$(document).ready(function() {
    $('.autofocus').focus().select();
    setUpVoteLinks();
    setUpDeclarationForm();
    setUpExpansions();
});

function setUpVoteLinks() {
    // make sure that stuff gets bound only once, even if run multiple times
    $('.vote').not('.bound').addClass('bound').click(function(e) {
        e.preventDefault();
        $('.vote').css('visibility', 'hidden');
        $.ajax({
            url: $(this).attr('href'),
            type: 'POST',
            data: {uri: $(this).parents('.expansion').children('.uri').text(), vote: ($(this).is('.up') ? 'up' : 'down')},
            complete: function(xhr) {
                $('.note').text(xhr.responseText);
            }
        });
        registerTrackerAction('mappings', 'vote-' + $(this).is('.up') ? 'up' : 'down');
    });
}

function registerTrackerAction(category, action) {
    if (!pageTracker) return;
    pageTracker._trackEvent(category, action, $(this).attr('href'));
}

function setUpDeclarationForm() {
    $('#declaration-form').hide();
    $('#button-cancel, #button-show-form').click(function(e) {
        $('#button-show-form, #declaration-form, h2.notfound').toggle();
        $('#declaration-form:visible input.uri').focus().select();
        e.preventDefault();
    });
    $('#button-declare').click(function(e) {
        $('#declaration-form input').attr('disabled', 'disabled');
        $.ajax({
            url: $('base').attr('href') + $('h1').text(),
            type: 'POST',
            data: {create: $('input.uri').val()},
            success: function(html) {
                $('.note').text('Thanks for your contribution. You can add more namespaces tomorrow.');
                $('#declaration-form, .footer .message').hide();
                $('h2.notfound').remove();
                $('.footer .links').removeClass('hidden');
                $('.expansions').append(html);
                setUpVoteLinks();
                setUpExpansions();
                registerTrackerAction('mappings', 'declare-success');
            },
            error: function(xhr) {
                $('.note').text(xhr.responseText).wrapInner('<strong></strong>');
                $('#declaration-form input').removeAttr('disabled');
                $('input.uri').focus();
                registerTrackerAction('mappings', 'declare-fail');
            }
        });
    });
}

function setUpExpansions() {
    $('h2:gt(0)').addClass('alternate');
    // make sure that stuff gets bound only once, even if run multiple times
    $('.namespace-link img').not('.bound').addClass('bound').hover(
        function() { $(this).attr('src', 'images/link-hover.png'); },
        function() { $(this).attr('src', 'images/link.png'); }
    );
    $('.vote.up img').not('.bound').addClass('bound').hover(
        function() { $(this).attr('src', 'images/vote-up-hover.png'); },
        function() { $(this).attr('src', 'images/vote-up.png'); }
    );
    $('.vote.down img').not('.bound').addClass('bound').hover(
        function() { $(this).attr('src', 'images/vote-down-hover.png'); },
        function() { $(this).attr('src', 'images/vote-down.png'); }
    );
}