<?

	/**
	 * Plugin Name: Reservify
	 * Plugin URI: #Reservify
	 * Description:
	 * Author: Albin Soft
	 * Version: 1.0
	 * Author URI: http://www.albinsoft.es/
	 **/

	defined('ABSPATH') or die( 'No script kiddies please!' );


	class Reservify {

		static private $instance;

		static public function get_instance() {
			if(null==self::$instance)
				self::$instance = new Reservify();
			return self::$instance;
		}

		static public function install() {
			$ins = false;
			$upd = false;
			$pid = get_option('reservify_booking_pid');
			if($pid) {
				$page = get_post($pid);
				if($page) {
					$status = $post_status=='publish';
					$cont   = $page->post_content;
					$scode  = strpos($cont, '[reservify_booking]')!==FALSE;
					if(!$status || !$scode) {
						$upd = true;
					}
				} else {
					$ins = true;
				}
			} else {
				$ins = true;
			}
			if($ins) {
				$pid = wp_insert_post([
					'post_type'    => 'page',
					'post_title'   => 'Reserva online',
					'post_content' => '[reservify_booking]',
					'post_excerpt' => 'Reserva online',
					'post_status'  => 'publish',
				]);
				if(is_wp_error($pid)) {
					throw new Exception($pid->get_error_message());
				} else {
					update_option('reservify_booking_pid', $pid);
				}
			}
			if($upd) {
			//	$cont = $page ? $page->post_content : null;
				$ok = wp_update_post([
					'ID'           => $pid,
					'post_content' => '[reservify_booking]', // .PHP_EOL.$cont
					'post_status'  => 'publish',
				]);
				if(is_wp_error($ok)) {
					throw new Exception($ok->get_error_message());
				}
			}

			$pid = get_option('reservify_thankyou_pid');
			if($pid) {
				$page = get_post($pid);
				if($page) {
					$status = $post_status=='publish';
					$cont   = $page->post_content;
					$scode  = strpos($cont, '[reservify_thankyou]')!==FALSE;
					if(!$status || !$scode) {
						$upd = true;
					}
				} else {
					$ins = true;
				}
			} else {
				$ins = true;
			}
			if($ins) {
				$pid = wp_insert_post([
					'post_type'    => 'page',
					'post_title'   => 'Reserva online : Gracias por tu reserva',
					'post_content' => '[reservify_thankyou]',
					'post_excerpt' => 'Gracias por tu reserva online',
					'post_status'  => 'publish',
				]);
				if(is_wp_error($pid)) {
					throw new Exception($pid->get_error_message());
				} else {
					update_option('reservify_thankyou_pid', $pid);
				}
			}
			if($upd) {
			//	$cont = $page ? $page->post_content : null;
				$ok = wp_update_post([
					'ID'           => $pid,
					'post_content' => '[reservify_thankyou]', // .PHP_EOL.$cont
					'post_status'  => 'publish',
				]);
				if(is_wp_error($ok)) {
					throw new Exception($ok->get_error_message());
				}
			}

			$term = term_exists('reservas', 'product_cat');
			if(empty($term)) {
				$term = wp_insert_term('reservas', 'product_cat');
				update_option('reservify_booking_cid', $term['term_id']);
			} else {
				update_option('reservify_booking_cid', $term['term_id']);
			}
		}

		static public function get_permalink($service) {
			$pid = get_option('reservify_booking_pid');
			$url = get_permalink($pid);
			if(strpos($url, '?')) {
				$url .= '&service='.$service;
			} else {
				$url .= '?service='.$service;
			}
			return $url;
		}



		private $flag_payed = false; // as the same method is attached to several hooks we need a flag to avoid redoing.

		public function __construct() {
			add_action('init',      [$this, 'on_init'],       1000);
			add_action('wp_head',   [$this, 'render_header'], 1000);
		//	add_action('wp_footer', [$this, 'render_footer'], 1000);

			add_shortcode('reservify_booking',  [$this, 'render_booking']);
			add_shortcode('reservify_thankyou', [$this, 'render_thankyou']);

			add_action('woocommerce_payment_complete',                                [$this, 'payment_completed'], 10, 1);
			add_action('woocommerce_payment_complete_order_status_completed',         [$this, 'payment_completed'], 10, 1);
			add_action('woocommerce_payment_complete_order_status_processing',        [$this, 'payment_completed'], 10, 1);
			add_action('woocommerce_order_status_pending_to_completed_notification',  [$this, 'payment_completed'], 10, 1);
			add_action('woocommerce_order_status_pending_to_processing_notification', [$this, 'payment_completed'], 10, 1);
			add_action('woocommerce_order_status_failed_to_processing_notification',  [$this, 'payment_completed'], 10, 1);

			add_action( 'add_meta_boxes', function () {
				add_meta_box( 'reservify', 'Reservify', [$this, 'mbox_reservify'], 'shop_order', 'side', 'core' );
			});

			add_action('wp_ajax_payment_completed', function () {
				$order_id = $_POST['order_id'] ?? null;
				$this->payment_completed($order_id);
				die('Ok');
			});
		}

		public function on_init() {
			require_once(ABSPATH.'reservify/ssi/common.php');
		}

		public function render_header() {
			$pid = get_option('reservify_booking_pid');
			$pid = apply_filters( 'wpml_object_id', $pid, 'page', true, ICL_LANGUAGE_CODE);
			if(is_page($pid)) {
				?><script type="importmap">
				{
					"imports": {
						"preact": "https://esm.sh/preact@10.23.1",
						"preact/": "https://esm.sh/preact@10.23.1/",
						"@preact/signals": "https://esm.sh/@preact/signals@1.1.3?external=preact",
						"htm/preact": "https://esm.sh/htm@3.1.1/preact?external=preact",
						"luxon": "