<?php

namespace backend\controllers;

use Yii;
use backend\models\Clients;
use backend\models\ClientsSearch;
use yii\web\Controller;
use yii\web\NotFoundHttpException;
use yii\filters\VerbFilter;
use yii\web\UploadedFile;
use yii\helpers\Html;
use yii\helpers\Url;


/**
 * ClientsController implements the CRUD actions for Clients model.
 */
class ClientsController extends Controller
{
	public $file;

    public function behaviors()
    {
        return [
            'verbs' => [
                'class' => VerbFilter::className(),
                'actions' => [
                    'delete' => ['post'],
                ],
            ],
        ];
    }

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

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

    /**
     * Displays a single Clients model.
     * @param integer $id
     * @return mixed
     */
    public function actionView($id)
    {
	    $model = $this->findModel($id);
	    $model->logo = Html::img('/'. $model->logo);
        return $this->render('view', [
            'model' => $model,
        ]);
    }

    /**
     * Creates a new Clients model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     * @return mixed
     */
    public function actionCreate()
    {
        $model = new Clients();

        if ($model->load(Yii::$app->request->post()) && $model->save()) {
	        $this->_uploadLogo($model);
            return $this->redirect(['view', 'id' => $model->id]);
        } else {
            return $this->render('create', [
                'model' => $model,
            ]);
        }
    }

    /**
     * Updates an existing Clients model.
     * If update is successful, the browser will be redirected to the 'view' page.
     * @param integer $id
     * @return mixed
     */
    public function actionUpdate($id)
    {
        $model = $this->findModel($id);

        if ($model->load(Yii::$app->request->post()) && $model->save()) {
	        $this->_uploadLogo($model);
            return $this->redirect(['view', 'id' => $model->id]);
        } else {
            return $this->render('update', [
                'model' => $model,
            ]);
        }
    }

	private function _uploadLogo($model) {
		$file = UploadedFile::getInstance($model, 'file');
		if (!empty($file)) {
			$model->file = $file;
			$fileName = 'clients/' . $model->file->basename . '.' . $model->file->extension;
			$filePath = Yii::getAlias( '@filesDir' ) .'/'. $fileName;
			$i = 1;
			while (file_exists($filePath)) {
				$fileName = 'clients/' . $model->file->basename .'_'. $i . '.' . $model->file->extension;
				$filePath = Yii::getAlias( '@filesDir' ) .'/'. $fileName;
				$i++;
			}
            $model->file->saveAs( $filePath );
			$model->logo = $fileName;
		} else {
//			$model->logo = null;
		}
		$model->save();
	}

    /**
     * Deletes an existing Clients model.
     * If deletion is successful, the browser will be redirected to the 'index' page.
     * @param integer $id
     * @return mixed
     */
    public function actionDelete($id)
    {
        $this->findModel($id)->delete();

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

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