<?php

namespace app\admin\controller\order;

use app\common\controller\Backend;
use think\facade\Db;

class Withdrawal extends Backend
{
    protected array $noNeedLogin = ['*'];

    /**
     * 提现申请列表
     * @return void
     */
    public function index(): void
    {
        $where = [];

        // 申请人搜索
        if (!empty($this->request->get('applicant_name'))) {
            $applicantName = $this->request->get('applicant_name');
            $where[] = ['u.name', 'like', '%' . $applicantName . '%'];
        }

        // 状态筛选
        if ($this->request->get('status') !== '' && $this->request->get('status') !== null) {
            $where['wr.status'] = $this->request->get('status');
        }

        // 提现方式筛选
        if (!empty($this->request->get('withdrawal_method'))) {
            $where['wr.withdrawal_method'] = $this->request->get('withdrawal_method');
        }

        //查询时间范围
        $star_time = $this->request->get('star_time');
        $end_time = $this->request->get('end_time');
        if (!empty($star_time) && !empty($end_time)) {
        $where[] = ['wr.create_time', 'between', [$star_time, $end_time], 'AND'];
        }


        // 排序
        $order = [];
        if (!empty($this->request->get('order'))) {
            $order_a = $this->request->get('order');
            $order_a = explode(',', $order_a);
            $order[$order_a[0]] = $order_a[1];
        } else {
            $order['wr.create_time'] = 'desc';
        }

        // 分页
        $page = $this->request->get('page', 1);
        $limit = $this->request->get('limit', 20);

        // 查询数据
        $withdrawalList = Db::name('withdrawal_record')
            ->alias('wr')
            ->leftJoin('user_on u', 'wr.user_id = u.id')
            ->field('
                wr.id,
                u.name,
                wr.amount,
                wr.current_balance,
                wr.withdrawal_method,
                wr.status,
                wr.create_time,
                wr.audit_time,
                wr.audit_remark,
                wr.user_id,
                wr.withdrawal_no
            ')
            ->where($where)
            ->order($order)
            ->paginate([
                'list_rows' => $limit,
                'page' => $page
            ]);

        // 转换字段格式
        $list = $withdrawalList->items();
        foreach ($list as &$item) {
            // 提现方式转换
            $item['withdrawal_method'] = $this->getWithdrawalMethodText($item['withdrawal_method']);

            // 状态转换
            $item['status_text'] = $this->getStatusText($item['status']);

            // 格式化金额
            $item['amount'] = number_format($item['amount'], 2);
            $item['current_balance'] = number_format($item['current_balance'], 2);

            // 格式化时间
            if ($item['create_time']) {
                $item['create_time'] = date('Y-m-d H:i:s', strtotime($item['create_time']));
            }
            if ($item['audit_time']) {
                $item['audit_time'] = date('Y-m-d H:i:s', strtotime($item['audit_time']));
            }
        }

        $this->success('查询成功', [
            'list' => $list,
            'total' => $withdrawalList->total()
        ]);
    }

    /**
     * 审核通过
     * @return void
     */
    public function approve(): void
    {
        $id = $this->request->post('id');
        $auditRemark = $this->request->post('audit_remark', '');

        if (empty($id)) {
            $this->error(__('参数错误'));
        }

        try {
            Db::startTrans();

            // 获取提现记录
            $withdrawalRecord = Db::name('withdrawal_record')
                ->where('id', $id)
                ->lock(true)
                ->find();

            if (!$withdrawalRecord) {
                throw new \Exception('提现记录不存在');
            }

            if ($withdrawalRecord['status'] != 0) {
                throw new \Exception('只有待审核的记录才能审核');
            }

            // 检查用户佣金是否足够
            $userCommission = Db::name('user_commission')
                ->where('user_id', $withdrawalRecord['user_id'])
                ->lock(true)
                ->find();
            if (!$userCommission || $userCommission['current_commission'] < $withdrawalRecord['amount']) {
                throw new \Exception('用户佣金不足');
            }

            // 更新提现记录状态
            $updateData = [
                'status' => 1, // 审核通过
                'auditor_id' => $this->auth->id ?? 0,
                'audit_time' => date('Y-m-d H:i:s'),
                'audit_remark' => $auditRemark,
                'balance_after' => Db::raw('current_balance - ' . $withdrawalRecord['amount']),
                'update_time' => date('Y-m-d H:i:s')
            ];

            $result = Db::name('withdrawal_record')
                ->where('id', $id)
                ->update($updateData);

            if (!$result) {
                throw new \Exception('更新提现记录失败');
            }

            // 更新用户佣金（扣除已提现金额）
            Db::name('user_commission')
                ->where('user_id', $withdrawalRecord['user_id'])
                ->update([
                    'current_commission' => Db::raw('current_commission - ' . $withdrawalRecord['amount']),
                    'update_time' => date('Y-m-d H:i:s')
                ]);

            Db::commit();


        } catch (\Exception $e) {
            Db::rollback();
            $this->error('审核失败: ' . $e->getMessage());
        }

        $this->success('审核通过');
    }

    /**
     * 审核拒绝
     * @return void
     */
    public function reject(): void
    {
        $id = $this->request->post('id');
        $auditRemark = $this->request->post('audit_remark', '');

        if (empty($id)) {
            $this->error(__('参数错误'));
        }

        if (empty($auditRemark)) {
            $this->error(__('请填写拒绝原因'));
        }

        try {
            // 获取提现记录
            $withdrawalRecord = Db::name('withdrawal_record')
                ->where('id', $id)
                ->find();
            if (!$withdrawalRecord) {
                throw new \Exception ('提现记录不存在');
            }

            if ($withdrawalRecord['status'] != 0) {
                throw new \Exception ('只有待审核的记录才能审核');
            }
            // 更新提现记录状态
            $result = Db::name('withdrawal_record')
                ->where('id', $id)
                ->update([
                    'status' => 2, // 审核拒绝
                    'auditor_id' => $this->auth->id ?? 0,
                    'audit_time' => date('Y-m-d H:i:s'),
                    'audit_remark' => $auditRemark,
                    'update_time' => date('Y-m-d H:i:s')
                ]);

        } catch (\Exception $e) {
            $this->error('操作失败: ' . $e->getMessage());
        }
        if ($result) {
            $this->success('审核拒绝成功');
        } else {
            $this->error(__('审核拒绝失败'));
        }
    }

    /**
     * 获取提现方式文本
     * @param string $method
     * @return string
     */
    private function getWithdrawalMethodText(string $method): string
    {
        $map = [
            'wechat' => '微信',
            'alipay' => '支付宝',
            'bank' => '银行卡'
        ];
        return $map[$method] ?? $method;
    }

    /**
     * 获取状态文本
     * @param int $status
     * @return string
     */
    private function getStatusText(int $status): string
    {
        $map = [
            0 => '待审核',
            1 => '审核通过',
            2 => '审核拒绝',
            3 => '已打款',
            4 => '打款失败'
        ];
        return $map[$status] ?? '未知';
    }

    /**
     * 获取提现状态选项
     * @return void
     */
    public function statusOptions(): void
    {
        $options = [
            ['value' => 0, 'label' => '待审核'],
            ['value' => 1, 'label' => '审核通过'],
            ['value' => 2, 'label' => '审核拒绝'],
            ['value' => 3, 'label' => '已打款'],
            ['value' => 4, 'label' => '打款失败']
        ];

        $this->success('获取成功', $options);
    }

    /**
     * 获取提现方式选项
     * @return void
     */
    public function methodOptions(): void
    {
        $options = [
            ['value' => 'wechat', 'label' => '微信'],
            ['value' => 'alipay', 'label' => '支付宝'],
            ['value' => 'bank', 'label' => '银行卡']
        ];

        $this->success('获取成功', $options);
    }

    /**
     * 提现统计
     * @return void
     */
    public function statistics(): void
    {
        // 总提现申请数
        $totalCount = Db::name('withdrawal_record')->count();

        // 待审核数
        $pendingCount = Db::name('withdrawal_record')
            ->where('status', 0)
            ->count();

        // 已通过数
        $approvedCount = Db::name('withdrawal_record')
            ->where('status', 1)
            ->count();

        // 已拒绝数
        $rejectedCount = Db::name('withdrawal_record')
            ->where('status', 2)
            ->count();

        // 总提现金额
        $totalAmount = Db::name('withdrawal_record')
            ->where('status', 1) // 只计算审核通过的
            ->sum('amount');

        // 今日提现统计
        $todayStart = date('Y-m-d 00:00:00');
        $todayEnd = date('Y-m-d 23:59:59');
        $todayCount = Db::name('withdrawal_record')
            ->whereBetween('create_time', [$todayStart, $todayEnd])
            ->count();

        $todayAmount = Db::name('withdrawal_record')
            ->whereBetween('create_time', [$todayStart, $todayEnd])
            ->where('status', 1)
            ->sum('amount');

        $stats = [
            'total_count' => $totalCount,
            'pending_count' => $pendingCount,
            'approved_count' => $approvedCount,
            'rejected_count' => $rejectedCount,
            'total_amount' => number_format($totalAmount ?? 0, 2),
            'today_count' => $todayCount,
            'today_amount' => number_format($todayAmount ?? 0, 2)
        ];

        $this->success('获取成功', $stats);
    }
}