<?php

namespace App\Services\Common;

use App\Models\BalanceLogModel;
use App\Models\MemberModel;
use App\Models\AgentModel;
use App\Models\StoreModel;
use App\Services\BaseService;
use Illuminate\Support\Facades\DB;

/**
 * 统一余额日志服务（充值/提现）
 * 支持会员、代理、商户的充值和提现记录
 */
class BalanceLogsService extends BaseService
{
    /**
     * 获取列表
     * @param array $params 请求参数
     * @param int $currentUserId 当前用户的 member_id（member 表的 ID），用于数据隔离
     */
    public function getList($params = [], $currentUserId = null)
    {
        // 获取参数
        if (empty($params)) {
            $params = request()->all();
        }

        $page = $params['page'] ?? 1;
        $limit = $params['limit'] ?? 20;
        $keyword = $params['keyword'] ?? '';
        $user_id = $params['user_id'] ?? '';
        $status = $params['status'] ?? '';
        $type = $params['type'] ?? ''; // 1-充值，2-提现
        $accountType = $params['account_type'] ?? ''; // 1-会员，2-代理，3-商户
        $startTime = $params['start_time'] ?? '';
        $endTime = $params['end_time'] ?? '';

        $query = BalanceLogModel::where('mark', 1);

        // 数据隔离：只查询当前用户的记录（基于 member 表的 user_id）
        if ($currentUserId) {
            $query->where('user_id', $currentUserId);
        }

        // 类型筛选
        if ($type !== '') {
            $query->where('type', $type);
        }

        // 账户类型筛选
        if ($accountType !== '') {
            $query->where('account_type', $accountType);
        }

        // 关键词搜索（订单号、姓名、手机号）
        if (!empty($keyword)) {
            $query->where(function($q) use ($keyword) {
                $q->where('order_no', 'like', "%{$keyword}%")
                  ->orWhere('realname', 'like', "%{$keyword}%")
                  ->orWhereHas('user', function($sq) use ($keyword) {
                      $sq->where('realname', 'like', "%{$keyword}%")
                        ->orWhere('nickname', 'like', "%{$keyword}%")
                        ->orWhere('mobile', 'like', "%{$keyword}%");
                  });
            });
        }

        if(!empty($user_id)){
            $query->where("user_id", $user_id);
        }

        // 状态筛选
        if ($status !== '') {
            $query->where('status', $status);
        }

        // 时间范围
        if (!empty($startTime)) {
            $query->where('create_time', '>=', strtotime($startTime));
        }
        if (!empty($endTime)) {
            $query->where('create_time', '<=', strtotime($endTime . ' 23:59:59'));
        }

        // 打印 SQL 语句用于调试
        \Log::info('BalanceLogsService getList SQL: ' . $query->toSql());
        \Log::info('BalanceLogsService getList Bindings: ' . json_encode($query->getBindings()));

        $total = $query->count();
        $list = $query->with(['user:id,realname,nickname,mobile,user_type'])
            ->orderBy('create_time', 'desc')
            ->offset(($page - 1) * $limit)
            ->limit($limit)
            ->get()
            ->toArray();

        // 格式化数据
        foreach ($list as &$item) {
            $item['money'] = number_format($item['money'], 2, '.', '');
            $item['actual_money'] = number_format($item['actual_money'], 2, '.', '');
            $item['create_time_text'] = date('Y-m-d H:i:s', $item['create_time']);
            $item['update_time_text'] = date('Y-m-d H:i:s', $item['update_time']);
            $item['status_text'] = $this->getStatusText($item['status']);
            $item['pay_type_text'] = $this->getPayTypeText($item['pay_type']);
            $item['account_type_text'] = $this->getAccountTypeText($item['account_type']);
            $item['type_text'] = $item['type'] == 1 ? '充值' : '提现';

            // 根据账户类型添加额外信息
            if (isset($item['user'])) {
                $item['user_realname'] = $item['user']['realname'] ?? '';
                $item['user_nickname'] = $item['user']['nickname'] ?? '';
                $item['user_mobile'] = $item['user']['mobile'] ?? '';
                $item['user_type'] = $item['user']['user_type'] ?? 0;
            }
        }

        return [
            'code' => 0,
            'msg' => '获取成功',
            'data' => $list,
            'count' => $total
        ];
    }

    /**
     * 获取详情
     * @param int $id 记录ID
     * @param int $currentUserId 当前用户的 member_id（member 表的 ID），用于数据隔离
     */
    public function getInfo($id = null, $currentUserId = null)
    {
        // 如果没有传入ID，从请求中获取
        if ($id === null) {
            $id = request()->input('id');
        }

        $query = BalanceLogModel::where('id', $id)
            ->where('mark', 1);

        // 数据隔离：只能查看自己的记录（基于 member 表的 user_id）
        if ($currentUserId) {
            $query->where('user_id', $currentUserId);
        }

        $info = $query->with(['user:id,realname,nickname,mobile,user_type'])
            ->first();

        if (!$info) {
            return ['code' => 1, 'msg' => '记录不存在或无权访问'];
        }

        $info = $info->toArray();
        $info['money'] = number_format($info['money'], 2, '.', '');
        $info['actual_money'] = number_format($info['actual_money'], 2, '.', '');
        $info['create_time_text'] = date('Y-m-d H:i:s', $info['create_time']);
        $info['update_time_text'] = date('Y-m-d H:i:s', $info['update_time']);
        $info['status_text'] = $this->getStatusText($info['status']);
        $info['pay_type_text'] = $this->getPayTypeText($info['pay_type']);
        $info['account_type_text'] = $this->getAccountTypeText($info['account_type']);
        $info['type_text'] = $info['type'] == 1 ? '充值' : '提现';

        // 根据账户类型添加额外信息
        if (isset($info['user'])) {
            $info['user_realname'] = $info['user']['realname'] ?? '';
            $info['user_nickname'] = $info['user']['nickname'] ?? '';
            $info['user_mobile'] = $info['user']['mobile'] ?? '';
            $info['user_type'] = $info['user']['user_type'] ?? 0;
        }

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

    /**
     * 提交结算申请（商家/代理/会员提交）
     */
    public function apply($data)
    {
        try {
            $money = $data['money'] ?? 0;
            $account = $data['account'] ?? '';
            if($money<=0){
                return [
                    'code' => 1,
                    'msg' => '请输入提现金额'
                ];
            }

            if(empty($account)){
                return [
                    'code' => 1,
                    'msg' => '请输入提现账户'
                ];
            }

            $storeInfo = StoreModel::where(['user_id'=>$data['user_id']])->select(['id','balance','status'])
                ->first();
            $balance = isset($storeInfo['balance'])?$storeInfo['balance'] : 0;
            $status = isset($storeInfo['status'])?$storeInfo['status'] : 0;
            if(empty($storeInfo) || $status != 1){
                return [
                    'code' => 1,
                    'msg' => '商家账户不存在或已冻结，请联系客服'
                ];
            }

            if($balance<$money){
                return [
                    'code' => 1,
                    'msg' => '商家可提现余额不足'
                ];
            }

            // 扣除余额
            DB::beginTransaction();
            if(!StoreModel::where(['user_id'=>$data['user_id']])->update(['balance'=>DB::raw("balance - {$money}"),'update_time'=>time()])){
                DB::rollBack();
                return [
                    'code' => 1,
                    'msg' => '商家可提现余额不足'
                ];
            }

            // 生成订单号
            $orderNo = 'BL' . date('YmdHis') . rand(1000, 9999);
            $record = new BalanceLogModel();
            $record->order_no = $orderNo;
            $record->user_id = $data['user_id'] ?? 0; // 选择的用户ID
            $record->type = $data['type'] ?? 2; // 1-充值，2-提现
            $record->account_type = $data['account_type'] ?? 1;
            $record->realname = $data['realname'] ?? '';
            $record->money = $money;
            $record->actual_money = $data['money'] ?? 0; // 默认实际到账等于申请金额
            $record->pay_type = $data['pay_type'] ?? 10;
            $record->account = $account;
            $record->account_remark = $data['account_remark'] ?? '';
            $record->pay_status = 10; // 10-待支付
            $record->status = 1; // 1-待审核
            $record->date = date('Y-m-d H:i:s');
            $record->create_time = time();
            $record->update_time = time();
            $record->mark = 1;

            $record->save();

            DB::commit();
            return [
                'code' => 0,
                'msg' => '申请提交成功',
                'data' => ['order_no' => $orderNo]
            ];
        } catch (\Exception $e) {
            return [
                'code' => 1,
                'msg' => '提交失败：' . $e->getMessage()
            ];
        }
    }

    /**
     * 审核结算申请（管理员审核）
     */
    public function audit($id = null, $status = null, $actualMoney = null, $remark = '', $payImg = '')
    {
        // 如果没有传入参数，从请求中获取
        if ($id === null) {
            $params = request()->all();
            $id = $params['id'] ?? null;
            $status = $params['status'] ?? null;
            $actualMoney = $params['actual_money'] ?? null;
            $remark = $params['confirm_remark'] ?? ($params['remark'] ?? '');
            $payImg = $params['pay_img'] ?? '';
        }

        if (empty($id) || !in_array($status, [2, 3])) {
            return ['code' => 1, 'msg' => '参数错误'];
        }

        DB::beginTransaction();
        try {
            $record = BalanceLogModel::where('id', $id)
                ->where('mark', 1)
                ->lockForUpdate()
                ->first();

            if (!$record) {
                throw new \Exception('申请记录不存在');
            }

            if ($record->status != 1) {
                throw new \Exception('该记录已处理，无法重复审核');
            }

            // 更新状态
            $record->status = $status;
            $record->confirm_remark = $remark;
            $record->update_time = time();

            // 更新实际到账金额
            if ($actualMoney !== null) {
                $record->actual_money = $actualMoney;
            }

            // 如果是通过，更新支付状态和打款凭证
            if ($status == 2) {
                $record->pay_status = 20; // 20-已支付
                $record->pay_at = date('Y-m-d H:i:s');
                if (!empty($payImg)) {
                    $record->pay_img = $payImg;
                }

                // 如果是代理提现审核通过，更新代理表的累计提现金额
                if ($record->account_type == 2 && $record->type == 2) {
                    $this->updateAgentWithdrawTotal($record);
                }
            }

            $record->save();

            // 如果是驳回且是提现，退回金额
            if ($status == 3 && $record->type == 2) {
                $this->refundBalance($record);
            }

            DB::commit();

            return ['code' => 0, 'msg' => '审核成功'];
        } catch (\Exception $e) {
            DB::rollBack();
            return ['code' => 1, 'msg' => '审核失败：' . $e->getMessage()];
        }
    }

    /**
     * 更新代理表的累计提现金额
     */
    private function updateAgentWithdrawTotal($record)
    {
        // 查找代理记录
        $agent = AgentModel::where('user_id', $record->user_id)
            ->where('mark', 1)
            ->first();

        if ($agent) {
            // 累加提现金额到 withdraw_total
            $agent->withdraw_total = bcadd($agent->withdraw_total ?? 0, $record->actual_money, 2);
            $agent->save();
        }
    }

    /**
     * 退回余额（根据账户类型退回到对应的表）
     */
    private function refundBalance($record)
    {
        switch ($record->account_type) {
            case 1: // 会员账户
                $user = MemberModel::find($record->user_id);
                if ($user) {
                    $user->balance = bcadd($user->balance, $record->money, 2);
                    $user->save();
                }
                break;
                
            case 2: // 代理账户
                $agent = AgentModel::where('user_id', $record->user_id)
                    ->where('mark', 1)
                    ->first();
                if ($agent) {
                    $agent->balance = bcadd($agent->balance, $record->money, 2);
                    $agent->save();
                }
                break;
                
            case 3: // 商户账户
                $store = StoreModel::where('user_id', $record->user_id)
                    ->where('mark', 1)
                    ->first();
                if ($store) {
                    $store->balance = bcadd($store->balance, $record->money, 2);
                    $store->save();
                }
                break;
        }
    }

    /**
     * 删除记录
     * @param int $id 记录ID
     * @param int $currentUserId 当前用户的 member_id（member 表的 ID），用于数据隔离
     */
    public function delete($id = null, $currentUserId = null)
    {
        // 获取参数
        if ($id === null) {
            $id = request()->input('id');
        }

        $query = BalanceLogModel::where('id', $id)
            ->where('mark', 1);

        // 数据隔离：只能删除自己的记录（基于 member 表的 user_id）
        if ($currentUserId) {
            $query->where('user_id', $currentUserId);
        }

        $record = $query->first();

        if (!$record) {
            return ['code' => 1, 'msg' => '记录不存在或无权删除'];
        }

        if ($record->status == 1) {
            return ['code' => 1, 'msg' => '待审核的记录不能删除'];
        }

        $record->mark = 0;
        $record->save();

        return ['code' => 0, 'msg' => '删除成功'];
    }

    /**
     * 批量删除
     * @param array $ids 记录ID数组
     * @param int $currentUserId 当前用户的 member_id（member 表的 ID），用于数据隔离
     */
    public function deleteAll($ids = null, $currentUserId = null)
    {
        // 如果没有传入参数，从请求中获取
        if ($ids === null) {
            $ids = request()->input('ids', []);
        }

        $query = BalanceLogModel::whereIn('id', $ids)
            ->where('mark', 1)
            ->where('status', '!=', 1);

        // 数据隔离：只能删除自己的记录（基于 member 表的 user_id）
        if ($currentUserId) {
            $query->where('user_id', $currentUserId);
        }

        $count = $query->update(['mark' => 0]);

        return [
            'code' => 0,
            'msg' => "成功删除{$count}条记录"
        ];
    }

    /**
     * 获取状态文本
     */
    private function getStatusText($status)
    {
        $statusMap = [
            -1 => '已取消',
            1 => '待审核',
            2 => '已审核/到账',
            3 => '审核失败'
        ];
        return $statusMap[$status] ?? '未知';
    }

    /**
     * 获取支付方式文本
     */
    private function getPayTypeText($payType)
    {
        $payTypeMap = [
            10 => '微信',
            20 => '支付宝',
            50 => '银行卡'
        ];
        return $payTypeMap[$payType] ?? '未知';
    }

    /**
     * 获取账户类型文本
     */
    private function getAccountTypeText($accountType)
    {
        $accountTypeMap = [
            1 => '会员',
            2 => '代理',
            3 => '商户'
        ];
        return $accountTypeMap[$accountType] ?? '未知';
    }

    /**
     * 获取代理等级文本
     */
    private function getAgentLevelText($level)
    {
        $levelMap = [
            1 => '一级代理',
            2 => '二级代理',
            3 => '三级代理'
        ];
        return $levelMap[$level] ?? '未知';
    }
}