//12306入口引导脚本

(function (window, document) {
	var basePath = window.location.protocol + "//" + window.location.host + "/js/";
	var pagename = /\/(\w+?)\.html/.exec(location.pathname) && RegExp.$1 || "index";

	var loadScript = function (path, callback) {
		var script = document.createElement("script");
		script.src = basePath + path;
		script.onload = function () {
			callback();
			document.head.removeChild(script);
		};
		document.head.appendChild(script);
	};

	//block aq
	var checkDirectAccess = function (extVer) {
		var version = parseInt((extVer || "").replace(/\./g, ""));
		if (version >= 760) {
			if (localStorage["noDirectAccess"])
				localStorage.removeItem("noDirectAccess");
		} else {
			localStorage["noDirectAccess"] = "1";
		}
	};

	//extend jquery
	$.fn.extend({
		searchDelay: function (opts) {
			var SearchDelay = function (e, opt) {
				var __ = this;
				this.$element = e;
				this.timer = null;
				this.opt = $.extend(SearchDelay.defaults, opt);

				this.$element.keyup(function () {
					__.reset();
					__.timer = setTimeout(function () {
						__.search.apply(__);
					}, __.opt.delay);
				});
			};
			SearchDelay.defaults = {
				delay: 300
			};
			SearchDelay.prototype.search = function () {
				this.$element.trigger("search", this.$element.val());
			};
			SearchDelay.prototype.reset = function () {
				if (this.timer)
					clearTimeout(this.timer);
			};
			SearchDelay.prototype.cancel = function () {
				this.reset();
				this.$element.val("");
				this.search();
			};
			this.each(function () {
				var key = "fish.searchdelay";
				var $ele = $(this);

				var target = $ele.data(key);
				if (!target) {
					target = new SearchDelay($ele, opts);
					$ele.data(key, target);
				}

				if (typeof (opts) === "string") {
					target[opts].apply(target, $.makeArray(arguments).slice(1));
				}
			});

			return this;
		}
	}
	);
	//fix basic page action
	$(document).on("focus", "input[placeholder]", function () {
		this.dataset.placeholder = this.placeholder;
		this.placeholder = "";
	}).on("blur", "input", function () {
		if (!this.dataset.placeholder)
			return;
		this.placeholder = this.dataset.placeholder;
		this.dataset.placeholder = null;
	});

	//extend underscore
	_.mixin({
		mapObject: function (array, keySelector) {
			var obj = {};
			_.each(array, function (e) {
				obj[keySelector(e)] = e;
			});
			return obj;
		},
		removeFromArray: function (array, obj) {
			if (!array)
				return;

			var idx = _.indexOf(array, obj);
			if (idx !== -1)
				array.splice(idx, 1);
		},
		sortArray: function (array, comparer) {
			//保存原始排序
			var map = {};
			for (var i = 0; i < array.length; i++) {
				map[array[i]] = array[i];
			}
			array.sort(function (x, y) {
				var result = comparer && comparer(x, y);

				return result === 0 ? map[x] - map[y] : result;
			});
		},
		count: function (obj, predicate) {
			predicate = predicate || function () { return true; };

			var count = 0;
			_.each(obj, function () {
				predicate.apply(this, Array.prototype.slice.call(arguments)) && count++;
			});

			return count;
		}
	});
	seajs.config({
		base: basePath
	});

	//检测扩展
	var notInstallExtension = function () {
		seajs.use("ui/noextension");
	};
	var extensionDisabled = function () {
		seajs.use("ui/extesniondisabled");
	};
	window.targetExtensionId = null;
	if ('ontouchstart' in window && navigator.userAgent.toLowerCase().indexOf("mobile") !== -1) {
		self.location.replace("http://12306.m.liebao.cn/?f=pc");
	} else {
		$(function () {
			//确保内容脚本启动
			var start = $.Deferred();
			start.done(function () {
				chrome.runtime.sendMessage(window.targetExtensionId, { action: "getStorage" }, function (m) {
					window.storage = m.detail;
					checkDirectAccess(document.body.dataset["targetExtensionVersion"]);
					//TODO: 因为压缩需要mark所有的页面名，所以不可以用变量计算。
					if (pagename === "index")
						seajs.use("ui/index");

				});
			});
			start.fail(function (reason) {
				if (reason === "disabled")
					extensionDisabled();
				else
					notInstallExtension();
			});
			start.always(function () {
				var page = location.pathname;
				if (location.search) {
					page += location.search + "&";
				} else {
					page += "?";
				}
				page += "bv=" + (document.body.dataset["browserVersion"] || "") + "&ev=" + (document.body.dataset["targetExtensionVersion"] || "");
				//加入百度统计
				window._hmt = window._hmt || [];
				_hmt.push(['_setAutoPageview', false]);
				_hmt.push(['_trackPageview', page]);

				var hm = document.createElement("script");
				hm.src = "//hm.baidu.com/hm.js?c7150a056b54f666f90c1a05e0700798";
				document.getElementsByTagName("head")[0].appendChild(hm);
			});

			var checkExtensionInfo = function () {
				window.targetExtensionId = document.body.dataset["targetExtensionId"];
				window.targetExtensionVersion = document.body.dataset["targetExtensionVersion"];

				if (!window.targetExtensionId) {
					start.reject();
					return;
				}
				//检测版本吗？暂时不需要


				//完成！
				start.resolve();
			};
			var timeout = 5000;

			var waitForStart = function () {
				if (document.body.dataset["mobileSupportInitialized"]) {
					checkExtensionInfo();
				} else {
					var timer = setTimeout(function () {
						start.reject();
					}, timeout);
					document.addEventListener("mobileSupportInitialized", function () {
						window.clearTimeout(timer);
						checkExtensionInfo();
					});
				}
			};

			//var extJson = null;
			//if (window.external.GetExtensionInfoListJson && (extJson = window.external.GetExtensionInfoListJson())) {
			//	var ext = _.findWhere(JSON.parse(extJson), { id: "gkbheeokbgmmnbjhhlphckobccejghjn" });
			//	if (ext) {
			//		if (!ext.enabled)
			//			start.reject("disabled");
			//		else {
			//			timeout = 10000;
			//			waitForStart();
			//		}
			//	} else {
			//		waitForStart();
			//	}
			//} else {
			//	waitForStart();
			//}
			waitForStart();
		});
	}
})(window, document);