// ==UserScript==
// @name           LDR NG
// @namespace      http://d.hatena.ne.jp/zaknak/20080909/1220936155
// @include        http://reader.livedoor.com/reader/*
// @include        http://fastladder.com/reader/*
// @version        0.0.12
// ==/UserScript==

var w = (typeof unsafeWindow == 'undefined') ? window : unsafeWindow;

var ldrNg = {

//NG条件に一致したときタイトルを置き換える文字列
	ngTitle: 'NG Item',

	NGINFO : [
				{
					channel:{
						force	: true,
					},
					item :	{
						title	: [/^AD:/,/^PR:/]
					},
				},
				{
					channel:{
						link	: /http:\/\/favotter\.matope\.com/,
					},
					item:{
						body	: /ですね、わかります/,
						author	: [/kyoujin/,/asshuku/],
					}
				},
				{
					channel:{
						title   : /^404 Blog Not Found/,
					},
					item:{
						category: [/ダイヤモンド/,/弾本/],
					}
				},
	],

	initCount	: 0,

	checkTarget : function(cond,target){
					if(cond.force) return true;
					var method = cond.and ? 'every' : 'some';
					for(var i in cond){
						if(i == 'and' || i == 'force') continue;
						if(cond[i].length){
							if(cond[i][method](function(obj){return obj.test(target[i]);})) return true;
						}else{
							if(cond[i].test(target[i])) return true;
						}
					}
	},

	before	: function(feed) {
				if(feed._checkedNg) return;
				var items = feed.items;

				ldrNg.NGINFO.forEach(function(ng){
					if(!ldrNg.checkTarget(ng.channel, feed.channel)) return;

					items.forEach(function(item) {
						if(ldrNg.checkTarget(ng.item, item)){
							feed._ngIDlist = feed._ngIDlist || [];
							feed._ngIDlist.push(item.id);
							item._ngItem = true;
							item._title = item.title;
							item.title = ldrNg.ngTitle;
						}
					});
				});

				feed._checkedNg = true;
				if(feed._ngIDlist) feed.items = items.filter(function(item){return !item._ngItem}).concat(items.filter(function(item){return item._ngItem}));

			},

	after	: function(feed){
				if(!feed._ngIDlist) return;

				feed._ngIDlist.forEach(function(id){
					(function(id){
						var self = arguments.callee;
						self.count = self.count || 0;
						var bodyId = 'item_body_' + id;
						var itemId = 'item_' + id;
						var itemBody = w.$(bodyId);
						if(itemBody){
							w.addClass(itemBody,'ngbody');
							w.addClass(itemId,'ngitem');
						}else if(self.count++ < 10){
							setTimeout(self,500,id);
						}
					})(id);
				});
	},

	openNG	: function(){
				var count = w.get_active_item();
				if(typeof count != 'number'){
					w.message('nothing...');
					return;
				}

				var item = w.get_active_feed().items[count];
				if(!item._ngItem){
					w.message('This item is not NG.');
					return;
				}

				var bodyId = 'item_body_' + item.id;
				var itemId = 'item_' + item.id;
				var headId = 'head_' + item.id;
				w.removeClass(bodyId,'ngbody');
				w.removeClass(itemId,'ngitem');

				var head = w.$(headId);
				var link = head.getElementsByTagName('a')[0];
				link.textContent = item._title;
				w.message('Done...');

	},

	init	: function(){
				if(typeof w.Keybind != 'undefined' && typeof w.register_hook != 'undefined'){
					w.Keybind.add('n',ldrNg.openNG);
					w.LDR_addStyle('div.ngbody','display : none;');
					w.LDR_addStyle('div.ngitem','font-size : 6px;');
					w.register_hook("before_printfeed", ldrNg.before);
					w.register_hook("after_printfeed", ldrNg.after);
					w.message('LDR NG SETUP is completed.');
				}else if(ldrNg.initCount < 5){
					setTimeout(ldrNg.init,500);
					ldrNg.initCount++;
				}
	},
}

ldrNg.init();