<?php
namespace Components\Comments;

use Forms\CommentForm,
    Components\BaseControl,
    Models\BaseModel,
    Models\Comment\ICommentable,
    Nette\Application\BadRequestException,
    Nette\ComponentModel\IContainer;

class CommentsControl extends BaseControl
{
    /** @var Models\Comment\CommentModel */
    private $commentsModel;

    /** @var Models\Comment\ICommentable */
    private $entity;

    /** @var Models\BaseModel */
    private $entityModel;


    /**
     * @param Models\Comment\CommentModel
     * @param Models\Comment\ICommentable
     * @param Models\BaseModel
     * @return Components\Comments\CommentsControl
     */
    public function __construct(Models\Comment\CommentMode $commentsModel, ICommentable $entity, BaseModel $entityModel)
    {
        parent::__construct();

        $this->commentsModel = $commentsModel;

        $this->entity = $entity;
        $this->entityModel = $entityModel;
    }

    /**
     * @param int
     */
    public function handleDelete($commentId)
    {
        $comment = $this->commentsModel->find($commentId);

        if(!$comment || !$this->entity->comments->contains($comment)) {
            throw new BadRequestException('Požadovaný komentár sa nenašiel!', '404');
        }

        $this->entity->removeComment($comment);
        $this->commentsModel->delete($comment);
        $this->entityModel->save($this->entity);

        $this->presenter->flashMessage('Komentár bol zmazaný.', 'success');

        if($this->presenter->isAjax()) {
            $this->presenter->invalidateControl();

        } else {
            $this->redirect('this');
        }
    }

    public function render()
    {
        $this->template->comments = $this->entity->comments;
        $this->template->setFile(__DIR__ . '/CommentsControl.phtml');
        $this->template->render();
    }

    /**
     * @param string
     * @return Forms\CommentForm
     */
    public function createComponentCommentForm($name)
    {
        $form = new CommentForm($this, $name);

        $form->setEntityModel($this->commentsModel);
        $form->bindEntity($this->commentsModel->create());
        $form->setCommentableEntity($this->entity);
        $form->setCommentableEntityModel($this->entityModel);

        return $form;
    }
}