/*
	Sets up the daily quiz, making all the io requests
	in parallel.
*/
var TheDailyQuiz = Class.create({
	
	appUrl : null,
	addUrl : null,
	dailyQuizUrl : null,
	appParams : null,
	currentUser : null,
	userInfo : null,
	currentQuiz : null,
	currentState : null,
	
	errorFlag : null,
	readyInterval : null,
	readyCount : 0,
	
	measure : null,
	
	initialize : function(_appUrl, _addUrl, _dailyQuizUrl) {
		this.appUrl = _appUrl;
		this.addUrl = _addUrl;
		this.dailyQuizUrl = _dailyQuizUrl;
		this.measure = new Metrics(_dailyQuizUrl);
		this.appParams = this.getAppParams();
		
		// Analytics
		var userFrom = 'unknown';
		if (this.appParams != null && this.appParams.from != null)
			userFrom = this.appParams.from;
		
		// Ask new users to add app
		var osEnv = gadgets.views.getParams();
		if (osEnv.installState == '0' || osEnv.installState == 0) {
			this.measure.google('newuser', userFrom);
			window.top.location = this.addUrl;
			return;
		}
		
		this.measure.google('returninguser', userFrom);
		this.readyInterval = window.setInterval(this.goReady.bind(this), 100);
		this.requestCurrentUser();
		this.requestUserInfo();
		this.requestCurrentQuiz(null);
	},
	
	goReady : function() {
		if (this.errorFlag == true) {
			window.clearInterval(this.readyInterval);
			
			this.measure.google('load-error', 'loading-canvas');
			
			Debug.error('Error flag raised!');
			$('loadNotice').hide();
			$('loadError').show();
		}
		else if (this.readyCount == 0) {
			window.clearInterval(this.readyInterval);
			
			var userState = 'newuser-load-success';
			if (this.currentUser.isAppUser)
				userState = 'appuser-load-success';
			
			// this.measure.google(userState, 'loading-canvas');
			
			Debug.info('The Daily Quiz is loaded and ready!');
			$('loadNotice').hide();
			$('canvas').show();
			this.goEditor();
		}
	},
	
	requestCurrentQuiz : function(handle) {
		Debug.log('DailyQuiz.requestCurrentQuiz');

		// Setup call
		var params = {};
		params[gadgets.io.RequestParameters.CONTENT_TYPE] = gadgets.io.ContentType.JSON;
		params[gadgets.io.RequestParameters.AUTHORIZATION] = gadgets.io.AuthorizationType.NONE;
		params[gadgets.io.RequestParameters.METHOD] = gadgets.io.MethodType.GET;
		 
		 var serviceUrl = this.dailyQuizUrl + 'quiz_json.php';
		 if (handle != null && handle.length > 0)
		 	serviceUrl += '?quiz_handle=' + handle;

		++this.readyCount;
		Debug.info('Sending current quiz req... ' + serviceUrl); 
		gadgets.io.makeRequest(serviceUrl, this.handleCurrentQuizRequest.bind(this), params);
	},
	
	handleCurrentQuizRequest : function(response) {
		Debug.log('TheDailyQuiz.handleCurrentQuizRequest');
		// this.measure.google('quiz-edit', 'thedailyquiz');
		
		if (response.errorCode) {
			Debug.error('TheDailyQuiz.handleCurrentQuizRequest: ' + response.errorCode);
			this.errorFlag = true;
			return;
		}
		
		this.currentQuiz = gadgets.json.parse(response.text);
		
		Debug.group('Got current quiz.');
		Debug.dump(this.currentQuiz);
		Debug.groupEnd();
		--this.readyCount;
	},
	
	requestUserInfo : function() {
		Debug.log('DailyQuiz.requestUserInfo');

		// Setup call
		var params = {};
		params[gadgets.io.RequestParameters.CONTENT_TYPE] = gadgets.io.ContentType.JSON;
		params[gadgets.io.RequestParameters.AUTHORIZATION] = gadgets.io.AuthorizationType.SIGNED;
		params[gadgets.io.RequestParameters.METHOD] = gadgets.io.MethodType.GET;
		 
		var serviceUrl = this.dailyQuizUrl + 'load.php';
		
		// this is a non-blocking load :)		
		// ++this.readyCount;
		Debug.info('Sending user info req... ' + serviceUrl); 
		gadgets.io.makeRequest(serviceUrl, this.handleUserInfoRequest.bind(this), params);
	},
	
	handleUserInfoRequest : function(response) {
		Debug.log('TheDailyQuiz.handleUserInfoRequest');
		
		if (response.errorCode) {
			Debug.error('TheDailyQuiz.handleUserInfoRequest: ' + response.errorCode);
			this.errorFlag = true;
			return;
		}
		
		this.userInfo = gadgets.json.parse(response.text);
		
		Debug.group('Got user info.');
		Debug.dump(this.userInfo);
		Debug.groupEnd();
		// this is a non-blocking load :)		
		// --this.readyCount;
	},
	
	requestCurrentUser : function() {
		Debug.log('DailyQuiz.requestCurrentUser');
		
		// Get viewer, viewer friends, viewer friends with app
		var req = opensocial.newDataRequest();
		req.add(req.newFetchPersonRequest(opensocial.IdSpec.PersonId.VIEWER), 'viewer');
		
		// get all friends, and friends with app
		var friendIds = opensocial.newIdSpec({ userId: 'VIEWER', groupId: 'FRIENDS' });
		var friendParams = { };
		friendParams[opensocial.DataRequest.PeopleRequestFields.FILTER] = opensocial.DataRequest.FilterType.HAS_APP;
		
		req.add(req.newFetchPeopleRequest(friendIds), 'viewer_friends');
		req.add(req.newFetchPeopleRequest(friendIds, friendParams), 'viewer_friends_with_app');
		
		++this.readyCount;
		Debug.info('Sending current user req...');
		req.send(this.handleCurrentUserRequest.bind(this));
	},
	
	handleCurrentUserRequest : function(response) {
		Debug.log('DailyQuiz.handleCurrentUserRequest');
		
		var viewer_data = null;
		var viewer_friends_data = null;
		var viewer_friends_with_app_data = null; 
		
		// Get friend data
		var viewer_friends = response.get('viewer_friends');
		if (viewer_friends.hadError()) {
			Debug.error('DailyQuiz.handleCurrentUserRequest: ' + viewer_friends.getErrorMessage());
			this.measure.google('error', 'canvas-handleCurrentUserRequest');
			this.errorFlag = true;
			return;
		} else {
			viewer_friends_data = viewer_friends.getData().asArray();
			Debug.info('Got current user friends: ' + viewer_friends_data.length);
		}
		
		// Get friends with app data
		var viewer_friends_with_app = response.get('viewer_friends_with_app');
		if (viewer_friends_with_app.hadError()) {
			Debug.error('DailyQuiz.handleCurrentUserRequest: ' + viewer_friends_with_app.getErrorMessage());
			this.errorFlag = true;
			return;
		} else {
			viewer_friends_with_app_data = viewer_friends_with_app.getData().asArray();
			Debug.info('Got current user friends with app: ' + viewer_friends_with_app_data.length);
		}
		
		// Get current user data
		var viewer = response.get('viewer');
		if (viewer.hadError()) {
			Debug.error('DailyQuiz.handleCurrentUserRequest: ' + viewer.getErrorMessage());
			this.errorFlag = true;
			return;
		} else {
			Debug.info('Got current user.');
			viewer_data = viewer.getData();
			
			var isAppUser = true;
			var osEnv = gadgets.views.getParams();
			if (osEnv.installState == '0' || osEnv.installState == 0)
				isAppUser = false;
				
			this.currentUser = new User(viewer_data, isAppUser);
			this.currentUser.addFriends(viewer_friends_data, viewer_friends_with_app_data);
		}
		
		Debug.group('Got current user: ' + this.currentUser.msid);
		Debug.dump(this.currentUser);
		Debug.groupEnd();
		--this.readyCount;
	},
	
	getAppParams : function() {
		if (this.appParams != null)
			return this.appParams;
			
		Debug.group('Getting params.');
		
		var locationParams = document.location.toString();
		locationParams = locationParams.split('?');
		if (locationParams.length >= 2)
		{
			locationParams = locationParams[1].split('&');
		
			for (var i = 0; i < locationParams.length; ++i) {
				Debug.dump(locationParams[1]);
				
				if (locationParams[i].substr(0,2) == 'p=') {
					var pParam = unescape(decodeURI(locationParams[i].substr(2)));
					this.appParams = gadgets.json.parse(pParam);
					
					Debug.info('Found app params: ');
					Debug.dump(this.appParams);
					return this.appParams;
				}
			}
		}
			
		Debug.warn('No app params.');
		Debug.groupEnd();
	},
	
	/*
		State transitions start here.
	*/
	goEditor : function() {
		Debug.log('goEditor');
		
		this.currentState = new QuizEditorState(this.currentUser, 
			this.currentQuiz,
			$('canvas'),
			this.goSaveQuiz.bind(this));
	},
	
	goSaveQuiz : function(quiz) {
		Debug.log('goSaveQuiz');
		// this.measure.invite('edit');
		
		this.currentQuiz = quiz;
		this.goAskBulletin();
	},
	
	goAskProfile : function(status) {
		Debug.log('goAskProfile');
		this.measure.google('profile-ask', 'edit');
		
		this.currentState = new DialogState(this.currentUser,
			$('canvas'),
			'Put your quiz on your profile?',
			' Yes ',
			this.goPostToProfile.bind(this),
			' No ',
			this.goAskBulletin.bind(this));	
	},
	
	goPostToProfile : function () {
		Debug.log('goPostToProfile');
		this.measure.google('profile-post', 'profile-ask');
		
		var os_token = MyOpenSpace.MySpaceContainer.OSToken;
		var osContainer = opensocial.Container.get();
		var supported = osContainer.getMySpaceEnvironment().getSupportedPostToTargets();

		var skip = true;
		for (var i = 0; i < supported.length; ++i) {
			if (supported[i] == MyOpenSpace.PostTo.Targets.PROFILE)
				skip = false;
		} 
		
		if (skip) {
			this.goAskBulletin();
		} else {
			var caption = '<h1><a href="' + this.measure.getHref(this.appUrl, 'profile-post') + '">Take my quiz!</a></h1>';
			var msg = opensocial.newMessage(caption + this.currentQuiz.content + caption);
			msg.setField(opensocial.Message.Field.TITLE, 'Take my quiz!');
			msg.setField(opensocial.Message.Field.TYPE, MyOpenSpace.PostTo.Targets.PROFILE);
			
			osContainer.postTo(os_token, msg, this.currentUser.osPersonObj, this.goAskBulletin.bind(this));
		}
	},
	
	goAskBulletin : function(status) {
		Debug.log('goAskBulletin');
		this.measure.google('bulletin-ask', 'profile-ask');
		
		if (status != undefined && status != MyOpenSpace.PostTo.Result.CANCELLED)
			this.measure.invite('profile');
		
		this.currentState = new DialogState(this.currentUser,
			$('canvas'),
			'Post the quiz to your bulletin',
			' Yes ',
			this.goPostToBulletin.bind(this),
			' No ',
			this.goPostFeeds.bind(this));	
	},
	
	goPostToBulletin : function() {
		Debug.log('goPostToBulletin');
		this.measure.google('bulletin-post', 'bulletin-ask');
		
		var captionBefore = '<h1><a href="' + this.measure.getHref(this.appUrl, 'bulletin-post1') + '">Take my quiz!</a></h1>';
		var captionAfter = '<h1><a href="' + this.measure.getHref(this.appUrl, 'bulletin-post2') + '"><img src="http://static.thedailyq.pollection.com/images/take1.gif" alt="Take my quiz!"></a></h1>';
		
		var params = { };
		params[opensocial.Message.Field.TYPE] = opensocial.Message.Type.NOTIFICATION;
		params[opensocial.Message.Field.TITLE] = 'Take my quiz!';
		
		var message = opensocial.newMessage(captionBefore + this.currentQuiz.content + captionAfter, params);
		opensocial.requestSendMessage('VIEWER', message, this.goPostFeeds.bind(this));
		
	},
	
	goPostFeeds: function(status) {
		Debug.log('goPostFeeds');
		this.measure.google('feed', 'bulletin-ask');
		
		if (status && !status.hadError() && status.getData() != 0)
			this.measure.invite('bulletin');
		
		var params = { };
		params[opensocial.Activity.Field.TITLE_ID] = 'tdq';
		opensocial.requestCreateActivity(opensocial.newActivity(params), opensocial.CreateActivityPriority.HIGH, this.goAskFriends.bind(this));
	},
	
	goAskFriends : function(status) {
		Debug.log('goAskFriends');
		this.measure.google('comment-ask', 'feed');
		
		this.currentState = new DialogState(this.currentUser,
			$('canvas'),
			'Invite your friends to take this quiz?',
			' Yes ',
			this.goFriendSelector.bind(this),
			' No ',
			this.goAskZoosk.bind(this));	
	},
	
	goFriendSelector : function(status) {
		Debug.log('goFriendSelector');
		this.measure.google('friend-select', 'comment-ask');

		this.currentState = new FriendSelectorState(
			this.appUrl,
			$('canvas'), 
			this.currentUser.friends,
			this.currentQuiz,
			this.goAskZoosk.bind(this),
			this.measure
			);
	},
	
	goThanks : function() {
		Debug.log('goThanks');
		
		var promotions = '<ul>';
		promotions += '<li><a target="_top" href="http://profile.myspace.com/Modules/Applications/Pages/Canvas.aspx?appId=100683&appParams=%7B%22from%22%3A%22TDQ_MS%22%2C%22z_page%22%3A%22home%22%7D">Zoosk</a></li>';
		promotions += '<li><a target="_top" href="http://profile.myspace.com/Modules/Applications/Pages/Canvas.aspx?appId=110084&appParams=%7B%22from%22%3A%22TDQ_MS%22%7D">LX Football</a></li>';
		promotions += '</ul>';
		
		$('canvas').update('<h1>Thanks for playing! Come back tomorrow for a brand new quiz!</h1><br/><br/><h3>Check out other games:</h3>' + promotions);
		$('canvas').show();
	},
	
	goAskZoosk : function() {
		Debug.log('goAskZoosk');
		this.measure.google('zoosk-ask', 'comment-ask');
		
		this.currentState = new DialogState(this.currentUser,
			$('canvas'),
			'Based on your quiz results, we have found a few people that match your personaility in your area. Would you like to see them?',
			' Yes ',
			this.goZoosk.bind(this),
			' No ',
			this.goThanks.bind(this));
	},
	
	goZoosk : function() {
		Debug.log('goZoosk');
		this.measure.google('zoosk-yes', 'zoosk-ask');
		window.top.location = 'http://profile.myspace.com/Modules/Applications/Pages/Canvas.aspx?appId=100683&appParams=%7B%22z_page%22%3A%22home%22%2C%22from%22%3A%22TDQ_MS%22%7D';
	},
	
	goHome : function() {
		Debug.log('goHome');
		this.measure.google('zoosk-no', 'zoosk-ask');
		window.top.location = 'http://home.myspace.com/index.cfm?fuseaction=user';
	}
	
});