<?php

namespace App\Module\OAuth\Controllers;

use App\Http\Controllers\Controller;
use App\Module\OAuth\Services\AuthService;
use Illuminate\Http\Request;

class LoginController extends Controller
{
    protected $auth;

    public function __construct(AuthService $auth)
    {
        $this->auth = $auth;
    }

    /**
     * 显示登录页面
     */
    public function showLoginForm(Request $request)
    {
        $data = $request->session()->all();
        dump($data);
        // 如果已经登录，检查是否有待处理的授权请求
        if ($this->auth->check()) {
            if ($authorizeParams = session('oauth_authorize_params')) {
                session()->forget('oauth_authorize_params');
                return redirect()->route('oauth.authorize', $authorizeParams);
            }
            return redirect('/');
        }

        return view('oauth::login');
    }

    /**
     * 处理登录请求
     */
    public function login(Request $request)
    {
        $credentials = $request->validate([
            'username' => 'required|string',
            'password' => 'required|string',
        ]);

        if ($user = $this->auth->attempt($credentials['username'], $credentials['password'])) {
            // 检查是否有待处理的授权请求
            if ($authorizeParams = session('oauth_authorize_params')) {
                session()->forget('oauth_authorize_params');
                return redirect()->route('oauth.authorize', $authorizeParams);
            }
            return redirect('/');
        }

        return back()->withErrors([
            'username' => '用户名或密码错误',
        ])->withInput();
    }

    /**
     * 退出登录
     */
    public function logout(Request $request)
    {
        $this->auth->logout();

        return redirect()->route('login');
    }
}