<?php
namespace JVBase\meta;

use Exception;

if (!defined('ABSPATH')) {
    exit; // Exit if accessed directly
}

/**
 * Core meta management class
 */
class MetaManager
{
	public MetaTypeManager $type_manager;
	public MetaValidator $validator;
	public MetaSanitizer $sanitizer;
	public MetaRenderer $renderer;
	public MetaForm $form;
	protected int|null $object_id;
	public object|null $data;
	protected array $fields =[];
	protected string $field;
	protected mixed $value;
	protected string|null $object_type;
	protected int $max_file_size = 5242880;
	protected ?string $content = null;

	protected ?string $baseKey = null;
	protected \wpdb $wpdb;
	protected array $postFields = [
		'post_title',
		'post_excerpt',
		'post_content',
		'post_date',
		'post_status',
		'post_modified',
		'post_thumbnail'
	];

	protected array $userFields = [
		'first_name',
		'last_name',
		'description',
		'display_name',
		'user_email',
	];

	protected array $termFields = [
		'term_name',
		'description'
	];

	public function __construct(int|string|null $ID = null, ?string $type = null, ?string $content = null)
	{
		global $wpdb;
		$this->wpdb = $wpdb;
		$this->object_id = is_int($ID) ? $ID : null;
		$this->object_type = $type;
		if ($ID) {
			switch ($type) {
				case 'post':
					$this->data = get_post((string)$ID);
					break;
				case 'term':
					$this->data = get_term($ID);
					break;
				case 'user':
				case 'integrations':
					$this->data = get_user($ID);
					break;
				case 'options':
					$this->baseKey = $ID;
					$this->data = null;
					break;
				default:
					$this->data = null;
					break;
			}
		}
		$this->content = $content;

		$this->type_manager = new MetaTypeManager();
		$this->validator = new MetaValidator();
		$this->sanitizer = new MetaSanitizer();
		$this->renderer = new MetaRenderer();
		$this->form = new MetaForm();
	}

	/**
	 * @param string $field_type
	 *
	 * @return string
	 */
	public function getMetaType(string $field_type): string
	{
		return $this->type_manager->getMetaType($field_type);
	}

	/**
	 * @param array $field
	 *
	 * @return string
	 */
	public function getSanitizeCallback(array $field): string
	{
		return $this->sanitizer->getCallback($field);
	}

	/**
	 * @param string $name
	 *
	 * @return mixed
	 */
	public function getValue(string $name): mixed
	{
		//Get standard post fields first
		switch ($name) {
			case 'post_title':
				return $this->data->post_title ?? '';
			case 'post_excerpt':
				return $this->data->post_excerpt ?? '';
			case 'post_content':
				return $this->data->post_content ?? '';
			case 'featured_image':
			case 'post_thumbnail':
				return get_post_thumbnail_id($this->object_id);
			case 'display_name':
				if (is_null($this->data) || !$this->data->display_name) {
					$user = get_userdata((int)get_post_meta($this->object_id, BASE . 'link', true));
					return $user->display_name;
				}
				return $this->data->display_name ?? '';
			case 'user_email':
				if (is_null($this->data) || !$this->data->display_name) {
					$user = get_userdata(get_post_meta($this->object_id, BASE . 'link', true));
					return $user->user_email;
				}
				return $this->data->user_email ?? '';
			case 'term_name':
				return htmlspecialchars_decode($this->data->name);
		}

		$meta_key = BASE . $name;
		switch ($this->object_type) {
			case 'post':
				return get_post_meta($this->object_id, $meta_key, true);
			case 'term':
				return get_term_meta($this->object_id, $meta_key, true);
			case 'user':
			case 'integrations':
				return get_user_meta($this->object_id, $meta_key, true);
			case 'options':
				$key = $this->baseKey
					? BASE . $this->baseKey . '_' . $name
					: BASE . $name;
				return get_option($key);
			default:
				return '';
		}
	}

	/**
	 * @param string $name
	 *
	 * @return bool
	 */
	public function deleteValue(string $name): bool
	{

		try {
			$meta_key = BASE . "{$name}";
			$result = false;

			switch ($this->object_type) {
				case 'post':
					$config = $this->getFieldConfig($name);
					if ($config['type'] === 'taxonomy' && !array_key_exists('taxonomy_type', $config)) {
						$result = wp_set_post_terms($this->object_id, '', $config['taxonomy']);
					} else {
						$result = delete_post_meta((int)$this->object_id, $meta_key);
					}

					break;
				case 'term':
					$result = delete_term_meta($this->object_id, $meta_key);
					break;
				case 'user':
				case 'integrations':
					$result = delete_user_meta($this->object_id, $meta_key);
					break;
			}

			if ($result === false) {
				throw new Exception("Failed to delete meta value for {$this->field}");
			}

			return true;

		} catch (Exception $e) {
			$this->handleError(
				$e->getMessage(),
				[
					'object_id' => $this->object_id,
					'field' => $name,
					'object_type' => $this->object_type,
				]
			);
			return false;
		}
	}

	/**
	 * @param array $fields
	 *
	 * @return array
	 */
	public function batchDelete(array $fields): array
	{
		$results = [];
		foreach ($fields as $field) {
			$results[$field] = $this->deleteValue($field);
		}

		return $results;
	}

	/**
	 * @param string $name
	 * @param mixed $value
	 *
	 * @return bool
	 */
	public function updateValue(string $name, mixed $value): bool
	{
		try {
			// Get field definition
			$fields = $this->getFields();
			$field_config = $fields[$name] ?? null;

			if (!$field_config) {
				throw new Exception("Field configuration not found for {$name}");
			}

			$field_config['name'] = $name;
			// Validate value
			if (!$this->validator->validate($value, $field_config)) {
				error_log('Validation unsuccessful');
				throw new Exception("Validation failed for {$name}");
			}

			// Sanitize value
			$sanitized = $this->sanitizer->sanitize($value, $field_config);
			if ($this->checkOverrides($name, $sanitized, $field_config)) {
				return true;
			}

			switch ($name) {
				case 'post_title':
					$ID = true;
					if ($this->data->post_title !== $sanitized) {
						$ID = wp_update_post([
							'ID' => $this->object_id,
							'post_title' => $sanitized
						]);
					}
					return ($ID !== 0);
				case 'post_excerpt':
					$ID = true;
					if ($this->data->post_excerpt !== $sanitized) {
						$ID = wp_update_post([
							'ID' => $this->object_id,
							'post_excerpt' => $sanitized
						]);
					}
					return ($ID !== 0);
				case 'post_content':
					$ID = true;
					if ($this->data->post_content !== $sanitized) {
						$ID = wp_update_post([
							'ID' => $this->object_id,
							'post_content' => $sanitized
						]);
					}
					return ($ID !== 0);
				case 'featured_image':
				case 'post_thumbnail':
					$ID = true;
					$old = get_post_thumbnail_id($this->object_id);
					if ($old !== $sanitized) {
						$ID = set_post_thumbnail($this->object_id, $sanitized);
					}
					return ($ID !== false);
				case 'display_name':
					$ID = true;
					$object_id = $this->object_id;
					$displayName = $this->data->display_name;
					if (!$this->data->display_name) {
						$user = get_userdata(get_post_meta($this->object_id, BASE . 'link', true));
						$object_id = $user->ID;
						$displayName = $user->display_name;
					}

					if ($displayName !== $sanitized) {
						$ID = wp_update_user([
							'ID' => $object_id,
							'display_name' => $sanitized
						]);
						$link = get_user_meta($object_id, BASE . 'link', true);
						wp_update_post([
							'ID' => $link,
							'post_title' => $sanitized,
						]);
					}
					return (!is_wp_error($ID));
				case 'user_email':
					$ID = true;

					$object_id = $this->object_id;
					$email = $this->data->user_email;
					if (!$this->data->display_name) {
						$user = get_userdata(get_post_meta($this->object_id, BASE . 'link', true));
						$object_id = $user->ID;
						$email = $user->user_email;
					}
					if ($email !== $sanitized) {
						$ID = wp_update_user([
							'ID' => $object_id,
							'user_email' => $sanitized
						]);
					}
					return (!is_wp_error($ID));
				case 'term_name':
					$ID = true;
					$name = $this->data->name;
					if ($name !== $sanitized) {
						$ID = wp_update_term($this->data->term_id, $this->data->taxonomy, [
							'name' => $sanitized,
							'slug' => sanitize_title($sanitized)
						]);
					}
			}
			if ($field_config['type'] == 'taxonomy' && (!array_key_exists('taxonomy_type', $field_config))) {
				$set = wp_set_post_terms($this->object_id, $sanitized, jvbCheckBase($field_config['taxonomy']), false);
			}
			if ($field_config['type'] === 'location' && empty($sanitized)) {
				$this->addMeta('has_map', false);
			}
			// Store value
			$meta_key = BASE . $name;
			$result = false;

			switch ($this->object_type) {
				case 'post':
					$result = update_post_meta($this->object_id, $meta_key, $sanitized);
					break;
				case 'term':
					$result = update_term_meta($this->object_id, $meta_key, $sanitized);
					break;
				case 'user':
				case 'integrations':
					$result = update_user_meta($this->object_id, $meta_key, $sanitized);
					break;
				case 'options':
					$key = $this->baseKey
						? BASE . $this->baseKey . '_' . $name
						: BASE . $name;
					return update_option($key, $sanitized);
			}

			if ($result === false) {
				throw new Exception("Failed to update meta value for {$name}");
			}

			return true;

		} catch (Exception $e) {
			JVB()->error()->log(
				'meta_manager',
				$e->getMessage(),
				[
					'object_id' => $this->object_id,
					'field' => $name,
					'object_type' => $this->object_type
				],
				'error'
			);
			return false;
		}
	}
	/*********************
	REPEATER HELPERS
	 * mainly for when we need to update a processed image to a repeater row field
	 *********************/
	/**
	 * Update a specific field within a repeater row
	 *
	 * @param string $field_string The field string in format "repeater_name:row_index:field_name"
	 * @param mixed $value The value to set for the field
	 * @return bool Success status
	 */
	public function updateRepeaterRowField(string $field_string, mixed $value): bool
	{
		// Parse the field string
		$parsed = $this->parseRepeaterFieldString($field_string);

		if (!$parsed) {
			error_log('[MetaManager] Invalid repeater field string: ' . $field_string);
			return false;
		}

		$repeater_name = $parsed['repeater'];
		$row_index = $parsed['row_index'];
		$field_name = $parsed['field'];

		// Get current repeater data
		$repeater_data = $this->getValue($repeater_name);

		// Initialize as array if empty or not an array
		if (!is_array($repeater_data)) {
			$repeater_data = [];
		}

		// Ensure row exists
		if (!isset($repeater_data[$row_index])) {
			$repeater_data[$row_index] = [];
		}

		// Update the specific field in the row
		$repeater_data[$row_index][$field_name] = $value;

		// Save the updated repeater data
		$success = $this->updateValue($repeater_name, $repeater_data);

		if ($success) {
			error_log(sprintf(
				'[MetaManager] Updated repeater field: %s[%d][%s] = %s',
				$repeater_name,
				$row_index,
				$field_name,
				is_scalar($value) ? $value : json_encode($value)
			));
		}

		return $success;
	}

	/**
	 * Parse a repeater field string
	 *
	 * @param string $field_string Format: "repeater_name:row_index:field_name" or "repeater_name:row_index:field_name:sub_field"
	 * @return array|false Parsed components or false if invalid
	 */
	public function parseRepeaterFieldString(string $field_string): array|false
	{
		$parts = explode(':', $field_string);

		if (count($parts) < 3) {
			return false;
		}

		// Handle nested repeaters (4+ parts)
		if (count($parts) === 3) {
			return [
				'repeater' => $parts[0],
				'row_index' => (int)$parts[1],
				'field' => $parts[2],
				'nested' => false
			];
		} elseif (count($parts) === 4) {
			// Nested repeater or sub-field
			return [
				'repeater' => $parts[0],
				'row_index' => (int)$parts[1],
				'field' => $parts[2],
				'sub_field' => $parts[3],
				'nested' => true
			];
		}

		return false;
	}


	protected function checkOverrides(string $name, mixed $sanitized, array $config): bool
	{
		do_action('jvb_meta_update', $name, $sanitized, $this->object_type);

		//check for overrides by field name or type
		$type = $config['type'] ?? false;
		$overrides = [
			'update_' . $name,
			'update_' . $type
		];
		foreach ($overrides as $override) {
			$override = BASE . $override;
			if (function_exists($override)) {
				$override($this->object_id, $sanitized);
				return true;
			}
			$override = 'jvb_' . $override;
			if (function_exists($override)) {
				$override($this->object_id, $sanitized);
				return true;
			}
		}
		return false;
	}

	protected function getFields(): array
	{
		if (!empty($this->fields)) {
			return $this->fields;
		}
		$type = false;
		switch ($this->object_type) {
			case 'post':
				$type = get_post_type((int)$this->object_id);
				break;
			case 'term':
				$type = get_term((int)$this->object_id)->taxonomy;
				break;
			case 'user':
				$type = jvbUserRole((int)$this->object_id);
				break;
			case 'options':
				return jvbGetFields('options');
		}
		if (!$type) {
			return [];
		}

		return jvbGetFields($type, $this->object_type);
	}

	protected function getObjectType(): string|false
	{
		switch ($this->object_type) {
			case 'post':
				$type = get_post_type((int)$this->object_id);
				break;
			case 'term':
				$type = get_term((int)$this->object_id)->taxonomy;
				break;
			case 'user':
				$type = jvbUserRole((int)$this->object_id);
				break;
			case 'options':
				$type = 'options';
				break;
			default:
				return false;
		}
		return $type;
	}

	protected function getSections():array
	{
		$type = false;
		switch ($this->object_type) {
			case 'post':
				$type = get_post_type((int)$this->object_id);
				break;
			case 'term':
				$type = get_term((int)$this->object_id)->taxonomy;
				break;
			case 'user':
				$type = jvbUserRole((int)$this->object_id);
				break;
			case 'options':
				$type = 'options';
				break;
		}
		if (!$type) {
			return [];
		}
		return jvbGetSections($type, $this->object_type);
	}

    protected function getRegistry():mixed
    {
        switch ($this->object_type) {
            case 'post':
                return JVB_CONTENT[jvbNoBase(get_post_type((int)$this->object_id))]??null;
            case 'term':
                $term = get_term((int)$this->object_id);
                return JVB_TAXONOMY[jvbNoBase($term->taxonomy)]??null;
            case 'user':
                return JVB_USER;
        }
        return null;
    }

    /**
     * @param string $message
     * @param array $context
     * @param string $level
     *
     * @return void
     */
    protected function handleError(string $message, array $context = [], string $level = E_USER_WARNING):void
    {
        $class = get_class($this);
        $formatted = sprintf('[%s] %s', $class, $message);

        // Log to ErrorHandler if available
        JVB()->error()->log(
            'meta_manager',
            $message,
            $context,
            'error'
        );

        if (defined('WP_DEBUG') && WP_DEBUG) {
            trigger_error($formatted, $level);
        }
    }

	public function setFieldConfig(array $fields):void
	{
		$this->fields = $fields;
	}

    protected function getFieldConfig(string $name):array|false
    {
        $fields = $this->getFields();


        if (array_key_exists($name, $fields)) {
            return $fields[$name];
        }
        // For nested fields
        $result = null;
        $found = false;

        array_walk_recursive($fields, function ($value, $k) use ($name, &$result, &$found) {
            if (!$found && $k === $name) {
                $result = $value;
                $found = true;
            }
        });

        return $found ? $result : false;
    }

    public function render(string $type, string $name, array|null $config = null, bool $showHidden = false, $return = false, bool $hideEmpty = true):mixed
    {
		if (!apply_filters('jvbShouldRenderMeta', true, $name, $type, $this->getObjectType())) {
			return false;
		}
        if (!$config) {
            $config = $this->getFieldConfig($name);
            if (!$config) {
                return false;
            }
        }

        if (jvbCheck('hidden', $config) && !$showHidden) {
            return false;
        }

        if ($this->object_type === 'form') {
            $value = $this->getDefaultValue($config['type']);
        } else {
			try {
				$value =$this->getValue($name);
			} catch (Exception $e) {
				$value = $this->getDefaultValue($name);
			}
        }

		if ($config['type'] === 'location'){
			$this->addMeta('has_map', true);
		}

        //test for form or frontend
		$out = '';
        switch ($type) {
            case 'form':
                $out =  $this->form->render($name, $value, $config, $showHidden, true);
				$out = apply_filters('jvbRenderFormMeta', $out, $name, $config, $value, $this->getObjectType());
				break;
            case 'render':
                $out = $this->renderer->render($name, $value, $config, true);
				if (empty($out) && !$hideEmpty) {
					$out = $this->getEmptyTemplate($config['type'], $name);
				}
				$out = apply_filters('jvbRenderFrontendMeta', $out, $name, $config, $value, $this->getObjectType());
        }


		if (!$return) {
			echo $out;
		}
		return $out;

    }

    public function renderForm(string $endpoint, array $options = [], array $fields = [], false|array $sections = [], bool $return = false):mixed
    {
		$ID = (array_key_exists('form-id', $options)) ? $options['form-id'] : $endpoint;
        ob_start();
		$classes = (array_key_exists('classes', $options)) ? ' class="'.implode($options['classes']).'"' : '';
		echo '<form id ="'.$endpoint.'"'.$classes.' data-save="'.$endpoint.'" data-form-id="'.$ID.'">';
		echo (array_key_exists('heading', $options)) ? '<h2>'.$options['heading'].'</h2>' : '';
		if (array_key_exists('description', $options)) {
			if (is_array($options['description'])) {
				foreach ($options['description'] as $d) {
					echo '<p>'.$d.'</p>';
				}
			} else {
				echo '<p>'.$options['description'].'</p>';
			}

		}
		if (empty($fields)) {
			$fields = ($this->content) ? jvbGetFields($this->content, $this->object_type) : $this->getFields();
		}

		if ($sections !== false && empty($sections)) {

			$sections = ($this->content) ? jvbGetSections($this->content, $this->object_type) : $this->getSections();
		}

		if (!empty($sections)){
			$tabs = [];
			foreach ($sections as $slug => $title) {
				$tabs[$slug] = [
					'title'	=> $title,
					'content' => '',
					'description' => jvbSectionDescription($slug)??'',
				];
				$icon = jvbSectionIcon($slug);
				if ($icon !== '') {
					$tabs[$slug]['icon'] = $icon;
				}
			}
		} else {
			$tabs = false;
		}


		$first = ['post_thumbnail', 'post_title', 'price'];
		foreach ($first as $f) {
			if (array_key_exists($f, $fields)) {
				if ($tabs) {
					$tabs['basic']['content'] .= $this->render('form', $f, $fields[$f], false, true);
				} else {
					$this->render('form', $f, $fields[$f]);
				}

				unset($fields[$f]);
			}
		}
        foreach ($fields as $n => $config) {
			if ($tabs) {
				$section = (array_key_exists('section', $config)) ? $config['section'] : 'basic';
				$tabs[$section]['content'] .= $this->render('form', $n, $config, false, true);
			} else {
				$this->render('form', $n, $config);
			}

        }


		if ($tabs) {
			jvbRenderTabs($tabs);
		}


		echo (jvbCheck('submit', $options)) ? '<button type="submit">'.jvbIcon('floppy-disk').'Save</button>' : '';
		echo '</form>';

        $out = ob_get_clean();
		if (!$return) {
			echo $out;
		}
		return $out;

    }


	function getEmptyTemplate($type, $name):string
	{
		$template = '<template class="'.$type.'Template">';
		$out = '';
		switch ($type) {
			case 'text':
			case 'textarea':
			case 'number':
				$out = '<p class="'.$name.'"></p>';
				break;
			case 'url':
			case 'email':
				$out = '<a class="'.$name.'">'.jvbIcon('link').'</a>';
				break;
			case 'set':
			case 'checkbox':
			case 'radio':
			case 'taxonomy':
			case 'user':
				$out = '<h4 class="'.$name.' inline"><ul><li></li></ul>';
				break;
			case 'image':
			case 'gallery':
				$out = '<div class="'.$name.' images"><img/></div>';
				break;
			case 'repeater':
				//Repeater should loop through each of its fields
				break;
			case 'date':
				$out = '<p class="'.$name.'">'.jvbIcon('calendar').'<span></span></p>';
				break;
			case 'time':
				$out = '<p class="'.$name.'">'.jvbIcon('clock').'<time></time></p>';
				break;
			case 'true_false':
				$out = '<p class="'.$name.'"></p>';
				break;
			default:
				return '';
		}

		$out = apply_filters('jvbMetaTypeTemplate', $out, $type);

		return $out;
	}

	public function getDefaultValue(string $type):mixed {
		return match ($this->type_manager->getMetaType($type)) {
			'object', 'array' => [],
			'boolean' => false,
			'integer' => 0,
			default => '',
		};
	}

	/*******************************************************************
	 *
	 * BULK SUPPORT
	 *
	 ******************************************************************/
	public function getAll(array $fields = []) :array
	{
		$fields = (empty($fields) || $fields[0] === 'all') ? array_keys($this->getFields()) : $fields;
		if (empty($fields) || !$this->object_id || !$this->object_type) {
			return [];
		}

		switch ($this->object_type) {
			case 'user':
				$check = $this->userFields;
				break;
			case 'term':
				$check = $this->termFields;
				break;
			case 'post':
				$check = $this->postFields;
				break;
			default:
				$check = [];
		}

		$setFields = array_intersect($check, $fields);
		foreach ($setFields as $f) {
			unset($fields[array_search($f, $fields)]);
		}


		// Prepare meta keys with BASE prefix
		$meta_keys = array_map(function($field) {
			return BASE . $field;
		}, $fields);
		if (!empty($fields)) {
			// Build placeholders for IN clause
			$placeholders = implode(',', array_fill(0, count($meta_keys), '%s'));

			// Determine table based on object type
			switch ($this->object_type) {
				case 'post':
					$table = $this->wpdb->postmeta;
					$id_column = 'post_id';
					break;
				case 'term':
					$table = $this->wpdb->termmeta;
					$id_column = 'term_id';
					break;
				case 'user':
					$table = $this->wpdb->usermeta;
					$id_column = 'user_id';
					break;
				default:
					return [];
			}

			// Prepare and execute query
			$query = $this->wpdb->prepare(
				"SELECT meta_key, meta_value
         FROM {$table}
         WHERE {$id_column} = %d
         AND meta_key IN ({$placeholders})",
				array_merge([$this->object_id], $meta_keys)
			);

			$results = $this->wpdb->get_results($query, ARRAY_A);

			// Format results, removing BASE prefix from keys
			$values = [];
			foreach ($results as $row) {
				$key = str_replace(BASE, '', $row['meta_key']);
				$values[$key] = maybe_unserialize($row['meta_value']);
			}

			// Include any requested fields that don't have values as empty
			foreach ($fields as $field) {
				if (!isset($values[$field])) {
					$values[$field] = '';
				}
			}
		}


		if (!empty($setFields)) {
			foreach ($setFields as $field) {
				if ($field === 'post_thumbnail') {
					$values[$field] = get_post_thumbnail_id($this->object_id);
				} else {
					$values[$field] = $this->data->$field;
				}
			}
		}

		return $values;
	}

	protected function addMeta($field, $value): bool
	{
		switch ($this->object_type) {
			case 'post':
				return update_post_meta($this->object_id, BASE.$field, $value);
			case 'term':
				return update_term_meta($this->object_id, BASE.$field, $value);
			case 'user':
			case 'integrations':
				return update_user_meta($this->object_id, BASE.$field, $value);
			case 'option':
				return update_option(BASE.$field, $value);
		}
		return false;
	}

	public function setAll(array $fields):bool
	{
		if (empty($fields) || !$this->object_type) {
			return false;
		}

		if ($this->object_type !== 'options' && !$this->object_id) {
			return false;
		}

		// Determine table based on object type
		switch ($this->object_type) {
			case 'post':
				$table = $this->wpdb->postmeta;
				$id_column = 'post_id';
				$check = $this->postFields;
				break;
			case 'term':
				$table = $this->wpdb->termmeta;
				$id_column = 'term_id';
				$check = $this->termFields;
				break;
			case 'user':
			case 'integrations':
				$table = $this->wpdb->usermeta;
				$id_column = 'user_id';
				$check = $this->userFields;
				break;
			case 'options':
				try {
					$results = [];
					foreach ($fields as $field => $value) {
						// Get field configuration for sanitization
						$field_config = $this->getFieldConfig($field);

						// Sanitize value
						$sanitized = $this->sanitizer->sanitize($value, $field_config);

						if ($this->checkOverrides($field, $sanitized, $field_config)) {
							continue;
						}
						$results[] = update_option(BASE.$field, $sanitized);
					}
					return true;
				} catch (Exception $e) {
					return false;
				}
			default:
				return false;
		}

		$setFields = array_intersect($check, array_keys($fields));
		$temp = [];
		foreach ($setFields as $f) {
			$temp[$f] = $fields[$f];
			unset($fields[array_search($f, $fields)]);
		}
		$setFields = $temp;

		$success = true;
		$this->wpdb->query('START TRANSACTION');

		try {
			if (!empty($fields)) {
				foreach ($fields as $field => $value) {
					// Get field configuration for sanitization
					$field_config = $this->getFieldConfig($field);

					// Sanitize value
					$sanitized = $this->sanitizer->sanitize($value, $field_config);
					if ($this->checkOverrides($field, $sanitized, $field_config)) {
						return true;
					}

					if ($field_config['type'] === 'taxonomy' && !array_key_exists('taxonomy_type', $field_config)){
						$term_ids = array_map('intval', explode(',', trim($sanitized)));
						$set = wp_set_post_terms($this->object_id, $term_ids, jvbCheckBase($field_config['taxonomy']), false);
					}

					if ($field_config['type'] === 'location' && empty($sanitized)) {
						$this->addMeta('has_map', false);
					}

					$meta_key = BASE . $field;

					// Check if meta exists
					$exists = $this->wpdb->get_var($this->wpdb->prepare(
						"SELECT COUNT(*) FROM {$table}
                 WHERE {$id_column} = %d AND meta_key = %s",
						$this->object_id, $meta_key
					));

					if ($exists) {
						// Update existing
						$result = $this->wpdb->update(
							$table,
							['meta_value' => maybe_serialize($sanitized)],
							[
								$id_column => $this->object_id,
								'meta_key' => $meta_key
							],
							['%s'],
							['%d', '%s']
						);
					} else {
						// Insert new
						$result = $this->wpdb->insert(
							$table,
							[
								$id_column => $this->object_id,
								'meta_key' => $meta_key,
								'meta_value' => maybe_serialize($sanitized)
							],
							['%d', '%s', '%s']
						);
					}

					if ($result === false) {
						$success = false;
						break;
					}
				}

				if ($success) {
					$this->wpdb->query('COMMIT');

					// Clear cache for this object
					$this->clearMetaCache();
				} else {
					$this->wpdb->query('ROLLBACK');
				}
			}

			if (!empty($setFields)) {
				switch ($this->object_type) {
					case 'post':
						if (array_key_exists('post_thumbnail', $setFields)) {
							set_post_thumbnail($this->object_id, $setFields['post_thumbnail']);
							unset($setFields['post_thumbnail']);
						}

						if (!empty($setFields)) {
							$result = wp_update_post(array_merge(['ID' => $this->object_id], $setFields), true);
						}
						break;
					case 'user':
					case 'integrations':
						wp_update_user(array_merge(['ID' => $this->object_id], $setFields));
						break;
					case 'term':
						wp_update_term($this->object_id, $this->data->taxonomy, $setFields);
						break;
				}
			}

		} catch (Exception $e) {
			$this->wpdb->query('ROLLBACK');
			JVB()->error()->log(
				'meta_manager',
				'Batch update failed: ' . $e->getMessage(),
				[
					'object_id' => $this->object_id,
					'object_type' => $this->object_type,
					'fields' => array_keys($fields)
				],
				'error'
			);
			return false;
		}

		return $success;
	}

	/**
	 * Get multiple field values for multiple objects
	 *
	 * @param array $object_ids Array of object IDs
	 * @param array $fields Array of field names (without BASE prefix)
	 * @param string $object_type Type of objects (post, term, user)
	 * @return array Multi-dimensional array [object_id][field] => value
	 */
	public static function getBulkValues(array $object_ids, array $fields, string $object_type): array
	{
		if (empty($object_ids) || empty($fields)) {
			return [];
		}

		global $wpdb;

		// Prepare meta keys with BASE prefix
		$meta_keys = array_map(function($field) {
			return BASE . $field;
		}, $fields);

		// Build placeholders
		$id_placeholders = implode(',', array_fill(0, count($object_ids), '%d'));
		$key_placeholders = implode(',', array_fill(0, count($meta_keys), '%s'));

		// Determine table based on object type
		switch ($object_type) {
			case 'post':
				$table = $wpdb->postmeta;
				$id_column = 'post_id';
				break;
			case 'term':
				$table = $wpdb->termmeta;
				$id_column = 'term_id';
				break;
			case 'user':
			case 'integrations':
				$table = $wpdb->usermeta;
				$id_column = 'user_id';
				break;
			default:
				return [];
		}

		// Prepare and execute query
		$query = $wpdb->prepare(
			"SELECT {$id_column} as object_id, meta_key, meta_value
         FROM {$table}
         WHERE {$id_column} IN ({$id_placeholders})
         AND meta_key IN ({$key_placeholders})
         ORDER BY {$id_column}, meta_key",
			array_merge($object_ids, $meta_keys)
		);

		$results = $wpdb->get_results($query, ARRAY_A);

		// Format results
		$values = [];
		foreach ($object_ids as $id) {
			$values[$id] = [];
			foreach ($fields as $field) {
				$values[$id][$field] = '';
			}
		}

		foreach ($results as $row) {
			$object_id = (int)$row['object_id'];
			$key = str_replace(BASE, '', $row['meta_key']);
			$values[$object_id][$key] = maybe_unserialize($row['meta_value']);
		}

		return $values;
	}

	/**
	 * Set multiple field values for multiple objects
	 *
	 * @param array $data Multi-dimensional array [object_id][field] => value
	 * @param string $object_type Type of objects (post, term, user)
	 * @return array Array of results [object_id] => bool success
	 */
	public static function setBulkValues(array $data, string $object_type): array
	{
		if (empty($data)) {
			return [];
		}

		global $wpdb;

		// Determine table based on object type
		switch ($object_type) {
			case 'post':
				$table = $wpdb->postmeta;
				$id_column = 'post_id';
				break;
			case 'term':
				$table = $wpdb->termmeta;
				$id_column = 'term_id';
				break;
			case 'user':
			case 'integrations':
				$table = $wpdb->usermeta;
				$id_column = 'user_id';
				break;
			default:
				return [];
		}

		$results = [];
		$wpdb->query('START TRANSACTION');

		try {
			// Collect all meta keys to check existence in one query
			$all_checks = [];
			foreach ($data as $object_id => $fields) {
				foreach ($fields as $field => $value) {
					$all_checks[] = [
						'object_id' => $object_id,
						'meta_key' => BASE . $field
					];
				}
			}

			// Build query to check existing meta
			if (!empty($all_checks)) {
				$check_values = [];
				foreach ($all_checks as $check) {
					$check_values[] = $wpdb->prepare("(%d, %s)",
						$check['object_id'],
						$check['meta_key']
					);
				}

				$existing_query = "SELECT {$id_column} as object_id, meta_key
                              FROM {$table}
                              WHERE ({$id_column}, meta_key) IN (" .
					implode(',', $check_values) . ")";

				$existing = $wpdb->get_results($existing_query, ARRAY_A);

				// Create lookup for existing meta
				$exists_lookup = [];
				foreach ($existing as $row) {
					$exists_lookup[$row['object_id'] . '_' . $row['meta_key']] = true;
				}
			}

			$object_ids = [];
			// Process each object
			foreach ($data as $object_id => $fields) {
				$object_ids[] = $object_id;
				$object_success = true;

				// Create temporary MetaManager instance for sanitization
				$temp_meta = new self($object_id, $object_type);

				foreach ($fields as $field => $value) {
					// Get field configuration
					$field_config = $temp_meta->getFieldConfig($field);

					// Sanitize value
					$sanitized = $temp_meta->sanitizer->sanitize($value, $field_config);
					$temp = new self(null, $object_type);
					if ($temp->checkOverrides($field, $sanitized, $field_config)) {
						$results[$object_id] = true;
						continue;
					}

					$meta_key = BASE . $field;
					$lookup_key = $object_id . '_' . $meta_key;

					if (isset($exists_lookup[$lookup_key])) {
						// Update existing
						$result = $wpdb->update(
							$table,
							['meta_value' => maybe_serialize($sanitized)],
							[
								$id_column => $object_id,
								'meta_key' => $meta_key
							],
							['%s'],
							['%d', '%s']
						);
					} else {
						// Insert new
						$result = $wpdb->insert(
							$table,
							[
								$id_column => $object_id,
								'meta_key' => $meta_key,
								'meta_value' => maybe_serialize($sanitized)
							],
							['%d', '%s', '%s']
						);
					}

					if ($result === false) {
						$object_success = false;
					}
				}

				$results[$object_id] = $object_success;
			}

			// Check if all succeeded
			$all_success = !in_array(false, $results, true);

			if ($all_success) {
				$wpdb->query('COMMIT');

				// Clear cache for all affected objects
				self::clearBulkMetaCache($object_ids, $object_type);
			} else {
				$wpdb->query('ROLLBACK');
			}

		} catch (Exception $e) {
			$wpdb->query('ROLLBACK');
			JVB()->error()->log(
				'meta_manager',
				'Bulk update failed: ' . $e->getMessage(),
				['object_type' => $object_type],
				'error'
			);

			// Mark all as failed
			foreach (array_keys($data) as $object_id) {
				$results[$object_id] = false;
			}
		}

		return $results;
	}

	/**
	 * Clear meta cache for current object
	 */
	protected function clearMetaCache(): void
	{
		switch ($this->object_type) {
			case 'post':
				clean_post_cache($this->object_id);
				break;
			case 'term':
				clean_term_cache($this->object_id);
				break;
			case 'user':
			case 'integrations':
				clean_user_cache($this->object_id);
				break;
		}
	}

	/**
	 * Clear meta cache for multiple objects
	 */
	protected static function clearBulkMetaCache(array $object_ids, string $object_type): void
	{
		foreach ($object_ids as $id) {
			switch ($object_type) {
				case 'post':
					clean_post_cache($id);
					break;
				case 'term':
					clean_term_cache($id);
					break;
				case 'user':
				case 'integrations':
					clean_user_cache($id);
					break;
			}
		}
	}
}