<?php

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

if ( ! class_exists( 'WPDesk_WooCommerce_DPD' ) ) {
	class WPDesk_WooCommerce_DPD {

		static $instance = null;

		private $plugin = null;

		public static function get_instance( WPDesk_WooCommerce_DPD_Plugin $plugin ) {
			if ( self::$instance == null ) {
				self::$instance = new self( $plugin );
			}
			return self::$instance;
		}

		public static function get_products() {
			$ret = array(
				'classic' 		=> __( 'Classic', 'woocommerce-dpd' ),
			);

			return $ret;
		}

		public static function get_package_types() {
			return array(
					'ENVELOPE' 		=> __( 'Koperta', 'woocommerce-dpd' ),
					'PACKAGE'		=> __( 'Paczka', 'woocommerce-dpd' ),
					'PALLET'		=> __( 'Paleta', 'woocommerce-dpd' ),
			);
		}

		public function __construct( WPDesk_WooCommerce_DPD_Plugin $plugin ) {
			$this->plugin = $plugin;
			$this->hooks();
		}

		public function hooks() {
			add_filter( 'woocommerce_shipping_methods', array( $this, 'woocommerce_shipping_methods' ), 20, 1 );

			add_action( 'woocommerce_order_status_changed', array( $this, 'woocommerce_order_status_changed' ), 10, 3 );

			add_action( 'flexible_shipping_shipment_confirmed', array( $this, 'flexible_shipping_shipment_confirmed' ), 10, 2 );

			add_action( 'flexible_shipping_add_shipping_options', array( $this, 'flexible_shipping_add_shipping_options' ) );

		}

		public function woocommerce_order_status_changed( $order_id, $old_status, $new_status ) {
			$all_shipping_methods = WC()->shipping()->get_shipping_methods();
			$dpd = $all_shipping_methods['dpd'];
			$settings = $dpd->settings;
			if ( isset( $settings['auto_create'] ) && $settings['auto_create'] == 'auto' ) {
				if ( isset( $settings['order_status'] ) && 'wc-' . $new_status == $settings['order_status'] ) {
					$order = wc_get_order( $order_id );
					$shipments = fs_get_order_shipments( $order_id, 'dpd' );
					foreach ( $shipments as $shipment ) {
						try {
							$shipment->api_create();
						}
						catch ( Exception $e ) {}
					}
				}
			}
		}

		public function flexible_shipping_shipment_confirmed( WPDesk_Flexible_Shipping_Shipment $shipment ) {
			if ( $shipment->get_meta( '_integration', '' ) != 'dpd' ) {
				return;
			}
			$all_shipping_methods = WC()->shipping()->get_shipping_methods();
			$shipping_method = $all_shipping_methods['dpd'];
			if ( $shipping_method->get_option( 'complete_order', 'no' ) == 'yes' ) {
				$order = $shipment->get_order();
				$order->update_status( 'completed', __( 'Status zmieniony automatycznie po utworzeniu przesyłki - wtyczka DPD.', 'woocommerce-dpd' ) );
			}
		}


		public function get_shipping_method() {
			$shipping_methods = WC()->shipping()->shipping_methods;
			if ( empty( $shipping_methods ) || !is_array( $shipping_methods ) || count( $shipping_methods ) == 0 ) {
				$shipping_methods = WC()->shipping()->load_shipping_methods();
			}
			return $shipping_methods['dpd'];
		}

		public function get_label( $shipment_id ) {

			$shipment = fs_get_shipment( $shipment_id );

			return $shipment->get_label();
		}

		public function get_api() {
			$shipping_method = $this->get_shipping_method();
			return $shipping_method->get_api();
		}


		public function woocommerce_shipping_methods( $methods ) {
			include_once( 'class-shipping-method.php' );
			$methods['dpd'] = 'WPDesk_WooCommerce_DPD_Shipping_Method';
			return $methods;
		}

		public function flexible_shipping_add_shipping_options( $options ) {
			$options['dpd'] = 'DPD';
			return $options;
		}

	}
}