$(document).ready( function() {
 
    var _content    = $('#content'),
        _url        = "calibre.php";
 
    hover();
 
    $('#header section a.qs-link').live("click", function(event) {
        event.preventDefault();
        var _this   = $(this);
        _this.parents("section").find("a").removeClass("active").end().end().addClass("active");
        var qs = get_query_string();
        empty_content(_content);
        $.get(_url + qs, function(response) {
            load_content(_content, response);
        });
    });
 
    $('#search input').live("focus", function(event) {
        $(this).val("");
    });
 
    $('#search a.button').live("click", function(event) {
        event.preventDefault();
        var _search = $(this).siblings("input").val();
        if(_search == this.defaultValue || _search.length < 1)
            return false;
        var qs = get_query_string();
        empty_content(_content);
        $.get(_url + qs, function(response) {
            load_content(_content, response);
        });
    });
 
    $('a.define.server').live("click", function(event) {
        event.preventDefault();
        $('article.error').hide(0);
        $('.server.config input').each( function() {
            $(this).val(this.defaultValue);
        });
        $('.server.config').show(0);
    });
 
    $('a.save.server').live("click", function(event) {
        event.preventDefault();
        $('.server.config input').each( function() {
            var attrib = $(this).attr("name");
            $('#server #'+ attrib).text($(this).val());
        });
        $('.server.config').hide(0);
        var qs = get_query_string();
        empty_content(_content);
        $.get(_url + qs, function(response) {
            load_content(_content, response);
        });
    });
 
    $('.paginate a').live("click", function(event) {
        event.preventDefault();
        var href = $(this).attr("href").split("/");
        var qs = get_query_string();
        empty_content(_content);
        $.get(_url + qs +"&start="+ href[1], function(response) {
            load_content(_content, response);
        });
    });
 
    $('.paginate select.paginate').live("change", function() {
        var page = $(this).find(":selected").val();
        var qs = get_query_string();
        empty_content(_content);
        $.get(_url + qs +"&start="+ page, function(response) {
            load_content(_content, response);
        });
    });
 
    $('article.book img').live("click", function() {
        $(this).toggleClass("large").parents("article.book").toggleClass("active");
    });
 
});
 
function get_query_string() {
    var qs = [];
    $('a.qs-link.active').each( function(i) {
        var hr = $(this).attr("href").split("/");
        qs[i] = hr[0] +"="+ hr[1];
    });
    return "?"+ qs.join("&") +"&"+ get_server_config();
};
 
function get_server_config() {
    var sc = [];
    $('#server div').each( function(i) {
        sc[i] = $(this).attr("id") +"="+ $(this).text();
    });
    return sc.join("&") + get_search_terms();
};
 
function get_search_terms() {
    var server ="&search=";
    if($('input.search').val().length > 0)
        server += $('input.search').val();
    return server;
};
 
function empty_content(_content) {
    _content.addClass("loading").find(".book, .error, .paginate").remove();
    _content.find(".server.config").hide(0);
};
 
function load_content(_content, response) {
    _content.removeClass("loading").find(".book, .error, .paginate").remove();
    _content.append(response);
};
 
function hover() {
    $('.hover_off').hover(
        function() {
            $(this).addClass("hover_on").removeClass("hover_off");
        },
        function() {
            $(this).addClass("hover_off").removeClass("hover_on");
        }
    );
};