<?php
// +----------------------------------------------------------------------
// | 萤火商城系统 [ 致力于通过产品和服务，帮助商家高效化开拓市场 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2017~2024 https://www.yiovo.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed 这不是一个自由软件，不允许对程序代码以任何形式任何目的的再发行
// +----------------------------------------------------------------------
// | Author: 萤火科技 <admin@yiovo.com>
// +----------------------------------------------------------------------
declare (strict_types=1);

namespace app\api\service\recharge;

use app\api\model\Payment as PaymentModel;
use app\api\model\recharge\Order as OrderModel;
use app\api\model\PaymentTrade as PaymentTradeModel;
use app\api\service\User as UserService;
use app\api\service\Order as OrderService;
use app\api\service\recharge\PaySuccess as RechargePaySuccesService;
use app\common\service\BaseService;
use app\common\enum\Client as ClientEnum;
use app\common\enum\OrderType as OrderTypeEnum;
use app\common\enum\payment\Method as PaymentMethodEnum;
use app\common\library\payment\Facade as PaymentFacade;
use cores\exception\BaseException;
use think\facade\Cache;

/**
 * 余额充值订单付款服务类
 * Class Payment
 * @package app\api\controller
 */
class PayPal extends BaseService
{
    // 提示信息
    private string $message = '';

    // 订单信息
    private OrderModel $orderInfo;

    // 支付方式 (微信支付、支付宝)
    private string $method = '';

    // 下单的客户端
    private string $client = '';


    /**
     * 设置当前支付方式
     * @param string $method 支付方式
     * @return $this
     */
    public function setMethod(string $method): PayPal
    {
        $this->method = $method;
        return $this;
    }

    /**
     * 设置下单的客户端
     * @param string $client 客户端
     * @return $this
     */
    public function setClient(string $client): PayPal
    {
        $this->client = $client;
        return $this;
    }

    /**
     * 确认订单支付事件
     * @param int|null $planId 方案ID
     * @param string|null $customMoney 自定义金额
     * @param array $extra 附加数据
     * @return array[]
     * @throws BaseException
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function orderPay(?int $planId = null, string $customMoney = null, array $extra = []): array
    {
        // 创建余额订单信息
        $this->orderInfo = $this->createOrder($planId, $customMoney);
        // 构建第三方支付请求的参数
        $payment = $this->unifiedorder($extra);
        // 记录第三方交易信息
        $this->recordPaymentTrade($payment);
        // 返回结果
        return compact('payment');
    }

    /**
     * 创建充值订单
     * @param int|null $planId 方案ID
     * @param string|null $customMoney 自定义金额
     * @return OrderModel
     * @throws BaseException
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    private function createOrder(?int $planId = null, string $customMoney = null): OrderModel
    {
        $model = new OrderModel;
        if (!$model->createOrder($planId, $customMoney)) {
            throwError($model->getError() ?: '创建充值订单失败');
        }
        $model['order_id'] = (int)$model['order_id'];
        return $model;
    }

    /**
     * 查询订单是否支付成功 (仅限第三方支付订单)
     * @param string $outTradeNo 商户订单号
     * @return bool
     * @throws BaseException
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function tradeQuery(string $outTradeNo): bool
    {
        // 判断支付方式是否合法
        if (!in_array($this->method, [PaymentMethodEnum::WECHAT, PaymentMethodEnum::ALIPAY])) {
            return false;
        }
        // 获取支付方式的配置信息
        $options = $this->getPaymentConfig();
        // 构建支付模块
        $Payment = PaymentFacade::store($this->method)->setOptions($options, $this->client);
        // 执行第三方支付查询API
        $result = $Payment->tradeQuery($outTradeNo);
        // 订单支付成功事件
        if (!empty($result) && $result['paySuccess']) {
            // 获取第三方交易记录信息
            $tradeInfo = PaymentTradeModel::detailByOutTradeNo($outTradeNo);
            // 订单支付成功事件
            $this->orderPaySucces($tradeInfo['order_no'], $tradeInfo['trade_id'], $result);
        }
        // 返回订单状态
        return $result ? $result['paySuccess'] : false;
    }

    /**
     * 记录第三方交易信息
     * @param array $payment 第三方支付数据
     * @throws BaseException
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    private function recordPaymentTrade(array $payment): void
    {
        if ($this->method != PaymentMethodEnum::BALANCE) {
            PaymentTradeModel::record(
                $this->orderInfo,
                $this->method,
                $this->client,
                OrderTypeEnum::RECHARGE,
                $payment
            );
        }
    }

    /**
     * 返回消息提示
     * @return string
     */
    public function getMessage(): string
    {
        return $this->message;
    }

    /**
     * 构建第三方支付请求的参数
     * @param array $extra 附加数据
     * @return array
     * @throws BaseException
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    private function unifiedorder(array $extra = []): array
    {
        // 判断支付方式是否合法
        if (!in_array($this->method, [PaymentMethodEnum::WECHAT, PaymentMethodEnum::ALIPAY])) {
            return [];
        }
        // 生成第三方交易订单号 (并非主订单号)
        $outTradeNo = OrderService::createOrderNo();
        // 获取支付方式的配置信息
        $options = $this->getPaymentConfig();
        // 整理下单接口所需的附加数据
        $extra = $this->extraAsUnify($extra);
        // 构建支付模块
        $Payment = PaymentFacade::store($this->method)->setOptions($options, $this->client);
        // 执行第三方支付下单API
        if (!$Payment->unify($outTradeNo, (string)$this->orderInfo['pay_price'], $extra)) {
            throwError('第三方支付下单API调用失败');
        }
        // 返回客户端需要的支付参数
        return $Payment->getUnifyResult();
    }

    /**
     * 获取支付方式的配置信息
     * @return mixed
     * @throws BaseException
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    private function getPaymentConfig()
    {
        $PaymentModel = new PaymentModel;
        $templateInfo = $PaymentModel->getPaymentInfo($this->method, $this->client, $this->getStoreId());
        return $templateInfo['template']['config'][$this->method];
    }

    /**
     * 整理下单接口所需的附加数据
     * @param array $extra
     * @return array
     * @throws BaseException
     */
    private function extraAsUnify(array $extra = []): array
    {
        // 微信支付时需要的附加数据
        if ($this->method === PaymentMethodEnum::WECHAT) {
            // 微信小程序端需要openid
            if (in_array($this->client, [ClientEnum::MP_WEIXIN])) {
                $extra['openid'] = $this->getWechatOpenid();
            }
        }
        // 支付宝支付时需要的附加数据
        if ($this->method === PaymentMethodEnum::ALIPAY) {

        }
        return $extra;
    }


    /**
     * 订单支付成功事件
     * @param string $orderNo 当前订单号
     * @param int|null $tradeId 第三方交易记录ID
     * @param array $paymentData 第三方支付成功返回的数据
     * @return void
     * @throws BaseException
     */
    private function orderPaySucces(string $orderNo, ?int $tradeId = null, array $paymentData = []): void
    {
        // 获取订单详情
        $service = new RechargePaySuccesService;
        // 订单支付成功业务处理
        $service->setOrderNo($orderNo)->setMethod($this->method)->setTradeId($tradeId)->setPaymentData($paymentData);
        if (!$service->handle()) {
            throwError($service->getError() ?: '订单支付失败');
        }
        $this->message = '恭喜您，余额充值成功';
    }

    protected $appId;
    protected $appSecret;
    protected $baseUrl = 'https://api.sandbox.paypal.com';
    //protected $baseUrl = 'https://api-m.paypal.com';

    /*构造函数，把实例化Paypal类时传进来的appId和appSecret保存起来
     *
     *
     * */
    public function __construct($appId, $appSecret)
    {
        $this->appId = $appId;
        $this->appSecret = $appSecret;
    }

    /*curl post
     *param
     * $extreUrl string  接口地址
     * $data     array   提交的数据 为空时为get请求
     * $header   array   请求头信息
     * $Oauth    bool    是否使用Oauth验证
     * return    array   响应信息
     * */
    protected function httpRequest($extreUrl, $data, $header, $Oauth = false)
    {
        $url = $this->baseUrl . $extreUrl;
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, $url);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
        if ($Oauth) {
            curl_setopt($curl, CURLOPT_USERPWD, $this->appId . ":" . $this->appSecret);
        }
        //获取请求头信息
        //curl_setopt($curl, CURLINFO_HEADER_OUT, TRUE);
        curl_setopt($curl, CURLOPT_HTTPHEADER, $header);

        if ($data) {
            curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
            curl_setopt($curl, CURLOPT_POST, 1);
        }
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        $output = curl_exec($curl);
        //获取请求头信息
        //var_dump(curl_getinfo($curl)["request_header"]);
        curl_close($curl);
        return json_decode($output, true);
    }

    /*请求头部加上Authorization
     *param
     * $extreUrl string  接口地址
     * $data     array   请求的参数
     * return    array   返回信息
     * */
    protected function httpRequestWithAuth($extreUrl, $data = [])
    {
        $header[] = 'Content-Type:application/json';
        $header[] = 'Authorization:Bearer ' . $this->getAccessToken();
        return $this->httpRequest($extreUrl, $data, $header);
    }

    /*转化数组为键值对形式
     *param
     * $array    array   需要转化的数组
     * return    string  转化后的字符串：参数1=值1&参数2=值2
     * */
    protected function array2keyvalue($array)
    {
        $res = [];
        foreach ($array as $k => $v) {
            $res[] = $k . '=' . $v;
        }
        return implode('&', $res);
    }

    /*获取accesstoken
     * 判断存储的accesstoken是否过期，过期则调用接口获取新的accesstoken否则直接返回。
     * 可以把文件读取改成缓存读取 数据库读取。
     * return    string  accesstoken值
     * */
    public function getAccessToken()
    {
        //        $clientId = 'AS0FH780ZGtSAdpT1NTjwkFzryCPf69rZb_FR9Rt_rZdasB80cmjqTQ6CQELWiFVh_MU9e31CSnyz7Ai';
        //        $clientSecret = 'EDqRQhgLNHCb5bxld98T8-JJJZKvMIeqxudO7lMwDFOxBfy138PjM5A21FnDNyb3q4yYUh8r7Qr2BnVi';
        //从paypal_access_token.json文件中读取accesstoken和过期时间
        $access_token = Cache::get('paypal_access_token', null);
        //$data = json_decode(file_get_contents("paypal_access_token.json"),true);
        if (empty($access_token)) {
            $extreUrl = '/v1/oauth2/token';
            $postdata['grant_type'] = 'client_credentials';
            $postdata = $this->array2keyvalue($postdata);
            $header[] = "Content-type: application/x-www-form-urlencoded";
            $res = $this->httpRequest($extreUrl, $postdata, $header, true);
            \think\facade\Log::info('pay::' . json_encode($res));
            $access_token = $res['access_token'];
            if ($access_token) {
                Cache::set('paypal_access_token', $access_token, $res['expires_in'] - 20);
            }
        }
        return $access_token;
    }

    public function createOrderV2()
    {
        $extreUrl = '/v2/checkout/orders';
        $body = [
            "intent" => "CAPTURE",
            "purchase_units" => [
                [
                    "amount" => [
                        "currency_code" => "USD",//USD
                        "value" => "100.00"
                    ]
                ]
            ],
            "application_context" => [
                "return_url" => "https://lar.lmm.gold/store/index.html",//todo 自己的结算详情，通过接口获取然后转到location
                "cancel_url" => "https://lar.lmm.gold/store/index.html"
            ]
        ];
        return $this->httpRequestWithAuth($extreUrl, json_encode($body));

    }

    public function captureOrder($id)
    {
        $extreUrl = '/v2/checkout/orders/' . $id . '/capture';
        return $this->httpRequestWithAuth($extreUrl);

    }

    /*创建payment
    *
	*/
    public function CreatePayment($array)
    {
        $extreUrl = '/v1/payments/payment';
        $data['intent'] = 'sale';
        $data['payer'] = ['payment_method' => 'paypal'];
        $transactions['amount'] = $array['amount'];
        $transactions['description'] = $array['description'];
        $transactions['custom'] = $array['orderid'];
        $transactions['invoice_number'] = $array['orderid'];
        $transactions['item_list']['items'] = $array['items'];
        $transactions['payment_options']['allowed_payment_method'] = 'INSTANT_FUNDING_SOURCE';
        $transactions['item_list']['shipping_address'] = $array['shipping_address'];
        $data['transactions'][] = $transactions;
        $data['note_to_payer'] = $array['note_to_payer'];
        $data['redirect_urls'] = $array['redirect_urls'];
        return $this->httpRequestWithAuth($extreUrl, json_encode($data));
    }

    /* 获取 完成payment
   *param
   * paymentId 创建payment后返回的ID
   * PayerID     用户id 用户完成授权后跳转的excute页面中url带的参数
   **/
    public function ExcutePayment($array)
    {
        $extreUrl = '/v1/payments/payment/' . $array['paymentId'] . '/execute';
        $data['payer_id'] = $array['PayerID'];
        return $this->httpRequestWithAuth($extreUrl, json_encode($data));
    }

    /* 获取payment详情
    *param
    * paymentId 创建payment后返回的ID
    **/
    public function PaymentInfo($array)
    {
        $extreUrl = '/v1/payments/payment/' . $array['paymentId'];
        return $this->httpRequestWithAuth($extreUrl);
    }

}