<?php

/**
 * Description of WooCommerceOrderItem
 *
 * @author Ali2Woo Team
 */

namespace AliNext_Lite;;

use WC_Order_Item_Product;
use WC_Product_Variable;

class WooCommerceOrderItem
{
    /**
     * @var WC_Order_Item_Product
     */
    private $orderItem;
    private $has_changes; //use it for Woocommerce CRUD

    public function __construct($order_item)
    {
        if (is_numeric($order_item)) {
            $this->orderItem = new WC_Order_Item_Product($order_item);
        } else {
            $this->orderItem = $order_item;
        }
        $this->has_changes = false;
    }

    public function get_id()
    {
        if (get_class($this->orderItem) == 'WC_Order_Item_Product') {
            return $this->orderItem->get_id();
        } else {
            return $this->orderItem['id'];
        }
    }

    public function get_order_id(): int
    {
        return $this->orderItem->get_order()->get_id();
    }

    public function get_name()
    {
        if (get_class($this->orderItem) == 'WC_Order_Item_Product') {
            return $this->orderItem->get_name();
        } else {
            return $this->orderItem['name'];
        }
    }

    public function get_product_id()
    {
        if (get_class($this->orderItem) == 'WC_Order_Item_Product') {
            return $this->orderItem->get_product_id();
        } else {
            return $this->orderItem['product_id'];
        }
    }

    public function get_variation_id()
    {
        if (get_class($this->orderItem) == 'WC_Order_Item_Product') {
            return $this->orderItem->get_variation_id();
        } else {
            return $this->orderItem['variation_id'];
        }
    }

    public function get_quantity()
    {
        if (get_class($this->orderItem) == 'WC_Order_Item_Product') {
            return $this->orderItem->get_quantity();
        } else {
            return $this->orderItem['qty'];
        }
    }

    public static function check_is_delivered(string $status): bool
    {
        $checkStatus = strtolower(trim($status));
        $allowedStatuses = ['delivery successful', 'delivered', 'buyer_accept_goods', 'finish'];

        return in_array($checkStatus, $allowedStatuses, true);
    }

    public function is_delivered(): bool
    {
        $tracking_status = $this->get_tracking_status();
        if ($tracking_status) {
            return self::check_is_delivered($tracking_status);
        }

        return false;
    }

    public function is_shipped(): bool
    {
        $status = $this->get_tracking_status();

        if ($status) {
            $checkStatus = strtolower(trim($status));
            $allowedStatuses = ['seller_shipped', 'seller_send_goods', 'wait_buyer_accept_goods'];

            return in_array($checkStatus, $allowedStatuses, true);
        }

        return false;
    }

    public function get_external_product_id(): ?string
    {
        $product_id = $this->get_product_id();
        $WC_Product = wc_get_product($product_id);
        $result = null;
        if ($WC_Product) {
            /**
             * here can be a case when product is already deleted in Woocommerce
             */
            $result = $WC_Product->get_meta(Constants::product_external_meta());
        }

        return $result;
    }

    public function get_external_order_id()
    {
        $external_order_id = $this->orderItem->get_meta(Constants::order_item_external_order_meta());

        return is_array($external_order_id) ? $external_order_id[0] : '';
    }

    public function get_external_sku_id(): ?string
    {
        $productId = $this->get_product_id();
        $variationId = $this->get_variation_id();

        if (!$variationId && $productId) {
            $WC_Product_Variable = new WC_Product_Variable($productId);
            $variations = $WC_Product_Variable->get_available_variations();
            if (!empty($variations)) {
                $variationId = $variations[0]['variation_id'];
            }
        }

        if (!$variationId) {
            return null;
        }

        $skuId = get_post_meta($variationId, ImportedProductService::KEY_EXTERNAL_SKU_ID, true);
        return $skuId !== '' ? $skuId : null;
    }

    private function get_tracking_data()
    {
        $tracking_data = $this->orderItem->get_meta(Constants::order_item_tracking_data_meta());

        if (!$tracking_data) {
            $tracking_data = array();
            $tracking_data = array("tracking_codes" => array(), "carrier_name" => '', "carrier_url" => '', "tracking_status" => '');
        }

        if (!isset($tracking_data['tracking_codes'])) {
            $tracking_data['tracking_codes'] = array();
        }

        if (!isset($tracking_data['carrier_name'])) {
            $tracking_data['carrier_name'] = '';
        }

        if (!isset($tracking_data['carrier_url'])) {
            $tracking_data['carrier_url'] = '';
        }

        if (!isset($tracking_data['tracking_status'])) {
            $tracking_data['tracking_status'] = '';
        }

        return $tracking_data;
    }

    public function get_tracking_codes()
    {

        $tracking_data = $this->get_tracking_data();

        return ($tracking_data && isset($tracking_data['tracking_codes'])) ? $tracking_data['tracking_codes'] : array();

        return array();
    }

    public function get_tracking_status()
    {
        $tracking_data = $this->get_tracking_data();
        $tracking_status = $tracking_data['tracking_status'];
        return $tracking_status;
    }

    public function get_carrier_name()
    {
        $tracking_data = $this->get_tracking_data();
        if ($tracking_data && isset($tracking_data['tracking_codes'])) {
            return $tracking_data['carrier_name'];
        }
        return "";
    }

    public function get_ali_order_item_link()
    {
        $external_order_id = $this->get_external_order_id();

        if ($external_order_id) {
            $url = "https://trade.aliexpress.com/order_detail.htm?orderId={$external_order_id}";
            return "<a target='_blank' href='{$url}'>" . $external_order_id . "</a>";
        } else {
            return false;
        }

    }

    public function get_formated_carrier_link()
    {
        $tracking_data = $this->get_tracking_data();

        if ($tracking_data && isset($tracking_data['tracking_codes'])) {

            $tracking_url = $tracking_data['carrier_url'];
            $carrier_name = $tracking_data['carrier_name'];

            if ($tracking_url && $carrier_name) {
                return "<a target='_blank' href='{$tracking_url}'>" . $carrier_name . "</a>";
            } else if ($carrier_name) {
                return $carrier_name;
            }

        }

        return "";
    }

    public function get_formated_tracking_codes($plain = false)
    {

        $tracking_numbers = $this->get_tracking_codes();

        $tracking_numbers_formated = array();

        if (!$plain) {

            $tracking_url_template = "https://global.cainiao.com/detail.htm?mailNoList={tracking_number}";

            $tracking_url_template = apply_filters('a2wl_get_tracking_url_template', $tracking_url_template);

            foreach ($tracking_numbers as $tracking_number) {
                $tracking_url = str_replace('{tracking_number}', $tracking_number, $tracking_url_template);
                $link_title = esc_html__('Click to see the tracking information', 'ali2woo');
                $tracking_numbers_formated[] = "<a target='_blank' title='{$link_title}' href='{$tracking_url}'>" . $tracking_number . "</a>";
            }

        } else {
            $tracking_numbers_formated = $tracking_numbers;
        }

        return !empty($tracking_numbers_formated) ? implode(",", $tracking_numbers_formated) : "";

    }

    public function get_ali_shipping_code()
    {
        $shipping_code = '';

        $shipping_meta = $this->orderItem->get_meta(Shipping::get_order_item_shipping_meta_key());

        $legacy_shipping_meta = $this->orderItem->get_meta(Shipping::get_order_item_legacy_shipping_meta_key());

        if ($shipping_meta) {
            $shipping_info = json_decode($shipping_meta, true);
            $shipping_code = $shipping_info['service_name'];
        } else

        if ($legacy_shipping_meta) {
            $shipping_code = $legacy_shipping_meta;
        }

        return $shipping_code;
    }

    public function update_tracking_data($tracking_codes, $carrier_name, $carrier_url, $tracking_status, $force_save = false)
    {

        foreach ($tracking_codes as $tracking_number) {
            $order_id = $this->orderItem->get_order_id();
            //    $order_item_id =  $this->orderItem->get_id();
            do_action('wcae_after_add_tracking_code', $order_id, $tracking_number);
        }

        $this->orderItem->update_meta_data(Constants::order_item_tracking_data_meta(), array("tracking_codes" => $tracking_codes, "carrier_name" => $carrier_name, "carrier_url" => $carrier_url, "tracking_status" => $tracking_status));

        $this->has_changes = true;
        if ($force_save) {
            $this->save();
        }
    }

    public function update_tracking_codes($tracking_codes, $force_save = false)
    {

        foreach ($tracking_codes as $tracking_number) {
            $order_id = $this->orderItem->get_order_id();
            //    $order_item_id =  $this->orderItem->get_id();
            do_action('wcae_after_add_tracking_code', $order_id, $tracking_number);
        }

        $tracking_data = $this->get_tracking_data();

        $tracking_data["tracking_codes"] = $tracking_codes;

        $this->orderItem->update_meta_data(Constants::order_item_tracking_data_meta(), $tracking_data);

        $this->has_changes = true;
        if ($force_save) {
            $this->save();
        }
    }

    public function update_external_order($external_order_id, $force_save = false)
    {

        $this->orderItem->update_meta_data(Constants::order_item_external_order_meta(), $external_order_id ? array($external_order_id) : "");

        $this->has_changes = true;
        if ($force_save) {
            $this->save();
        }
    }

    public function save()
    {
        if ($this->has_changes && get_class($this->orderItem) == 'WC_Order_Item_Product') {
            $this->orderItem->save();
            return true;
        }

        return false;
    }

}