php/app/traits/GzcApiRequest.php

<?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'],
//        ];
//        return self::request('POST', '/v1/api/third/in/in30', $data);
        $debug = [];

        $data = [
            'platformNo' => env('GZC.PLATFORM_NO'),
            'appNo'      => env('GZC.APP_NO'),
            'conName'    => $user['user_name'] ?? '',
            'conCertType'=> 1,
            'conCertNo'  => $user['user_card'] ?? '',
        ];

        $debug['request'] = $data;

        try {
            // 记录请求（原有日志可保留或删除）
            Log::info('[checkAmount] request', $data);

            $res = self::request('POST', '/v1/api/third/in/in30', $data);

            $debug['raw_response'] = $res;

            // 尝试解析 amount（以分为单位常见）
            $amountCents = $res['extendData']['amount'] ?? $res['data']['amount'] ?? $res['amount'] ?? null;
            $debug['parsed_amount'] = $amountCents;

            // 如果没有 amount 字段或为0，附加简单推测
            if ($amountCents === null) {
                $debug['note'] = 'missing_amount';
                Log::warning('[checkAmount] missing amount', ['user' => $user, 'response' => $res]);
            } elseif ($amountCents == 0) {
                $msg = $res['msg'] ?? $res['message'] ?? '';
                $reasons = [];
                if (stripos($msg, '未开户') !== false || stripos($msg, '未实名') !== false) $reasons[] = 'third_party_unopened_or_unverified';
                if (stripos($msg, '无账户') !== false) $reasons[] = 'account_not_found';
                if (stripos($msg, 'token') !== false) $reasons[] = 'token_issue_possible';
                if (empty($reasons)) $reasons[] = 'balance_is_zero';
                $debug['zero_reasons'] = $reasons;
                Log::warning('[checkAmount] amount is 0', ['user' => $user, 'reasons' => $reasons]);
            }

            // 把 debug 附加到返回（不破坏原始返回结构）
            if (is_array($res)) {
                $res['debug'] = $debug;
                return $res;
            }

            // 如果不是数组，包装返回
            return ['code' => 200, 'msg' => 'ok', 'extendData' => ['amount' => $amountCents], 'debug' => $debug];
        } catch (\Throwable $e) {
            $debug['exception'] = $e->getMessage();
            Log::error('[checkAmount] exception', ['user' => $user, 'err' => $e->getMessage()]);
            return ['code' => 500, 'msg' => 'exception', 'debug' => $debug];
        }
    }
    public function getAmountFromGzc()
    {
        $uid = $this->request->uid();
        $userInfo = Db::name('UserCertification')->where('uid', $uid)->field('user_name,user_card')->find();

        if (empty($userInfo['user_name']) || empty($userInfo['user_card'])) {
            Log::error('[getAmountFromGzc] 用户实名信息缺失', ['uid' => $uid, 'userInfo' => $userInfo]);
            return app('json')->fail('未找到用户实名信息');
        }

        try {
            $res = GzcApiRequest::checkAmount($userInfo);
        } catch (\Throwable $e) {
            Log::error('[getAmountFromGzc] 调用异常', ['uid' => $uid, 'error' => $e->getMessage()]);
            return app('json')->fail('查询失败（第三方异常）');
        }

        // 提取 amount（兼容多种字段位置）
        $amountCents = $res['extendData']['amount'] ?? $res['data']['amount'] ?? $res['amount'] ?? null;
        $amount = $amountCents === null ? 0.0 : floatval($amountCents) * 0.01;
        $formatted = sprintf('%.2f', $amount);

        // 从 checkAmount 返回的 debug（若存在）
        $debug = $res['debug'] ?? null;

        // 返回 amount 与 debug 给调用方（前端 / 调试）
        return app('json')->success([
            'amount' => $formatted,
            'debug'  => $debug
        ]);
    }
    /**
     * 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);
    }

}