<?php
namespace JVBase\managers;

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

/**
 * Class for building and managing umami.js tracking data attributes
 */
class UmamiTracker
{
    private array $valid_events = [
        'view_feed',
        'view_taxonomy',
        'view_profile',
        'view_shop',
        'view_content',
        'toggle_favourite',
        'click_profile',
        'click_content',
        'click_taxonomy',
        'click_shop',
    ];
    private array $valid_types;
    private array $context;

    /**
     * Constructor
     *
     * @param array $context Optional context data to use for all tracking
     */
    public function __construct(array $context = [])
    {
        $this->context = $context;
        global $jvb_content;
        $this->valid_types = array_keys($jvb_content);


        // Add current page information if available
        if (empty($this->context['source_id']) && is_singular()) {
            $this->context['source_id']   = get_the_ID();
            $this->context['source_type'] = get_post_type();
        } elseif (empty($this->context['source_id']) && is_tax()) {
            $obj                          = get_queried_object();
            $this->context['source_id']   = $obj->term_id;
            $this->context['source_type'] = $obj->taxonomy;
        }
    }

    /**
     * Build tracking attributes for a specific event
     *
     * @param string $event Event type
     * @param string $type Content type
     * @param array $args Additional arguments
     *
     * @return array/string HTML attributes for tracking
     */
    public function buildAttributes(string $event, string $type, array $args = []):array
    {
        // Validate event and type
        if (!in_array($event, $this->valid_events)) {
            return [];
        }

        if (!in_array($type, $this->valid_types)) {
            return [];
        }

        // Merge with context
        $args = array_merge($this->context, $args);

        // Normalize type (remove jvb_ prefix)
        $normalized_type = str_replace(BASE, '', $type);

        // Start building attributes
        $attributes = [
            'umamiEvent'      => esc_attr($event),
            'umamiEventType' => esc_attr($normalized_type)
        ];

        // Add content ID if available
        if (!empty($args['id'])) {
            $attributes['umamiEventId'] = esc_attr($args['id']);
        }

        // Add source info (where the action originated)
        if (!empty($args['source_id'])) {
            $attributes['umamiEventSource'] = esc_attr($args['source_id']);

            if (!empty($args['source_type'])) {
                $attributes['umamiEventSourceType'] = esc_attr(
                    str_replace(BASE, '', $args['source_type'])
                );
            }
        }

        // Add owner info (usually artist or partner)
        if (!empty($args['owner_id'])) {
            $attributes['umamiEventOwner'] = esc_attr($args['owner_id']);

            if (!empty($args['owner_type'])) {
                $attributes['umamiEventOwnerType'] = esc_attr(
                    str_replace(BASE, '', $args['owner_type'])
                );
            }
        }

        // Add referrer (how the user got here)
        if (!empty($args['from'])) {
            $attributes['umamiEventFrom'] = esc_attr($args['from']);
        }

        // Add item (used in views to see what people are clicking on)
        if (!empty($args['item'])) {
            $attributes['umamiEventItem'] = esc_attr($args['item']);
        }

        // Add any additional metadata
        if (!empty($args['meta']) && is_array($args['meta'])) {
            foreach ($args['meta'] as $key => $value) {
                $attributes['umamiEventMeta' . ucFirst(str_replace('-', '', sanitize_key($key)))] = esc_attr($value);
            }
        }

        return $attributes;
    }

    /**
     * Build tracking attributes for content clicks
     *
     * @param int $id Content ID
     * @param string $type Content type
     * @param array $args Additional arguments
     *
     * @return array HTML attributes for tracking
     */
    public function trackContentClick(int $id, string $type, array $args = []):array
    {
        $args['id'] = $id;

        // Auto-detect owner for content types
        if (empty($args['owner_id']) && in_array($type, [ 'jvb_tattoo', 'jvb_artwork', 'jvb_piercing' ])) {
            $post = get_post($id);
            if ($post && ! empty($post->post_author)) {
                $args['owner_id']   = $post->post_author;
                $args['owner_type'] = 'user';
            }
        }

        return $this->buildAttributes('click_content', $type, $args);
    }

    /**
     * Build tracking attributes for profile clicks
     *
     * @param int $id Profile ID
     * @param string $type Profile type (usually jvb_artist or jvb_partner)
     * @param array $args Additional arguments
     *
     * @return array HTML attributes for tracking
     */
    public function trackProfileClick(int $id, string $type, array $args = []):array
    {
        $args['id'] = $id;
        return $this->buildAttributes('click_profile', $type, $args);
    }

    /**
     * Build tracking attributes for taxonomy clicks
     *
     * @param int $id Term ID
     * @param string $taxonomy Taxonomy
     * @param array $args Additional arguments
     *
     * @return array HTML attributes for tracking
     */
    public function trackTaxonomyClick(int $id, string $taxonomy, array $args = [])
    {
        $args['id'] = $id;
        return $this->buildAttributes('click_taxonomy', $taxonomy, $args);
    }

    /**
     * Build tracking attributes for shop clicks
     *
     * @param int $id Shop ID
     * @param array $args Additional arguments
     *
     * @return array HTML attributes for tracking
     */
    public function trackShopClick(int $id, string $type = 'shop', array $args = []):array
    {
        $args['id'] = $id;
        return $this->buildAttributes('click_shop', $type, $args);
    }

    /**
     * Build tracking attributes for favourite toggles
     *
     * @param int $id Content ID
     * @param string $type Content type
     * @param bool $is_favourite Whether it's being favourited or unfavourited
     * @param array $args Additional arguments
     *
     * @return array HTML attributes for tracking
     */
    public function trackFavouriteToggle(int $id, string $type, bool $is_favourite, array $args = [])
    {
        $args['id']             = $id;
        $args['meta']['action'] = $is_favourite ? 'add' : 'remove';
        return $this->buildAttributes('toggle_favourite', $type, $args);
    }

    /**
     * Track content view in feed
     *
     * @param int $id Content ID
     * @param string $type Content type
     * @param array $args Additional arguments
     *
     * @return array HTML attributes for tracking
     */
    public function trackFeedView(int $id, string $type, array $args = []):array
    {
        $args['id'] = $id;
        return $this->buildAttributes('view_feed', $type, $args);
    }

    /**
     * Convert an array of attributes to a string
     *
     * @param array $attributes Attributes array
     *
     * @return string Attributes string
     */

    public function attributesToString(array $attributes):string
    {
        $attr_strings = [];

        foreach ($attributes as $key => $value) {
            $attr_strings[] = $key . '="' . $value . '"';
        }

        return implode(' ', $attr_strings);
    }
}