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

App.Presenters.UserActivationPresenter = function(
	jQuery,
	promise,
	util,
	auth,
	api,
	router,
	topNavigationPresenter,
	messagePresenter) {

	var $el = jQuery('#content');
	var $messages = $el;
	var template;
	var formHidden = false;
	var operation;

	function init(args) {
		if (auth.isLoggedIn()) {
			router.navigateToMainPage();
			return;
		}

		topNavigationPresenter.select('login');
		reinit(args);
	}

	function reinit(args) {
		operation = args.operation;
		console.log(operation);
		promise.wait(util.promiseTemplate('user-query-form')).then(function(html) {
			template = _.template(html);
			if (args.token) {
				hideForm();
				confirmToken(args.token);
			} else {
				showForm();
			}
			render();
		});
	}

	function render() {
		$el.html(template());
		$messages = $el.find('.messages');
		if (formHidden)
			$el.find('form').hide();
		$el.find('form').submit(userQueryFormSubmitted);
	}

	function hideForm() {
		formHidden = true;
	}

	function showForm() {
		formHidden = false;
	}

	function userQueryFormSubmitted(e) {
		e.preventDefault();
		messagePresenter.hideMessages($messages);

		var userNameOrEmail = $el.find('form input[name=user]').val();
		if (userNameOrEmail.length == 0) {
			messagePresenter.showError($messages, 'Field cannot be blank.');
			return;
		}
		var url = operation == 'passwordReset'
			? '/password-reset/' + userNameOrEmail
			: '/activation/' + userNameOrEmail;

		api.post(url).then(function(response) {
			var message = operation == 'passwordReset'
				? 'Password reset request sent.'
				: 'Activation e-mail resent.';
			message += ' Check your inbox.<br/>If e-mail doesn\'t show up, check your spam folder.';

			$el.find('#user-query-form').slideUp(function() {
				messagePresenter.showInfo($messages, message);
			});
		}).fail(function(response) {
			messagePresenter.showError($messages, response.json && response.json.error || response);
		});
	}

	function confirmToken(token) {
		messagePresenter.hideMessages($messages);

		var url = operation == 'passwordReset'
			? '/finish-password-reset/' + token
			: '/finish-activation/' + token;

		api.post(url).then(function(response) {
			var message = operation == 'passwordReset'
				? 'Your new password is <strong>' + response.json.newPassword + '</strong>.'
				: 'E-mail activation successful.';

			$el.find('#user-query-form').slideUp(function() {
				messagePresenter.showInfo($messages, message);
			});
		}).fail(function(response) {
			messagePresenter.showError($messages, response.json && response.json.error || response);
		});
	}

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

};

App.DI.register('userActivationPresenter', App.Presenters.UserActivationPresenter);