<?php
// +----------------------------------------------------------------------
// | likeshop开源商城系统
// +----------------------------------------------------------------------
// | 欢迎阅读学习系统程序代码，建议反馈是我们前进的动力
// | gitee下载：https://gitee.com/likeshop_gitee
// | github下载：https://github.com/likeshop-github
// | 访问官网：https://www.likeshop.cn
// | 访问社区：https://home.likeshop.cn
// | 访问手册：http://doc.likeshop.cn
// | 微信公众号：likeshop技术社区
// | likeshop系列产品在gitee、github等公开渠道开源版本可免费商用，未经许可不能去除前后端官方版权标识
// |  likeshop系列产品收费版本务必购买商业授权，购买去版权授权后，方可去除前后端官方版权标识
// | 禁止对系统程序代码以任何目的，任何形式的再发布
// | likeshop团队版权所有并拥有最终解释权
// +----------------------------------------------------------------------
// | author: likeshop.cn.team
// +----------------------------------------------------------------------

namespace app\common\logic;

use app\common\server\AliPayServer;
use app\common\server\BalancePayServer;
use app\common\server\WeChatPayServer;
use app\common\model\{Client_, Order, Pay, User};
use think\facade\Env;
use think\Db;

class PaymentLogic extends LogicBase
{

    public static $error = '';
    public static $return_code = 0;

    /**
     * Notes: 错误信息
     * @return string
     * @author 段誉(2021/2/1 11:19)
     */
    public static function getError()
    {
        return self::$error;
    }

    /**
     * Notes: 返回状态码
     * @return int
     * @author 段誉(2021/2/1 11:19)
     */
    public static function getReturnCode()
    {
        return self::$return_code;
    }
    
    /**
     * Notes: 支付
     * @param $from
     * @param $order
     * @param $order_source
     * @return array|bool|string
     * @author 段誉(2021/2/1 11:19)
     */
    public static function pay($from, $order, $order_source)
    {
        // 更新订单支付方式
        if($from == 'order') {
            Order::update([
                'id' => $order['id'],
                'pay_way' => $order['pay_way']
            ]);
        }
        if($from == 'recharge') {
            Db::name('recharge_order')->where('id', $order['id'])->update(['pay_way' => $order['pay_way']]);
        }

        // 订单金额为0的情况，直接走支付回调接口
        if($order['order_amount'] == 0) {
            PayNotifyLogic::handle('order', $order['order_sn'], []);
            return $order['id'];
        }

        switch ($order['pay_way']) {
            case Pay::WECHAT_PAY:
                $res = WeChatPayServer::unifiedOrder($from, $order, $order_source);
                if (false === $res) {
                    self::$error = WeChatPayServer::getError();
                }
                break;

            case Pay::ALI_PAY:
                $aliPay = new AliPayServer();
                $res = $aliPay->pay($from, $order, $order_source);
                if(false === $res) {
                    self::$error = $aliPay->getError();
                } else {
                    self::$return_code = 10001;//特殊状态码,用于前端判断
                }
                break;
            case Pay::BALANCE_PAY:
                $balancePay = new BalancePayServer();
                $res = $balancePay->pay($from, $order, $order_source);
                if($res !== false) {
                    PayNotifyLogic::handle('order', $order['order_sn'], []);
                    self::$return_code = 20001;//特殊状态码,用于前端判断
                }else{
                    self::$error = $balancePay->getError();
                }
                break;
            default:
                self::$error = '订单异常';
                $res = false;
        }
        return $res;
    }


    /**
     * Notes: pc预支付
     * @param $order
     * @author 段誉(2021/3/17 14:56)
     * @return array|bool|string
     * @throws \EasyWeChat\Kernel\Exceptions\InvalidArgumentException
     * @throws \EasyWeChat\Kernel\Exceptions\InvalidConfigException
     * @throws \GuzzleHttp\Exception\GuzzleException
     */
    public static function pcPay($order, $order_source = Client_::pc)
    {
        $res = [];
        // 更新订单支付方式
        Order::update([
            'id' => $order['id'],
            'pay_way' => $order['pay_way']
        ]);
        // 订单金额为0的情况，直接走支付回调接口
        if($order['order_amount'] == 0) {
            PayNotifyLogic::handle('order', $order['order_sn'], []);
            self::$return_code = 10001;//特殊状态码,用于前端判断
            return $order['id'];
        }
        switch ($order['pay_way']) {
            case Pay::WECHAT_PAY:
                $res = WeChatPayServer::unifiedOrder('order', $order, $order_source);
                if (false === $res) {
                    self::$error = WeChatPayServer::getError();
                    return false;
                }
                break;
            case Pay::BALANCE_PAY:
                $user = User::get($order['user_id']);
                if ($user['user_money'] < $order['order_amount']) {
                    self::$error = '余额不足';
                    return false;
                }
                $balancePay = new BalancePayServer();
                $res = $balancePay->pay('order', $order, '5');
                if($res !== false) {
                    PayNotifyLogic::handle('order', $order['order_sn'], []);
                    self::$return_code = 10001;//特殊状态码,用于前端判断
                }else{
                    self::$error = $balancePay->getError();
                    return false;
                }
                break;
            case Pay::ALI_PAY:
                if ($order_source != Client_::pc) {
                    self::$error = '支付类型错误';
                    return false;
                }
                $aliPay = new AliPayServer();
                $res = $aliPay->pay('order', $order, $order_source);
                if (false === $res) {
                    self::$error = $aliPay->getError();
                    return false;
                }
                self::$return_code = 20001;//特殊状态码,用于前端判断
                break;
            default:
                self::$error = '无效的支付方式';
                return false;
        }

        return $res;
    }


    /**
     * Notes: 是否在白名单内支付
     * @param $user_id
     * @author 段誉(2021/2/24 10:01)
     * @return bool
     */
    public static function isPayWhiteList($user_id)
    {
        $white_list = Env::get('wechat.white_list', '');
        $white_list = explode(',', $white_list);
        if (in_array($user_id, $white_list)) {
            return true;
        }
        return false;
    }
}