<?php
namespace JVBase\registry;

if (!defined('ABSPATH')) {
	exit;
}

use Exception;

class CheckCustomTables
{
    protected $wpdb;
    protected string $base;
    protected string $prefix;
    protected string $prefixed;
	protected array $JVB_SITE;
	protected array $JVB_MEMBERSHIP;
	protected array $JVB_CONTENT;
	protected array $JVB_TAXONOMY;
	protected array $JVB_USER;

	protected string $userTable;
	protected string $userIDType;
	protected string $termIDType;
	protected string $postIDType;

    public function __construct()
    {
        global $wpdb;
        $this->wpdb = $wpdb;
        $this->prefix = $wpdb->prefix;
        $this->base = BASE;
        $this->prefixed = $wpdb->prefix.BASE;

		//Fetch the constants manually, in case they're not defined yet?
		$this->JVB_SITE = apply_filters('jvb_site', []);
		$this->JVB_MEMBERSHIP = apply_filters('jvb_membership', []);
		$this->JVB_CONTENT = apply_filters('jvb_content', []);
		$this->JVB_TAXONOMY = apply_filters('jvb_taxonomy', []);
		$this->JVB_USER = apply_filters('jvb_user', []);

		$this->userTable = (is_multisite()) ? $this->getMultisiteUsersTable() : $this->wpdb->users;

		$this->userIDType = $this->getColumnType($this->userTable, 'ID');
		$this->termIDType = $this->getColumnType($this->wpdb->terms, 'term_id');
		$this->postIDType = $this->getColumnType($this->wpdb->posts, 'ID');
	}

	protected function getMultisiteUsersTable():string
	{
		$siteUsersTable = $this->wpdb->prefix . 'users';
		$siteExists = $this->wpdb->get_var(
			$this->wpdb->prepare("SHOW TABLES LIKE %s", $siteUsersTable)
		);
		if ($siteExists) {
			return $siteUsersTable;
		}
		//fallback to main one
		return $this->wpdb->users;
	}

	/**
	 * Get the exact column type from a WordPress core table
	 * This ensures foreign keys match the parent table exactly
	 */
	protected function getColumnType(string $table, string $column): string
	{
		// First verify the table exists
		$tableExists = $this->wpdb->get_var(
			$this->wpdb->prepare("SHOW TABLES LIKE %s", $table)
		);

		if (!$tableExists) {
			error_log("JVB ERROR: Table {$table} does not exist!");
			return 'bigint(20)'; // Fallback
		}

		$result = $this->wpdb->get_row(
			$this->wpdb->prepare(
				"SELECT COLUMN_TYPE
            FROM INFORMATION_SCHEMA.COLUMNS
            WHERE TABLE_SCHEMA = DATABASE()
            AND TABLE_NAME = %s
            AND COLUMN_NAME = %s",
				$table,
				$column
			)
		);

		if ($result && isset($result->COLUMN_TYPE)) {
			error_log("JVB: Found Column Type for {$table}.{$column}: " . $result->COLUMN_TYPE);
			return $result->COLUMN_TYPE;
		}

		// Fallback to signed bigint if we can't determine
		error_log("JVB WARNING: Could not determine column type for {$table}.{$column}, using bigint(20) as fallback");
		return 'bigint(20)';
	}

	public function maybeCreateTables()
	{
		try {
			error_log('JVB: Starting table creation process');
			error_log('JVB: Memory usage at start: ' . memory_get_usage(true) / 1024 / 1024 . ' MB');

			$tables = $calendar = $integrations = $karma = $stats = $verifyEntry = $approval = $trackChanges = [];
			$invitable = [
				'roles' => [],
				'terms' => []
			];


			// Basic tables (these worked fine)
			try {
				if (jvbCheck('has_membership', $this->JVB_SITE) && jvbCheck('member_content', $this->JVB_MEMBERSHIP)) {
					$tables = array_merge($tables, $this->notificationTables());
//					if ($this->JVB_SITE['umami']) {
//						$tables = array_merge($tables, $this->umamiTracking());
//					}
				}
				if (array_key_exists('can_invite', $this->JVB_MEMBERSHIP) &&
					is_array($this->JVB_MEMBERSHIP['can_invite'])) {
					$invitable['roles'] = $this->JVB_MEMBERSHIP['can_invite'];
				}

//				if (jvbCheck('social', $this->JVB_SITE) || jvbCheck('gmb', $this->JVB_SITE) || jvbCheck('square', $this->JVB_SITE) || jvbCheck('helcim', $this->JVB_SITE)) {
//					$tables = array_merge($tables, $this->userIntegrationsTable());
//				}
			} catch (Exception $e) {
				error_log("JVB: Error in notification section: " . $e->getMessage());
			}

			try {
//				if (array_key_exists('dashboard', $this->JVB_SITE) && $this->JVB_SITE['dashboard']) {
					$tables = array_merge($tables, $this->queueTables(), $this->errorLogTables());
//				}
			} catch (Exception $e) {
				error_log("JVB: Error in dashboard section: " . $e->getMessage());
			}

			try {
				if (array_key_exists('referrals', $this->JVB_SITE) && $this->JVB_SITE['referrals']) {
					$tables = array_merge($tables, $this->referralTables());
				}
			} catch (Exception $e) {
				error_log("JVB: Error in referrals section: " . $e->getMessage());
			}
			// RE-ENABLE favourites tables
			try {
				if (array_key_exists('favourites', $this->JVB_SITE)) {
					error_log('JVB: Creating favourites tables...');
					$favouriteTables = $this->favouriteTables();
					error_log('JVB: Favourites tables created: ' . count($favouriteTables));
					$tables = array_merge($tables, $favouriteTables);
					error_log('JVB: Memory after favourites: ' . memory_get_usage(true) / 1024 / 1024 . ' MB');
				}
			} catch (Exception $e) {
				error_log("JVB: Error creating favourite tables: " . $e->getMessage());
			}

			// RE-ENABLE feed block tables
			try {
				if (jvbCheck('dashboard', $this->JVB_SITE) || jvbCheck('use_feed_block', $this->JVB_SITE)) {
					error_log('JVB: Creating taxonomy relationship tables...');
					$taxonomyTables = $this->taxonomyRelationshipsTables();
					error_log('JVB: Taxonomy tables created: ' . count($taxonomyTables));
					$tables = array_merge($tables, $taxonomyTables);
					error_log('JVB: Memory after taxonomy relationships: ' . memory_get_usage(true) / 1024 / 1024 . ' MB');
				}
			} catch (Exception $e) {
				error_log("JVB: Error creating taxonomy relationship tables: " . $e->getMessage());
			}

			// RE-ENABLE news relationships
			try {
				if (jvbCheck('has_membership', $this->JVB_SITE) && jvbCheck('forum', $this->JVB_MEMBERSHIP)) {
					error_log('JVB: Creating news relationship tables...');
					$newsTables = $this->newsRelationshipsTable();
					error_log('JVB: News tables created: ' . count($newsTables));
					$tables = array_merge($tables, $newsTables);
					error_log('JVB: Memory after news relationships: ' . memory_get_usage(true) / 1024 / 1024 . ' MB');
				}
			} catch (Exception $e) {
				error_log("JVB: Error creating news relationship tables: " . $e->getMessage());
			}

			$responseTable = false;

			// Process content, taxonomy, and user types
			foreach ($this->JVB_CONTENT as $type => $config) {
				if (array_key_exists('is_calendar', $config) && $config['is_calendar']) {
					$calendar[$type] = $config;
				}
			}

			foreach ($this->JVB_TAXONOMY as $type => $config) {
				// RE-ENABLE content type creation with error handling
				try {
					if (array_key_exists('is_content', $config) && $config['is_content']) {
						error_log("JVB: Creating content type table for: {$type}");
						error_log('JVB: Memory before content type ' . $type . ': ' . memory_get_usage(true) / 1024 / 1024 . ' MB');

						$this->checkIfContentType($type, $config);

						error_log('JVB: Memory after content type ' . $type . ': ' . memory_get_usage(true) / 1024 / 1024 . ' MB');
					}
				} catch (Exception $e) {
					error_log("JVB: Error creating content type for {$type}: " . $e->getMessage());
				}

				if (array_key_exists('track_changes', $config) && $config['track_changes']) {
					$trackChanges[$type] = $config;
				}
				if (array_key_exists('invitable', $config) && $config['invitable']) {
					$invitable['terms'][] = $type;
				}
				if (array_key_exists('verify_entry', $config) && $config['verify_entry']) {
					$verifyEntry[$type] = $config;
				}
				if (array_key_exists('approve_new', $config) && $config['approve_new']) {
					$approval['term'][] = $type;
				}
			}

			foreach ($this->JVB_USER as $type => $config) {
				if (array_key_exists('keep_stats', $config) && $config['keep_stats']) {
					$stats[$type] = $config;
				}
				if (array_key_exists('approve_new', $config) && $config['approve_new']) {
					$approval[$type] = $config;
				}
			}

			foreach (array_merge($this->JVB_CONTENT, $this->JVB_TAXONOMY, $this->JVB_USER) as $type => $config) {
				if (array_key_exists('responses', $config) && $config['responses'] === true) {
					$responseTable = true;
				}
				if (array_key_exists('karma', $config) && $config['karma']) {
					$karma[$type] = $config;
				}
			}

			// RE-ENABLE response tables
			try {
				if ($responseTable) {
					error_log('JVB: Creating response tables...');
					$responseTables = $this->responseTable();
					error_log('JVB: Response tables created: ' . count($responseTables));
					$tables = array_merge($tables, $responseTables);
					error_log('JVB: Memory after responses: ' . memory_get_usage(true) / 1024 / 1024 . ' MB');
				}
			} catch (Exception $e) {
				error_log("JVB: Error creating response tables: " . $e->getMessage());
			}

			// RE-ENABLE karma tables
			try {
				if (!empty($karma)) {
					error_log('JVB: Creating karma tables for: ' . implode(', ', array_keys($karma)));
					$karmaTables = $this->karmaTables($karma);
					error_log('JVB: Karma tables created: ' . count($karmaTables));
					$tables = array_merge($tables, $karmaTables);
					error_log('JVB: Memory after karma: ' . memory_get_usage(true) / 1024 / 1024 . ' MB');
				}
			} catch (Exception $e) {
				error_log("JVB: Error creating karma tables: " . $e->getMessage());
			}

			try {
				if (!empty($stats)) {
					error_log('JVB: Creating stats tables for: ' . implode(', ', array_keys($stats)));
					error_log('JVB: Memory before stats: ' . memory_get_usage(true) / 1024 / 1024 . ' MB');

					$statTables = $this->statTables($stats);
					error_log('JVB: Stats tables created: ' . count($statTables));
					$tables = array_merge($tables, $statTables);

					error_log('JVB: Memory after stats: ' . memory_get_usage(true) / 1024 / 1024 . ' MB');
				}
			} catch (Exception $e) {
				error_log("JVB: Error creating stats tables: " . $e->getMessage());
				error_log("JVB: Stats error trace: " . $e->getTraceAsString());
			}

			// RE-ENABLE calendar tables
			try {
				if (!empty($calendar)) {
					error_log('JVB: Creating calendar tables for: ' . implode(', ', array_keys($calendar)));
					$calendarTables = $this->calendarTables($calendar);
					error_log('JVB: Calendar tables created: ' . count($calendarTables));
					$tables = array_merge($tables, $calendarTables);
					error_log('JVB: Memory after calendar: ' . memory_get_usage(true) / 1024 / 1024 . ' MB');
				}
			} catch (Exception $e) {
				error_log("JVB: Error creating calendar tables: " . $e->getMessage());
			}

			// RE-ENABLE other table types
			try {
				if (!empty($invitable['roles']) || !empty($invitable['terms'])) {
					error_log('JVB: Creating invitation table...');
					$invitationTables = $this->invitationTables($invitable);
					error_log('JVB: Invitation table created: ' . count($invitationTables));
					$tables = array_merge($tables, $invitationTables);
				}
			} catch (Exception $e) {
				error_log("JVB: Error creating invitation table: " . $e->getMessage());
			}

			// Store config for later use
			update_option(BASE.'invitation_config', $invitable);

			try {
				if (!empty($approval)) {
					error_log('JVB: Creating approval tables...');
					$approvalTables = $this->approvalTables($approval);
					error_log('JVB: Approval tables created: ' . count($approvalTables));
					$tables = array_merge($tables, $approvalTables);
					error_log('JVB: Memory after approvals: ' . memory_get_usage(true) / 1024 / 1024 . ' MB');
				}
			} catch (Exception $e) {
				error_log("JVB: Error creating approval tables: " . $e->getMessage());
			}

			try {
				if (!empty($trackChanges)) {
					error_log('JVB: Creating track changes tables...');
					$trackTables = $this->trackChangesTables($trackChanges);
					error_log('JVB: Track changes tables created: ' . count($trackTables));
					$tables = array_merge($tables, $trackTables);
					error_log('JVB: Memory after track changes: ' . memory_get_usage(true) / 1024 / 1024 . ' MB');
				}
			} catch (Exception $e) {
				error_log("JVB: Error creating track changes tables: " . $e->getMessage());
			}

			try {
				if (!empty($verifyEntry)) {
					error_log('JVB: Creating entry request tables...');
					$entryTables = $this->requestEntryTables($verifyEntry);
					error_log('JVB: Entry request tables created: ' . count($entryTables));
					$tables = array_merge($tables, $entryTables);
					error_log('JVB: Memory after entry requests: ' . memory_get_usage(true) / 1024 / 1024 . ' MB');
				}
			} catch (Exception $e) {
				error_log("JVB: Error creating entry request tables: " . $e->getMessage());
			}

			error_log('JVB: Final table count: ' . count($tables));
			error_log('JVB: Memory before table creation: ' . memory_get_usage(true) / 1024 / 1024 . ' MB');

			if (!empty($tables)) {
				$this->createTables($tables);
			}

			update_option(BASE.'calendar_tables', $calendar);
			update_option(BASE.'karma_tables', $karma);
			update_option(BASE.'stats_tables', $stats);
			update_option(BASE.'invite_tables', $invitable);
			update_option(BASE.'verify_entry_tables', $verifyEntry);
			update_option(BASE.'approval_tables', $approval);
			update_option(BASE.'history_tables', $trackChanges);

			error_log('JVB: Memory at end: ' . memory_get_usage(true) / 1024 / 1024 . ' MB');
			error_log("JVB: Table creation process completed");

		} catch (Exception $e) {
			error_log("JVB: Critical error in table creation: " . $e->getMessage());
			error_log("JVB: Stack trace: " . $e->getTraceAsString());
			error_log('JVB: Memory at error: ' . memory_get_usage(true) / 1024 / 1024 . ' MB');
		}
	}

	public function createTables(array $tables)
	{
		require_once(ABSPATH . 'wp-admin/includes/upgrade.php');

		// Match collation from existing WP tables for FK compatibility
		$usersStatus = $this->wpdb->get_row("SHOW TABLE STATUS LIKE '{$this->wpdb->users}'");
		$parentCollation = $usersStatus->Collation ?? 'utf8mb4_general_ci';
		$charset_collate = "DEFAULT CHARACTER SET utf8mb4 COLLATE {$parentCollation}";

		error_log("JVB: Using charset_collate: " . $charset_collate);

		$errors = [];
		$created = [];

		foreach ($tables as $name => $schema) {
			$table_name = $this->prefix . BASE . $name;

			// Skip if exists
			if ($this->wpdb->get_var("SHOW TABLES LIKE '{$table_name}'")) {
				$created[] = $table_name . ' (exists)';
				continue;
			}

			$full_schema = "CREATE TABLE IF NOT EXISTS {$table_name} {$schema} {$charset_collate}";

			$this->wpdb->flush();

			// Use direct query - dbDelta mangles FK constraints
			$hasForeignKey = stripos($schema, 'FOREIGN KEY') !== false;

			if ($hasForeignKey) {
				$result = $this->wpdb->query($full_schema);
				$success = ($result !== false && !$this->wpdb->last_error);
			} else {
				dbDelta($full_schema . ';');
				$success = !$this->wpdb->last_error;
			}

			if (!$success) {
				$error_msg = "SQL Error creating table {$table_name}: " . $this->wpdb->last_error;
				error_log($error_msg);
				error_log("Failed SQL Query: " . $full_schema);
				$errors[] = $error_msg;
			} elseif ($this->wpdb->get_var("SHOW TABLES LIKE '{$table_name}'")) {
				$created[] = $table_name;
				error_log("Successfully created table: {$table_name}");
			}
		}

		// Log summary
		if (!empty($created)) {
			error_log("JVB Tables Created Successfully: " . implode(', ', $created));
		}

		if (!empty($errors)) {
			error_log("JVB Table Creation Errors (" . count($errors) . " total):");
			foreach ($errors as $error) {
				error_log("  - " . $error);
			}
			update_option(BASE . 'table_creation_errors', $errors);
		} else {
			delete_option(BASE . 'table_creation_errors');
		}
	}

    /******************************************************
     * Table Definitions
     *****************************************************/

    protected function queueTables():array
    {

        return [
		'_operation_queue' => "(
            `id` VARCHAR(64) NOT NULL,
            `type` varchar(50) NOT NULL,
            `user_id` {$this->userIDType} NOT NULL,

            `request_data` JSON NOT NULL CHECK (JSON_VALID(request_data)),

            `total_items` int(11) NOT NULL DEFAULT 1,
            `processed_items` int(11) DEFAULT 0,
            `failed_items` JSON,

            `priority` ENUM('high', 'normal', 'low') DEFAULT 'normal',
            `state` enum('pending', 'scheduled', 'processing', 'completed') DEFAULT 'pending',
            `outcome` enum('pending', 'success', 'partial', 'merged', 'failed', 'failed_permanent') DEFAULT 'pending',

			`retries` int(11) DEFAULT 0,
            `last_error_hash` CHAR(32) DEFAULT NULL,
            `error_message` text,

			`scheduled_at` datetime DEFAULT NULL,
            `started_at` datetime DEFAULT CURRENT_TIMESTAMP,
            `completed_at` datetime DEFAULT NULL,

            `metadata` JSON DEFAULT NULL,
            `result` JSON,
            `dependencies` JSON,
            `merged_into` VARCHAR(64) DEFAULT NULL,

            `user_dismissed` tinyint(1) DEFAULT 0,
            `created_at` DATETIME DEFAULT CURRENT_TIMESTAMP,
    		`updated_at` DATETIME DEFAULT CURRENT_TIMESTAMP,
			PRIMARY KEY (`id`),
		   	KEY `idx_run_queue` (state, priority, scheduled_at),
			KEY `idx_user_ops` (user_id, state),
			KEY `idx_user_type_pending` (user_id, type, state),
			KEY `idx_completed_at` (completed_at),
			KEY `idx_processing_stuck` (`state`, `started_at`)
            )",

		'stats__operation_queue' => "(
			`id` bigint unsigned AUTO_INCREMENT,
			`date` date NOT NULL,
			`type` varchar(50) NOT NULL,

			`total_operations` int NOT NULL DEFAULT 0,
			`successful_operations` int NOT NULL DEFAULT 0,
			`partial_operations` int NOT NULL DEFAULT 0,
			`failed_operations` int NOT NULL DEFAULT 0,
			`failed_permanent_operations` int NOT NULL DEFAULT 0,

			`total_items_processed` int NOT NULL DEFAULT 0,

			`average_duration` float DEFAULT NULL,
			`max_duration` int DEFAULT NULL,

			`peak_queue_size` int NOT NULL DEFAULT 0,

			`peak_memory_usage` int DEFAULT NULL,
			`peak_cpu_usage` float DEFAULT NULL,

			`created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
			PRIMARY KEY (`id`),
			UNIQUE KEY (date, type),
			KEY `date_idx` (date),
			KEY `type_idx` (type)
        )"
        ];
    }

	protected function errorLogTables():array
	{
		return [
			'error_log'=> "(
				`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
				`error_type` varchar(50) NOT NULL,
				`component` varchar(100) NOT NULL,
				`method` varchar(100) DEFAULT NULL,
				`page_url` varchar(255) DEFAULT NULL,
				`message` text NOT NULL,
				`context` JSON,
				`severity` varchar(20) NOT NULL,
				`user_id` {$this->userIDType} DEFAULT NULL,
				`user_was_logged_in` tinyint(1) NOT NULL,
				`source` enum('frontend','backend') NOT NULL,
				`created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
				PRIMARY KEY (`id`),
				KEY `created_at` (`created_at`),
				KEY `component_severity_date` (`component`, `severity`, `created_at`),
				KEY `error_type_date` (`error_type`, `created_at`),
				KEY `severity_date` (`severity`, `created_at`)
			)"
		];
	}

	protected function userIntegrationsTable():array
	{

		return [
			'user_integration_logs'=> "(
				id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
				`user_id` {$this->userIDType} NOT NULL,
				service varchar(50) NOT NULL,
				action varchar(50) NOT NULL,
				status enum('success','error','warning') DEFAULT 'success',
				message text DEFAULT NULL,
				metadata json DEFAULT NULL,
				created_at datetime DEFAULT CURRENT_TIMESTAMP,
				PRIMARY KEY (id),
				KEY user_service (user_id, service),
				KEY created_at (created_at),
				KEY status (status)
			)"
		];
	}

    protected function notificationTables():array
    {

        return [
            // Main notifications table
            'notifications' => "(
            `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
            `owner_id` {$this->userIDType} NOT NULL,
            `action_user_id` {$this->userIDType} NOT NULL,
            `target_id` bigint(20) DEFAULT NULL,
            `target_type` varchar(30) DEFAULT NULL,
            `type` enum('new_favourite','new_artist','artist_approved','artist_invitation',
                  'new_term','term_approved','term_rejected','list_shared',
                  'system_message','shop_invitation') NOT NULL,
            `status` enum('unread','read','actioned','dismissed') NOT NULL DEFAULT 'unread',
            `priority` enum('low','normal','high') NOT NULL DEFAULT 'normal',
            `message` varchar(255) DEFAULT NULL,
            `context` JSON DEFAULT NULL,
            `requires_action` tinyint(1) NOT NULL DEFAULT 0,
            `action_taken` tinyint(1) NOT NULL DEFAULT 0,
            `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
            `read_at` datetime DEFAULT NULL,
            `actioned_at` datetime DEFAULT NULL,
            `emailed_at` datetime DEFAULT NULL,
            `updated_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
            PRIMARY KEY (`id`),
            KEY `user_status` (`owner_id`, `status`),
            KEY `target_lookup` (`target_id`, `target_type`),
            KEY `unread_notifications` (`owner_id`, `status`, `created_at`),
            KEY `requires_action` (`owner_id`, `requires_action`, `action_taken`),
            KEY `acting_user_lookup` (`owner_id`, `action_user_id`, `type`, `status`, `created_at`),
            CONSTRAINT `{$this->base}notify_owner` FOREIGN KEY (`owner_id`)
            REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE,
            CONSTRAINT `{$this->base}action_id` FOREIGN KEY (`action_user_id`)
            REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE
        )",


            'notifications_content' => "(
            `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
            `user_id` {$this->userIDType} NOT NULL,
            `date` date NOT NULL,
            `frequency` enum('daily','weekly','monthly') NOT NULL,
            `tattoo_count` int unsigned NOT NULL DEFAULT 0,
            `artwork_count` int unsigned NOT NULL DEFAULT 0,
            `piercing_count` int unsigned NOT NULL DEFAULT 0,
            `event_count` int unsigned NOT NULL DEFAULT 0,
            `news_count` int unsigned NOT NULL DEFAULT 0,
            `offer_count` int unsigned NOT NULL DEFAULT 0,
            `total_items` int unsigned NOT NULL DEFAULT 0,
            `has_profile_update` tinyint(1) NOT NULL DEFAULT 0,
            `new_items` JSON DEFAULT NULL,
            `updated_items` JSON DEFAULT NULL,
            `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
            `updated_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
            PRIMARY KEY (`id`),
            UNIQUE KEY `artist_date_frequency` (`user_id`, `date`, `frequency`),
            KEY `recent_content` (`date`, `frequency`),
            KEY `artist_frequency` (`user_id`, `frequency`),
            CONSTRAINT `{$this->base}content_artist` FOREIGN KEY (`user_id`)
            REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE
        )",

            'notifications_user_seen' => "(
            `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
            `user_id` {$this->userIDType} NOT NULL,
            `content_notification_id` bigint(20) unsigned NOT NULL,
            `status` enum('unread','read','dismissed') NOT NULL DEFAULT 'unread',
            `read_at` datetime DEFAULT NULL,
            `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
            PRIMARY KEY (`id`),
            UNIQUE KEY `user_content_notif` (`user_id`, `content_notification_id`),
            KEY `user_status` (`user_id`, `status`),
            CONSTRAINT `{$this->base}user_content_user` FOREIGN KEY (`user_id`)
            REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE,
            CONSTRAINT `{$this->base}user_content_notification` FOREIGN KEY (`content_notification_id`)
            REFERENCES `{$this->prefixed}notifications_content` (`id`) ON DELETE CASCADE
        )",

            // User notification preferences
            'notification_preferences' => "(
            `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
            `user_id` {$this->userIDType} NOT NULL,
            `item_id` bigint(20) NOT NULL,
            `notification_type` varchar(50) NOT NULL,
            `frequency` enum('never','daily','weekly','monthly') DEFAULT 'never',
            `last_sent` datetime DEFAULT NULL,
            `created_at` datetime DEFAULT CURRENT_TIMESTAMP,
            `updated_at` datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
            PRIMARY KEY (`id`),
            UNIQUE KEY `user_type` (`user_id`, `item_id`),
            KEY `user_frequency` (`user_id`, `frequency`),
            KEY `frequency_lookup` (`frequency`, `last_sent`),
            CONSTRAINT `{$this->base}notification_pref_user` FOREIGN KEY (`user_id`)
                REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE
        )",

            // Notification digest scheduling and tracking
            'notification_digests' => "(
            `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
            `user_id` {$this->userIDType} NOT NULL,
            `frequency` enum('daily','weekly','monthly') NOT NULL,
            `scheduled_at` datetime NOT NULL,
            `sent_at` datetime DEFAULT NULL,
            `status` enum('pending','processing','sent','failed') DEFAULT 'pending',
            `notification_count` int unsigned DEFAULT 0,
            `created_at` datetime DEFAULT CURRENT_TIMESTAMP,
            PRIMARY KEY (`id`),
            KEY `scheduled_digests` (`frequency`, `scheduled_at`, `status`),
            KEY `user_digests` (`user_id`, `frequency`),
            CONSTRAINT `{$this->base}digest_user` FOREIGN KEY (`user_id`)
                REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE
        )",

            // Analytics on notification interactions
            'stats__notifications' => "(
            `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
            `notification_id` bigint(20) unsigned NOT NULL,
            `user_id` {$this->userIDType} NOT NULL,
            `action` varchar(30) NOT NULL,
            `action_source` enum('web','email','app') DEFAULT 'web',
            `action_details` JSON DEFAULT NULL,
            `created_at` datetime DEFAULT CURRENT_TIMESTAMP,
            PRIMARY KEY (`id`),
            KEY `notification_lookup` (`notification_id`),
            KEY `user_actions` (`user_id`, `action`),
            KEY `action_analysis` (`action`, `action_source`),
            CONSTRAINT `{$this->base}metrics_user` FOREIGN KEY (`user_id`)
                REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE,
            CONSTRAINT `{$this->base}metrics_notification` FOREIGN KEY (`notification_id`)
                REFERENCES `{$this->prefixed}notifications` (`id`) ON DELETE CASCADE
        )"
        ];
    }

    protected function approvalTables($types):array
    {
        $tables = [];
        $save = [];

        foreach ($types as $type => $config) {
            $save[$type] = ($type === 'term') ? $config : 'user';
            $tables['approval_'.$type.'_requests'] = "(
                `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
                `user_id` {$this->userIDType} NOT NULL,
                `status` enum('pending','approved','rejected','appealed','expired') DEFAULT 'pending',
                `required_approvals` int unsigned DEFAULT 3,
                `current_approvals` int unsigned DEFAULT 0,
                `current_rejections` int unsigned DEFAULT 0,
                `expires_at` datetime DEFAULT NULL,
                `created_at` datetime DEFAULT CURRENT_TIMESTAMP,
                `updated_at` datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
                `approved_by` json DEFAULT NULL,
                `rejected_by` json DEFAULT NULL,
                `created_item` json DEFAULT NULL,
                PRIMARY KEY (`id`),
                KEY `status` (`status`),
                KEY `expiring_requests` (`status`, `expires_at`),
                CONSTRAINT `{$this->base}{$type}_approval_requester` FOREIGN KEY (`user_id`)
                    REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE
            )";
            $tables['approval_'.$type.'_votes'] = "(
                `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
                `request_id` bigint(20) unsigned NOT NULL,
                `user_id` {$this->userIDType} NOT NULL,
                `vote` enum('approve','reject','dismissed') NOT NULL,
                `notes` text DEFAULT NULL,
                `created_at` datetime DEFAULT CURRENT_TIMESTAMP,
                PRIMARY KEY (`id`),
                UNIQUE KEY `unique_vote` (`request_id`, `user_id`),
                KEY `user_votes` (`user_id`),
                CONSTRAINT `{$this->base}{$type}_user_approval_request` FOREIGN KEY (`request_id`)
                    REFERENCES `{$this->prefixed}approval_{$type}_requests` (`id`) ON DELETE CASCADE,
                CONSTRAINT `{$this->base}{$type}_user_approval_voter` FOREIGN KEY (`user_id`)
                    REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE
            )";
        }
        if (!empty($save)) {
            update_option(BASE.'approvals_types', $save);
        }
        return $tables;
    }


	protected function taxonomyRelationshipsTables():array
	{
		$tables = [
			'taxonomy_relationships' => "(
		`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
		`term_id` {$this->termIDType} NOT NULL,
		`related_term_id` {$this->termIDType} NOT NULL,
		`taxonomy` varchar(32) NOT NULL,
		`related_taxonomy` varchar(32) NOT NULL,
		`post_count` int(11) NOT NULL DEFAULT 0,
		`is_direct` tinyint(1) NOT NULL DEFAULT 1,
		`is_hierarchical` tinyint(1) NOT NULL DEFAULT 0,
		`last_updated` timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
		PRIMARY KEY (`id`),
		KEY `term_id` (`term_id`),
		KEY `related_term_id` (`related_term_id`),
		KEY `taxonomy` (`taxonomy`),
		KEY `related_taxonomy` (`related_taxonomy`),
		UNIQUE KEY `term_relation` (`term_id`, `related_term_id`, `taxonomy`, `related_taxonomy`),
		CONSTRAINT `{$this->base}tax_rel_term_id` FOREIGN KEY (`term_id`)
			REFERENCES `{$this->wpdb->terms}` (`term_id`) ON DELETE CASCADE,
		CONSTRAINT `{$this->base}tax_rel_related_id` FOREIGN KEY (`related_term_id`)
			REFERENCES `{$this->wpdb->terms}` (`term_id`) ON DELETE CASCADE
	)"
		];

		if ((array_key_exists('dashboard', $this->JVB_SITE) && $this->JVB_SITE['dashboard'] === true) || array_key_exists('use_feed_block', $this->JVB_SITE) && $this->JVB_SITE['use_feed_block']) {
			$tables['user_term_index'] = "(
		`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
		`user_id` {$this->userIDType} NOT NULL,
		`term_id` {$this->termIDType} NOT NULL,
		`taxonomy` varchar(32) NOT NULL,
		`post_count` int(11) NOT NULL DEFAULT 1,
		`is_parent` tinyint(1) NOT NULL DEFAULT 0,
		`last_used` timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
		PRIMARY KEY (`id`),
		UNIQUE KEY `user_term` (`user_id`, `term_id`, `taxonomy`),
		KEY `user_taxonomy` (`user_id`, `taxonomy`),
		KEY `taxonomy` (`taxonomy`),
		CONSTRAINT `{$this->base}user_term_user_fk` FOREIGN KEY (`user_id`)
			REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE,
		CONSTRAINT `{$this->base}user_term_term_fk` FOREIGN KEY (`term_id`)
			REFERENCES `{$this->wpdb->terms}` (`term_id`) ON DELETE CASCADE
	)";
		}

		return $tables;
	}

    protected function favouriteTables():array
    {

        return [
            'favourites'    => "(
            `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
            `user_id` {$this->userIDType} NOT NULL,
            `type` varchar(50) NOT NULL,
            `target_id` bigint(20) NOT NULL,
            `notes` text DEFAULT NULL,
            `date_added` datetime DEFAULT CURRENT_TIMESTAMP,
            PRIMARY KEY (`id`),
            UNIQUE KEY `unique_favourite` (`user_id`, `type`, `target_id`),
            KEY `user_type` (`user_id`, `type`),
            KEY `target_type` (`target_id`, `type`),
            CONSTRAINT `{$this->base}favourites_user` FOREIGN KEY (`user_id`)
                REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE
        )",
            'favourites_lists'  => "(
            `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
            `user_id` {$this->userIDType} NOT NULL,
            `name` varchar(255) NOT NULL,
            `description` text,
            `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
            `updated_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
            PRIMARY KEY (`id`),
            KEY `user_lists` (`user_id`),
            CONSTRAINT `{$this->base}list_user` FOREIGN KEY (`user_id`)
                REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE
        )",
            'favourites_list_items' => "(
            `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
            `list_id` bigint(20) unsigned NOT NULL,
            `item_type` varchar(50) NOT NULL,
            `item_id` bigint(20) NOT NULL,
            `favourite_id` bigint(20) unsigned DEFAULT NULL,
            `added_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
            PRIMARY KEY (`id`),
            UNIQUE KEY `unique_list_item` (`list_id`, `item_type`, `item_id`),
            KEY `list_items` (`list_id`),
            KEY `favourite_id` (`favourite_id`),
            CONSTRAINT `{$this->base}list_items` FOREIGN KEY (`list_id`)
                REFERENCES 	`{$this->prefixed}favourites_lists` (`id`) ON DELETE CASCADE,
            CONSTRAINT `{$this->base}list_favourite` FOREIGN KEY (`favourite_id`)
                REFERENCES `{$this->prefixed}favourites` (`id`) ON DELETE SET NULL
        )",
            'favourites_list_shares' => "(
            `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
            `list_id` bigint(20) unsigned NOT NULL,
            `user_id` {$this->userIDType} NOT NULL,
            `email` varchar(255) NOT NULL,
            `permission_type` enum('view', 'edit') NOT NULL DEFAULT 'view',
            `status` enum('pending', 'accepted', 'rejected', 'revoked') NOT NULL DEFAULT 'pending',
            `invitation_token` varchar(64) NULL,
            `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
            `updated_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
            PRIMARY KEY (`id`),
            UNIQUE KEY `unique_share_user` (`list_id`, `user_id`, `status`),
            UNIQUE KEY `unique_share_email` (`list_id`, `email`, `status`),
            KEY `list_shares` (`list_id`),
            KEY `status_index` (`status`),
            CONSTRAINT `{$this->base}share_list` FOREIGN KEY (`list_id`)
                REFERENCES `{$this->prefixed}favourites_lists` (`id`) ON DELETE CASCADE,
            CONSTRAINT `{$this->base}share_user` FOREIGN KEY (`user_id`)
                REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE
        )",
            'favourites_list_stats'    => "(
            `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
            `item_type` varchar(50) NOT NULL,
            `item_id` bigint(20) NOT NULL,
            `list_count` int NOT NULL DEFAULT 0,
            `last_added` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
            PRIMARY KEY (`id`),
            UNIQUE KEY `unique_item_stat` (`item_type`, `item_id`),
            KEY `item_stats` (`item_type`, `item_id`)
        )",
        ];
    }

    protected function newsRelationshipsTable():array
    {
        return [
            'news_relationships'    => "(
                `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
                `shop_id` {$this->termIDType} NOT NULL,
                `user_id` {$this->userIDType} NOT NULL,
                `artist_id` {$this->postIDType} NOT NULL,
                `news_count` int(10) unsigned NOT NULL DEFAULT 0,
                `last_post_date` datetime DEFAULT NULL,
                `last_updated` timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
                PRIMARY KEY (`id`),
                UNIQUE KEY `shop_user` (`shop_id`, `user_id`),
                KEY `shop_id` (`shop_id`),
                KEY `user_id` (`user_id`),
                KEY `artist_id` (`artist_id`),
            CONSTRAINT `{$this->base}nr_shop_news_shop` FOREIGN KEY (`shop_id`)
                REFERENCES `{$this->wpdb->terms}` (`term_id`) ON DELETE CASCADE,
            CONSTRAINT `{$this->base}nr_shop_news_user` FOREIGN KEY (`user_id`)
                REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE,
            CONSTRAINT `{$this->base}nr_shop_news_artist` FOREIGN KEY (`artist_id`)
                REFERENCES `{$this->wpdb->posts}` (`ID`) ON DELETE SET NULL
        )"
        ];
    }

    protected function responseTable():array
    {
        return [
            'responses' => "(
            `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
            `item_id` {$this->postIDType} NOT NULL,
            `content` text NOT NULL,
            `user_id` {$this->userIDType} NOT NULL,
            `parent_id` bigint(20) unsigned DEFAULT NULL,
            `response` text NOT NULL,
            `status` enum('published','hidden','flagged','deleted') DEFAULT 'published',
            `is_user_deleted` tinyint(1) DEFAULT 0,
            `upvotes` int NOT NULL DEFAULT 0,
            `downvotes` int NOT NULL DEFAULT 0,
            `karma` int NOT NULL DEFAULT 0,
            `created_at` datetime DEFAULT CURRENT_TIMESTAMP,
            `updated_at` datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
            PRIMARY KEY (`id`),
            KEY `item_lookup` (`item_id`, `status`),
            KEY `user_comments` (`user_id`),
            KEY `parent_child` (`parent_id`),
            KEY `karma_order` (`karma`),
            CONSTRAINT `{$this->base}re_responses_news` FOREIGN KEY (`item_id`)
                REFERENCES `{$this->wpdb->posts}` (`ID`) ON DELETE CASCADE,
            CONSTRAINT `{$this->base}re_responses_parent` FOREIGN KEY (`parent_id`)
                REFERENCES `{$this->prefixed}responses` (`id`) ON DELETE SET NULL
        )",
            'karma_response' => "(
                `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
                `item_id` bigint(20) NOT NULL,
                `user_id` {$this->userIDType} NOT NULL,
                `vote` enum('up','down') NOT NULL,
                `date` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
                PRIMARY KEY (`id`),
                UNIQUE KEY `user_post` (`user_id`,`item_id`),
                KEY `item_id` (`item_id`),
                KEY `user_id` (`user_id`),
            CONSTRAINT `{$this->base}_response_item_id` FOREIGN KEY (`item_id`)
                REFERENCES `{$this->prefixed}responses` (`id`) ON DELETE CASCADE,
            CONSTRAINT `{$this->base}_response_user_id` FOREIGN KEY (`user_id`)
                REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE
                )"
        ];
    }

    protected function karmaTables(array $types):array
    {
        $tables = [];
        foreach ($types as $type => $config) {
            $t = false;
            if (array_key_exists($type, $this->JVB_CONTENT)) {
                $t = 'posts';
            } elseif (array_key_exists($type, $this->JVB_TAXONOMY)) {
                $t = 'terms';
            } elseif (array_key_exists($type, $this->JVB_USER)) {
                $t = 'users';
            }

            if (!$t) {
                continue;
            }

            switch ($t) {
                case 'posts':
					$referenceType = $this->postIDType;
                    $reference_table = $this->wpdb->posts;
                    $reference_column = 'ID';
                    break;
                case 'terms':
					$referenceType = $this->termIDType;
                    $reference_table = $this->wpdb->terms;
                    $reference_column = 'term_id';
                    break;
                case 'users':
					$referenceType = $this->userIDType;
                    $reference_table = $this->userTable;
                    $reference_column = 'ID';
                    break;
            }

            $tables['karma_'.$type] = "(
                `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
                `item_id` {$referenceType} NOT NULL,
                `user_id` {$this->userIDType} NOT NULL,
                `vote` enum('up','down') NOT NULL,
                `date` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
                PRIMARY KEY (`id`),
                UNIQUE KEY `user_post` (`user_id`,`item_id`),
                KEY `item_id` (`item_id`),
                KEY `user_id` (`user_id`),
                CONSTRAINT `{$this->base}kt_{$type}_item_id` FOREIGN KEY (`item_id`)
                    REFERENCES `{$reference_table}` (`{$reference_column}`) ON DELETE CASCADE,
                CONSTRAINT `{$this->base}kt_{$type}_user_id` FOREIGN KEY (`user_id`)
                    REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE
            )";

        }

        return $tables;
    }

    protected function calendarTables(array $types):array
    {
        $tables = [];
        foreach ($types as $type => $config) {
            $tables['calendar_'.$type] = "(
                `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
                `post_id` {$this->postIDType} NOT NULL,
                `event_type` {$this->termIDType} unsigned,

                -- Basic event details
                `title` varchar(255) NOT NULL,
                `shop_id` {$this->termIDType} NOT NULL
                `user_id` {$this->userIDType} NOT NULL,

                -- Location handling
                `location_type` enum('shop', 'custom', 'online') DEFAULT 'shop',
                `address` text,
                `lat` decimal(10,8),
                `lng` decimal(11,8),

                -- Date and time handling
                `start_date` date NOT NULL,
                `end_date` date NOT NULL,
                `time_start` time,
                `time_end` time,
                `timezone` varchar(50) DEFAULT 'America/Edmonton',

                -- Recurrence
                `is_recurring` tinyint(1) DEFAULT 0,
                `recurrence_type` enum('daily','weekly','monthly','custom') DEFAULT NULL,
                `recurrence_interval` int unsigned DEFAULT NULL, -- every X days/weeks/months
                `recurrence_days` set('monday','tuesday','wednesday','thursday','friday','saturday','sunday'),
                `recurrence_ends` date,
                `recurrence_count` int unsigned, -- number of occurrences
                `parent_event_id` bigint(20) unsigned, -- for recurring event instances

                -- Event specifics
                `is_free` tinyint(1) DEFAULT 0,
                `cost` decimal(10,2),
                `currency` varchar(3) DEFAULT 'CAD',
                `rsvp_required` tinyint(1) DEFAULT 0,
                `rsvp_limit` int unsigned,
                `rsvp_deadline` datetime,
                `ticket_url` varchar(255),

                -- Event settings
                `all_day` tinyint(1) DEFAULT 0,
                `drop_in_allowed` tinyint(1) DEFAULT 0,
                `booking_url` varchar(255),
                `external_url` varchar(255),

                -- Tracking
                `view_count` int unsigned DEFAULT 0,
                `interest_count` int unsigned DEFAULT 0,
                `going_count` int unsigned DEFAULT 0,
                `created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
                `updated_at` timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,

                PRIMARY KEY (`id`),
                KEY `post_lookup` (`post_id`),
                KEY `date_range` (`start_date`, `end_date`),
                KEY `shop_events` (`shop_id`, `start_date`),
                KEY `artist_events` (`user_id`, `start_date`),
                KEY `event_cost` (`is_free`, `cost`),
                KEY `recurring_events` (`parent_event_id`),
                KEY `location` (`lat`, `lng`),
                KEY `rsvp_events` (`rsvp_required`, `rsvp_deadline`),

                CONSTRAINT `{$this->base}cal_{$type}_type` FOREIGN KEY (`event_type`)
                    REFERENCES `{$this->wpdb->terms}` (`term_id`) ON DELETE CASCADE,
                CONSTRAINT `{$this->base}cal_{$type}_post` FOREIGN KEY (`post_id`)
                    REFERENCES `{$this->wpdb->posts}` (`ID`) ON DELETE CASCADE,
                CONSTRAINT `{$this->base}cal_{$type}_shop` FOREIGN KEY (`shop_id`)
                    REFERENCES `{$this->wpdb->terms}` (`term_id`) ON DELETE SET NULL,
                CONSTRAINT `{$this->base}cal_{$type}_user` FOREIGN KEY (`user_id`)
                    REFERENCES `{$this->userTable}` (`ID`) ON DELETE SET NULL
            )";

            $tables['calendar_'.$type.'_participants'] = "(
                `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
                `event_id` bigint(20) unsigned NOT NULL,
                `user_id` {$this->userIDType} NOT NULL,
                `status` enum('interested','going') NOT NULL,
                `created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
                PRIMARY KEY (`id`),
                UNIQUE KEY `event_user` (`event_id`, `user_id`),
                CONSTRAINT `{$this->base}cal_{$type}_participant_event` FOREIGN KEY (`event_id`)
                    REFERENCES `{$this->prefixed}calendar_{$type}` (`id`) ON DELETE CASCADE,
                CONSTRAINT `{$this->base}cal_{$type}_participant_user` FOREIGN KEY (`user_id`)
                    REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE
            )";

            $tables['calendar_'.$type.'_recurrence_exceptions'] = "(
                `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
                `event_id` bigint(20) unsigned NOT NULL,
                `exception_date` date NOT NULL,
                `is_cancelled` tinyint(1) DEFAULT 0,
                `alternate_start_time` time,
                `alternate_end_time` time,
                `notes` text,
                PRIMARY KEY (`id`),
                UNIQUE KEY `event_date` (`event_id`, `exception_date`)
            )";
        }

        return $tables;
    }

    protected function umamiTracking():array
    {

        return [
            'umami_events' => "(
            `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
            `date` date NOT NULL,
            `timestamp` datetime NOT NULL,
            `event` varchar(50) NOT NULL,
            `event_type` varchar(50) NOT NULL,
            `user_id` {$this->userIDType} NOT NULL,
            `content_id` bigint(20) DEFAULT NULL,
            `content_type` varchar(50) DEFAULT NULL,
            `source_id` bigint(20) DEFAULT NULL,
            `source_type` varchar(50) DEFAULT NULL,
            `owner_id` {$this->userIDType} NOT NULL,
            `owner_type` varchar(50) DEFAULT NULL,
            `referrer` varchar(100) DEFAULT NULL,
            `metadata` JSON DEFAULT NULL,

            PRIMARY KEY (`id`),
            KEY `date_idx` (`date`),
            KEY `event_idx` (`event`, `event_type`),
            KEY `content_idx` (`content_type`, `content_id`),
            KEY `user_idx` (`user_id`),
            KEY `owner_idx` (`owner_id`),
            CONSTRAINT `{$this->base}umami_user_id_link` FOREIGN KEY (`user_id`)
                REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE,
            CONSTRAINT `{$this->base}umami_owner_id_link` FOREIGN KEY (`owner_id`)
                REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE
        )",
            'stats_performance' => "(
            `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
            `date` date NOT NULL,
            `user_id` {$this->userIDType} NOT NULL,
            `profile_view_count` bigint(20) unsigned DEFAULT 0,
            `feed_view_count` bigint(20) unsigned DEFAULT 0,
            `top_content` json DEFAULT null,
            `favourite_count` bigint(20) unsigned DEFAULT 0,
            `top_favourites` json DEFAULT null,
            `upvote_count` bigint(20) unsigned DEFAULT 0,
            `downvote_count` bigint(20) unsigned DEFAULT 0,
            `karma` bigint(20) unsigned DEFAULT 0,
            `voted_content` json DEFAULT null,
            PRIMARY KEY (`id`),
            KEY `user_date_idx` (`user_id`, `date`),
            CONSTRAINT `{$this->base}performance_user_id_link` FOREIGN KEY (`user_id`)
                REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE
        )"
        ];
    }

	protected function invitationTables(array $config): array
	{
		if (empty($config['roles']) && empty($config['terms'])) {
			return [];
		}

		$definitions = "(
        `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
        `name` varchar(255) NOT NULL,
        `email` varchar(255) NOT NULL,
        `invitation_token` varchar(255) NOT NULL,
        `invited_role` varchar(50) NOT NULL COMMENT 'Role being invited to',
        `status` enum('pending','accepted','rejected','expired','revoked') DEFAULT 'pending',
        `inviters` JSON NOT NULL COMMENT 'Array of {user_id, invited_at}',
        `new_user_id` {$this->userIDType} DEFAULT NULL,
        `expires_at` datetime NOT NULL,
        `accepted_at` datetime DEFAULT NULL,
        `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
        `updated_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
        ";

		// Add term columns for all invitable taxonomies
		foreach ($config['terms'] ?? [] as $taxonomy) {
			$definitions .= "`to_{$taxonomy}` {$this->termIDType} DEFAULT NULL,";
		}

		$definitions .= "PRIMARY KEY (`id`),
        UNIQUE KEY `unique_email_role` (`email`, `invited_role`),
        KEY `token_lookup` (`invitation_token`),
        KEY `status_expiry` (`status`, `expires_at`),
        KEY `role_status` (`invited_role`, `status`),
        KEY `email_status` (`email`, `status`),
        ";

		// Add foreign key constraints for terms
		$constraints = [];
		foreach ($config['terms'] ?? [] as $taxonomy) {
			$constraints[] = "CONSTRAINT `{$this->base}invitations_{$taxonomy}_fk`
            FOREIGN KEY (`to_{$taxonomy}`)
            REFERENCES `{$this->wpdb->terms}` (`term_id`)
            ON DELETE SET NULL";
		}

		// Add user foreign key
		$constraints[] = "CONSTRAINT `{$this->base}invitations_user_fk`
        FOREIGN KEY (`new_user_id`)
        REFERENCES `{$this->userTable}` (`ID`)
        ON DELETE SET NULL";

		$definitions .= implode(',', $constraints);
		$definitions .= ")";

		return ['invitations' => $definitions];
	}

    protected function trackChangesTables($types)
    {
        $tables = [];
        foreach ($types as $type => $config) {
            $contents = $config['for_content'];
            foreach ($contents as $content) {
                $tables['history_'.$content.'_'.$type] = "(
                    `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
                    `user_id` {$this->userIDType} NOT NULL,
                    `content_id` bigint(20) NOT NULL,
                    `term_id` {$this->termIDType} NOT NULL,
                    `role` varchar(50) DEFAULT 'artist',
                    `is_primary` tinyint(1) DEFAULT 0,
                    `start_date` date DEFAULT NULL,
                    `end_date` date DEFAULT NULL,
                    `created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
                    PRIMARY KEY (`id`),
                    UNIQUE KEY `content_term` (`content_id`, `term_id`),
                    KEY content_role (`term_id`, `role`),
                    CONSTRAINT `{$this->base}{$content}_{$type}_history_user` FOREIGN KEY (`user_id`)
                        REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE,
                    CONSTRAINT `{$this->base}{$content}_{$type}_history_term` FOREIGN KEY (`term_id`)
                        REFERENCES `{$this->wpdb->terms}` (`term_id`) ON DELETE CASCADE
                )";
            }
        }

        return $tables;
    }
    protected function requestEntryTables($types)
    {
        $tables = [];
        foreach ($types as $type => $config) {
            $contents = $config['for_content'];
            foreach ($contents as $content) {
                $tables[$content.'_'.$type.'_requests'] = "(
                    `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
                    `user_id` {$this->userIDType} NOT NULL,
                    `content_id` bigint(20) NOT NULL,
                    `term_id` {$this->termIDType} NOT NULL,
                    `managers` json DEFAULT NULL,
                    `status` ENUM('requested', 'rejected', 'accepted') DEFAULT 'requested',
                    `dismissed` smallint(1) unsigned DEFAULT NULL,
                    `created_date` timestamp DEFAULT CURRENT_TIMESTAMP,
                    `updated_date` timestamp DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP,
                    `notes` text DEFAULT NULL,
                    PRIMARY KEY (`id`),
                    UNIQUE KEY `{$this->base}content_term` (`content_id`, `term_id`),
                    CONSTRAINT `{$this->base}{$content}_{$type}_request_user` FOREIGN KEY (`user_id`)
                        REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE,
                    CONSTRAINT `{$this->base}{$content}_{$type}_request_term` FOREIGN KEY (`term_id`)
                        REFERENCES `{$this->wpdb->terms}` (`term_id`) ON DELETE CASCADE
                )";
            }
        }

        return $tables;
    }


	/**
	 * Create referral tracking tables
	 *
	 * Call this from the main table creation method in CheckCustomTables.php:
	 * $tables = array_merge($tables, $this->referralTables());
	 */
	protected function referralTables(): array
	{
		// Create tables in dependency order
		// First: referrals (depends only on wp_users)
		$mainTable['referrals'] = "(
	`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
	`referrer_id` {$this->userIDType} NOT NULL,
	`referee_id` {$this->userIDType} NOT NULL,
	`referee_name` varchar(255) NOT NULL,
	`referee_email` varchar(255) NOT NULL,
	`referee_phone` varchar(50) DEFAULT NULL,
	`referral_code` varchar(50) NOT NULL,
	`status` enum('pending', 'consulted', 'treated', 'cancelled') DEFAULT 'pending',
	`referred_at` datetime NOT NULL,
	`consulted_at` datetime DEFAULT NULL,
	`treated_at` datetime DEFAULT NULL,
	`treatment_count` int DEFAULT 0,
	`notes` text DEFAULT NULL,
	PRIMARY KEY (`id`),
	UNIQUE KEY `referee_unique` (`referee_id`),
	KEY `referrer_idx` (`referrer_id`),
	KEY `status_idx` (`status`),
	KEY `code_idx` (`referral_code`),
	KEY `date_idx` (`referred_at`),
	KEY `consult_idx` (`consulted_at`),
	CONSTRAINT `{$this->base}referral_referrer_fk` FOREIGN KEY (`referrer_id`)
		REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE,
	CONSTRAINT `{$this->base}referral_referee_fk` FOREIGN KEY (`referee_id`)
		REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE
)";

		// Create the main referrals table first
		$this->createTables($mainTable);

		// Now create dependent tables
		$dependentTables = [];

		// Second: jane_clients (depends only on wp_users)
		$dependentTables['jane_clients'] = "(
	`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
	`patient_guid` varchar(50) NOT NULL,
	`user_id` {$this->userIDType} NOT NULL,
	`first_name` varchar(100) NOT NULL,
	`last_name` varchar(100) NOT NULL,
	`email` varchar(255) NOT NULL,
	`imported_at` datetime DEFAULT CURRENT_TIMESTAMP,
	`updated_at` datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
	PRIMARY KEY (`id`),
	UNIQUE KEY `patient_guid_unique` (`patient_guid`),
	KEY `user_idx` (`user_id`),
	KEY `email_idx` (`email`),
	CONSTRAINT `{$this->base}jane_client_user_fk` FOREIGN KEY (`user_id`)
		REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE
)";

		// Third: referral_treatments (depends on referrals AND wp_users)
		$dependentTables['referral_treatments'] = "(
	`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
	`referral_id` bigint(20) unsigned NOT NULL,
	`user_id` {$this->userIDType} NOT NULL,
	`treatment_type` varchar(100) NOT NULL COMMENT 'Tier 1-6, Brows, etc',
	`treatment_date` datetime NOT NULL,
	`invoice_number` varchar(50) DEFAULT NULL,
	`amount` decimal(10,2) DEFAULT NULL,
	`status` enum('completed', 'no_show', 'cancelled') DEFAULT 'completed',
	`imported_at` datetime DEFAULT CURRENT_TIMESTAMP,
	PRIMARY KEY (`id`),
	KEY `referral_idx` (`referral_id`),
	KEY `user_idx` (`user_id`),
	KEY `date_idx` (`treatment_date`),
	KEY `type_idx` (`treatment_type`),
	CONSTRAINT `{$this->base}treatment_referral_fk` FOREIGN KEY (`referral_id`)
		REFERENCES `{$this->prefixed}referrals` (`id`) ON DELETE CASCADE,
	CONSTRAINT `{$this->base}treatment_user_fk` FOREIGN KEY (`user_id`)
		REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE
)";

		// Fourth: referral_rewards (depends on referrals AND wp_users)
		$dependentTables['referral_rewards'] = "(
	`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
	`referral_id` bigint(20) unsigned NOT NULL,
	`user_id` {$this->userIDType} NOT NULL,
	`reward_type` enum('referrer', 'referee') NOT NULL,
	`amount` decimal(10,2) NOT NULL,
	`reward_calculation` varchar(20) DEFAULT NULL COMMENT 'percentage or fixed',
	`status` enum('available', 'redeemed', 'expired', 'cancelled') DEFAULT 'available',
	`created_at` datetime NOT NULL,
	`redeemed_at` datetime DEFAULT NULL,
	`expires_at` datetime DEFAULT NULL,
	`notes` text DEFAULT NULL,
	PRIMARY KEY (`id`),
	KEY `referral_idx` (`referral_id`),
	KEY `user_idx` (`user_id`),
	KEY `status_idx` (`status`),
	KEY `type_idx` (`reward_type`),
	CONSTRAINT `{$this->base}reward_referral_fk` FOREIGN KEY (`referral_id`)
		REFERENCES `{$this->prefixed}referrals` (`id`) ON DELETE CASCADE,
	CONSTRAINT `{$this->base}reward_user_fk` FOREIGN KEY (`user_id`)
		REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE
)";

		return $dependentTables;
	}

    /*******************************************************************************************
     * These methods help create a content-type taxonomy, like the tattoo shops in edmonton.ink
     *     To set up, ensure that some fields in the registered taxonomy include 'content_table' => true
     ******************************************************************************************/

    /**
     * Generate SQL column definition based on field type and config
     */
    private function generateColumnDefinition(string $fieldName, array $fieldConfig):string|array
    {
        $type = $fieldConfig['type'];
        $nullable = ($fieldConfig['required'] ?? false) ? 'NOT NULL' : 'DEFAULT NULL';

        return match ($type) {
            'text', 'textarea' => $this->getTextColumnDefinition($fieldConfig, $nullable),
            'email' => "varchar(255) {$nullable}",
            'tel', 'phone' => "varchar(50) {$nullable}",
            'url' => "varchar(2083) {$nullable}",
            'number' => $this->getNumberColumnDefinition($fieldConfig, $nullable),
            'date' => "date {$nullable}",
            'time' => "time {$nullable}",
            'datetime' => "datetime {$nullable}",
            'true_false' => "boolean DEFAULT FALSE",
            'image', 'file' => "bigint(20) {$nullable}",
            'taxonomy' => $this->getTaxonomyColumnDefinition($fieldConfig, $nullable),
            'user' => "bigint(20) {$nullable}",
            'location' => $this->getLocationColumnDefinition($fieldName, $nullable),
            'select', 'radio' => $this->getSelectColumnDefinition($fieldConfig, $nullable),
            'set', 'checkbox', 'repeater', 'gallery' => "json {$nullable}",
            default => "text {$nullable}"
        };
    }

    private function getTextColumnDefinition(array $fieldConfig, string $nullable): string
    {
        $limit = $fieldConfig['limit'] ?? null;

        if ($limit) {
            if ($limit <= 255) {
                return "varchar({$limit}) {$nullable}";
            }
            return "text {$nullable}";
        }

        // Default text field length
        return ($fieldConfig['type'] === 'textarea') ? "text {$nullable}" : "varchar(255) {$nullable}";
    }

    private function getNumberColumnDefinition(array $fieldConfig, string $nullable): string
    {
        $min = $fieldConfig['min'] ?? null;
        $max = $fieldConfig['max'] ?? null;

        // Determine appropriate numeric type based on constraints
        if ($min !== null && $min >= 0) {
            if ($max !== null && $max <= 65535) {
                return "smallint unsigned {$nullable}";
            }
            return "int unsigned {$nullable}";
        }

        if ($max !== null && $max <= 32767 && ($min === null || $min >= -32768)) {
            return "smallint {$nullable}";
        }

        return "int {$nullable}";
    }

    //TODO: Add option to store name instead of id
    private function getTaxonomyColumnDefinition(array $fieldConfig, string $nullable): string
    {
        $limit = $fieldConfig['limit'] ?? null;

        if ($limit === 1) {
            return "{$this->termIDType} {$nullable}";
        }

        // Multiple selections stored as JSON
        return "json {$nullable}";
    }

    private function getLocationColumnDefinition(string $fieldName, string $nullable):array
    {
        return [
            "{$fieldName}_address" => "text {$nullable}",
            "{$fieldName}_lat" => "decimal(10,8) {$nullable}",
            "{$fieldName}_lng" => "decimal(11,8) {$nullable}",
            "{$fieldName}_street" => "varchar(255) {$nullable}",
            "{$fieldName}_city" => "varchar(255) {$nullable}",
            "{$fieldName}_province" => "varchar(255) {$nullable}",
            "{$fieldName}_postal_code" => "varchar(20) {$nullable}",
            "{$fieldName}_country" => "varchar(255) {$nullable}"
        ];
    }

    private function getSelectColumnDefinition(array $fieldConfig, string $nullable): string
    {
        $options = $fieldConfig['options'] ?? [];
        $maxLength = max(array_map('strlen', array_keys($options)));

        return "varchar(" . min(255, max(50, $maxLength + 10)) . ") {$nullable}";
    }

    /**
     * Generate foreign key constraints for taxonomy and user fields
     */
	private function generateConstraints(string $base, array $contentFields, string $tableName): array
	{
		$constraints = [];

		foreach ($contentFields as $fieldName => $fieldConfig) {
			$type = $fieldConfig['type'];
			$constraintName = BASE."{$base}_{$fieldName}";

			if ($type === 'taxonomy') {
				$constraints[] = "CONSTRAINT `{$constraintName}` FOREIGN KEY (`{$fieldName}`)
                REFERENCES `{$this->wpdb->terms}` (`term_id`) ON DELETE SET NULL";
			} elseif ($type === 'user') {
				$constraints[] = "CONSTRAINT `{$constraintName}` FOREIGN KEY (`{$fieldName}`)
                REFERENCES `{$this->userTable}` (`ID`) ON DELETE SET NULL";
			} elseif ($type === 'image' || $type === 'file') {
				$constraints[] = "CONSTRAINT `{$constraintName}` FOREIGN KEY (`{$fieldName}`)
                REFERENCES `{$this->wpdb->posts}` (`ID`) ON DELETE SET NULL";
			}
		}

		return $constraints;
	}

	private function checkIfContentType(string $type, array $config): void
	{
		if (!array_key_exists('is_content', $config) || !$config['is_content']) {
			return;
		}

		try {
			$contentFields = jvbGetFields($type);

			if (!$contentFields || empty($contentFields)) {
				return;
			}


		} catch (Exception $e) {
			error_log("JVB: Error getting content fields for {$type}: " . $e->getMessage());
			return;
		}

		try {
			$tableName = 'content_' . $type;
			$columns = [];
			// Always include primary key
			$columns[] = "`term_id` {$this->termIDType} NOT NULL";
			$columns[] = "`name` varchar(255) NOT NULL";
			$columns[] = "`slug` varchar(255) NOT NULL";

			// Check if fields exist and are array
			if (!isset($config['content_table']['fields']) || !is_array($config['content_table']['fields'])) {
				error_log("JVB: Invalid or missing fields structure for {$type}");
				return;
			}

			$fields = [];
			// Generate columns for content table fields
			foreach ($config['content_table']['fields'] as $fieldName) {
				try {
					$fieldConfig = $contentFields[$fieldName]??false;
					if (!is_array($fieldConfig)) {
						error_log("JVB: Invalid field config for {$fieldName}");
						continue;
					}
					$fields[$fieldName] = $fieldConfig;

					$columnDef = $this->generateColumnDefinition($fieldName, $fieldConfig);

					if (is_array($columnDef)) {
						// Handle location fields that create multiple columns
						foreach ($columnDef as $colName => $colDef) {
							$columns[] = "`{$colName}` {$colDef}";
						}
					} else {
						$columns[] = "`{$fieldName}` {$columnDef}";
					}

				} catch (Exception $e) {
					error_log("JVB: Error generating column definition for {$fieldName}: " . $e->getMessage());
					continue;
				}
			}

			// Add timestamp
			$columns[] = "`updated_at` timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP";

			// Generate constraints and indexes
			$base = BASE . 'content';

			$constraints = $this->generateConstraints($base, $fields, $tableName);

			$indexes = [];

			// Add any defined keys
			if (array_key_exists('keys', $config['content_table'])) {
				error_log("JVB: Processing keys for {$type}");
				foreach ($config['content_table']['keys'] as $key => $types) {
					$types = "`" . implode("`,`", $types) . "`";
					$indexes[] = "KEY `{$base}{$key}` ({$types})";
					error_log("JVB: Added key: {$key}");
				}
			}

			// Always add name index
			$indexes[] = "KEY `{$base}name_idx` (`name`)";

			// Combine everything
			$allDefinitions = array_merge(
				$columns,
				["PRIMARY KEY (`term_id`)"],
				$indexes,
				$constraints,
				["CONSTRAINT `{$base}_{$type}_term` FOREIGN KEY (`term_id`) REFERENCES `{$this->wpdb->terms}` (`term_id`) ON DELETE CASCADE"]
			);
			$sql = "(\n    " . implode(",\n    ", $allDefinitions) . "\n)";
			error_log("JVB: Creating content table for type: {$type}");
			$this->createTables([$tableName => $sql]);

			error_log('JVB: Memory after creating table: ' . memory_get_usage(true) / 1024 / 1024 . ' MB');

		} catch (Exception $e) {
			error_log("JVB: Failed to create content table for {$type}: " . $e->getMessage());
		}

		error_log("JVB: Finished checkIfContentType for: {$type}");
	}

    /***********************************************
     *  The following methods are used to create the user stat tables
     **********************************************/
    protected function statTables(array $types): array
    {
        $tables = [];

        foreach ($types as $userType => $config) {
            // Get the post types this user can create
            $canCreate = $config['can_create'] ?? [];

            // Build dynamic columns based on what they can create
            $columns = $this->buildUserStatsColumns($userType, $canCreate, $config);

            $tables["stats_{$userType}"] = $this->generateUserStatsTable($userType, $columns);
        }

        return $tables;
    }

	private function buildUserStatsColumns(string $userType, array $canCreate, array $config): array
	{
		error_log("JVB: Building stats columns for user type: {$userType}");
		error_log('JVB: Memory at start of buildUserStatsColumns: ' . memory_get_usage(true) / 1024 / 1024 . ' MB');

		// Base columns that every user stats table should have
		$columns = [
			"`user_id` {$this->userIDType} NOT NULL",
			"`display_name` VARCHAR(255) NULL",
			"`email` VARCHAR(255) NULL",
			"`city` VARCHAR(100) NULL",
			"`last_login` TIMESTAMP",
			"`joined` TIMESTAMP DEFAULT CURRENT_TIMESTAMP",
		];

		error_log('JVB: Base columns added: ' . count($columns));

		// Email notification columns
		if (array_key_exists('email_notifications', $this->JVB_SITE) && $this->JVB_SITE['email_notifications']) {
			$columns[] = "`general_updates` BOOLEAN DEFAULT FALSE";
			$columns[] = "`notification_preference` ENUM('never', 'daily', 'weekly', 'monthly') DEFAULT 'never'";
			error_log('JVB: Email notification columns added');
		}

		// Favourites column
		if (array_key_exists('favourites', $this->JVB_SITE) && $this->JVB_SITE['favourites']) {
			$columns[] = "`favourites_count` INT DEFAULT 0";
			error_log('JVB: Favourites column added');
		}

		if (isset($config['profile_type'])) {
			$profileType = $config['profile_type'];
			error_log("JVB: Processing profile type: {$profileType}");


			if (isset($this->JVB_CONTENT[$profileType]) &&
				isset($this->JVB_CONTENT[$profileType]['fields']) &&
				is_array($this->JVB_CONTENT[$profileType]['fields'])) {

				error_log('JVB: Profile fields found, processing...');

				try {
					// SAFE iteration through profile fields
					foreach ($this->JVB_CONTENT[$profileType]['fields'] as $fieldName => $fieldConfig) {
						// SAFE check for use_in_stats flag
						if (isset($fieldConfig['use_in_stats']) && $fieldConfig['use_in_stats'] === true) {
							error_log("JVB: Processing stats field: {$fieldName}");

							try {
								$columnDef = $this->generateColumnDefinition($fieldName, $fieldConfig);
								if (is_array($columnDef)) {
									// Handle location fields that create multiple columns
									foreach ($columnDef as $colName => $colDef) {
										$columns[] = "`{$colName}` {$colDef}";
									}
								} else {
									$columns[] = "`{$fieldName}` {$columnDef}";
								}
								error_log("JVB: Added stats column for field: {$fieldName}");
							} catch (Exception $e) {
								error_log("JVB: Error processing stats field {$fieldName}: " . $e->getMessage());
								continue;
							}
						}
					}
				} catch (Exception $e) {
					error_log("JVB: Error processing profile fields: " . $e->getMessage());
				}
			} else {
				error_log("JVB: No profile fields found for {$profileType}");
			}
		}

		error_log('JVB: Processing canCreate: ' . json_encode($canCreate));

		// SAFE processing of content types they can create
		if (!empty($canCreate) && is_array($canCreate)) {
			foreach ($canCreate as $contentType) {
				try {
					if (is_array($contentType)) {
						// Handle nested array structure like: ['tattoo-artist' => ['tattoo', 'artwork']]
						foreach ($contentType as $roleType => $contentTypes) {
							if (is_array($contentTypes)) {
								foreach ($contentTypes as $t) {
									if (is_string($t) && array_key_exists($t, $this->JVB_CONTENT)) {
										$columns[] = "`{$t}_count` INT DEFAULT 0";
										error_log("JVB: Added nested content type column: {$t}");
									}
								}
							}
						}
					} else {
						// Handle simple content type
						if (is_string($contentType) && array_key_exists($contentType, $this->JVB_CONTENT)) {
							$columns[] = "`{$contentType}_count` INT DEFAULT 0";
							error_log("JVB: Added simple content type column: {$contentType}");
						}
					}
				} catch (Exception $e) {
					error_log("JVB: Error processing content type in stats: " . $e->getMessage());
					continue;
				}
			}
		}

		$uniqueColumns = array_unique($columns);
		error_log('JVB: Final stats column count: ' . count($uniqueColumns));
		error_log('JVB: Memory at end of buildUserStatsColumns: ' . memory_get_usage(true) / 1024 / 1024 . ' MB');

		return $uniqueColumns;
	}


    /**
     * Generate the complete SQL for a user stats table
     */
    private function generateUserStatsTable(string $userType, array $columns): string
    {
        // Add indexes and constraints
        $indexes = [
            "PRIMARY KEY (`user_id`)",
            "KEY `display_name_idx` (`display_name`)",
            "KEY `email_idx` (`email`)",
            "KEY `last_login_idx` (`last_login`)",
            "KEY `notification_pref_idx` (`notification_preference`)"
        ];

        $constraints = [
            "CONSTRAINT `{$this->base}_{$userType}_stats_user` FOREIGN KEY (`user_id`)
         REFERENCES `{$this->userTable}` (`ID`) ON DELETE CASCADE"
        ];

        $allDefinitions = array_merge($columns, $indexes, $constraints);

        return "(\n    " . implode(",\n    ", $allDefinitions) . "\n)";
    }

}