<?php

namespace app\common\service;

use app\common\model\order\Ships as OrderShips;
use app\common\traits\ServiceTrait;

class OrderShipService
{
    use ServiceTrait;

    /** @var OrderShips */
    public static $Model = OrderShips::class;

    /**
     * @param $order_no
     * @param $order_goods_spu_id
     * @param $code
     * @param $remark
     * @return mixed
     * @throws \Exception
     */
    public static function createData($order_no, $order_goods_spu_id, $code, $remark = '')
    {
        $data = [
          'order_no' => $order_no,
          'order_goods_spu_id' => $order_goods_spu_id,
          'code' => $code,
          'remark' => $remark,
        ];
        $res = self::create($data);
        if (!$res) {
            exception('创建发货单数据失败');
        }

        return $res;
    }

    /**
     * 需求交付发货单（开发者发货：凭证截图 + 交付附件/链接 + 备注）
     * 多图/多文件/多链接统一存英文逗号分隔的 URL 字符串：
     * http://xxx/a.jpg,http://xxx/b.pdf
     * 说明：源码通常在企业微信沟通群直接交付，平台只登记发货状态，
     * 故附件与链接均为选填，仅凭证截图必填
     * @param $order_no
     * @param $order_goods_spu_id
     * @param $demand_id
     * @param array $images URL 数组
     * @param array $files URL 数组（选填）
     * @param string $remark
     * @param array $links 交付链接数组（选填：Git仓库/网盘等持久获取方式）
     * @return mixed
     * @throws \Exception
     */
    public static function createDemandDelivery($order_no, $order_goods_spu_id, $demand_id, array $images, array $files, $remark = '', array $links = [])
    {
        // 复用模型的规范化方法，统一为英文逗号分隔字符串
        $imagesStr = OrderShips::toUrlString($images);
        $filesStr = OrderShips::toUrlString($files);
        $linksStr = OrderShips::toUrlString($links);
        if (mb_strlen($imagesStr) > 1000 || mb_strlen($filesStr) > 1000 || mb_strlen($linksStr) > 1000) {
            exception('附件数量过多或链接过长，请精简后重新发货');
        }
        $data = [
            'order_no' => $order_no,
            'order_goods_spu_id' => $order_goods_spu_id,
            'demand_id' => $demand_id,
            'images' => $imagesStr,
            'files' => $filesStr,
            'deliver_links' => $linksStr,
            'remark' => $remark,
        ];
        $res = self::create($data);
        if (!$res) {
            exception('创建发货单数据失败');
        }

        return $res;
    }

    /**
     * 获取需求最新的发货单（未发货返回 null）
     * @param int $demandId
     * @return OrderShips|null
     */
    public static function getDemandLastShip($demandId)
    {
        return self::where(['demand_id' => $demandId])->order('id', 'desc')->find();
    }

    /**
     * 获取需求的交付内容（未发货返回 null）
     * 结构：['images' => [{url,name}], 'files' => [{url,name}], 'remark' => '', 'delivery_time' => 时间戳]
     * @param int $demandId
     * @return array|null
     */
    public static function getDemandDelivery($demandId)
    {
        $ship = self::getDemandLastShip($demandId);
        if (!$ship) {
            return null;
        }

        return [
            'images' => $ship->images_list,
            'files' => $ship->files_list,
            'links' => $ship->deliver_links_list,
            'remark' => $ship->remark,
            'delivery_time' => $ship->createtime,
        ];
    }

    /**
     * 判断需求是否已发货
     * @param int $demandId
     * @return bool
     */
    public static function hasDemandDelivery($demandId)
    {
        return !empty(self::getDemandLastShip($demandId));
    }

    /**
     * 批量获取已发货的需求ID（用于列表按钮展示，避免 N+1 查询）
     * @param array $demandIds
     * @return array
     */
    public static function getDeliveredDemandIds(array $demandIds)
    {
        $demandIds = array_filter(array_unique(array_map('intval', $demandIds)));
        if (!$demandIds) {
            return [];
        }

        return self::where(['demand_id' => ['in', $demandIds]])->column('demand_id');
    }
}