<?php
namespace app\api\controller;
use think\Controller;
use think\Db;
/**
 * 苹果支付
 * Class ApplePay
 */
class ApplePay extends Base
{

    protected $noNeedLogin = [];
    protected $noNeedRight = '*';
    protected $orderNum = null;
    protected $model = null;
    protected $relationSearch = true;
    protected $appleCode = [
        21000 => 'App Store无法读取你提供的JSON数据',
        21002 => '收据数据不符合格式',
        21003 => '收据无法被验证',
        21004 => '你提供的共享密钥和账户的共享密钥不一致',
        21005 => '收据服务器当前不可用',
        21006 => '收据是有效的，但订阅服务已经过期。当收到这个信息时，解码后的收据信息也包含在返回内容中',
        21007 => '收据信息是测试用（sandbox），但却被发送到产品环境中验证',
        21008 => '收据信息是产品环境中使用，但却被发送到测试环境中验证'
    ];

    /**
     * @title 验证支付票据 完成订单接口
     */
    public function verifyReceipt()
    {
        $receipt = $this->request->param('receipt/s', '');
        if (empty($receipt)) $this->error('订单错误');
        $this->orderNum = $this->request->param('order_id/s', '');

        $order = $this->model->where(array('order_id' => $this->orderNum))->find();
        if (empty($order)) {
            $this->error('订单错误');
        }
        if ($order['state'] == 1) $this->error('订单已成功支付，请确认');
        $time = time();

        file_put_contents("applePay.txt", "\n" . date("Y-m-d H:i:s", $time) . "，支付凭证：" . $receipt, FILE_APPEND);$jsonItem = json_encode(['receipt-data' => $receipt]);

        $url = 'https://buy.itunes.apple.com/verifyReceipt';      //正式
        //模拟post提交（下面会贴出来），将前端获取到的凭证，去和苹果换取详细的支付信息
        $result = $this->http_post_json($jsonItem, $url);
        if ($result['status'] == '21007') {
            //验证失败 返回app错误状态
            $url = 'https://sandbox.itunes.apple.com/verifyReceipt';  //测试
            $result = $this->http_post_json($jsonItem, $url);
        }
        file_put_contents("applePay.txt", json_encode($result) . "\n" . "\n", FILE_APPEND);
        //如果检测到 等于 0 就是支付成功，其他的错误码去获取对应错误信息
        if ($result['status'] !== 0) {
            //验证失败 返回app错误状态
            $this->error($this->appleCode[$result['status']]);
        }


        //接下来就是做自己的业务逻辑

        $this->success('充值成功');
    }


    //模拟post提交
    public function http_post_json($json, $url)
    {
        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $json);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);  //这两行一定要加，不加会报SSL 错误
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
        $response = curl_exec($ch);
        $errno = curl_errno($ch);
        $errmsg = curl_error($ch);
        curl_close($ch);
        $data = json_decode($response, true);
        return $data;
    }


}