function commentFormSubmit(e) {
	e.preventDefault();
	var nick = $('#comment-nick').val();
	var email = $('#comment-email').val();
	var content = $('#comment-content').val();
	var commentType = $('#comment-type').val();
	var commentId = $('#comment-id').val();
	if (!nick) {
		alert('Nie podano autora komentarza!');
		return;
	}
	if (!content) {
		alert('Nie można wysłać pustego komentarza!');
		return;
	}
	var formData = {
		'comment-nick': nick,
		'comment-email': email,
		'comment-content': content,
		'comment-type': commentType,
		'comment-id': commentId,
		'mode': 'json'
	};
	
	$.ajax({
		dataType: 'json',
		type: 'POST',
		data: formData,
		url: scriptUrlPrefix+'sendcomment.php',
		success: commentSubmitDone,
		error: commentSubmitFailed,
	});
}

function commentSubmitFailed(data) {
	alert('Nie udało się przesłać komentarza do serwera.');
}

function commentSubmitDone(data) {
	if (data.result == 'OK') {
		alert('Dodano komentarz');
		refreshComments();
	} else {
		alert('Nie udało się dodać komentarza! Komunikat od serwera: ' + data.error);
	}
}

function refreshComments() {
	var commentType = $('#comment-type').val();
	var commentId = $('#comment-id').val();

	$('#comments').text('Wczytywanie komentarzy...');

	var formData = {
		'type': commentType,
		'id': commentId,
	};
	
	$.ajax({
		dataType: 'html',
		type: 'GET',
		data: formData,
		url: scriptUrlPrefix+'getcomments.php',
		success: function(data) {
			$('#comments').html(data);
		},
	});
}

function commentsImageReplace(image) {
	$('#comment-id').val(image.id);
}

$(document).ready(function() {
	$('#comment-form').on('submit', commentFormSubmit);
});