// closure
(function($) {
// Main Function
$.fn.message = function(options) {

    // -=main options=- //
    var opts = $.extend({}, $.fn.message.defaults, options);

    // -=Private vars=- //
    var vars = {
        timeout : null,
        classes : null
    }

    _debug($(this).length + ' elements found');

    // -=iteration=- //
    return this.each(function() {
        var $this = $(this);

        // build element specific options
        var o = $.meta ? $.extend({}, opts, $this.data()) : opts;

        for (var i in o.levels) {
            o.level = parseInt(o.level) == i ? o.levels[i] : o.level;
        }

        for (var i in o.levels) {
            vars.classes += o.levels[i]+' ';
        }

        _debug('level: ' + o.level);
        _debug('sticky: ' + o.sticky);
        m = (o.callback_hide == null) ? 'not set' : 'set';
        _debug('callback_hide: ' + m);

        sticky = o.sticky || false;

        if ($this.find(o.message).length < 1) {
            $this.prepend('<span class="'+o.message.replace('.','')+'"></span>');
        }

        if (!o.back) {
            jQuery.data($this,'back',o.text);
        }
        if (o.back) {
            o.text = jQuery.data($this,'back');
        }

        clearTimeout($.fn.message.timeout);
        $this.find(o.message).removeClass(vars.classes).html(o.text).addClass(o.level).hide().fadeIn(500, function() {
            $this.find(o.message).addClass('faded_in');
            $.fn.message.set_callback_hide(o.callback_hide);
            if (o.callback_show) {
                if (typeof(o.callback_show) == 'string') {
                    eval(o.callback_show);
                }
                if (typeof(o.callback_show) == 'function') {
                    o.callback_show();
                }
            }
            if (!o.sticky) {
                $.fn.message.timeout = setTimeout('$.fn.message.out()', o.timeout);
            } else {
                $.fn.message.do_callback_hide();
            }
        });

    });
    // -=End of "this" iteration=- //

// -=End of Main Function=- //
}

// -=private function for debugging=- //
function _debug(message) {
    console.info('$.fn.message: '+message);
};


// -=Public functions=- //
    $.fn.message.set_callback_hide = function(callback_hide) {
        $.fn.message.callback_hide = callback_hide;
    };

    $.fn.message.do_callback_hide = function() {
        _debug('.do_callback_hide')
        callback_hide = $.fn.message.callback_hide;
        $.fn.message.callback_hide = null;

        if (typeof(callback_hide) == 'string') {
            eval(callback_hide);
        }
        if (typeof(callback_hide) == 'function') {
            callback_hide();
        }

    }

    $.fn.message.out = function() {
        _debug('.out');
        $('.faded_in').fadeOut(1000, function() {
            classes = '';
            for (var i in $.fn.message.defaults.levels) {
                classes += $.fn.message.defaults.levels[i]+' ';
            }
            $(this).removeClass(classes);
            $(this).removeClass(classes);
            $.fn.message.do_callback_hide()
        });
    }

    $.fn.message.timeout = null;

// -=Default settings=- //
    $.fn.message.defaults = {
        text      : '',
        message   : '.message',
        level     : 'info',
        timeout   : 3000,
        speed_out : 1000,
        callback_show : null,
        callback_hide  : null,
        sticky    : false,
        levels    : {
            '1'  : 'info',
            '0'  : 'warn',
            '-1' : 'error'
        },
        back     : false
    };


// end of closure
})(jQuery);