<?php

namespace Base\Tool;

use GuzzleHttp\Client;
use GuzzleHttp\Exception\RequestException;

/**
 * 游戏猫接口客户端
 */
class GameCatClient
{
    const SIGN_NAME = 'Sign';
    const SUCCESS = '0000';

    protected $client;

    private $apis = [
        'get-pay-type' => ['uri' => '/api/pay/GetPayType', 'method' => 'get'],
        'internal-pay' => ['uri' => '/api/pay/InternalPayOrder/yushi', 'method' => 'post'],
        'check-role' => ['uri' => '/api/pay/CheckActorID', 'method' => 'get']
    ];

    public function __construct()
    {
        $this->client = new Client([
            'base_uri' => C('GAME_CAT_URL'),
            'timeout'  => 10.0,
        ]);
    }

    public function api($api, array $params = [])
    {
        $api = $this->apis[$api] ?? null;
        if (is_null($api)) {
            throw new \Exception('接口不存在');
        }
        $params[self::SIGN_NAME] = $this->sign($params);

        try {
            return $this->request($api, $params);
        } catch (\Exception $e) {
            $env = C('APP_ENV', null, 'prod');
            return ['code' => '1000', 'message' => '接口请求错误。' . ($env == 'prod' ? '' : $e->getMessage()) , 'data' => []];
        }
    }

    public function request($api, $params)
    {
        if ($api['method'] == 'get') {
            return $this->get($api['uri'], $params);
        } else {
            return $this->post($api['uri'], $params);
        }
    }

    protected function post($uri, array $params = [])
    {
        $response = $this->client->post($uri, [
            'verify' => false,
            'form_params' => $params,
        ]);
        $result = (string)$response->getBody();
        return json_decode($result, true);
    }

    protected function get($uri, array $params = [])
    {
        $response = $this->client->get($uri, [
            'verify' => false,
            'query' => $params,
        ]);
        $result = (string)$response->getBody();
        return json_decode($result, true);
    }

    protected function sign($params)
    {
        unset($params[self::SIGN_NAME]);
        ksort($params);
        $params['key'] = C('GAME_CAT_KEY');
        return md5(http_build_query($params));
    }
}