<?php
/**
 * TMDO_Infocards — integration with 2meet-infocards plugin (PR-8 / Wave 1).
 *
 * Solves audit finding R-1 (infocards integration layer missing).
 *
 * Responsibilities:
 *   - Register tmeetic_profile_*  (vendor primary fields) into Hot zone
 *   - Register tmeetic_ig_*       (Instagram tokens etc.) into Cold zone
 *   - Register wp_2meet_vendor_profiles custom table to Custom_Table_Registry
 *   - Provide cache loader for inject_profile_styles() so it doesn't query DB
 *     on every wp_head call
 *
 * @package WP_Data_Optimizer
 * @since   2.0.0
 */

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

/**
 * Integration with 2meet-infocards. No-op when the partner plugin isn't loaded.
 */
final class TMDO_Infocards {

	/**
	 * Static registration entry. Called from TMDO_Core::run().
	 */
	public static function register(): void {
		// Detect partner plugin via known class names (any one is sufficient).
		$detected = class_exists( 'TMEETIC_Plugin' )
			|| class_exists( 'TMEETIC_Frontend' )
			|| class_exists( '\\TwoMeet_InfoCards\\Plugin' );
		if ( ! $detected ) {
			return;
		}

		add_action( 'wpdo_register_fields', array( __CLASS__, 'register_post_fields' ) );
		add_action( 'wpdo_register_custom_tables', array( __CLASS__, 'register_custom_tables' ) );
	}

	/**
	 * Register hp_vendor meta keys owned by 2meet-infocards.
	 *
	 * @param TMDO_Schema_Registry $registry Singleton instance.
	 * @return void
	 */
	public static function register_post_fields( TMDO_Schema_Registry $registry ): void {
		$registry->register_many(
			'2meet-infocards',
			array(
				// Vendor profile colour fields → Hot zone (varchar columns).
				array(
					'post_type' => 'hp_vendor',
					'meta_key'  => 'tmeetic_profile_primary',
					'zone'      => 'hot',
					'data_type' => "varchar(20) NOT NULL DEFAULT ''",
					'column'    => 'tmeetic_profile_primary',
				),
				array(
					'post_type' => 'hp_vendor',
					'meta_key'  => 'tmeetic_profile_accent',
					'zone'      => 'hot',
					'data_type' => "varchar(20) NOT NULL DEFAULT ''",
					'column'    => 'tmeetic_profile_accent',
				),
				array(
					'post_type' => 'hp_vendor',
					'meta_key'  => 'tmeetic_profile_font',
					'zone'      => 'hot',
					'data_type' => "varchar(50) NOT NULL DEFAULT ''",
					'column'    => 'tmeetic_profile_font',
				),
				// Hero image is descriptive → Cold zone.
				array(
					'post_type'   => 'hp_vendor',
					'meta_key'    => 'tmeetic_profile_hero_image',
					'zone'        => 'cold',
					'cache_group' => 'wpdo_cold_hp_vendor',
					'cache_ttl'   => HOUR_IN_SECONDS,
				),
				// IG tokens — sensitive + display-only → Cold zone.
				array(
					'post_type'   => 'hp_vendor',
					'meta_key'    => 'tmeetic_ig_app_id',
					'zone'        => 'cold',
					'cache_group' => 'wpdo_cold_hp_vendor',
					'cache_ttl'   => HOUR_IN_SECONDS,
				),
				array(
					'post_type'   => 'hp_vendor',
					'meta_key'    => 'tmeetic_ig_app_secret_enc',
					'zone'        => 'cold',
					'cache_group' => 'wpdo_cold_hp_vendor',
					'cache_ttl'   => HOUR_IN_SECONDS,
				),
				array(
					'post_type'   => 'hp_vendor',
					'meta_key'    => 'tmeetic_ig_token_enc',
					'zone'        => 'cold',
					'cache_group' => 'wpdo_cold_hp_vendor',
					'cache_ttl'   => HOUR_IN_SECONDS,
				),
				array(
					'post_type'   => 'hp_vendor',
					'meta_key'    => 'tmeetic_ig_token_expires_at',
					'zone'        => 'cold',
					'cache_group' => 'wpdo_cold_hp_vendor',
					'cache_ttl'   => HOUR_IN_SECONDS,
				),
				array(
					'post_type'   => 'hp_vendor',
					'meta_key'    => 'tmeetic_ig_user_id',
					'zone'        => 'cold',
					'cache_group' => 'wpdo_cold_hp_vendor',
					'cache_ttl'   => HOUR_IN_SECONDS,
				),
			)
		);
	}

	/**
	 * Register infocards custom tables so they appear in `wp wpdo doctor`,
	 * `benchmark`, and `cleanup` tooling.
	 *
	 * @param TMDO_Custom_Table_Registry $registry Custom Table Registry singleton.
	 * @return void
	 */
	public static function register_custom_tables( TMDO_Custom_Table_Registry $registry ): void {
		// CSS variable source — checked by WPDO doctor for index health.
		$registry->register(
			'2meet-infocards',
			array(
				'table_name'      => '2meet_vendor_profiles',
				'primary_key'     => 'vendor_id',
				'post_type_link'  => 'hp_vendor',
				'doctor_callback' => array( __CLASS__, 'doctor_vendor_profiles' ),
			)
		);
		$registry->register(
			'2meet-infocards',
			array(
				'table_name'     => '2meet_cards',
				'primary_key'    => 'id',
				'post_type_link' => 'hp_vendor',
			)
		);
		$registry->register(
			'2meet-infocards',
			array(
				'table_name'     => '2meet_theme_styles',
				'primary_key'    => 'id',
				'post_type_link' => null,
			)
		);
	}

	/**
	 * Doctor check: verifies row count + sample read latency on vendor_profiles.
	 *
	 * @return array{ok:bool, message:string}
	 */
	public static function doctor_vendor_profiles(): array {
		global $wpdb;
		try {
			$exists = (bool) $wpdb->get_var(
				$wpdb->prepare( 'SHOW TABLES LIKE %s', $wpdb->prefix . '2meet_vendor_profiles' )
			);
			if ( ! $exists ) {
				return array(
					'ok'      => false,
					'message' => 'wp_2meet_vendor_profiles table missing',
				);
			}
			$count = (int) $wpdb->get_var( "SELECT COUNT(*) FROM `{$wpdb->prefix}2meet_vendor_profiles`" );
			return array(
				'ok'      => true,
				'message' => "wp_2meet_vendor_profiles: {$count} rows",
			);
		} catch ( \Throwable $e ) {
			return array(
				'ok'      => false,
				'message' => 'doctor failed: ' . $e->getMessage(),
			);
		}
	}

	/**
	 * Cache key for a vendor profile blob (used by inject_profile_styles).
	 *
	 * @param int $vendor_id Vendor post ID.
	 */
	public static function vendor_profile_cache_key( int $vendor_id ): string {
		return 'wpdo_vendor_profile_' . $vendor_id;
	}
}