<?php

namespace backend\controllers;

use core\forms\user\ProfileEditForm;
use core\forms\user\UserForm;
use core\services\user\ProfileService;
use core\services\user\UserManageService;
use DomainException;
use Yii;
use core\entities\user\User;
use backend\forms\UserSearch;
use yii\base\Exception;
use yii\web\Controller;
use yii\web\NotFoundHttpException;
use yii\filters\VerbFilter;
use yii\filters\AccessControl;
use yii\web\Response;
use yii\web\UploadedFile;

/**
 * UserController implements the CRUD actions for User model.
 */
class UserController extends Controller
{
    private UserManageService $service;
    private ProfileService $profile_service;

    public function __construct($id, $module, UserManageService $service, ProfileService $profile_service, $config = [])
    {
        parent::__construct($id, $module, $config);
        $this->service         = $service;
        $this->profile_service = $profile_service;
    }

    /**
     * @inheritdoc
     */
    public function behaviors()
    {
        return [
            'access' => [
                'class' => AccessControl::class,
                'rules' => [
                    [
                        'actions' => ['create', 'view', 'index', 'update', 'delete'],
                        'allow'   => true,
                        'roles'   => ['UserManagement'],
                    ],
                    [
                        'actions' => ['profile'],
                        'allow'   => true,
                        'roles'   => ['@'],
                    ],
                    [    // all the action are accessible to admin
                        'allow' => true,
                        'roles' => ['admin'],
                    ],
                ],
            ],
            'verbs'  => [
                'class'   => VerbFilter::class,
                'actions' => [
                    'delete' => ['POST'],
                ],
            ],
        ];
    }

    /**
     * Lists all User models.
     * @return string
     */
    public function actionIndex(): string
    {
        $searchModel  = new UserSearch();
        $dataProvider = $searchModel->search(Yii::$app->request->queryParams);

        return $this->render('index', [
            'searchModel'  => $searchModel,
            'dataProvider' => $dataProvider,
        ]);
    }

    /**
     * @param $id
     *
     * @return string
     * @throws NotFoundHttpException
     */
    public function actionView($id): string
    {
        return $this->render('view', [
            'model' => $this->findModel($id),
        ]);
    }

    /**
     * Creates a new User model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     * @return Response|string
     * @throws Exception
     * @throws \yii\db\Exception
     */
    public function actionCreate(): Response|string
    {
        $form = new UserForm();
        if ($form->load(Yii::$app->request->post()) && $form->validate()) {
            try {
                $user = $this->service->create($form);

                return $this->redirect(['view', 'id' => $user->id]);
            } catch (DomainException $e) {
                Yii::$app->errorHandler->logException($e);
                Yii::$app->session->setFlash('error', $e->getMessage());
            }
        }

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

    /**
     * @param $id
     * @return Response|string
     * @throws Exception
     * @throws NotFoundHttpException
     * @throws \yii\db\Exception
     */
    public function actionUpdate($id): Response|string
    {
        $user = $this->findModel($id);

        $form = new UserForm($user);
        if ($form->load(Yii::$app->request->post()) && $form->validate()) {
            try {
                $this->service->edit($user->id, $form);

                return $this->redirect(['view', 'id' => $user->id]);
            } catch (DomainException $e) {
                Yii::$app->errorHandler->logException($e);
                Yii::$app->session->setFlash('error', $e->getMessage());
            }
        }

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

    /**
     * Deletes an existing User model.
     * If deletion is successful, the browser will be redirected to the 'index' page.
     *
     * @param integer $id
     *
     * @return Response
     */
    public function actionDelete(int $id): Response
    {
        $this->service->remove($id);

        return $this->redirect(['index']);
    }

    /**
     * @return Response|string
     * @throws NotFoundHttpException|Exception
     */
    public function actionProfile(): Response|string
    {
        $user = $this->findModel(Yii::$app->user->id);
        $form = new ProfileEditForm($user);

        if ($form->load(Yii::$app->request->post()) && $form->validate()) {
            try {
                $form->user_pic = UploadedFile::getInstance($form, 'user_pic');
                $this->profile_service->edit(Yii::$app->user->id, $form);
                Yii::$app->session->setFlash('success', Yii::t('user', 'Profile is saved.'));

                return $this->redirect(['/user/profile']);
            } catch (DomainException $e) {
                Yii::$app->errorHandler->logException($e);
                Yii::$app->session->setFlash('error', $e->getMessage());
            }
        }

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

    /**
     * Finds the User model based on its primary key value.
     * If the model is not found, a 404 HTTP exception will be thrown.
     *
     * @param integer $id
     *
     * @return User the loaded model
     * @throws NotFoundHttpException if the model cannot be found
     */
    protected function findModel(int $id): User
    {
        if (($model = User::findOne($id)) !== null) {
            return $model;
        } else {
            throw new NotFoundHttpException('The requested page does not exist.');
        }
    }
}