<?php
declare (strict_types=1);

namespace app\traits;

use think\facade\Log;

/**
 * 请求公证处统一请求API
 * Trait GzcApiRequest
 * @package app\traits
 */
trait GzcApiRequest
{
    /**
     * 发送请求
     * @return mixed|string
     * @author php迷途小书童
     * @created 2021/1/14 14:34
     */
    public static function request(string $method, string $url, array $params = [], array $options = [])
    {
        $base_uri = env('GZC.HOSTNAME');
        $request_uri = $base_uri.$url;
        try {
            $data  = json_encode($params);
            $headerArray =array(
                "Content-type:application/json;charset='utf-8'",
                "Accept:application/json"
            );
            if ($url != '/v1/api/third/auth/token') {
                $Token = self::getTokenFromServer();
                $accessToken = $Token['extendData']['accessToken'];
                array_push($headerArray, "token:".$accessToken);
            }
            Log::info($data);
            $curl = curl_init();
            curl_setopt($curl, CURLOPT_URL, $request_uri);
            curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
            curl_setopt($curl, CURLOPT_SSL_VERIFYHOST,FALSE);
            curl_setopt($curl, CURLOPT_POST, 1);
            curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
            curl_setopt($curl,CURLOPT_HTTPHEADER,$headerArray);
            curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
            $output = curl_exec($curl);
            curl_close($curl);
            return json_decode($output, true);
        } catch (\Throwable $e) {
            return $e->getMessage();
        }
    }
    /**
     * 查询账户余额
     * @author php迷途小书童
     * @created 2021/1/14 16:34
     */
    public static function checkAmount($user)
    {
        $data = [
            'platformNo' => env('GZC.PLATFORM_NO'),
            'appNo' => env('GZC.APP_NO'),
            'conName' => $user['user_name'],
            'conCertType' => 1,
            'conCertNo' => $user['user_card'],
        ];
        foreach (['conName', 'conCertNo'] as $key) {
            if (empty($data[$key])) {
                Log::error('[checkAmount] 参数缺失', [
                    'missing_field' => $key,
                    'user' => $user,
                    'data' => $data
                ]);
            }
        }
        $tokenData = self::getTokenFromServer();
        $token = $tokenData['extendData']['accessToken'] ?? null;
        if (empty($token)) {
            Log::error('[checkAmount] Token 获取失败', [
                'tokenData' => $tokenData,
                'user' => $user
            ]);
        } else {
            Log::info('[checkAmount] 成功获取 Token', ['token' => $token]);
        }
        Log::info('[checkAmount] 请求开始', [
            'url' => '/v1/api/third/in/in30',
            'data' => $data,
            'user' => $user
        ]);
        $response = self::request('POST', '/v1/api/third/in/in30', $data);
        Log::info('[checkAmount] 接口返回', [
            'response' => $response
        ]);
        $code = $response['code'] ?? null;
        $msg  = $response['msg'] ?? '';
        $amount = $response['data']['amount'] ?? null;
        if ($code !== 200) {
            Log::error('[checkAmount] 接口返回异常状态码', [
                'code' => $code,
                'msg' => $msg,
                'user' => $user,
                'response' => $response
            ]);
        }
        if (!isset($response['data']['amount'])) {
            Log::error('[checkAmount] 响应结构异常，缺少金额字段', [
                'user' => $user,
                'response' => $response
            ]);
        }
        // 情况三：金额为 0，分析可能原因
        if ($amount === 0) {
            $possibleReasons = [];
            if (empty($token)) {
                $possibleReasons[] = 'Token 获取失败或未附带';
            }

            if (empty($data['conCertNo']) || empty($data['conName'])) {
                $possibleReasons[] = '用户姓名或身份证号为空';
            }

            if (stripos($msg, '未开户') !== false || stripos($msg, '未实名') !== false) {
                $possibleReasons[] = '用户未开户或未实名';
            }
            if (stripos($msg, '无账户') !== false) {
                $possibleReasons[] = '第三方系统中不存在此账户';
            }
            if (stripos($msg, 'success') !== false && $amount === 0) {
                $possibleReasons[] = '接口返回成功但余额确实为0（正常情况）';
            }
            Log::warning('[checkAmount] 返回金额为0，可能原因如下', [
                'user' => $user,
                'params' => $data,
                'response' => $response,
                'token' => $token,
                'possible_reasons' => $possibleReasons
            ]);
        }
        return $response;
//        return self::request('POST', '/v1/api/third/in/in30', $data);
    }
    /**
     * 获取TOKEN
     * @return mixed|string
     * @author php迷途小书童
     * @created 2021/1/14 14:38
     */
    public static function getTokenFromServer()
    {
        $timestamp = (int)(microtime(true) * 1000);
        $appid = env('GZC.APP_ID');
        $data = [
            'appid' => $appid,
            'sign' => self::getSignContent($timestamp, $appid),
            'timestamp' => $timestamp
        ];
        return self::request('POST', '/v1/api/third/auth/token', $data);
    }
    /**
     * 获取签名
     * @return string
     * @author php迷途小书童
     * @created 2020/10/29 9:35
     */
    public static function getSignContent(int $timestamp, string $appid) {
        $appsecret = md5(env('GZC.APP_SECRET'));
        $stringToBeSigned = "appid={$appid}&secret={$appsecret}&timestamp={$timestamp}";
        return md5($stringToBeSigned);
    }

}