<?php

namespace app\controller;

use EasyWeChat\Factory;
use EasyWeChat\OfficialAccount\Application;
use think\facade\Config;
use think\facade\Request;
use think\facade\Route;
use think\facade\View;

class Wechat
{
    private Application $app;

    /**
     * Notes   : 初始化微信
     *
     * @Date   : 2022/9/9 11:30
     * @Author : <Jason.C>
     */
    private function initWechat()
    {
        $this->app = Factory::officialAccount(Config::get('wechat'));
    }

    /**
     * Notes   : 获取微信授权的地址并跳转
     *
     * @Date   : 2022/9/9 11:29
     * @Author : <Jason.C>
     */
    public function url(): string
    {
        $url      = $GLOBALS['data']['data']['url'];
        $redirect = Route::buildUrl('wechat/code', ['callback' => $url])
            ->suffix(false)
            ->domain(true);
        $this->initWechat();
        return $this->app->oauth->scopes(['snsapi_userinfo'])->redirect($redirect);
    }

    /**
     * Notes   : 微信授权回调地址，获取到用户信息后，自行保存
     *
     * @Date   : 2022/9/9 11:29
     * @Author : <Jason.C>
     */
    public function code()
    {
        $this->initWechat();
        $user     = $this->app->oauth->user();
        $callback = Request::get('callback');

        $token = '怎样获得一个 token';
        return redirect($callback.'?token='.$token);

        // $user 可以用的方法:
        // $user->getId();  // 对应微信的 OPENID
        // $user->getNickname(); // 对应微信的 nickname
        // $user->getName(); // 对应微信的 nickname
        // $user->getAvatar(); // 头像网址
        // $user->getOriginal(); // 原始API返回的结果
        // $user->getToken(); // access_token， 比如用于地址共享时使用
    }

    /**
     * Notes   : 显示支付的页面，支付逻辑
     *
     * @Date   : 2022/9/9 11:32
     * @Author : <Jason.C>
     */
    public function payment()
    {
        $notifyUrl = Route::buildUrl('wechat/paid')
            ->suffix(false)
            ->domain(true);
        $config    = Config::get('wechat.payment');
        $payment   = Factory::payment($config);
        $unify     = $payment->order->unify([
            'body'         => '商品订单',
            'out_trade_no' => time(),
            'total_fee'    => 100,
            'notify_url'   => $notifyUrl,
            'trade_type'   => 'JSAPI',
            'openid'       => '$openid',
        ]);
        dump($unify);
//        $prepayId = $unify->prepay_id;
//        $jssdk    = $payment->jssdk->bridgeConfig($prepayId);
//        return View::fetch('', ['jssdk' => $jssdk]);
    }

    /**
     * Notes   : 支付完成回调
     *
     * @Date   : 2022/9/9 11:33
     * @Author : <Jason.C>
     */
    public function paid()
    {

    }

}