<?php

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

if ( class_exists( 'WC_REST_Connect_Shipping_Label_Controller' ) ) {
	return;
}

class WC_REST_Connect_Shipping_Label_Controller extends WC_REST_Connect_Base_Controller {
	protected $rest_base = 'connect/label/(?P<order_id>\d+)';

	/*
	 * @var WC_Connect_Shipping_Label
	 */
	protected $shipping_label;

	/*
	 * @var WC_Connect_Payment_Methods_Store
	 */
	protected $payment_methods_store;

	public function __construct( WC_Connect_API_Client $api_client, WC_Connect_Service_Settings_Store $settings_store, WC_Connect_Logger $logger, WC_Connect_Shipping_Label $shipping_label, WC_Connect_Payment_Methods_Store $payment_methods_store ) {
		parent::__construct( $api_client, $settings_store, $logger );
		$this->shipping_label        = $shipping_label;
		$this->payment_methods_store = $payment_methods_store;
	}

	public function register_routes() {
		parent::register_routes();
	}

	public function get( $request ) {
		$order_id = $request['order_id'];
		$payload  = $this->shipping_label->get_label_payload( $order_id );
		if ( ! $payload ) {
			return new WP_Error( 'not_found', __( 'Order not found', 'woocommerce-services' ), array( 'status' => 404 ) );
		}
		$payload['success'] = true;
		return new WP_REST_Response( $payload, 200 );
	}

	public function post( $request ) {
		$settings             = $request->get_json_params();
		$order_id             = $request['order_id'];
		$settings['order_id'] = $order_id;

		if ( empty( $settings['payment_method_id'] ) || ! $this->settings_store->can_user_manage_payment_methods() ) {
			$settings['payment_method_id'] = $this->settings_store->get_selected_payment_method_id();
		} else {
			$this->settings_store->set_selected_payment_method_id( $settings['payment_method_id'] );
		}

		$last_box_id     = '';
		$last_service_id = '';
		$last_carrier_id = '';
		$service_names   = array();
		foreach ( $settings['packages'] as $index => $package ) {
			$service_names[] = $package['service_name'];
			unset( $package['service_name'] );
			$settings['packages'][ $index ] = $package;

			if ( empty( $last_box_id ) && ! empty( $package['box_id'] ) ) {
				$last_box_id = $package['box_id'];
			}

			if ( empty( $last_service_id ) && ! empty( $package['service_id'] ) ) {
				$last_service_id = $package['service_id'];
			}

			if ( empty( $last_carrier_id ) && ! empty( $package['carrier_id'] ) ) {
				$last_carrier_id = $package['carrier_id'];
			}
		}

		if ( ! empty( $last_box_id ) && 'individual' !== $last_box_id ) {
			update_user_meta( get_current_user_id(), 'wc_connect_last_box_id', $last_box_id );
		}

		if ( ! empty( $last_service_id ) && '' !== $last_service_id ) {
			update_user_meta( get_current_user_id(), 'wc_connect_last_service_id', $last_service_id );
		}

		if ( ! empty( $last_carrier_id ) && '' !== $last_carrier_id ) {
			update_user_meta( get_current_user_id(), 'wc_connect_last_carrier_id', $last_carrier_id );
		}

		$response = $this->api_client->send_shipping_label_request( $settings );

		if ( is_wp_error( $response ) ) {
			$error = new WP_Error(
				$response->get_error_code(),
				$response->get_error_message(),
				array( 'message' => $response->get_error_message() )
			);
			$this->logger->log( $error, __CLASS__ );
			return $error;
		}

		$label_ids             = array();
		$purchased_labels_meta = array();
		$package_lookup        = $this->settings_store->get_package_lookup();
		foreach ( $response->labels as $index => $label_data ) {
			if ( isset( $label_data->error ) ) {
				$error = new WP_Error(
					$label_data->error->code,
					$label_data->error->message,
					array( 'message' => $label_data->error->message )
				);
				$this->logger->log( $error, __CLASS__ );
				return $error;
			}
			$label_ids[] = $label_data->label->label_id;

			$label_meta = array(
				'label_id'               => $label_data->label->label_id,
				'tracking'               => $label_data->label->tracking_id,
				'refundable_amount'      => $label_data->label->refundable_amount,
				'created'                => $label_data->label->created,
				'carrier_id'             => $label_data->label->carrier_id,
				'service_name'           => $service_names[ $index ],
				'status'                 => $label_data->label->status,
				'commercial_invoice_url' => $label_data->label->commercial_invoice_url ?? '',
				'is_commercial_invoice_submitted_electronically' => $label_data->label->is_commercial_invoice_submitted_electronically ?? '',
			);

			$package = $settings['packages'][ $index ];
			$box_id  = $package['box_id'];
			if ( 'individual' === $box_id ) {
				$label_meta['package_name'] = __( 'Individual packaging', 'woocommerce-services' );
			} elseif ( isset( $package_lookup[ $box_id ] ) ) {
				$label_meta['package_name'] = $package_lookup[ $box_id ]['name'];
			} else {
				$label_meta['package_name'] = __( 'Unknown package', 'woocommerce-services' );
			}

			$label_meta['is_letter'] = isset( $package['is_letter'] ) ? $package['is_letter'] : false;

			$product_names = array();
			$product_ids   = array();
			foreach ( $package['products'] as $product_id ) {
				$product       = wc_get_product( $product_id );
				$product_ids[] = $product_id;

				if ( $product ) {
					$product_names[] = $product->get_title();
				} else {
					$order           = wc_get_order( $order_id );
					$product_names[] = WC_Connect_Utils::get_product_name_from_order( $product_id, $order );
				}
			}

			$label_meta['product_names'] = $product_names;
			$label_meta['product_ids']   = $product_ids;

			array_unshift( $purchased_labels_meta, $label_meta );
		}

		$this->settings_store->add_labels_to_order( $order_id, $purchased_labels_meta );

		return array(
			'labels'  => $purchased_labels_meta,
			'success' => true,
		);
	}
}