<?php
/**
 * UserLimit Feature
 *
 * @package    Disco
 * @subpackage App\Utility
 * @since      1.0.0
 * @category   Utility
 */

namespace Disco\App\Features;

use WP_Query;

/**
 * Class DiscountLimit
 *
 * @package    Disco
 * @subpackage App\Feature
 * @author     Ohidul Islam <wahid0003@gmail.com>
 * @link       https://webappick.com
 * @license    https://opensource.org/licenses/gpl-license.php GNU Public License
 * @category   Utility
 */
class UserLimit {

	/**
     * Disco start session function.
     * Set campaign in WC session as an array.
     *
     * @param int $campaign_id Campaign ID.
     * @return void
     */
	public function disco_start_session_on_checkout( $campaign_id ) {
		if ( ! is_checkout() ) {
			return;
		}

		// Retrieve the current associative array from the session
		$disco_campaign = WC()->session->get( 'disco_campaign', array() );

		if ( !is_array( $disco_campaign ) ) {
			$disco_campaign = (array) $disco_campaign;
		}

		// Check if the key (campaign ID) already exists
		if ( in_array( $campaign_id, $disco_campaign, true ) ) {
			return;
		}

		// Add the new data using the campaign ID as the key
		$disco_campaign[] = $campaign_id;

		// Save the updated associative array back to the session
		WC()->session->set( 'disco_campaign', $disco_campaign );
	}

    /**
     * Retrieve total applied campaign by campaign id.
     *
     * @param int $campaign_id Campaign ID.
     * @return int
     */
    public function disco_get_total_applied_campaign( $campaign_id ) {
        // Filter the order statuses to include in the query
        $status = apply_filters(
            'disco_campaign_user_limit_order_statuses',
            array(
				'wc-processing',
				'wc-on-hold',
				'wc-completed',
        ),
			$campaign_id
            );
        // Q: how to get woocommerce HPOS status?
        //
        // Common query arguments
        $args = array(
            'post_type'      => 'shop_order', // WooCommerce orders are stored as 'shop_order' post-type
            'post_status'    => $status, // Get orders with any status
            'fields'         => 'ids', // Only retrieve post IDs
            'posts_per_page' => -1, // Retrieve all matching orders
        );

        if ( $this->disco_is_hpos_enabled() ) {// The campaign ID to match
            $args['meta_query'] = array(
                array(
                    'key'     => 'disco_campaign', // Meta-key to filter by
                    'value'   => $campaign_id, // The campaign ID to match
                    'compare' => '=', // Comparison operator
                ),
            );
        } else {
            $args['meta_key']   = 'disco_campaign'; // a Meta-key to filter by phpcs:ignore
            $args['meta_value'] = $campaign_id; // The campaign ID to match
        }

        // Return the count of matching orders

        return ( new WP_Query( $args ) )->found_posts;// phpcs:disable WordPress.DB.SlowDBQuery.meta_query, WordPress.DB.SlowDBQuery.meta_key, WordPress.DB.SlowDBQuery.meta_value
    }

	/**
	 * Check WooCommerce HPOS is enabled or not.
	 *
	 * @return bool
	 */
	private function disco_is_hpos_enabled() {
		if ( class_exists( \Automattic\WooCommerce\Utilities\OrderUtil::class ) ) {
			return \Automattic\WooCommerce\Utilities\OrderUtil::custom_orders_table_usage_is_enabled();
		}

		return false;
	}

}