(function($) {

var tagBox;
function array_unique_noempty(a) {
	var out = [];
	jQuery.each( a, function(key, val) {
		val = jQuery.trim(val);
		if ( val && jQuery.inArray(val, out) == -1 )
			out.push(val);
		} );
	return out;
}

tagBox = {
	clean : function(tags) {
		return tags.replace(/\s*,\s*/g, ',').replace(/,+/g, ',').replace(/[,\s]+$/, '').replace(/^[,\s]+/, '');
	},

	parseTags : function(el) {
		var id = el.id, num = id.split('-check-num-')[1], taxbox = $(el).closest('.tags'), thetags = taxbox.find('.the-tags'), current_tags = thetags.val().split(','), new_tags = [];
		delete current_tags[num];

		$.each( current_tags, function(key, val) {
			val = $.trim(val);
			if ( val ) {
				new_tags.push(val);
			}
		});

		thetags.val( this.clean( new_tags.join(',') ) );

		this.quickClicks(taxbox);
		return false;
	},

	quickClicks : function(el) {
		var thetags = $('.the-tags', el), tagchecklist = $('.tagchecklist', el), current_tags;

		if ( !thetags.length )
			return;

		current_tags = thetags.val().split(',');
		tagchecklist.empty().html("<span></span>");

		$.each( current_tags, function( key, val ) {
			var txt, button_id, id = $(el).attr('id');

			val = $.trim(val);
			if ( !val.match(/^\s+$/) && '' != val ) {
				button_id = id + '-check-num-' + key;
	 			txt = '<span><a id="' + button_id + '" class="ntdelbutton">X</a>&nbsp;' + val + '</span> ';
	 			tagchecklist.append(txt);
	 			$( '#' + button_id ).click( function(){ tagBox.parseTags(this); });
			}
		});
	},

	flushTags : function(el, a, f) {
		a = a || false;
		var text, tags = $('.the-tags', el), newtag = $('input.newtag', el), newtags;

		text = a ? $(a).text() : newtag.val();
		tagsval = tags.val();
		newtags = tagsval ? tagsval + ',' + text : text;

		newtags = this.clean( newtags );
		newtags = array_unique_noempty( newtags.split(',') ).join(',');
		tags.val(newtags);
		this.quickClicks(el);

		if ( !a )
			newtag.val('');
		if ( 'undefined' == typeof(f) )
			newtag.focus();

		return false;
	},

	get : function(id) {
		var tax = id.substr(id.indexOf('-')+1);

		$.post(ajaxurl, {'action':'get-tagcloud','tax':tax}, function(r, stat) {
			if ( 0 == r || 'success' != stat )
				r = wpAjax.broken;

			r = $('<p id="tagcloud-'+tax+'" class="the-tagcloud">'+r+'</p>');
			$('a', r).click(function(){
				tagBox.flushTags( $(this).closest('.inside').children('.tagsdiv'), this);
				return false;
			});

			$('#'+id).after(r);
		});
	},

	init : function() {
		var t = this, ajaxtag = $('.tags');

	    $('p.tags').each(function() {
	        tagBox.quickClicks(this);
	    });

		$('input.tagadd', ajaxtag).click(function(){
			t.flushTags( $(this).closest('.tagsdiv') );
		});

		$('div.taghint', ajaxtag).click(function(){
			$(this).css('visibility', 'hidden').siblings('.newtag').focus();
		});

		$('input.newtag', ajaxtag).blur(function() {
			if(this.value == '')
	            $(this).siblings('.taghint').css('visibility', '');
	    }).focus(function(){
			$(this).siblings('.taghint').css('visibility', 'hidden');
		}).keyup(function(e){
			if ( 13 == e.which ) {
				tagBox.flushTags( $(this).closest('.tagsdiv') );
				return false;
			}
		}).keypress(function(e){
			if ( 13 == e.which ) {
				e.preventDefault();
				return false;
			}
		}).each(function(){
			$(this).suggest("/content/themes/yabe/ajax-tagsearch.php", { delay: 200, minchars: 2, multiple: true, multipleSep: ", " } );
		});

	    // save tags on post save/publish
	    $('#post').submit(function(){
			$('div.tagsdiv').each( function() {
	        	tagBox.flushTags(this, false, 1);
			});
		});

		// tag cloud
		$('a.tagcloud-link').click(function(){
			tagBox.get( $(this).attr('id') );
			$(this).unbind().click(function(){
				$(this).siblings('.the-tagcloud').toggle();
				return false;
			});
			return false;
		});
	}
};

tagBox.init();

})(jQuery);