const methods = {
	/**
	 * Hide Modal
	 * @param 	{String} 	Modal ID
	 *
	 */
	hideModal: function (id) {
		$(id).modal('hide');
	},

	/**
	 * Check if Login
	 *
	 * @return 	{Boolean}	isLogin
	 */
	isLogin: function () {
		if (!localStorage['Access Token']) {
			return false;
		}

		if (this.isSessionExpired()) {
			this.clearSession();
			return false;
		}

		return true;
	},

	isSessionExpired: function () {
		var expiresAt = localStorage.getItem('token_expires_at');
		if (!expiresAt) {
			return false;
		}

		return Date.now() >= new Date(expiresAt).getTime();
	},

	clearSession: function () {
		localStorage.removeItem('Access Token');
		localStorage.removeItem('token_expires_at');
		localStorage.removeItem('admin_role');
		localStorage.removeItem('admin_session');
		localStorage.removeItem('is_impersonating');
		delete axios.defaults.headers.common['Authorization'];
	},

	persistLoginSession: function (token, expiresAt, options) {
		options = options || {};
		var bearer = token.indexOf('Bearer ') === 0 ? token : 'Bearer ' + token;
		localStorage['Access Token'] = bearer;

		if (expiresAt) {
			localStorage.setItem('token_expires_at', expiresAt);
		} else {
			localStorage.removeItem('token_expires_at');
		}

		if (options.adminRole !== undefined && options.adminRole !== null) {
			localStorage.setItem('admin_role', String(options.adminRole));
		}

		if (options.adminSession) {
			localStorage.setItem('admin_session', '1');
		}

		if (options.clearAdminSession) {
			localStorage.removeItem('admin_role');
			localStorage.removeItem('admin_session');
		}

		this.setAuthorization();
	},

	handleUnauthorized: function (router) {
		var isAdminPath = window.location.pathname.indexOf('/admin') === 0;
		this.clearSession();

		if (!router || !router.currentRoute) {
			window.location.href = isAdminPath ? '/admin/login' : '/login';
			return;
		}

		var routeName = router.currentRoute.name;
		if (routeName === 'Voter Login' || routeName === 'Admin Login') {
			return;
		}

		router.replace({ name: isAdminPath ? 'Admin Login' : 'Voter Login' });
	},

	/**
	 * True when the browser session is for the admin portal (not a voter-only token).
	 */
	isAdminPortalSession: function () {
		return localStorage.getItem('admin_role') != null || localStorage.getItem('admin_session') === '1';
	},

	/**
	 * Route name to open for the current admin session (role 3 is restricted to kehadiran).
	 */
	getAdminEntryRoute: function () {
		if (localStorage.getItem('admin_role') === '3') {
			return { name: 'Kehadiran Calon' };
		}
		return { name: 'Admin Home' };
	},

	/**
	 * Log a messages
	 * @param 	{String}	Message
	 *
	 */
	log: function (message) {
		if (config.debug) console.log(message);
	},

	/**
	 * Show an alert message
	 * @param {String}		message to be Shown
	 * @param {String}		type of message (info|error|loading|success)
	 * @param {Boolean}		if message will be closed imediately (true|false)
	 * @return {Notify}		
	 */
	notify: function (message, label = 'info', progress) {

		let delay = 5000;
		let type = 'info';
		let icon = 'fa fa-info';

		switch (label) {
			case 'error':
				type = 'danger';
				icon = 'fa fa-warning';
				break;
			case 'loading':
				delay = 0;
				icon = 'fa fa-refresh fa-spin';
				break;
			case 'success':
				type = 'success';
				icon = 'fa fa-check';
				break;
			case 'progress':
				$.notifyClose();
				delay = 0;
				message = `<label>${message}</label>
							<div class="progress">
								<div class="progress-bar progress-bar-green" role="progressbar" aria-valuenow="${progress}" aria-valuemin="0" aria-valuemax="100" style="width: ${progress}%">
								</div>
							</div>`;
				icon = 'fa fa-refresh fa-spin';
				break;
		}

		return $.notify({
			message: message,
			icon: icon
		}, {
			type: type,
			delay: delay,
			placement: { from: 'top', align: 'center' }
		});
	},


	/** 
	 * Set Authorization for all outgoing request
	 * 
	 */
	setAuthorization: function () {
		axios.defaults.headers.common['Authorization'] = localStorage['Access Token'];
		$.ajaxSetup({ headers: { 'Authorization': localStorage['Access Token'] } });
	},


	/**
	 * Set the title of the webpage
	 * @param 	{String}	Title
	 *
	 */
	setTitle: function (title) {
		$('title').text(title);
	},

	/**
	 * Get the error Message
	 * @param 	{String}	Data
	 * @param 	{Int}		Response Status
	 * @return 	{String}	Error Message
	 */
	getErrorMessage: function (data, status) {
		var message = '';
		switch (status) {
			case 200:
				message = data.message;
				break;
			case 422:
				// Laravel validation errors are usually:
				// { message: "...", errors: { field: ["..."] } }
				// but some endpoints may return { status, message }.
				data = typeof data == 'string' ? JSON.parse(data) : data;

				if (!data) {
					message = 'Sila semak semula input anda.';
					break;
				}

				if (data.errors && typeof data.errors === 'object') {
					for (var field in data.errors) {
						var arr = data.errors[field];
						if (Array.isArray(arr)) {
							arr.forEach(function (y) { message += y + '<br/>'; });
						} else if (typeof arr === 'string') {
							message += arr + '<br/>';
						}
					}
					break;
				}

				if (typeof data.message === 'string') {
					message = data.message;
					break;
				}

				// Fallback: if it's a plain object, join any string/array values
				if (typeof data === 'object') {
					for (var i in data) {
						var v = data[i];
						if (Array.isArray(v)) {
							v.forEach(function (y) { message += y + '<br/>'; });
						} else if (typeof v === 'string') {
							message += v + '<br/>';
						}
					}
				}
				break;
			case 401:
				message = 'Sila log masuk terlebih dahulu.';
				break;
			default:
				message = 'Ralat telah berlaku.';
				break;
		}
		return message;
	},

	/**
	 * Show the modal
	 * @param 	{String}	Modal ID
	 * 
	 */
	showModal: function (id) {
		$(id).modal('show');
	},

	/**
	 * Show result from an http request
	 * @param 	{Response}	response
	 * @param 	{Type}		responseType (error|success)
	 * @param 	{library}	Library used (ajax|axios) 		Default : axios
	 */
	showResult: function (response, type, library = 'axios') {
		this.log(response);
		var isSuccess = data => data.status == 'success';
		if (library == 'axios') {
			if (type == 'success') {
				if (isSuccess(response.data)) {
					this.notify(response.data.message, 'success');
					return true;
				} else {
					this.notify(response.data.message, 'error');
				}
			} else {
				var status = response.response ? response.response.status : 500;
				var message = this.getErrorMessage(response.response.data, status);
				this.notify(message, 'error');
				return status;
			}
		} else if (library == 'ajax') {
			if (type == 'success') {
				if (isSuccess(response)) {
					this.notify(response.message, 'success');
					return true;
				} else {
					this.notify(response.message, 'error');
				}
			} else if (type == 'error') {
				var status = response.status;
				var message = this.getErrorMessage(response.responseText, status);
				this.notify(message, 'error');
				return status;
			}
		}
	}
}

const data = {
	baseURL: config.baseURL,
	API: config.API,
	storageURL: config.storageURL,
	elections: [],
	election: {},
	user: {},
	positions: [],
	position: {},
	partylists: [],
	partylist: {},
	voters: {},
	voter: {},
	nominees: [],
	nominee: {},
	admins: [],
	information: {},
	result: [],
	results: [],
	last_update: new Date()
}

export default {
	data: function () {
		return {
			util: methods,
			data: data
		}
	}
}

export { methods };