<?php
// +----------------------------------------------------------------------
// | LARAVEL8.0 框架 [ LARAVEL ][ RXThinkCMF ]
// +----------------------------------------------------------------------
// | 版权所有 2017~2021 LARAVEL研发中心
// +----------------------------------------------------------------------
// | 官方网站: http://www.laravel.cn
// +----------------------------------------------------------------------
// | Author: laravel开发员 <laravel.qq.com>
// +----------------------------------------------------------------------

namespace App\Services\Common;

use App\Models\AccountLogModel;
use App\Models\ActionLogModel;
use App\Models\GoodsModel;
use App\Models\MemberModel;
use App\Models\MessageModel;
use App\Models\OrderModel;
use App\Models\OrderGoodsModel;
use App\Models\StoreModel;
use App\Services\BaseService;
use App\Services\RedisService;
use Illuminate\Support\Facades\DB;

/**
 * 订单管理-服务类
 * @author laravel开发员
 * @since 2020/11/11
 * Class OrderService
 * @package App\Services\Common
 */
class OrderService extends BaseService
{
    // 静态对象
    protected static $instance = null;

    /**
     * 构造函数
     * @author laravel开发员
     * @since 2020/11/11
     * OrderService constructor.
     */
    public function __construct()
    {
        $this->model = new OrderModel();
    }

    /**
     * 静态入口
     * @return static|null
     */
    public static function make()
    {
        if (!self::$instance) {
            self::$instance = (new static());
        }
        return self::$instance;
    }

    /**
     * @param $params
     * @param int $pageSize
     * @return array
     */
    public function getDataList($params, $pageSize = 15)
    {
        $query = $this->model->where('mark', 1);

        // 店铺筛选
        if (isset($params['store_id']) && $params['store_id'] > 0) {
            $query->where('store_id', $params['store_id']);
        }

        // 用户筛选
        if (isset($params['user_id']) && $params['user_id'] > 0) {
            $query->where('user_id', $params['user_id']);
        }

        // 状态筛选
        if (isset($params['status']) && $params['status'] > 0) {
            $query->where('status', $params['status']);
        }

        // 售后类型筛选（1-售后，2-退款）
        if (isset($params['after_type']) && $params['after_type'] > 0) {
            $query->where('after_type', $params['after_type']);
        }

        // 退款状态筛选
        if (isset($params['refund_status']) && $params['refund_status'] > 0) {
            $query->where('refund_status', $params['refund_status']);
        }

        // 关键词搜索（订单号、商品名称、收货人手机）
        if (isset($params['keyword']) && $params['keyword']) {
            $keyword = $params['keyword'];
            $query->where(function ($q) use ($keyword) {
                $q->where('order_no', 'like', '%' . $keyword . '%')
                    ->orWhere('receiver_name', 'like', '%' . $keyword . '%')
                    ->orWhere('receiver_mobile', 'like', '%' . $keyword . '%')
                    ->orWhereHas('orderGoods', function ($q2) use ($keyword) {
                        $q2->where('goods_name', 'like', '%' . $keyword . '%');
                    });
            });
        }

        $list = $query->with(['user', 'orderGoods', 'store'])
            ->orderBy('create_time', 'desc')
            ->orderBy('id', 'desc')
            ->paginate($pageSize);

        $list = $list ? $list->toArray() : [];
        if ($list && isset($list['data'])) {
            foreach ($list['data'] as &$item) {
                $item['create_time'] = $item['create_time'] ? date('Y-m-d H:i:s', strtotime($item['create_time'])) : '';
                $item['update_time'] = $item['update_time'] ? date('Y-m-d H:i:s', strtotime($item['update_time'])) : '';
                $item['user'] = $item['user'] ?? [];
                $item['store'] = $item['store'] ?? [];
                // 获取第一个商品信息（thumb已通过Model访问器处理）
                $item['goods'] = isset($item['order_goods'][0]) ? $item['order_goods'][0] : null;
            }
        }

        return [
            'msg' => '操作成功',
            'code' => 0,
            'data' => $list['data'] ?? [],
            'count' => $list['total'] ?? 0,
        ];
    }


    /**
     * 获取订单详情
     */
    public function getInfo($id)
    {
        $info = $this->model->where('id', $id)->where('mark', 1)
            ->with(['user', 'orderGoods', 'store'])
            ->first();

        if (!$info) {
            return ['code' => 1, 'msg' => '订单不存在'];
        }

        $info = $info->toArray();
        $info['create_time'] = $info['create_time'] ? date('Y-m-d H:i:s', strtotime($info['create_time'])) : '';
        $info['update_time'] = $info['update_time'] ? date('Y-m-d H:i:s', strtotime($info['update_time'])) : '';

        if (isset($info['order_goods'])) {
            foreach ($info['order_goods'] as &$goods) {
                $goods['thumb'] = $goods['thumb'] ? get_image_url($goods['thumb']) : '';
                $goods['create_time'] = $goods['create_time'] ? date('Y-m-d H:i:s', strtotime($goods['create_time'])) : '';
                $goods['update_time'] = $goods['update_time'] ? date('Y-m-d H:i:s', strtotime($goods['update_time'])) : '';
            }
        }

        return ['code' => 0, 'msg' => '操作成功', 'data' => $info];
    }

    /**
     * 查询
     * @param $params
     * @return \Illuminate\Database\Eloquent\Builder
     */
    public function getQuery($params)
    {
        $where = ['a.mark' => 1];
        $userId = isset($params['user_id']) ? $params['user_id'] : 0;

        return $this->model->with(['user', 'goods'])->from('orders as a')
            ->leftJoin('member as b', 'a.user_id', '=', 'b.id')
            ->leftJoin('goods as c', 'c.id', '=', 'a.goods_id')
            ->where($where)
            ->where(function ($query) use ($params) {
                $keyword = isset($params['keyword']) ? $params['keyword'] : '';
                if ($keyword) {
                    $query->where('a.order_no', 'like', "%{$keyword}%");
                }

                // 接单人
                $account = isset($params['account']) ? $params['account'] : '';
                if ($account) {
                    $query->where(function ($query) use ($account) {
                        $query->where('b.nickname', 'like', "%{$account}%")->orWhere('b.mobile', 'like', "%{$account}%");
                    });
                }

                // 商品
                $goodsId = isset($params['goods_id']) ? intval($params['goods_id']) : 0;
                $goods = isset($params['goods']) ? trim($params['goods']) : '';
                if ($goods) {
                    $query->where(function ($query) use ($goods) {
                        $query->where('c.goods_name', 'like', "%{$goods}%");
                        if (preg_match("/^(1[0-9]+|[1-9]+)$/", $goods)) {
                            $query->where('a.goods_id', intval($goods));
                        } else {
                            $query->where('c.goods_name', 'like', "%{$goods}%");
                        }
                    });
                }

                if ($goodsId > 0) {
                    $query->where('a.goods_id', intval($goodsId));
                }
            })
            ->where(function ($query) use ($params) {
                $status = isset($params['status']) ? $params['status'] : 0;
                if ($status == 0) {
                    $query->whereIn('a.status', [2, 3]);
                } else if ($status) {
                    $query->where('a.status', $status);
                }
            })
            ->where(function ($query) use ($userId) {
                if ($userId) {
                    $query->where('a.user_id', '=', $userId);
                }
            });
    }

    /**
     * 按日期统计订单数
     * @param string $beginAt 开始时间
     * @param string $endAt 结束时间
     * @param int[] $status 状态：数组或数值
     * @return mixed
     */
    public function getCountByTime($beginAt = '', $endAt = '', $status = 3)
    {
        $cacheKey = "caches:orders:count_{$status}_{$beginAt}_{$endAt}";
        $data = RedisService::get($cacheKey);
        if ($data) {
            return $data;
        }
        $where = ['mark' => 1];
        $data = $this->model->where($where)->where(function ($query) use ($beginAt, $endAt, $status) {
            if ($beginAt && $endAt) {
                $query->whereBetween('create_time', [strtotime($beginAt), strtotime($endAt)]);
            } else if ($beginAt) {
                $query->where('create_time', '>=', strtotime($beginAt));
            }

            if ($status && is_array($status)) {
                $query->whereIn('status', $status);
            } else if ($status) {
                $query->where('status', $status);
            }
        })->count('id');

        if ($data) {
            RedisService::set($cacheKey, $data, rand(300, 600));
        }

        return $data;
    }

    /**
     * 按日期统计订单金额
     * @param string $beginAt 开始时间
     * @param string $endAt 结束时间
     * @param int[] $status 状态：数组或数值
     * @return mixed
     */
    public function getTotalByTime($beginAt = '', $endAt = '', $status = 3)
    {
        $cacheKey = "caches:orders:total_{$status}_{$beginAt}_{$endAt}";
        $data = RedisService::get($cacheKey);
        if ($data) {
            return $data;
        }
        $where = ['mark' => 1];
        $data = $this->model->where($where)->where(function ($query) use ($beginAt, $endAt, $status) {
            if ($beginAt && $endAt) {
                $query->whereBetween('create_time', [strtotime($beginAt), strtotime($endAt)]);
            } else if ($beginAt) {
                $query->where('create_time', '>=', strtotime($beginAt));
            }

            if ($status && is_array($status)) {
                $query->whereIn('status', $status);
            } else if ($status) {
                $query->where('status', $status);
            }
        })->sum('total');

        if ($data) {
            RedisService::set($cacheKey, $data, rand(300, 600));
        }

        return $data;
    }

    /**
     * 添加或编辑
     * @return array
     * @since 2020/11/11
     * @author laravel开发员
     */
    public function edit()
    {
        $params = request()->post();
        return parent::edit($params); // TODO: Change the autogenerated stub
    }

    /**
     * 订单审核
     * @return bool
     */
    public function confirm($adminId, $params)
    {
        $id = isset($params['id']) ? intval($params['id']) : 0;
        $remark = isset($params['remark']) ? trim($params['remark']) : '';
        $checkStatus = isset($params['status']) ? intval($params['status']) : 0;
        if (!in_array($checkStatus, [2, 9])) {
            $this->error = '请选择审核状态';
            return false;
        }

        $info = $this->model->with(['user', 'goods'])->where(['id' => $id, 'mark' => 1])->first();
        $userInfo = isset($info['user']) ? $info['user'] : [];
        $goods = isset($info['goods']) ? $info['goods'] : [];
        $status = isset($info['status']) ? $info['status'] : 0;
        $orderUserId = isset($info['user_id']) ? $info['user_id'] : 0;
        $goodsId = isset($info['goods_id']) ? $info['goods_id'] : 0;
        if (empty($info) || empty($goods) || empty($userInfo) || $goodsId <= 0 || $orderUserId <= 0) {
            $this->error = '订单信息不存在或参数错误';
            return false;
        }

        if ($status != 1) {
            $this->error = '订单状态不可操作';
            return false;
        }

        // 审核通过
        if ($checkStatus == 2) {
            if ($this->model->where(['goods_id' => $goodsId, 'status' => 3, 'mark' => 1])->value('id')) {
                $this->error = '该货物订单已完成';
                return false;
            }

            if ($this->model->where(['goods_id' => $goodsId, 'status' => 2, 'mark' => 1])->value('id')) {
                $this->error = '该货物存在订单进行中，已审核通过其他司机';
                return false;
            }
        }


        DB::beginTransaction();
        if (!$this->model->where(['id' => $id])->update(['status' => $checkStatus, 'confirm_admin_id' => $adminId, 'confirm_at' => date('Y-m-d H:i:s'), 'remark' => $remark, 'update_time' => time()])) {
            DB::rollBack();
            $this->error = '订单审核失败';
            return false;
        }

        if ($checkStatus == 2 && !GoodsModel::where(['id' => $goodsId])->update(['picker_status' => 2, 'update_time' => time()])) {
            DB::rollBack();
            $this->error = '订单审核失败';
            return false;
        }

        //      // 用户数据更新
        $updateData = ['update_time' => time()];
        if ($checkStatus == 2) {
            // 接单数量
            $updateData['picker_order_num'] = DB::raw("picker_order_num + 1");
        } else {
            // 审核不过自动设置不可接单
            $updateData['picker_status'] = 2;
        }
        if (!MemberModel::where(['id' => $orderUserId])->update($updateData)) {
            DB::rollBack();
            $this->error = '订单审核失败';
            return false;
        }

        DB::commit();

        RedisService::keyDel("caches:orders:checkOrder:*");
        RedisService::keyDel("caches:members:info*");
        ActionLogModel::setRecord(session('userId'), ['type' => 1, 'title' => "订单审核", 'content' => json_encode(request()->post(), 256), 'module' => 'admin']);
        ActionLogModel::record();

        $this->error = '订单审核成功';
        return ['id' => $id];
    }

    /**
     * 订单取消
     * @return bool
     */
    public function cancel($adminId, $params)
    {
        $id = isset($params['id']) ? intval($params['id']) : 0;
        $remark = isset($params['remark']) ? trim($params['remark']) : '';

        $info = $this->model->with(['user', 'goods'])->where(['id' => $id, 'mark' => 1])->first();
        $userInfo = isset($info['user']) ? $info['user'] : [];
        $goods = isset($info['goods']) ? $info['goods'] : [];
        $status = isset($info['status']) ? $info['status'] : 0;
        $orderUserId = isset($info['user_id']) ? $info['user_id'] : 0;
        $goodsId = isset($info['goods_id']) ? $info['goods_id'] : 0;
        if (empty($info) || empty($goods) || empty($userInfo) || $goodsId <= 0 || $orderUserId <= 0) {
            $this->error = '订单信息不存在或参数错误';
            return false;
        }

        if ($status == 9) {
            $this->error = '订单已取消';
            return false;
        }

        if ($status == 3) {
            $this->error = '订单已完成';
            return false;
        }

        DB::beginTransaction();
        if (!$this->model->where(['id' => $id])->update(['status' => 9, 'confirm_admin_id' => $adminId, 'confirm_at' => date('Y-m-d H:i:s'), 'remark' => $remark, 'update_time' => time()])) {
            DB::rollBack();
            $this->error = '订单取消失败';
            return false;
        }

        $pickerOrderNum = isset($userInfo['picker_order_num']) ? $userInfo['picker_order_num'] : 0;
        if (!MemberModel::where(['id' => $orderUserId])->update(['picker_order_num' => $pickerOrderNum ? DB::raw("picker_order_num - 1") : 0, 'update_time' => time()])) {
            DB::rollBack();
            $this->error = '订单取消失败';
            return false;
        }

        if (!GoodsModel::where(['id' => $goodsId])->update(['picker_status' => 1, 'update_time' => time()])) {
            DB::rollBack();
            $this->error = '订单取消失败';
            return false;
        }

        DB::commit();

        RedisService::keyDel("caches:orders:checkOrder:*");
        ActionLogModel::setRecord(session('userId'), ['type' => 1, 'title' => "订单取消", 'content' => json_encode(request()->post(), 256), 'module' => 'admin']);
        ActionLogModel::record();

        $this->error = '订单取消成功';
        return ['id' => $id];
    }

    /**
     * 订单完成
     * @return bool
     */
    public function complete($adminId, $params)
    {
        $id = isset($params['id']) ? intval($params['id']) : 0;
        $remark = isset($params['remark']) ? trim($params['remark']) : '';

        $info = $this->model->with(['user', 'goods'])->where(['id' => $id, 'mark' => 1])->first();
        $userInfo = isset($info['user']) ? $info['user'] : [];
        $goods = isset($info['goods']) ? $info['goods'] : [];
        $status = isset($info['status']) ? $info['status'] : 0;
        $orderUserId = isset($info['user_id']) ? $info['user_id'] : 0;
        $goodsId = isset($info['goods_id']) ? $info['goods_id'] : 0;
        $bonus = isset($info['bonus']) ? $info['bonus'] : 0;
        $orderUser = isset($info['user']) ? $info['user'] : [];
        if (empty($info) || empty($goods) || empty($userInfo) || $goodsId <= 0 || $orderUserId <= 0) {
            $this->error = '订单信息不存在或参数错误';
            return false;
        }

        if ($status != 2) {
            $this->error = '订单状态不可操作';
            return false;
        }

        DB::beginTransaction();
        if (!$this->model->where(['id' => $id])->update(['status' => 3, 'confirm_admin_id' => $adminId, 'confirm_at' => date('Y-m-d H:i:s'), 'remark' => $remark, 'update_time' => time()])) {
            DB::rollBack();
            $this->error = '订单确认完成失败';
            return false;
        }

        // 收入结算
        if ($bonus > 0) {
            $updateData = [
                'balance' => DB::raw("balance + {$bonus}"),
                'income_total' => DB::raw("income_total + {$bonus}"),
                'complete_order_num' => DB::raw("complete_order_num + 1"),
                'update_time' => time()
            ];
            if (!MemberModel::where(['id' => $orderUserId])->update($updateData)) {
                DB::rollBack();
                $this->error = '订单确认完成收入结算失败';
                return false;
            }

            // 收入记录
            $balance = isset($userInfo['balance']) ? $userInfo['balance'] : 0;
            $log = [
                'user_id' => $orderUserId,
                'source_order_no' => isset($info['order_no']) ? $info['order_no'] : '',
                'type' => 1,
                'money' => $bonus,
                'before_money' => $balance,
                'date' => date('Y-m-d'),
                'create_time' => time(),
                'remark' => '订单收入',
                'status' => 1,
                'mark' => 1,
            ];
            if (!AccountLogModel::insertGetId($log)) {
                DB::rollBack();
                $this->error = '订单确认完成收入结算失败';
                return false;
            }
        }


        if (!GoodsModel::where(['id' => $goodsId])->update(['picker_status' => 3, 'update_time' => time()])) {
            DB::rollBack();
            $this->error = '订单确认完成失败';
            return false;
        }

        // 公告消息
        $realname = isset($orderUser['realname']) ? $orderUser['realname'] : '';
        $realname = $realname ? get_realname($realname) : '师傅';
        $shipperAddress = isset($goods['shipper_address']) ? get_address($goods['shipper_address']) : '';
        $receiverAddress = isset($goods['receiver_address']) ? get_address($goods['receiver_address']) : '';
        $title = "{$realname}已完成从{$shipperAddress}到{$receiverAddress}的订单";
        NoticeService::make()->saveNotice($title);

        RedisService::keyDel("caches:orders:checkOrder:*");
        ActionLogModel::setRecord(session('userId'), ['type' => 1, 'title' => "订单确认完成", 'content' => json_encode(request()->post(), 256), 'module' => 'admin']);
        ActionLogModel::record();

        DB::commit();
        $this->error = '订单确认完成成功';
        return ['id' => $id];
    }

    /**
     * 删除订单
     */
    public function delete()
    {
        $id = request()->post('id');
        if (!$id) {
            return ['code' => 1, 'msg' => '参数错误'];
        }

        if (is_array($id)) {
            $result = $this->model->whereIn('id', $id)->update(['mark' => 0]);
        } else {
            $result = $this->model->where('id', $id)->update(['mark' => 0]);
        }

        if ($result) {
            ActionLogModel::setTitle("删除订单");
            ActionLogModel::record();
            RedisService::keyDel("caches:orders:*");
            return ['code' => 0, 'msg' => '删除成功'];
        }

        return ['code' => 1, 'msg' => '删除失败'];
    }

    /**
     * 更新订单状态
     */
    public function status()
    {
        $id = request()->post('id');
        $status = request()->post('status');
        $refundStatus = request()->post('refund_status');
        $refundRemark = request()->post('refund_remark', '');

        if (!$id) {
            return ['code' => 1, 'msg' => '参数错误'];
        }

        $updateData = ['update_time' => time()];

        // 更新订单状态
        if ($status !== null) {
            $updateData['status'] = $status;

            // 如果是完成订单，计算佣金
            if ($status == 4) {
                $order = $this->model->find($id);
                if ($order) {
                    $updateData['bonus'] = round($order->pay_total * 0.05, 2);
                }
            }
        }

        // 更新退款状态
        if ($refundStatus !== null) {
            $updateData['refund_status'] = $refundStatus;
            $updateData['refund_remark'] = $refundRemark;

            // 如果同意退款，保持原订单状态不变
            // 退款状态通过 refund_status 字段管理
        }

        $result = $this->model->where('id', $id)->update($updateData);

        if ($result !== false) {
            ActionLogModel::setTitle("更新订单状态");
            ActionLogModel::record();
            RedisService::keyDel("caches:orders:*");
            return ['code' => 0, 'msg' => '操作成功'];
        }

        return ['code' => 1, 'msg' => '操作失败'];
    }

    /**
     * 完成支付
     */
    public function completePay()
    {
        $id = request()->post('id');
        $transactionId = request()->post('transaction_id', '');

        if (!$id) {
            return ['code' => 1, 'msg' => '参数错误'];
        }

        $order = $this->model->find($id);
        if (!$order) {
            return ['code' => 1, 'msg' => '订单不存在'];
        }

        if ($order->status != 1) {
            return ['code' => 1, 'msg' => '订单状态不正确'];
        }

        $updateData = [
            'status' => 2, // 已付款
            'transaction_id' => $transactionId ?: 'PAY' . time() . rand(1000, 9999),
            'update_time' => time()
        ];

        $result = $this->model->where('id', $id)->update($updateData);

        if ($result) {
            ActionLogModel::setTitle("订单完成支付");
            ActionLogModel::record();
            RedisService::keyDel("caches:orders:*");
            return ['code' => 0, 'msg' => '支付完成'];
        }

        return ['code' => 1, 'msg' => '操作失败'];
    }

    /**
     * 订单发货
     */
    public function deliverOrder()
    {
        $id = request()->post('id');
        $deliveryCompany = request()->post('delivery_company', '');
        $deliveryNo = request()->post('delivery_no', '');
        $deliveryCode = request()->post('delivery_code', '');

        if (!$id) {
            return ['code' => 1, 'msg' => '参数错误'];
        }

        $order = $this->model->find($id);
        if (!$order) {
            return ['code' => 1, 'msg' => '订单不存在'];
        }

        if ($order->status != 2) {
            return ['code' => 1, 'msg' => '订单状态不正确，只有已付款订单可以发货'];
        }

        if (!$deliveryNo) {
            return ['code' => 1, 'msg' => '请填写快递单号'];
        }

        $updateData = [
            'status' => 3, // 已发货
            'delivery_company' => $deliveryCompany,
            'delivery_no' => $deliveryNo,
            'delivery_code' => $deliveryCode,
            'update_time' => time()
        ];

        $result = $this->model->where('id', $id)->update($updateData);

        if ($result) {
            ActionLogModel::setTitle("订单发货");
            ActionLogModel::record();
            RedisService::keyDel("caches:orders:*");
            return ['code' => 0, 'msg' => '发货成功'];
        }

        return ['code' => 1, 'msg' => '操作失败'];
    }

    /**
     * 订单完成（管理后台）
     */
    public function completeOrder()
    {
        $id = request()->post('id');

        if (!$id) {
            return ['code' => 1, 'msg' => '参数错误'];
        }

        $order = $this->model->find($id);
        if (!$order) {
            return ['code' => 1, 'msg' => '订单不存在'];
        }

        if ($order->status != 3) {
            return ['code' => 1, 'msg' => '订单状态不正确，只有已发货订单可以完成'];
        }

        // 调用用户端的订单完成方法，触发收益结算等业务逻辑
        $apiOrderService = \App\Services\Api\OrderService::make();
        $result = $apiOrderService->complete($order->user_id, $id);

        if ($result) {
            ActionLogModel::setTitle("订单完成");
            ActionLogModel::record();
            RedisService::keyDel("caches:orders:*");
            return ['code' => 0, 'msg' => '确认收货成功'];
        }

        // 获取错误信息
        $error = $apiOrderService->getError();
        return ['code' => 1, 'msg' => $error ?: '操作失败', 'error' => $error];
    }

    /**
     * 取消订单
     */
    public function cancelOrder()
    {
        $id = request()->post('id');
        $cancelReason = request()->post('cancel_reason', '');

        if (!$id) {
            return ['code' => 1, 'msg' => '参数错误'];
        }

        $order = $this->model->find($id);
        if (!$order) {
            return ['code' => 1, 'msg' => '订单不存在'];
        }

        if ($order->status != 1) {
            return ['code' => 1, 'msg' => '只有待付款订单可以取消'];
        }

        $updateData = [
            'mark' => 0, // 标记为删除
            'update_time' => time()
        ];

        $result = $this->model->where('id', $id)->update($updateData);

        if ($result) {
            ActionLogModel::setTitle("取消订单");
            ActionLogModel::record();
            RedisService::keyDel("caches:orders:*");
            return ['code' => 0, 'msg' => '订单已取消'];
        }

        return ['code' => 1, 'msg' => '操作失败'];
    }

    /**
     * 申请退款
     */
    public function applyRefund()
    {
        $id = request()->post('id');
        $afterType = request()->post('after_type', 2); // 默认退款
        $afterRealname = request()->post('after_realname', '');
        $afterPhone = request()->post('after_phone', '');
        $afterRemark = request()->post('after_remark', '');

        if (!$id) {
            return ['code' => 1, 'msg' => '参数错误'];
        }

        if (!$afterRealname) {
            return ['code' => 1, 'msg' => '请填写联系人姓名'];
        }

        if (!$afterPhone) {
            return ['code' => 1, 'msg' => '请填写联系电话'];
        }

        if (!$afterRemark) {
            return ['code' => 1, 'msg' => '请填写退款原因'];
        }

        $order = $this->model->find($id);
        if (!$order) {
            return ['code' => 1, 'msg' => '订单不存在'];
        }

        // 只有已付款、已发货、已完成的订单可以申请退款
        if (!in_array($order->status, [2, 3, 4])) {
            return ['code' => 1, 'msg' => '该订单状态不允许申请退款'];
        }

        if ($order->refund_status != 0) {
            return ['code' => 1, 'msg' => '该订单已申请过退款'];
        }

        $updateData = [
            'refund_status' => 3, // 待审核
            'after_type' => $afterType, // 1-售后，2-退款
            'after_realname' => $afterRealname,
            'after_phone' => $afterPhone,
            'after_remark' => $afterRemark,
            'update_time' => time()
        ];

        $result = $this->model->where('id', $id)->update($updateData);

        if ($result) {
            $typeText = $afterType == 1 ? '售后' : '退款';
            ActionLogModel::setTitle("申请{$typeText}");
            ActionLogModel::record();
            RedisService::keyDel("caches:orders:*");
            return ['code' => 0, 'msg' => "{$typeText}申请已提交"];
        }

        return ['code' => 1, 'msg' => '操作失败'];
    }

    /**
     * 同意退款（审核通过，状态变为已审核）
     */
    public function agreeRefund()
    {
        $id = request()->post('id');
        $refundRemark = request()->post('refund_remark', '');

        if (!$id) {
            return ['code' => 1, 'msg' => '参数错误'];
        }

        $order = $this->model->find($id);
        if (!$order) {
            return ['code' => 1, 'msg' => '订单不存在'];
        }

        if ($order->refund_status != 3) {
            return ['code' => 1, 'msg' => '该订单未申请退款或已处理'];
        }

        $updateData = [
            'refund_status' => 2, // 已审核（待确认退款）
            'refund_remark' => $refundRemark ?: '退款申请已通过，待确认退款',
            'update_time' => time()
        ];

        $result = $this->model->where('id', $id)->update($updateData);

        if ($result) {
            ActionLogModel::setTitle("同意退款");
            ActionLogModel::record();
            RedisService::keyDel("caches:orders:*");
            return ['code' => 0, 'msg' => '已同意退款，请确认退款'];
        }

        return ['code' => 1, 'msg' => '操作失败'];
    }

    /**
     * 确认退款（最终完成退款）
     */
    public function confirmRefund()
    {
        $id = request()->post('id');
        $refundAmount = request()->post('refund_amount', 0);

        if (!$id) {
            return ['code' => 1, 'msg' => '参数错误'];
        }

        if ($refundAmount <= 0) {
            return ['code' => 1, 'msg' => '请输入退款金额'];
        }

        $order = $this->model->find($id);
        if (!$order) {
            return ['code' => 1, 'msg' => '订单不存在'];
        }

        // 允许待审核(3)和已审核(2)状态的订单进行退款
        if (!in_array($order->refund_status, [2, 3])) {
            return ['code' => 1, 'msg' => '该订单状态不允许退款'];
        }

        if ($refundAmount > $order->pay_total) {
            return ['code' => 1, 'msg' => '退款金额不能大于订单金额'];
        }

        // 使用事务
        DB::beginTransaction();
        try {
            // 调用支付服务退款
            $paymentService = \App\Services\PaymentService::make();
            $refundData = [
                'money' => $refundAmount,
                'pay_type' => $order->pay_type,
                'order_no' => $order->order_no,
                'out_trade_no' => $order->out_trade_no,
                'transaction_id' => $order->transaction_id,
                'remark' => '订单退款'
            ];

            $refundResult = $paymentService->refund($refundData, 'store');
            if (!$refundResult) {
                DB::rollBack();
                return ['code' => 1, 'msg' => '退款失败：' . $paymentService->getError() ?: '退款失败'];
            }

            // 更新订单状态
            $updateData = [
                'refund_status' => 1, // 已退款
                'refund_amount' => $refundAmount,
                'update_time' => time()
            ];

            $result = $this->model->where('id', $id)->update($updateData);

            if ($result) {
                DB::commit();
                ActionLogModel::setTitle("确认退款");
                ActionLogModel::record();
                RedisService::keyDel("caches:orders:*");
                return ['code' => 0, 'msg' => '退款成功'];
            }

            DB::rollBack();
            return ['code' => 1, 'msg' => '更新订单状态失败'];
        } catch (\Exception $e) {
            DB::rollBack();
            return ['code' => 1, 'msg' => '退款失败：' . $e->getMessage()];
        }
    }

    /**
     * 拒绝退款
     */
    public function rejectRefund()
    {
        $id = request()->post('id');
        $refundRemark = request()->post('refund_remark', '');

        if (!$id) {
            return ['code' => 1, 'msg' => '参数错误'];
        }

        if (!$refundRemark) {
            return ['code' => 1, 'msg' => '请填写拒绝原因'];
        }

        $order = $this->model->find($id);
        if (!$order) {
            return ['code' => 1, 'msg' => '订单不存在'];
        }

        if ($order->refund_status != 3) {
            return ['code' => 1, 'msg' => '该订单未申请退款或已处理'];
        }

        $updateData = [
            'refund_status' => 4, // 审核驳回
            'refund_remark' => $refundRemark,
            'update_time' => time()
        ];

        $result = $this->model->where('id', $id)->update($updateData);

        if ($result) {
            ActionLogModel::setTitle("拒绝退款");
            ActionLogModel::record();
            RedisService::keyDel("caches:orders:*");
            return ['code' => 0, 'msg' => '已拒绝退款'];
        }

        return ['code' => 1, 'msg' => '操作失败'];
    }

    /**
     * 订单统计
     * @param int $storeId 商户ID，0表示平台管理员查看全部数据
     */
    public function getStatistics($storeId = 0)
    {
        // 总订单数
        $total = $this->model->where('mark', 1)
            ->when($storeId > 0, function ($query) use ($storeId) {
                return $query->where('store_id', $storeId);
            })
            ->count();

        // 总交易额（已完成订单）
        $totalAmount = $this->model->where('mark', 1)
            ->where('status', 4)
            ->when($storeId > 0, function ($query) use ($storeId) {
                return $query->where('store_id', $storeId);
            })
            ->sum('pay_total');

        // 待处理订单（待付款 + 已付款）
        $pending = $this->model->where('mark', 1)
            ->whereIn('status', [1, 2])
            ->when($storeId > 0, function ($query) use ($storeId) {
                return $query->where('store_id', $storeId);
            })
            ->count();

        // 待退款订单
        $refunding = $this->model->where('mark', 1)
            ->where('refund_status', 3)
            ->when($storeId > 0, function ($query) use ($storeId) {
                return $query->where('store_id', $storeId);
            })
            ->count();

        return [
            'code' => 0,
            'msg' => '操作成功',
            'data' => [
                'total' => $total,
                'totalAmount' => number_format($totalAmount, 2, '.', ''),
                'pending' => $pending,
                'refunding' => $refunding
            ]
        ];
    }

    /**
     * 导出订单数据
     */
    public function exportData($params)
    {
        $query = $this->model->where('mark', 1);

        // 店铺筛选
        if (isset($params['store_id']) && $params['store_id'] > 0) {
            $query->where('store_id', $params['store_id']);
        }

        // 用户筛选
        if (isset($params['user_id']) && $params['user_id'] > 0) {
            $query->where('user_id', $params['user_id']);
        }

        // 状态筛选
        if (isset($params['status']) && $params['status'] > 0) {
            $query->where('status', $params['status']);
        }

        // 售后类型筛选
        if (isset($params['after_type']) && $params['after_type'] > 0) {
            $query->where('after_type', $params['after_type']);
        }

        // 退款状态筛选
        if (isset($params['refund_status']) && $params['refund_status'] > 0) {
            $query->where('refund_status', $params['refund_status']);
        }

        // 关键词搜索
        if (isset($params['keyword']) && $params['keyword']) {
            $keyword = $params['keyword'];
            $query->where(function ($q) use ($keyword) {
                $q->where('order_no', 'like', '%' . $keyword . '%')
                    ->orWhere('receiver_name', 'like', '%' . $keyword . '%')
                    ->orWhere('receiver_mobile', 'like', '%' . $keyword . '%');
            });
        }

        $list = $query->with(['user', 'orderGoods', 'store'])
            ->orderBy('create_time', 'desc')
            ->limit(5000)
            ->get();

        if (!$list || $list->isEmpty()) {
            return response()->json(['code' => 1, 'msg' => '没有可导出的数据']);
        }

        // 状态映射
        $statusMap = [1 => '待付款', 2 => '已付款', 3 => '已发货', 4 => '已完成', 9 => '已取消'];
        $refundStatusMap = [0 => '无', 1 => '已退款', 2 => '已审核', 3 => '待审核'];

        // 构建导出数据
        $data = [];
        foreach ($list as $item) {
            $goodsNames = [];
            if ($item->orderGoods) {
                foreach ($item->orderGoods as $goods) {
                    $goodsNames[] = $goods->goods_name . ' x' . $goods->num;
                }
            }

            $data[] = [
                $item->order_no,
                $item->user->nickname ?? '',
                $item->user->mobile ?? '',
                implode('；', $goodsNames),
                $item->total ?? 0,
                $item->pay_total ?? 0,
                $statusMap[$item->status] ?? '未知',
                $refundStatusMap[$item->refund_status] ?? '无',
                $item->receiver_name ?? '',
                $item->receiver_mobile ?? '',
                $item->receiver_address ?? '',
                $item->create_time ? date('Y-m-d H:i:s', strtotime($item->create_time)) : '',
            ];
        }

        $headings = ['订单号', '用户昵称', '用户手机', '商品信息', '订单金额', '实付金额', '订单状态', '退款状态', '收货人', '收货电话', '收货地址', '下单时间'];

        $export = new \App\Exports\Export($data, $headings, '订单列表');
        $filename = '订单列表_' . date('YmdHis') . '.xlsx';

        return \Maatwebsite\Excel\Facades\Excel::download($export, $filename);
    }
}