<?php

namespace App\Http\Controllers\Release;

use App\Helper\CacheKeyTools;
use App\Helper\Response;
use App\Http\Controllers\Controller;
use GuzzleHttp\Client;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Log;


class BaseController extends Controller
{
    /**
     * 基础变量
     * @var string
     */
    protected $domain, $appId;
    private $appSecret;
    protected $client;

    public function __construct()
    {
        $this->domain = env('TME_DOMAIN','https://openapi-sit.tencentmusic.com');
        $this->appId = env('TME_APPID','47820741');
        $this->appSecret = env('TME_APPSECRET','nPWFDDHKYCP4bUzoq9zyaJQx4ltQqMSs');
        $this->client = new Client(['verify'=>false]);
    }

    /**获取accessToken
     */
    function getToken()
    {
        $url = rtrim($this->domain,'/').'/oauth2/token';
        $data = ['appId'=>$this->appId,'appSecret'=>$this->appSecret];
        try {
            $response = $this->client->request('POST', $url, ['json' => $data]);

            $respArr = json_decode($response->getBody()->getContents(), true);
            Log::channel('api')->info(__METHOD__, $respArr);
            if (0 !== (int)$respArr['code']) {
                return null;
            } else {
                $res = $respArr['data'];
                Cache::put(CacheKeyTools::tmeAccessToken(), $res['accessToken'], ($res['expire'] ?? 900) - 100);  // 加入缓存
                return $res['accessToken'];
            }
        } catch (\Exception $e) {
            Log::channel('api')->error(__METHOD__, ['msg'=>$e->getMessage()]);
            return null;
        }
    }

    /**
     * 重组请求数据,返回headers
     * @return array
     */
    private function parseHeaders(array $params)
    {
        if (!$accessToken = Cache::get(CacheKeyTools::tmeAccessToken())) {
            $accessToken = $this->getToken();
        }
        $heaers['appId'] = $this->appId;
        $heaers['accessToken'] = $accessToken;
        $heaers['timestamp'] = (string)date('YmdHis');
        $heaers['traceId'] = (string)'1';
        $heaers['signMethod'] = 'md5';
        $heaers['sign'] = $this->getSign($heaers,$params);
        return $heaers;
    }

    /**
     * 请求接口
     * @throws \GuzzleHttp\Exception\GuzzleException
     */
    protected function doApi(string $uri, array $reqData = [], string $method = 'POST', bool $isLocal = true)
    {
        $url = rtrim($this->domain,'/').'/'.ltrim($uri,'/');
        try {
            if ($isLocal) {
                $data_file = database_path('Release/'.last(explode("/",$uri)).'.query.php');
                $params = include("$data_file");
                $params['tmeBrandId'] = 105737;
                if (last(explode("/",$uri)) == 'upload'){
                    $params['md5'] = md5($params['url']);
                }
            } else {
                $params = $reqData;
            }
            $headers = $this->parseHeaders($params);
            switch (strtoupper($method)) {
                case 'GET':
                    $response = $this->client->request('GET', $url, ['query' => $params,'headers'=>$headers]);
                    break;
                case 'POST':
                default:
                    $response = $this->client->request('POST', $url, ['json' => $params,'headers'=>$headers]);
                    break;
            }
            $respArr = json_decode($response->getBody()->getContents(), true);
            Log::channel('api')->info(__METHOD__, $respArr);
            if (0 !== (int)$respArr['code']) {
                return Response::error(-1,$respArr['msg'] ?? '操作失败');
            } else {
                $response_file = database_path('release/' . $uri . '.resp');
                file_put_contents($response_file, var_export($respArr['data'],true));
                return Response::success($respArr['data']);
            }
        } catch (\Exception $e) {
            Log::channel('api')->error(__METHOD__, ['msg'=>$e->getMessage()]);
            return Response::error(-1,'接口请求失败！');
        }
    }


    /**
     * 获取签名和去空的参数
     * @param array $array
     */
    protected function getSign($heaers,$params)
    {
        $common_params = array_merge($params,$heaers);
        ksort($common_params);
        $params = '';
        foreach ($common_params as $k=>$v)
        {
            if ('' === $v || null === $v || [] === $v) {
                continue;
            }
            if (is_array($v)) {
                ksort($v);
                $params .= $k . json_encode($this->handleSubArrayNumber($v));
            } else {
                $params .= $k . $v;
            }
        }
        return strtoupper(md5($this->appSecret . $params . $this->appSecret));
    }

    /**
     * 签名需要，递归处理子数组中Int型数字转换成字符串
     * @param array $array
     * @return array
     */
    private function handleSubArrayNumber(array $array)
    {
        foreach ($array as $k=>$v) {
            if (is_array($v)) {
                $array[$k] = $this->handleSubArrayNumber($v);
            } else {
                if (is_numeric($v) && is_int($v)) {
                    $array[$k] = (string)$v;
                }
            }
        }
        return $array;
    }
}