<?php
/**
 * Created by PhpStorm
 * User: wild
 * Date: 2021/4/13
 * Time: 1:11 下午
 */


namespace App\Supports\Pay;

use App\Enums\PayType;
use App\Supports\Facades\Alipay;

class Pay
{
    protected $payType;

    public function __construct($payType)
    {
        if ($payType != PayType::ALIPAY) {
            throw new \Exception('不支持该支付类型。');
        }
        $this->payType = $payType;
    }

    public static function create($payType)
    {
        return new Pay($payType);
    }

    /**
     * 发起支付
     * @param $orderNo
     * @param $money
     * @param string $subject
     * @return string|void
     * @throws \Exception
     */
    public function pay($orderNo, $money, $subject)
    {
        switch ($this->payType) {
//            case EPayType::WECHAT:{
//                return PayWechat::payCodeUrl($orderNo, $money, $description, $returnUrl);
//            }
            case PayType::ALIPAY:
            {
                return Alipay::pay($orderNo, $money, $subject);
            }
        }
    }

    public function tradeQuery($rechargeSn)
    {
        switch ($this->payType) {
//            case EPayType::WECHAT:{
//                return PayWechat::payCodeUrl($orderNo, $money, $description, $returnUrl);
//            }
            case PayType::ALIPAY:
            {
                return Alipay::tradeQuery($rechargeSn);
            }
        }
    }

    /**
     * 交易信息的状态
     * @param $tradeInfo tradeQuery的结果
     * @return bool
     */
    public function tradeSuccessed($tradeInfo) {
        return $tradeInfo['trade_status'] == 'TRADE_SUCCESS';
    }

    public function tradeUnSuccessMessage($tradeInfo)
    {
        switch ($this->payType) {
//            case EPayType::WECHAT:{
//                return PayWechat::payCodeUrl($orderNo, $money, $description, $returnUrl);
//            }
            case PayType::ALIPAY:
            {
                // https://opendocs.alipay.com/open/02ivbt?scene=common&ref=api
                switch ($tradeInfo['trade_status']) {
                    case 'WAIT_BUYER_PAY': return '交易创建，等待买家付款';
                    case 'TRADE_CLOSED': return '交易已关闭';
                    case 'TRADE_FINISHED': return '交易结束';
                }
                return '未知错误：'.$tradeInfo['trade_status'];
            }
        }
    }
}