/*
 * ajax.js
 * https://github.com/savetheinternet/Tinyboard/blob/master/js/ajax.js
 *
 * Released under the MIT license
 * Copyright (c) 2013 Michael Save <savetheinternet@tinyboard.org>
 *
 * Usage:
 *   $config['additional_javascript'][] = 'js/jquery.min.js';
 *   $config['additional_javascript'][] = 'js/ajax.js';
 *
 */

$(window).ready(function() {
	var setup_form = function($form) {
		$form.submit(function() {
			var form = this;
			var submit_txt = $(this).find('input[type="submit"]').val();
			if (typeof FormData == 'undefined')
				return true;
			
			var formData = new FormData(this);
			formData.append('json_response', '1');

			var updateProgress = function(e) {
				$(form).find('input[type="submit"]').val(_('Posting... (#%)').replace('#', Math.round(e.position / e.total * 100)));
			};

			$.ajax({
				url: this.action,
				type: 'POST',
				xhr: function() {
					var xhr = $.ajaxSettings.xhr();
					if(xhr.upload) {
						xhr.upload.addEventListener('progress', updateProgress, false);
					}
					return xhr;
				},
				success: function(post_response) {
					if (post_response.error) {
						alert(post_response.error);
						$(form).find('input[type="submit"]').val(submit_txt);
						$(form).find('input[type="submit"]').removeAttr('disabled');
					} else if (post_response.redirect && post_response.id) {
						$.ajax({
							url: post_response.redirect,
							success: function(data) {
								console.log(data);
								$(data).find('div.post.reply').each(function() {
									var id = $(this).attr('id');
									if($('#' + id).length == 0) {
										$(this).insertAfter($('div.post:last').next()).after('<br class="clear">');
										$(document).trigger('new_post', this);
									}
								});
								highlightReply(post_response.id);
								document.location = '#' + post_response.id;
								
								$(form).find('input[type="submit"]').val(submit_txt);
								$(form).find('input[type="submit"]').removeAttr('disabled');
							}
						}, 'html');
						
						$(form).find('input[type="submit"]').val('Posted...');
					} else {
						alert(_('An unknown error occured when posting!'));
						$(form).find('input[type="submit"]').val(submit_txt);
						$(form).find('input[type="submit"]').removeAttr('disabled');
					}
				},
				error: function(xhr, status, er) {
					// An error occured
					// TODO
					console.log('Error');
				},
				// Form data
				data: formData,
				cache: false,
				contentType: false,
				processData: false
			}, 'html');
			
			$(form).find('input[type="submit"]').val(_('Posting...'));
			$(form).find('input[type="submit"]').attr('disabled', true);
			
			return false;
		});
	};
	setup_form($('form[name="post"]'));
	$(window).on('quick-reply', function(e, quickForm) {
		setup_form($('form#quick-reply'));
	});
});