<?php

/**
 * Class WPDesk_Flexible_Shipping_Add_Shipping
 */
class WPDesk_Flexible_Shipping_Add_Shipping implements \FSVendor\WPDesk\PluginBuilder\Plugin\HookablePluginDependant {

	use \FSVendor\WPDesk\PluginBuilder\Plugin\PluginAccess;

	/**
	 * Shipping added?
	 *
	 * @var bool
	 */
	private $shipping_added = false;

	/**
	 * Hooks.
	 */
	public function hooks() {
		add_action( 'add_meta_boxes', array( $this, 'add_meta_box' ), 20, 2 );
		add_action( 'admin_init', array( $this, 'handle_add_shipping' ) );
	}

	/**
	 * Add shipping.
	 *
	 * @param string $integration Integration.
	 */
	private function add_shipping( $integration ) {
		$class_name = apply_filters( 'flexible_shipping_shipment_class', 'WPDesk_Flexible_Shipping_Shipment_' . $integration, $integration );
		if ( class_exists( $class_name ) ) {
			$order = wc_get_order( $_GET['post'] );
			if ( $order ) {
				$order_id      = $order->get_id();
				$integration   = $_GET['fs_add_shipping'];
				// Translators: order id and integration.
				$post_title    = sprintf( __( 'Shipment for order %1$s, %2$s', 'flexible-shipping' ), $order_id, $integration );
				$shipment_post = array(
					'post_title'    => $post_title,
					'post_type'     => 'shipment',
					'post_status'   => 'fs-new',
					'post_parent'   => $order_id
				);
				$shipment_id = wp_insert_post( $shipment_post );
				update_post_meta( $shipment_id, '_integration', $integration );
				$shipment = fs_get_shipment( $shipment_id, $order );
				$shipment->set_created_via_add_shipment();
				if ( method_exists( $shipment, 'admin_add_shipment' ) ) {
					$shipment->admin_add_shipment();
				}
				$shipment->save();
				$order->add_order_note( sprintf( __( 'Added new shipment via metabox. Shipment ID: %s', 'flexible-shipping' ), $shipment->get_id() ) );
				$this->shipping_added = true;
			}
		}
	}

	/**
	 * Handle add shipping.
	 */
	public function handle_add_shipping() {
		if ( isset( $_GET['fs_add_shipping'] ) && isset( $_GET['post'] ) ) {
			if ( isset( $_GET['_wpnonce'] ) ) {
				if ( wp_verify_nonce( $_GET['_wpnonce'], 'fs_add_shipping' ) ) {
					$integration = $_GET['fs_add_shipping'];
					$this->add_shipping( $integration );
				}
			}
		}
	}

	/**
	 * Add metabox.
	 *
	 * @param string  $post_type Post type.
	 * @param WP_Post $post Post.
	 */
	public function add_meta_box( $post_type, $post ) {
		if ( 'shop_order' === $post_type ) {
			$add_metabox = false;
			$order       = wc_get_order( $post->ID );
			$created_via = $order->get_created_via();
			if ( 'checkout' !== $created_via ) {
				$add_metabox = true;
			}
			if ( ! $add_metabox ) {
				$order_shipping_methods  = $order->get_shipping_methods();
				$all_shipping_methods    = flexible_shipping_get_all_shipping_methods();
				$flexible_shipping       = $all_shipping_methods['flexible_shipping'];
				$flexible_shipping_rates = $flexible_shipping->get_all_rates();
				foreach ( $order_shipping_methods as $order_shipping_method ) {
					/** @var WC_Order_Item_Shipping $order_shipping_method */
					$fs_method = $order_shipping_method->get_meta( '_fs_method' );
					if ( ! empty( $fs_method ) && isset( $flexible_shipping_rates[ $fs_method['id_for_shipping'] ] ) ) {
						$add_metabox = true;
					}
				}
			}
			$select_options = array();
			$select_options = apply_filters( 'flexible_shipping_add_shipping_options', $select_options );
			if ( $add_metabox && count( $select_options ) ) {
				$select_options = array_merge(
					array( '' => __( 'Select integration', 'flexible-shipping' ) ),
					$select_options
				);
				$args = array(
					'select_options' => $select_options,
					'order_id'       => $post->ID,
				);
				add_meta_box(
					'add_shipping_meta_box',
					__( 'Add shipping', 'flexible-shipping' ),
					array( $this, 'display_order_metabox' ),
					'shop_order',
					'side',
					'default',
					$args
				);

			}
		}
	}

	/**
	 * Display order metabox.
	 *
	 * @param WP_Post $post Post.
	 * @param array   $args Args.
	 */
	public function display_order_metabox( $post, $args ) {
		$select_options   = $args['args']['select_options'];
		$order_id         = $args['args']['order_id'];
		$add_shipping_url = admin_url( 'post.php?post=' . $order_id . '&action=edit' );
		$add_shipping_url = wp_nonce_url( $add_shipping_url, 'fs_add_shipping' );
		$add_shipping_url = str_replace( '&amp;', '&', $add_shipping_url );
		include 'views/html-order-add_shipping-metabox.php';
	}

}