angular.module('app')

.factory('User', function(
	$http,
	$q,
	$localstorage,
	SERVER,
	CLIENTS,
	$cordovaOauth,
	$state,
	$cordovaFileTransfer
) {
	var o = {
		session_id: false,
		name: false,
		username: false,
		since: false,
		image: false,
		reports: false,
		comments: false,
		level: false,
		fbAccessToken: false,
		fbInfo: false,
		isAFacebookUser: false
	};

	o.getStatistics = function() {
		var req = {
			method: 'GET',
			url: SERVER.url + '/api/v1/user/stats',
			headers: {
				'SessionId': o.session_id
			}
		}
		return $http(req).success(function(data) {
			// merge data
			o.reports = data.user.report_count;
			o.comments = data.user.comment_count;
			o.level = data.user.level;
		});
	}

	o.finishSignup = function(userdata) {
		var params = {
			auth_api: {
				username: userdata.username,
				birthdate: userdata.birthdate,
				gender: userdata.gender
			}
		};

		var req = {
			method: 'POST',
			url: SERVER.url + '/api/v1/auth/finish_signup',
			headers: {
				'SessionId': o.session_id,
			},
			data: params
		};

		return $http(req).success(function(data) {
			o.setSession(data.session_id, data.user.name, data.user.username, data.user.since, data.user.avatar_url, data.user.report_count, data.user.comment_count, data.user.level);
		});
	}

	o.fbSignIn = function() {
		return $cordovaOauth.facebook(CLIENTS.facebook, ["email"]).then(function(result) {
			o.fbAccessToken = result.access_token;
		}, function(error) {
			var messagere = /flow/
			if (!messagere.test(error)) {
				alert("Error -> " + error);
			}
			console.log("Error -> " + error);
		});
	}

	o.fbGetData = function() {
		return $http.get('https://graph.facebook.com/v2.2/me', { params: { access_token: o.fbAccessToken, fields: 'id,email,name', format: 'json' } }).then(function(response) {
			o.fbInfo = response.data;
		});
	}

o.fbAuth = function() {
		var params;

		params = {
			auth_api: {
				email: o.fbInfo.email,
				name: o.fbInfo.name,
				picture: 'http://graph.facebook.com/' + o.fbInfo.id + '/picture'
			}
		};

		var req = {
			method: 'POST',
			url: SERVER.url + '/api/v1/auth/signin',
			headers: {
				'Uid': o.fbInfo.id
			},
			data: params
		};

		return $http(req).success(function(data) {
			o.isAFacebookUser = true;
			o.setSession(data.session_id, data.user.name, data.user.username, data.user.since, data.user.avatar_url, data.user.report_count, data.user.comment_count, data.user.level);
		});
	}

	o.auth = function(username, password, signingUp, signinUpData) {
		var authRoute;
		var params;
		if (signinUpData) {
			params = {
				auth_api: {
					email: signinUpData.email,
					name: signinUpData.name,
					username: signinUpData.username,
					password: signinUpData.password,
					gender: signinUpData.gender,
					birthdate: signinUpData.birthdate
				}
			};
		} else {
			params = {};
		}

		if (signingUp) {
			authRoute = 'signup';
		} else {
			authRoute = 'signin';
		}

		var req = {
			method: 'POST',
			url: SERVER.url + '/api/v1/auth/' + authRoute,
			headers: {
				'Username': username,
				'Password': password
			},
			data: params
		};
		return $http(req).success(function(data) {
			o.setSession(data.session_id, data.user.name, data.user.username, data.user.since, data.user.avatar_url, data.user.report_count, data.user.comment_count, data.user.level);
		});
	}

	// Set the session data
	o.setSession = function(session_id, name, username, since, image, reports, comments, level) {
		if (session_id) o.session_id = session_id;
		if (name) o.name = name;
		if (username) o.username = username;
		if (since) o.since = since;
		if (image) {
			var facebookre = /facebook/;
			if (!facebookre.test(image)) {
				o.image = SERVER.url + image;
			} else {
				o.image = image;
			}
		} else {
			o.image = 'img/missing.png';
		}
		o.reports = reports;
		o.comments = comments;
		if (level) o.level = level;

		$localstorage.setObject('user', { session_id: session_id, name: name, username: username, since: since, comments: comments, reports: reports, image: image });
	}

	// Check for available session
	o.checkSession = function() {
		var defer = $q.defer();

		if (o.session_id) {
			// if session is already initialized in the service
			defer.resolve(true);
		} else {
			// detect if there is a session in localstorage from previous use
			// if it is, pull it into service
			var user = $localstorage.getObject('user');

			if (user.session_id) {
				// if there is a user, lets get information from server
				o.setSession(user.session_id, user.name, user.username, user.since, user.image, false, false, false)
				var facebookre = /facebook/
				if (facebookre.test(user.image)) {
					o.isAFacebookUser = true;
				}
				o.getStatistics().then(function() {
					defer.resolve(true);
				}, function(reason) {
					o.destroySession();
					defer.resolve(false);
				});
			} else {
				// no user info in localstorage, reject
				defer.resolve(false);
			}
		}
		return defer.promise;
	}

	o.fbUser = function() {
		return o.isAFacebookUser;
	}

	o.destroySession = function() {
		$localstorage.setObject('user', {});
		o.session_id = false;
		o.name = false;
		o.username = false;
		o.since = false;
		o.image = false;
		o.reports = false;
		o.comments =  false;
		o.level = false;
		o.isAFacebookUser = false;
	}

	o.recoverPassword = function(email) {
		var req = {
			method: 'POST',
			url: SERVER.url + '/api/v1/auth/recover',
			data: {
				auth_api: {
					email: email
				}
			}
		};
		return $http(req);
	}

	o.changePicture = function(session_id, newImage) {
		var options = {
			fileKey: 'user_api[image]',
			headers: {
				'SessionId': session_id
			},
			params: {

			}
		};

		var url = SERVER.url + '/api/v1/user/change_picture';


		return	$cordovaFileTransfer.upload(url, newImage, options);
	}

	o.setImage = function(newImage) {
		o.image = newImage;
	}

	return o;
});