<?php

namespace backend\controllers;

use backend\logic\PermissionManager;
use ReflectionException;
use Yii;
use yii\base\InvalidConfigException;
use yii\web\Controller;
use yii\filters\VerbFilter;
use yii\filters\AccessControl;
use backend\models\LoginForm;

/**
 * Site controller
 * @DESCRIBE 网站基本权限 DESCRIBE
 */
class SiteController extends Controller {

    /**
     * {@inheritdoc}
     */
    public function behaviors() {
        return [
            'access' => [
                'class' => AccessControl::className(),
                'rules' => [
                    [
                        'actions' => ['login', 'error', 'get-permission'],
                        'allow' => true,
                    ],
                    [
                        'actions' => ['logout', 'index'],
                        'allow' => true,
                        'roles' => ['@'],
                    ],
                ],
            ],
            'verbs' => [
                'class' => VerbFilter::className(),
                'actions' => [
//                    'logout' => ['post'],
                ],
            ],
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function actions() {
        return [
            'error' => [
                'class' => 'yii\web\ErrorAction',
            ],
            'upload'=>[
                'class'=>'iron\actions\UploadAction',
            ]
        ];
    }

    /**
     * Displays homepage.
     *
     * @return string
     */
    public function actionIndex() {
        return $this->render('index');
    }

    /**
     * Login action.
     *
     * @return string
     * @ACTION 登录 ACTION
     */
    public function actionLogin() {

        $this->layout = 'base';

        if (!Yii::$app->user->isGuest) {
            return $this->goHome();
        }

        $model = new LoginForm();
        if ($model->load(Yii::$app->request->post()) && $model->login()) {
            return $this->goBack();
        } else {
            $model->password = '';

            return $this->render('login', [
                'model' => $model,
            ]);
        }
    }

    /**
     * Logout action.
     *
     * @return string
     * @ACTION 登出 ACTION
     */
    public function actionLogout() {
        Yii::$app->user->logout();

        return $this->goHome();
    }

    /**
     * 获取权限
     * @return array
     * @throws ReflectionException
     * @throws InvalidConfigException
     */
    public function actionGetPermission()
    {
        return PermissionManager::getAppPermission();
    }

}