<?php
class PostController implements IController {

	public function execute() {
		$view = new View();
		$form = new Form();
		$postModel = new PostModel();
		$loginViewDecider = new LoginViewDecider();
		$topicModel = new TopicModel();
		$commentsRenderer = new CommentsRenderer();
		$permissionDecider = new PermissionDecider();
		$headRenderer = new HeadRenderer();
		$user = new User();
		$notificationScraper = new NotificationScraper();
		
		$user->populate();
		
		$postId = $form->getCleanDefaulted("id", 0);
		$topicId = $form->getCleanDefaulted("t", 0);
		$commentId = $form->getCleanDefaulted("cid", 0);
		$page = $form->getCleanDefaulted("p", 0);
		
		$currentPost = $postModel->getPost($postId);
		$taggedContent = $notificationScraper->replaceNotificationsWithLinks($currentPost['content']);
		$currentPost['content'] = htmlspecialchars_decode($taggedContent);
		$user->markPostViewed($postId);
		
		$defaultTopics = $topicModel->getUserTopics();
		$currentTopic = $topicModel->getCurrentTopic($topicId);
		
		$sql = sprintf("SELECT f.* FROM files f
			JOIN post_file_associations pfa ON f.file_id = pfa.file_id
			WHERE pfa.post_id = '%s'", $postId);
		$database = new Database();
		$fileData = $database->query($sql);
		foreach ($fileData as $index => $file) {
			$fileComponents = explode('.', $file['name']);
			$fileData[$index]['icon'] = $fileComponents[count($fileComponents) - 1];
		}
		
		$postViewData = array();
		$postViewData["header"] = $headRenderer->render();
		$postViewData["postData"] = $currentPost;
		$postViewData["fileData"] = $fileData;
		$postViewData["commentView"] = $commentsRenderer->getComments($postId, $commentId, $page);
		$postViewData['topicData'] = $currentTopic;
		$postViewData['topicAccess'] = $permissionDecider->hasTopicAccess($topicId);
		$postViewData['user'] = $user;
		
		return $view->render("postPageView.inc", $postViewData);
	}
}