<?php
declare (strict_types = 1);

namespace app\controller;

use app\BaseController;
use think\facade\Request;
use app\model\TransferLogModel;

/**
 * 转账记录控制器
 */
class TransferLog extends BaseController
{
    /**
     * 获取转账记录列表
     */
    public function list()
    {
        $userInfo = $this->request->userInfo;
        
        // 获取查询参数
        $page = Request::get('page', 1, 'intval');
        $limit = Request::get('limit', 20, 'intval');
        
        // 筛选条件
        $filters = [
            // 时间筛选
            'start_time' => Request::get('start_time', '', 'trim'),
            'end_time' => Request::get('end_time', '', 'trim'),
            // 平台ID筛选
            'platform_id' => Request::get('platform_id', '', 'trim'),
            // 状态筛选
            'status' => Request::get('status', ''),
            // 转账流水号筛选
            'tx_id' => Request::get('tx_id', '', 'trim'),
        ];
        
        try {
            $result = TransferLogModel::getTransferLogs($userInfo['merchant_id'], $page, $limit, $filters);
            return json_success($result, '获取成功');
        } catch (\Exception $e) {
            return json_error([], '获取转账记录失败：' . $e->getMessage());
        }
    }
    
    /**
     * 获取转账记录详情
     */
    public function detail()
    {
        $userInfo = $this->request->userInfo;
        
        $id = Request::get('id', 0, 'intval');
        if (!$id) {
            return json_error([], '记录ID不能为空');
        }
        
        try {
            $transfer = TransferLogModel::getTransferDetail($id, $userInfo['merchant_id']);
            
            if (!$transfer) {
                return json_error([], '记录不存在');
            }
            
            return json_success($transfer, '获取成功');
        } catch (\Exception $e) {
            return json_error([], '获取记录详情失败：' . $e->getMessage());
        }
    }
    
    /**
     * 获取转账统计信息
     */
    public function statistics()
    {
        $userInfo = $this->request->userInfo;
        
        // 筛选条件
        $filters = [
            'start_time' => Request::get('start_time', '', 'trim'),
            'end_time' => Request::get('end_time', '', 'trim'),
        ];
        
        // 如果没有指定时间范围，默认获取今天
        if (empty($filters['start_time']) && empty($filters['end_time'])) {
            $filters['start_time'] = date('Y-m-d');
            $filters['end_time'] = date('Y-m-d');
        }
        
        try {
            $statistics = TransferLogModel::getTransferStatistics($userInfo['merchant_id'], $filters);
            
            return json_success([
                'statistics' => $statistics,
                'date_range' => [
                    'start_time' => $filters['start_time'],
                    'end_time' => $filters['end_time']
                ]
            ], '获取成功');
        } catch (\Exception $e) {
            return json_error([], '获取统计信息失败：' . $e->getMessage());
        }
    }
    
    /**
     * 导出转账记录
     */
    public function export()
    {
        $userInfo = $this->request->userInfo;
        
        // 筛选条件
        $filters = [
            'start_time' => Request::get('start_time', '', 'trim'),
            'end_time' => Request::get('end_time', '', 'trim'),
            'platform_id' => Request::get('platform_id', '', 'trim'),
            'status' => Request::get('status', ''),
            'tx_id' => Request::get('tx_id', '', 'trim'),
        ];
        
        try {
            // 获取所有符合条件的数据（不分页）
            $result = TransferLogModel::getTransferLogs($userInfo['merchant_id'], 1, 100000, $filters);
            
            // 生成CSV数据
            $csvData = "创建时间,商户,玩家ID,平台ID,平台昵称,转账流水号,转账金额,转账前余额," .
                      "转账后余额,转账金额,转账前余额,转账后余额,状态/原因,IP\n";
            
            foreach ($result['list'] as $transfer) {
                $csvData .= sprintf(
                    "%s,%s,%d,%d,%s,%s,%s,%s,%s,%s,%s\n",
                    $transfer['create_time'],                   // 创建时间
                    $transfer['merchant_name'],                 // 商户
                    $transfer['uname'],                          // 玩家ID
                    $transfer['user_id'],                        // 平台ID
                    $transfer['platform_nickname'],             // 平台昵称
                    $transfer['tx_id'],                          // 转账流水号
                    $transfer['amount'],                    // 转账金额
                    $transfer['prev_amount'],               // 转账前余额
                    $transfer['next_amount'],               // 转账后余额
                    $transfer['status_text'],                    // 状态/原因
                    $transfer['ip']                              // IP
                );
            }
            
            // 返回CSV数据
            return response($csvData)
                ->header(['Content-Type' => 'text/csv; charset=utf-8'])
                ->header(['Content-Disposition' => 'attachment; filename="transfer_logs_' . date('YmdHis') . '.csv"'])
                ->header(['Cache-Control' => 'no-cache, must-revalidate']);
                
        } catch (\Exception $e) {
            return json_error([], '导出转账记录失败：' . $e->getMessage());
        }
    }
}