<?php
namespace internship\controller;

use n2n\web\http\controller\ControllerAdapter;
use internship\model\NewsDao;
use internship\model\CategoryForm;
use n2n\reflection\annotation\AnnoInit;
use n2n\web\http\annotation\AnnoPath;
use internship\model\NewsForm;
use n2n\web\http\PageNotFoundException;
use internship\model\TagForm;
use n2n\l10n\MessageContainer;
use n2n\context\attribute\Inject;
use internship\bo\NewsCategory;
use internship\bo\NewsItem;
use internship\bo\NewsTag;

class NewsController extends ControllerAdapter {
	private static function _annos(AnnoInit $ai) {
			$ai->m('categoryDetail', new AnnoPath('/urlPart:*'));
			$ai->m('newsDetail', new AnnoPath('newsCategoryUrlPart:*/detail/newsItemUrlPart:*/id:*'));
	}
	private NewsDao $newsDao;

	private function _init(NewsDao $newsDao) {
		$this->newsDao = $newsDao;
	}
	#[Inject]
	private MessageContainer $mc;
	public function index() {
		$newsCategories = $this->newsDao->getNewsCategories();
		$this->forward('~\view\overview.html', ['newsCategories' => $newsCategories, 'mc' => $this->mc]);
	}
	public function categoryDetail( string $urlPart) {
		$NewsCategory  = $this->newsDao->getNewsCategory($urlPart);
		if ($NewsCategory === null) {
			throw new PageNotFoundException('Kategorie nicht gefunden');
		}
		$this->forward('~\view\categorydetail.html', ['newsCategory' => $NewsCategory, 'mc' => $this->mc]);
	}
	public function newsDetail(string $newsCategoryUrlPart, string $newsItemUrlPart, int $id) {
		$newsItem  = $this->newsDao->getNewsItemById($id);
		if ($newsItem === null) {
			throw new PageNotFoundException('News nicht gefunden');
		}
		$newsCategory  = $this->newsDao->getNewsCategory($newsCategoryUrlPart);
		if ($newsCategory === null || $newsCategory != $newsItem->getCategory()) {
			throw new PageNotFoundException('News oder News Kategorie nicht gefunden');
		}
		if ($newsItem->getUrlPart() != $newsItemUrlPart) {
			throw new PageNotFoundException('News-Url nicht gefunden');
		}


		$this->forward('~\view\newsdetail.html', ['newsItem' => $newsItem, 'mc' => $this->mc]);
	}
	public function doCreateCategory(int $id = null) {
		$category = null;
		$method = 'new';
		if ($id !== null) {
			$category = $this->newsDao->getNewsCategoryById($id);
			if ($category instanceof NewsCategory) {
				$method = 'edit';
			}
		}
		$categoryForm = new CategoryForm($category);
		$this->beginTransaction();
		if ($this->dispatch($categoryForm, 'save')) {
			$this->commit();
			$this->mc->addInfo('Kategorie erfolgreich erstellt!');
			$this->redirectToController();
			return;
		}
		if ($this->dispatch($categoryForm, 'delete')) {
			$this->commit();
			$this->mc->addInfo('Kategorie erfolgreich gelöscht!');
			$this->redirectToController();
			return;
		}
		$this->commit();
		$this->forward('~\view\createcategory.html',
				array('categoryForm'=> $categoryForm, 'mc' => $this->mc, 'method' => $method));

	}
	public function doDeleteCategory(int $id) {
		$category = $this->newsDao->getNewsCategoryById($id);
		if ($category === null) {
			throw new PageNotFoundException('invalid category id: ' . $id);
		}
		$this->beginTransaction();
		$this->newsDao->deleteCategory($category);
		$this->commit();
		$this->mc->addInfo('Kategorie, inkl. zugeordneter News erfolgreich gelöscht!');
		$this->redirectToController();

	}
	public function doCreateNews(string $urlPart, int $newsId = null) {
		$category = $this->newsDao->getNewsCategory($urlPart);
		$method = 'new';
		$news = null;
		if ($category === null) {
			throw new PageNotFoundException('invalid category name: ' . $urlPart);
		}
		if ($newsId !== null){
			$news = $this->newsDao->getNewsItemById($newsId);
			if ($news instanceof NewsItem) {
				$method = 'edit';
			}
		}
		$this->beginTransaction();

		$newsForm = new NewsForm($category, $this->newsDao->getTags(), $news);
		if ($this->dispatch($newsForm, 'save')) {
			$this->commit();
			$this->mc->addInfo('NewsItem erfolgreich erstellt!');
			$this->redirectToController(array($urlPart));
			return;
		}
		if ($this->dispatch($newsForm, 'delete')) {
			$this->commit();
			$this->mc->addInfo('NewsItem erfolgreich gelöscht!');
			$this->redirectToController(array($urlPart));
			return;
		}
		$this->commit();
		$this->forward('~\view\createnews.html',
				array('newsForm'=> $newsForm,'urlPart'=> $urlPart, 'mc' => $this->mc, 'method' => $method));

	}

	public function doDeleteNews(int $newsId) {
		$news = $this->newsDao->getNewsItemById($newsId);
		if (empty($news)) {
			throw new PageNotFoundException('invalid news id: ' . $newsId);
		}
		$this->beginTransaction();
		$this->newsDao->deleteNews($news);
		$this->commit();
		$this->mc->addInfo('NewsItem erfolgreich gelöscht!');

		$this->redirectToController();

	}
	public function doCreateTag(int $tagId = null) {
		$tag = null;
		$method = 'new';
		if ($tagId !== null) {
			$tag = $this->newsDao->getNewsTagById($tagId);
			if ($tag instanceof NewsTag) {
				$method = 'edit';
			}
		}
		$this->beginTransaction();
		$tagForm = new TagForm($tag);
		if ($this->dispatch($tagForm, 'save')) {
			$this->commit();
			$this->mc->addInfo('Tag erfolgreich erstellt!');
			$this->redirectToController();
			return;
		}
		if ($this->dispatch($tagForm, 'delete')) {
			$this->commit();
			$this->mc->addInfo('Tag erfolgreich gelöscht!');
			$this->redirectToController();
			return;
		}
		$this->commit();
		$this->forward('~\view\createtag.html',
				array('tagForm'=> $tagForm, 'mc' => $this->mc, 'method' => $method));
	}
	public function doDeleteTag(int $tagId) {
		$tag = $this->newsDao->getNewsTagById($tagId);
		if (empty($tag)) {
			throw new PageNotFoundException('invalid tag id: ' . $tagId);
		}
		$this->beginTransaction();
		$this->newsDao->deleteTag($tag);
		$this->commit();
		$this->mc->addInfo('Tag erfolgreich gelöscht!');

		$this->redirectToController();
	}
	public function doTagList(string $tagName = null) {
		$newsTags = $this->newsDao->getTags($tagName);
		$this->forward('~\view\taglist.html', array('newsTags'=> $newsTags, 'mc' => $this->mc));
	}


}