<?php
namespace api\applet\controller;

use api\applet\model\UserModel;
use api\common\Http;
use cmf\controller\RestBaseController;
use think\Db;

class AppletController extends RestBaseController
{
    const TOKEN_URL       = 'https://api.weixin.qq.com/cgi-bin/token';  //get
    const APPLET_CODE_URL = 'https://api.weixin.qq.com/wxa/getwxacodeunlimit'; //post
    const CODE_URL        = 'https://api.weixin.qq.com/sns/jscode2session'; //post

    /**
     * 根据code登录
     * @param $code
     */
    public function login()
    {
        $wxappSettings = cmf_get_option('wxapp_settings')['default'];

        //获取open_id
        $code   = $this->request->post('code');
        $url    = self::CODE_URL . '?appid=' . $wxappSettings['app_id'] . '&secret=' . $wxappSettings['app_secret'] . '&js_code=' . $code . '&grant_type=authorization_code';
        $header = ['content-type: application/json'];
        $result = Http::http_post_json($url, '', $header);
        if (!empty($result['errcode'])) {
            $this->error($result['errmsg']);
        }

        //获取token
        $user = UserModel::where('open_id', $result['openid'])->find();
        if (empty($user)) {
            $user = UserModel::create([
                'user_pass' => cmf_password('123456'),
                'open_id'     => $result['openid'],
                'union_id'     => $result['unionid'],
                'user_type'   => 2,
                'create_time' => time(),
            ]);
        }
        if (empty($user['unionid'])) {
            $user->union_id = $result['unionid'];
            $user->save();
        }

        //写入token
        $token       = md5(uniqid()) . md5(uniqid());
        $currentTime = time();
        $expireTime  = $currentTime + 24 * 3600 * 180;
        Db::name("user_token")->insert([
            'token'       => $token,
            'user_id'     => $user['id'],
            'expire_time' => $expireTime,
            'create_time' => $currentTime,
            'device_type' => $this->deviceType,
        ]);

        $this->success('OK',['token' => $token, 'expires_time' => $expireTime]);
    }

    public function test()
    {
        /*$url = 'https://api.weixin.qq.com/cgi-bin/openapi/rid/get?access_token={$token}';
        $data = '{"rid":1}';
        $header = ['content-type: application/json'];
        $result = Http::http_post_json($url, $data, $header);
        halt($result);*/

        $token = $this->_getAccessToken();
        $url = "https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token={$token}";
        $data = [
            'touser' => 'oQeNu5TLNQBgPOKBoH4wK8VyAHMQ',
            'msgtype' => 'text',
            'text' => ['content'=>'Hello World']
        ];
        $header = ['content-type: application/json'];
        $result = Http::http_post_json($url, json_encode($data), $header);
        halt($result);
    }

    public function _getAccessToken()
    {
        $time = time();
        $wx_access_token = cmf_get_option('wx_access_token');
        if (empty($wx_access_token) || $wx_access_token['expires_time'] < $time) {
            $wxappSettings = cmf_get_option('wxapp_settings')['default'];
            $url    = self::TOKEN_URL . '?appid=' . $wxappSettings['app_id'] . '&secret=' . $wxappSettings['app_secret'] .'&grant_type=client_credential';
            $header = ['content-type: application/json'];
            $wx_access_token = Http::http_post_json($url, '', $header);
            $wx_access_token['expires_time'] = $time + $wx_access_token['expires_in'];
            cmf_set_option('wx_access_token',$wx_access_token);
        }

        return $wx_access_token['access_token'];
    }
}