<?php
/**
 * The list-table class that defines the product details and its add to cart url
 *
 * Get the product name, sku, thumbnail, and category of a woocommerce product and its checkout
 * link.
 *
 * @link       https://chykalophia.com/woocommerce-direct-links
 * @since      0.1.0
 * @package    Woocommerce_Direct_Links
 * @subpackage Woocommerce_Direct_Links/admin/partials/list-table
 */

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

if ( ! class_exists( 'Cklph_Wdl_Rest' ) ) {

	/**
	 * Rest Api for WDL Plugin.
	 */
	class Cklph_Wdl_Rest extends WP_REST_Controller {

		/**
		 * Register rest route of the plugin.
		 *
		 * @return void
		 */
		public function cklph_wdl_rest_route() {

			// rest route for individual shortlink request.
			register_rest_route(
				'cklph-wdl/v1',
				'/product/(?P<id>\d+)',
				array(
					'methods'             => WP_REST_Server::READABLE,
					'callback'            => array( $this, 'cklph_wdl_refresh' ),
					'permission_callback' => array( $this, 'permission_check' ),
				)
			);

			// rest route for individual force refresh request for joturl.
			register_rest_route(
				'cklph-wdl/v1',
				'/product-joturl/(?P<id>\d+)',
				array(
					'methods'             => WP_REST_Server::READABLE,
					'callback'            => array( $this, 'cklph_wdl_force_joturl' ),
					'permission_callback' => array( $this, 'permission_check' ),
				)
			);

			// rest route for bulk refresh request.
			register_rest_route(
				'cklph-wdl/v1',
				'/product/bulk',
				array(
					'methods'             => WP_REST_Server::READABLE,
					'callback'            => array( $this, 'cklph_wdl_bulk_refresh' ),
					'permission_callback' => array( $this, 'permission_check' ),
				)
			);

			// rest route for shortlink provider activate/deactivate.
			register_rest_route(
				'cklph-wdl/v1',
				'/shortlink/(?P<shortlink>[a-zA-Z0-9-]+)',
				array(
					'methods'             => WP_REST_Server::READABLE,
					'callback'            => array( $this, 'cklph_wdl_activate' ),
					'permission_callback' => array( $this, 'permission_check' ),
				)
			);

			// rest route for tinyurl setup.
			register_rest_route(
				'cklph-wdl/v1',
				'/tinyurl',
				array(
					'methods'             => WP_REST_Server::READABLE,
					'callback'            => array( $this, 'cklph_wdl_tinyurl_settings' ),
					'permission_callback' => array( $this, 'permission_check' ),
					'args'                => array(
						'domain' => array( 'validate_callback' => array( $this, 'validate_string_callback' ) ),
						'apikey' => array( 'validate_callback' => array( $this, 'validate_string_callback' ) ),
					),
				)
			);

			// rest route for bitly setup.
			register_rest_route(
				'cklph-wdl/v1',
				'/bitly',
				array(
					'methods'             => WP_REST_Server::READABLE,
					'callback'            => array( $this, 'cklph_wdl_bitly_settings' ),
					'permission_callback' => array( $this, 'permission_check' ),
					'args'                => array(
						'apikey' => array( 'validate_callback' => array( $this, 'validate_string_callback' ) ),
					),
				)
			);

			// rest route for yourls setup.
			register_rest_route(
				'cklph-wdl/v1',
				'/yourls',
				array(
					'methods'             => WP_REST_Server::READABLE,
					'callback'            => array( $this, 'cklph_wdl_yourls_settings' ),
					'permission_callback' => array( $this, 'permission_check' ),
					'args'                => array(
						'domain' => array( 'validate_callback' => array( $this, 'validate_string_callback' ) ),
						'apikey' => array( 'validate_callback' => array( $this, 'validate_string_callback' ) ),
					),
				)
			);

			// rest route for yourls setup.
			register_rest_route(
				'cklph-wdl/v1',
				'/joturl',
				array(
					'methods'             => WP_REST_Server::READABLE,
					'callback'            => array( $this, 'cklph_wdl_joturl_settings' ),
					'permission_callback' => array( $this, 'permission_check' ),
					'args'                => array(
						'public'  => array( 'validate_callback' => array( $this, 'validate_string_callback' ) ),
						'private' => array( 'validate_callback' => array( $this, 'validate_string_callback' ) ),
					),
				)
			);
		}

		/**
		 * Validate if callback is string.
		 *
		 * @param string $param value of args.
		 * @param string $request request.
		 * @param string $key key.
		 * @return string $param
		 */
		public function validate_string_callback( $param, $request, $key ) {
			return is_string( $param );
		}

		/**
		 * Check if a given request has access to data.
		 *
		 * @param mixed $request full data of the request.
		 * @return WP_Error|bool
		 */
		public function permission_check( $request ) {
			return current_user_can( 'manage_options' );
		}

		/**
		 * Save setting setup for bitly.
		 *
		 * @param string $request api key for bitly.
		 * @return $result success || error.
		 */
		public function cklph_wdl_bitly_settings( $request ) {
			$access_token = $request['apikey'];
			$wc_product   = new Cklph_Wdl_Wc_Products();
			$product      = $wc_product->get_single_wc_product_id();

			update_option( 'bitly_access_token_options', $access_token );

			$rest_url = $this->cklph_wdl_check_rest( $product, 'bitly' );

			if ( ! is_numeric( $rest_url ) ) {
				update_option( 'url_options', 'none' );
				update_option( 'bitly_access_token_options', '' );
				return new WP_REST_Response( $rest_url );
			}

			$bitly_apikey = get_option( 'bitly_access_token_options' );
			$response     = new WP_REST_Response( 200 );
			return $response;
		}

		/**
		 * Save setting setup for tinyurl.
		 *
		 * @param string $request type, domain & apikey for tinyurl.
		 * @return $result success || error.
		 */
		public function cklph_wdl_tinyurl_settings( $request ) {
			$tinyurl_domain = $request['domain'];
			$tinyurl_apikey = $request['apikey'];
			$wc_product     = new Cklph_Wdl_Wc_Products();
			$product        = $wc_product->get_single_wc_product_id();

			update_option( 'tinyurl_access_token_options', $tinyurl_apikey );
			update_option( 'tinyurl_domain', $tinyurl_domain );

			$rest_url = $this->cklph_wdl_check_rest( $product, 'tinyurl' );

			if ( ! is_numeric( $rest_url ) ) {
				update_option( 'tinyurl_domain', '' );
				return new WP_REST_Response( $rest_url );
			}

			$response = new WP_REST_Response( 200 );
			return $response;
		}

		/**
		 * Save setting setup for yourls.
		 *
		 * @param string $request site & api key for yourls.
		 * @return $result success || error.
		 */
		public function cklph_wdl_yourls_settings( $request ) {
			$yourls_domain = $request['domain'];
			$yourls_apikey = $request['apikey'];
			$wc_product    = new Cklph_Wdl_Wc_Products();
			$product       = $wc_product->get_single_wc_product_id();

			update_option( 'yourls_signature', $yourls_apikey );
			update_option( 'yourls_domain', $yourls_domain );

			$rest_url = $this->cklph_wdl_check_rest( $product, 'yourls' );

			if ( ! is_numeric( $rest_url ) ) {
				update_option( 'url_options', 'none' );
				update_option( 'yourls_domain', '' );
				update_option( 'yourls_signature', '' );
				return new WP_REST_Response( $rest_url );
			}

			$response = new WP_REST_Response( 200 );
			return $response;
		}

		/**
		 * Save setting setup for joturl.
		 *
		 * @param string $request site & api key for yourls.
		 * @return $result success || error.
		 */
		public function cklph_wdl_joturl_settings( $request ) {
			$joturl_public  = $request['public'];
			$joturl_private = $request['private'];
			$wc_product     = new Cklph_Wdl_Wc_Products();
			$product        = $wc_product->get_single_wc_product_id();

			update_option( 'joturl_private', $joturl_private );
			update_option( 'joturl_public', $joturl_public );

			$rest_url = $this->cklph_wdl_check_rest( $product, 'joturl' );

			if ( ! is_numeric( $rest_url ) ) {
				update_option( 'joturl_public', '' );
				update_option( 'joturl_private', '' );
				update_option( 'url_options', 'none' );
				return new WP_REST_Response( $rest_url );
			}

			$response = new WP_REST_Response( 200 );
			return $response;
		}

		/**
		 * Activate/deactivate shortener provider
		 *
		 * @param string $request shortener provider.
		 * @return string $result url_options.
		 */
		public function cklph_wdl_activate( $request ) {
			$option     = $request['shortlink'];
			$url_option = get_option( 'url_options' );
			$wc_product = new Cklph_Wdl_Wc_Products();
			$product    = $wc_product->get_single_wc_product_id();
			$rest_url   = $this->cklph_wdl_check_rest( $product, $option );

			if ( ! is_numeric( $rest_url ) ) {
				return new WP_REST_Response( $rest_url );
			}

			if ( $url_option !== $option ) {
				update_option( 'url_options', $option );
			} else {
				update_option( 'url_options', 'none' );
			}

			$new_option = get_option( 'url_options' );
			$response   = new WP_REST_Response( $new_option );
			return $response;
		}


		/**
		 * Force refresh joturl shortlink when refresh link is click twice.
		 *
		 * @param int $request item id of product.
		 * @return $response refreshed link || error.
		 */
		public function cklph_wdl_force_joturl( $request ) {
			$item_id    = $request['id'];
			$url_option = get_option( 'url_options' );
			$home_url   = home_url( 'checkout/?add-to-cart=' . intval( $item_id ) . '&quantity=1' );

			if ( 'joturl' === $url_option ) {
				$rest_url = $this->cklph_wdl_check_rest( $item_id, 'force-joturl' );
				$failed   = new WP_REST_Response( array( $home_url, $rest_url ) );
				$get_url  = get_post_meta( $item_id, 'joturl_link', true );
				$success  = new WP_REST_Response( array( $get_url, $rest_url ) );
				$result   = is_numeric( $rest_url ) ? $success : $failed;
				return $result;
			}
			return $this->cklph_wdl_refresh( $item_id );
		}

		/**
		 * Refresh shortlink when refresh link is click.
		 *
		 * @param int $request item id of product.
		 * @return $response refreshed link.
		 */
		public function cklph_wdl_refresh( $request ) {
			$item_id    = empty( $request['id'] ) ? $request : $request['id'];
			$url_option = get_option( 'url_options' );
			$home_url   = home_url( 'checkout/?add-to-cart=' . intval( $item_id ) . '&quantity=1' );
			$rest_url   = $this->cklph_wdl_check_rest( $item_id, $url_option );
			$failed     = new WP_REST_Response( array( $home_url, $rest_url ) );

			switch ( $url_option ) {
				case 'tinyurl':
					$get_url = get_post_meta( $item_id, 'tinyurl_link', true );
					$success = new WP_REST_Response( array( $get_url, $rest_url ) );
					$result  = is_numeric( $rest_url ) ? $success : $failed;
					return $result;
				case 'bitly':
					$get_url = get_post_meta( $item_id, 'bitly_link', true );
					$success = new WP_REST_Response( array( $get_url, $rest_url ) );
					$result  = is_numeric( $rest_url ) ? $success : $failed;
					return $result;
				case 'yourls':
					$get_url = get_post_meta( $item_id, 'yourls_link', true );
					$success = new WP_REST_Response( array( $get_url, $rest_url ) );
					$result  = is_numeric( $rest_url ) ? $success : $failed;
					return $result;
				case 'joturl':
					$get_url = get_post_meta( $item_id, 'joturl_link', true );
					$success = new WP_REST_Response( array( $get_url, $rest_url ) );
					$result  = is_numeric( $rest_url ) ? $success : $failed;
					return $result;
				case 'none':
					$success_response = new WP_REST_Response( array( $home_url, 200 ) );
					return $success_response;
				default:
					$success_response = new WP_REST_Response( array( $home_url, 200 ) );
					return $success_response;
			}
		}

		/**
		 * Refresh all shortlink when refresh link is click in settings page.
		 *
		 * @param int $request all ids of products.
		 * @return $response refreshed link || error.
		 */
		public function cklph_wdl_bulk_refresh( $request ) {
			$wc_products = new Cklph_Wdl_Wc_Products();
			$products    = $wc_products->get_all_wc_product_ids();
			$url_option  = get_option( 'url_options' );

			foreach ( $products as $product ) {
				$rest_url = $this->cklph_wdl_check_rest( $product, $url_option );

				if ( ! is_numeric( $rest_url ) ) {
					return new WP_REST_Response( $rest_url );
				}
			}

			$success_response = new WP_REST_Response( 200 );
			return $success_response;
		}

		/**
		 * Run shortlink rest api and check for errors.
		 *
		 * @param int    $item_id product id.
		 * @param string $url_option url option for shortener.
		 * @return $shortlink error.
		 */
		protected function cklph_wdl_check_rest( $item_id, $url_option ) {
			$shortlink = new Cklph_Wdl_Shortlinks();

			switch ( $url_option ) {
				case 'tinyurl':
					return $shortlink->cklph_wdl_check_tinyurl( $item_id );
				case 'bitly':
					return $shortlink->cklph_wdl_check_bitly( $item_id );
				case 'yourls':
					return $shortlink->cklph_wdl_check_yourls( $item_id );
				case 'joturl':
					return $shortlink->cklph_wdl_check_joturl( $item_id );
				case 'force-joturl':
					return $shortlink->cklph_wdl_check_force_joturl( $item_id );
				default:
					return 'none';
			}
		}
	}
}