<?php
declare (strict_types = 1);

namespace app\model;

use think\Model;
use think\facade\Db;

/**
 * 转账记录模型
 */
class TransferLogModel extends Model
{
    protected $name = 'merchants_user_balance_transfer_logs';
    protected $connection = 'fortue_tiger';
    protected $pk = 'id';
    
    // 状态常量
    const STATUS_FAILED = 0;        // 失败
    const STATUS_SUCCESS = 1;       // 成功
    const STATUS_PENDING = 2;       // 待处理
    
    /**
     * 获取转账记录列表
     */
    public static function getTransferLogs($merchantId, $page = 1, $limit = 20, $filters = [])
    {
        $where = [
            ['app_id', '=', $merchantId]
        ];
        
        // 时间筛选
        if (!empty($filters['start_time'])) {
            $startTime = strtotime($filters['start_time'] . ' 00:00:00');
            $where[] = ['create_time', '>=', $startTime];
        }
        
        if (!empty($filters['end_time'])) {
            $endTime = strtotime($filters['end_time'] . ' 23:59:59');
            $where[] = ['create_time', '<=', $endTime];
        }
        
        // 平台ID筛选
        if (!empty($filters['platform_id'])) {
            $where[] = ['user_id', '=', $filters['platform_id']];
        }
        
        // 状态筛选
        if ($filters['status'] !== '') {
            $where[] = ['status', '=', $filters['status']];
        }
        
        // 转账流水号筛选
        if (!empty($filters['tx_id'])) {
            $where[] = ['tx_id', 'like', '%' . $filters['tx_id'] . '%'];
        }
        
        $query = self::where($where);
        
        // 统计总数
        $total = $query->count();
        
        // 获取列表数据
        $list = $query->field([
                'id', 'user_id', 'uname', 'tx_id', 'ptx_id', 'amount',
                'prev_amount', 'next_amount', 'status', 'ip', 
                'message', 'create_time'
            ])
            ->order('create_time', 'desc')
            ->page($page, $limit)
            ->select()
            ->toArray();
        
        // 获取用户信息
        $userIds = array_unique(array_column($list, 'user_id'));
        $userMap = [];
        if (!empty($userIds)) {
            // 从用户表获取用户信息
            $users = Db::connect('merchant_admin')
                ->table('merchant_user')
                ->whereIn('user_id', $userIds)
                ->field('user_id, nick_name')
                ->select();
            
            foreach ($users as $user) {
                $userMap[$user['user_id']] = $user['nick_name'];
            }
        }
        
        // 格式化数据
        foreach ($list as &$item) {            
            // 格式化金额（分转元）
            $item['amount'] = bcdiv($item['amount'], "100", 2);
            $item['prev_amount'] = bcdiv($item['prev_amount'], "100", 2);
            $item['next_amount'] = bcdiv($item['next_amount'], "100", 2);
            
            // 状态文本
            $item['status_text'] = self::getStatusText($item['status']);
            
            // 商户名称
            $item['merchant_name'] = $userMap[$item['user_id']] ?? '';
            
            // 平台昵称（从uname获取）
            $item['platform_nickname'] = '玩家' . $item['uname'];
        }
        
        return [
            'list' => $list,
            'total' => $total,
            'page' => $page,
            'limit' => $limit
        ];
    }
    
    /**
     * 获取转账记录详情
     */
    public static function getTransferDetail($id, $appId)
    {
        $transfer = self::where('id', $id)
            ->where('app_id', $appId)
            ->find();
            
        if (!$transfer) {
            return null;
        }
        
        $transfer = $transfer->toArray();
        
        // 格式化数据
        $transfer['create_time_text'] = date('Y-m-d H:i:s', $transfer['create_time']);
        
        // 格式化金额
        $transfer['amount_yuan'] = round($transfer['amount'] / 100, 2);
        $transfer['prev_amount_yuan'] = round($transfer['prev_amount'] / 100, 2);
        $transfer['next_amount_yuan'] = round($transfer['next_amount'] / 100, 2);
        
        // 状态文本
        $transfer['status_text'] = self::getStatusText($transfer['status']);
        
        // 获取用户信息
        $user = Db::connect('merchant_admin')
            ->table('merchant_user')
            ->where('user_id', $transfer['user_id'])
            ->field('user_id, nick_name')
            ->find();
        
        $transfer['merchant_name'] = $user ? $user['nick_name'] : '';
        $transfer['platform_nickname'] = '玩家' . $transfer['uname'];
        
        return $transfer;
    }
    
    /**
     * 获取转账统计信息
     */
    public static function getTransferStatistics($appId, $filters = [])
    {
        $where = [
            ['app_id', '=', $appId]
        ];
        
        // 时间筛选
        if (!empty($filters['start_time'])) {
            $startTime = strtotime($filters['start_time'] . ' 00:00:00');
            $where[] = ['create_time', '>=', $startTime];
        }
        
        if (!empty($filters['end_time'])) {
            $endTime = strtotime($filters['end_time'] . ' 23:59:59');
            $where[] = ['create_time', '<=', $endTime];
        }
        
        $statistics = self::where($where)
            ->field([
                'COUNT(*) as total_transfers',
                'COUNT(DISTINCT uname) as total_players',
                'SUM(CASE WHEN amount > 0 THEN amount ELSE 0 END) as total_in_amount',
                'SUM(CASE WHEN amount < 0 THEN ABS(amount) ELSE 0 END) as total_out_amount',
                'SUM(amount) as net_amount',
                'SUM(CASE WHEN status = 1 THEN 1 ELSE 0 END) as success_transfers',
                'SUM(CASE WHEN status = 0 THEN 1 ELSE 0 END) as failed_transfers',
                'SUM(CASE WHEN status = 2 THEN 1 ELSE 0 END) as pending_transfers'
            ])
            ->find()
            ->toArray();
        
        // 格式化金额
        $statistics['total_in_amount_yuan'] = round($statistics['total_in_amount'] / 100, 2);
        $statistics['total_out_amount_yuan'] = round($statistics['total_out_amount'] / 100, 2);
        $statistics['net_amount_yuan'] = round($statistics['net_amount'] / 100, 2);
        
        // 计算成功率
        if ($statistics['total_transfers'] > 0) {
            $statistics['success_rate'] = round($statistics['success_transfers'] / $statistics['total_transfers'] * 100, 2);
        } else {
            $statistics['success_rate'] = 0;
        }
        
        return $statistics;
    }
    
    /**
     * 获取状态文本
     */
    public static function getStatusText($status)
    {
        $statusMap = [
            self::STATUS_FAILED => '失败',
            self::STATUS_SUCCESS => '成功',
            self::STATUS_PENDING => '待处理'
        ];
        
        return $statusMap[$status] ?? '未知';
    }
}