// ==UserScript==
// @name        Hatena::Star Waste Color Star
// @namespace   http://lowreal.net/
// @include     *
// @require     http://github.com/cho45/jsdeferred/raw/master/jsdeferred.userscript.js
// ==/UserScript==
//

(function () { with (D()) {
	setTimeout(function () {
		var orig_JSONP = unsafeWindow.Ten.JSONP;
		var count  = 0;
		var timer  = new Deferred();

		var executor = {
			queue : [],
			done  : true,
			execute : function (fun) {
				var task = { fun: fun, deferred: new Deferred() };
				this.queue.push(task);
				this._execute();
				return task.deferred;
			},
			_execute : function () {
				var self = this;
				if (!self.done) return self.done;
				var task = self.queue.shift();
				if (!task) return self.done = true;
				task.fun().next(function (res) {
					task.deferred.call(res);
					self.done = true;
					self._execute();
				});
				return self.done = false;
			}
		};

		unsafeWindow.Ten.JSONP = function (uri, obj, method) {
			if (uri.indexOf("http://s.hatena.ne.jp/star.add.json") == -1) return orig_JSONP(uri, obj, method);
			timer.cancel(); timer = wait(3).next(function () {
				count = 0;
			});

			if (typeof(obj) == 'function' && typeof(method) == 'undefined') {
				obj = { callback: obj };
				method = 'callback';
			}

			var u = decodeURIComponent(uri.match(/\?uri=([^;&+]+)/)[1]);
			if (++count > 5) {
				executor.execute(function () {
					return addColorStar(u, "green");
				}).
				next(function (s) {
					obj[method](s);
				}).
				error(function (e) {
					alert(e);
				});
			} else {
				return orig_JSONP(uri, obj, method);
			}
			return null;
		};
		for (var key in orig_JSONP) if (orig_JSONP.hasOwnProperty(key)) {
			unsafeWindow.Ten.JSONP[key] = orig_JSONP[key];
		}
	}, 0);

	function toData (q) {
		var ret = [];
		for (var k in q) if (q.hasOwnProperty(k)) {
			ret.push(encodeURIComponent(k) + "=" + encodeURIComponent(q[k]));
		}
		return ret.join("&");
	}

	function addColorStar(uri, color) {
		return next(function () {
			return xhttp.get("http://s.hatena.ne.jp/colorpalette?uri=" + encodeURIComponent(uri) + "&location=" + encodeURIComponent(location.href)).
			next(function (res) {
				var text  = res.responseText;
				var token = text.match(/name="token" *value="([^"]+)"/)[1];
				return token;
			});
		}).
		next(function (token) {
			return xhttp.post("http://s.hatena.ne.jp/colorpalette", toData({
				token: token,
				uri  : uri,
				color: color
			}));
		}).
		next(function () {
			return xhttp.get("http://s.hatena.ne.jp/star.add.json?uri=" + encodeURIComponent(uri) + "&quote=&location=" + encodeURIComponent(location.href) + "&rks=" + unsafeWindow.Hatena.Visitor.RKS).
			next(function (res) {
				return JSON.parse(res.responseText);
			});
		}).
		error(function (e) {
			alert(e);
		});
	}

	// addColorStar("http://h.hatena.ne.jp/cho45/9234093201515887789", "green");

} })();