<?php
namespace frontend\controllers;

use common\models\Chat;
use common\models\Fields;
use common\models\File;
use common\models\Message;
use Yii;
use common\models\User;
use yii\data\ActiveDataProvider;
use yii\filters\AccessControl;
use yii\web\Controller;
use yii\web\NotFoundHttpException;
use yii\web\UploadedFile;


/**
 * Site controller
 */
class ChatController extends Controller
{
    public $defaultAction = 'list';

    public function behaviors()
    {
        return [
            'access' => [
                'class' => AccessControl::className(),
                'rules' => [
                    [
                        'actions' => ['list', 'message', 'message-save'],
                        'allow' => true,
                        'roles' => ['@'],
                    ],
                ],
            ],
        ];
    }


    public function actionList()
    {
        $user = \Yii::$app->user->identity;
        $chat = Chat::find()
            ->where([
                'or',
                ['from_user' => $user->id,],
                ['to_user' =>  $user->id,],
            ])

            ->with('messages.user');

        $chat = new ActiveDataProvider([
            'query' =>  $chat,
            'pagination' => [
                'pageSize' => 5,
            ],
        ]);

        return $this->render('list',[
            'chat' => $chat
        ]);
    }

    public function actionMessage($user_id)
    {
        $user = \Yii::$app->user->identity;

        $chat = Chat::find()
            ->where([
            'or',
            ['from_user' => $user_id,],
            ['to_user' => $user_id,],
            ])
            ->andWhere([
                'or',
                ['from_user'=> $user->id,],
                ['to_user'=>  $user->id,],
            ])
            ->with('messages.user')
            ->one();
        if(!$chat instanceof Chat){
            $chat = new Chat();
            $chat->from_user =  $user->id;
            $chat->to_user =  $user_id;
            $chat->save();
        }

        $phones = Fields::getData($chat->interlocutor->user_id, User::className(), 'phone');
        $sites = Fields::getData($chat->interlocutor->user_id, User::className(), 'site');


        $post = \Yii::$app->request->post();
        if(isset($post)){

            $message = new Message();

            if($message->load($post, 'Message')){

                $message->chat_id = $chat->chat_id;
                $message->user_id = $user->id;

                $message->file = UploadedFile::getInstances($message, 'file');

                if(!empty($message->file)) {

                    if(is_array($message->file)){

                        foreach($message->file as $file){

                            if($file instanceof UploadedFile){

                                $file_model = new File();
                                $file_id[] = $file_model->saveFile($file);

                            }

                        }

                    } else {

                        if($message->file instanceof UploadedFile){

                            $file_model = new File();
                            $file_id[] = $file_model->saveFile($message->file);
                        }

                    }

                    $message->files = json_encode($file_id);
                }


                $message->save();

                return $this->redirect(['chat/message', 'user_id'=>$user_id]);

            }
        }

        return $this->render('message',[
            'chat' => $chat,
            'user_id' => $user_id,
            'phones' => $phones,
            'sites' => $sites,
        ]);
    }

}