var App = App || {};
App.Presenters = App.Presenters || {};

App.Presenters.GlobalCommentListPresenter = function(
	_,
	jQuery,
	util,
	promise,
	pagerPresenter,
	topNavigationPresenter) {

	var $el;
	var templates = {};

	function init(params, loaded) {
		$el = jQuery('#content');
		topNavigationPresenter.select('comments');

		promise.wait(
				util.promiseTemplate('global-comment-list'),
				util.promiseTemplate('global-comment-list-item'),
				util.promiseTemplate('post-list-item'))
			.then(function(listTemplate, listItemTemplate, postTemplate) {
				templates.list = listTemplate;
				templates.listItem = listItemTemplate;
				templates.post = postTemplate;

				render();
				loaded();

				pagerPresenter.init({
						baseUri: '#/comments',
						backendUri: '/comments',
						$target: $el.find('.pagination-target'),
						updateCallback: function(data, clear) {
							renderPosts(data.entities, clear);
						},
					},
					function() {
						reinit(params, function() {});
					});
			}).fail(function() {
				console.log(arguments);
				loaded();
			});
	}


	function reinit(params, loaded) {
		pagerPresenter.reinit({query: params.query});
		loaded();
	}

	function deinit() {
		pagerPresenter.deinit();
	}

	function render() {
		$el.html(templates.list());
	}

	function renderPosts(data, clear) {
		var $target = $el.find('.posts');

		if (clear) {
			$target.empty();
		}

		_.each(data, function(data) {
			var post = data.post;
			var comments = data.comments;

			var $post = jQuery('<li>' + templates.listItem({
				util: util,
				post: post,
				postTemplate: templates.post,
			}) + '</li>');

			util.loadImagesNicely($post.find('img'));
			var presenter = App.DI.get('postCommentListPresenter');

			presenter.init({
				post: post,
				comments: comments,
				$target: $post.find('.post-comments-target'),
			}, function() {
				presenter.render();
			});

			$target.append($post);
		});
	}

	return {
		init: init,
		reinit: reinit,
		deinit: deinit,
		render: render,
	};

};

App.DI.register('globalCommentListPresenter', ['_', 'jQuery', 'util', 'promise', 'pagerPresenter', 'topNavigationPresenter'], App.Presenters.GlobalCommentListPresenter);