(function() {
	//刷票次数监控
	chrome.extension.onRequest.addListener(function (request, sender, sendResponse) {
		switch (request.ticketEvent) {
		case 'login':
			Storage.remove('mid8BusPop');
			break;
		case 'refresh':
			var times = parseInt(request.times, 10),
				now = (new Date().getTime());

			if (now >= config.adv.mid8range[0] && now < config.adv.mid8range[1]
				&& times >= config.adv.ticketTimes && Storage.get('mid8BusPop') === null) {

				Storage.set('mid8BusPop', now);
				Storage.set('showStage', {name: 'advBusTicket'});
				Util.popup();
				setTimeout(function() {
					var showStage = Storage.get('showStage');
					if (showStage && JSON.parse(showStage).name == 'advBusTicket') {
						Storage.remove('showStage');
					}
				}, 5000);
			}
			break;
		}
	});

	//标签情况监控
	var tabsOf12306 = {},
		reg = /http(s)?:\/\/(.*?\.)?12306.cn(\/.*?)?$/i,
		is12306 = function(tabInfo) {
			return tabInfo.url && reg.test(tabInfo.url);
		};

	//获取已有的所有视窗信息
	chrome.windows.getAll({populate: true},function(windowsInfos) {
		var i,
			j,
			windowId,
			onClosed = function(tabId) {
				if (!tabsOf12306[tabId]) {
					return ;
				}
				//离开了12306页面
				delete tabsOf12306[tabId];

				if (Object.keys(tabsOf12306).length !==0) {
					return ;
				}
				
				var now = (new Date().getTime());
				if (now < config.adv.mid8range[0] || now >= config.adv.mid8range[1]) {
					return ;
				}
				if (now - parseInt(Storage.getWithDefault('mid8PresentPop', 10)) < config.adv.presentInterval) {
					return ;
				}

				Storage.set('mid8PresentPop', now);
				Storage.set('showStage', {name: 'advPresent'});
				Util.popup();
				setTimeout(function() {
					var showStage = Storage.get('showStage');
					if (showStage && JSON.parse(showStage).name == 'advPresent') {
						Storage.remove('showStage');
					}
				}, 5000);
			};

		for (i = windowsInfos.length - 1; i >= 0; i--) {
			windowId = windowsInfos[i].id;
			for (j = windowsInfos[i].tabs.length - 1; j >= 0; j--) {
				if (is12306(windowsInfos[i].tabs[j])) {
					tabsOf12306[windowsInfos[i].tabs[j].id] = windowId;
				}
			}
		}

		chrome.tabs.onCreated.addListener(function (tab) {
			if (is12306(tab)) {
				tabsOf12306[tab.id] = tab.windowId;
			}
		});
		chrome.tabs.onUpdated.addListener(function (tabId, changeInfo, tab) {
			if (is12306(tab)) {
				tabsOf12306[tabId] = tab.windowId;
			} else {
				onClosed(tabId);
			}
		});
		chrome.tabs.onRemoved.addListener(function (tabId, removeInfo) {
			onClosed(tabId);
		});
	});
}());