/*
 * Licensed Materials - Property of IBM
 *
 * IBM Cognos Products: SHARE
 *
 * (C) Copyright IBM Corp. 2015, 2019
 *
 * US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with
 * IBM Corp.
 */
define([
	'bi/commons/ui/View', 'bi/sharecommon/utils/translator', 'bi/schedule/app/appControler',
	'bi/notifications/app/n10nController'
], function(view, t, controler, n10nController) {

	var SubscriptionButtonView = view.extend({

		type : '',
		reportId : '',
		context: {},
		isNotificationStateAvailable: false,
		notificationState: false,

		onRender: function(context) {

			this.context = context;

			if (context.glassContext &&
				context.glassContext.appController &&
				context.glassContext.appController.currentAppView &&
				context.glassContext.appController.currentAppView.defaultContent) {

				this.type = this._setType(context.glassContext.appController.currentAppView.defaultContent);
				this.reportId = this._setReportId(context.glassContext.appController.currentAppView.defaultContent);

			}

			if (this._isNotifyMeOptionRequired()) {
				this._getNotificationState();
			}
		},

		onSelectItem: function(context) {
			var id = context.target.itemId;
			var idTokens = id.split('.');
			var key = idTokens[idTokens.length - 1];
			if(key === 'subscribe') {
				// first check if we have access to the selectedContext. If not, show dialog.
				var contentView = context.glassContext.appController.currentAppView && context.glassContext.appController.currentAppView.currentContentView;
				var content = contentView && contentView.getContent();
				if(content && content.application) {

					var selectedContext = content.application;

					// Check application contains the right info
					var hasStoreID = ( !selectedContext.storeID || selectedContext.storeID == '' )?false:true;
					if ( hasStoreID && !selectedContext.isModified ) {
						var descriptor = {
							name: selectedContext.reportName,
							reportId: selectedContext.storeID,
							type: selectedContext.type
						};

						// Check if there are any parameters
						try {
							var promptParameters = contentView.getParameterValues && contentView.getParameterValues();
							if (!promptParameters) {
								var parameters = content.promptParameters;
								if (parameters) {
									promptParameters = JSON.parse(parameters);
								}
							}
							if ( Array.isArray(promptParameters) && promptParameters.length > 0 ) {
								descriptor.parameters = promptParameters;
							}
						} catch(e) {
							// eslint-disable-next-line no-mixed-spaces-and-tabs
							context.glassContext.appController
								.showErrorMessage(t.translate('error_wrong_subscription_context'), t.translate('error_label_share'));
						}

						controler.showSubscriptionPane(context.glassContext, descriptor);
					} else {
						context.glassContext.appController
							.showErrorMessage(t.translate('error_wrong_subscription_context'), t.translate('error_label_share'));
					}
				} else {
					context.glassContext.appController
						.showErrorMessage(t.translate('error_wrong_subscription_context'), t.translate('error_label_share'));
				}
			} else if (key === 'start_notify_me') {
				var startdescriptor = {
					reportId: this.reportId,
					state: true
				};

				this._toggleNotificationState(t.translate('start_notify_me_toast'), startdescriptor);
			} else if (key === 'stop_notify_me') {
				var stopdescriptor = {
					reportId: this.reportId,
					state: false
				};

				this._toggleNotificationState(t.translate('stop_notify_me_toast'), stopdescriptor);
			}
		},

		isItemVisible: function(context) {
			var id = context.target.itemId;
			var idTokens = id.split('.');
			var key = idTokens[idTokens.length-1];

			if (key === 'stop_notify_me') {

				if (this._isNotifyMeOptionRequired() && this.isNotificationStateAvailable && this.notificationState) {
					// Notification is on, so present option to turn notification off
					return true;
				} else {
					return false;
				}
			} else if (key === 'start_notify_me') {

				if (this._isNotifyMeOptionRequired() && this.isNotificationStateAvailable && !(this.notificationState)) {
					// Notification is off, so present option to turn notification on
					return true;
				} else {
					return false;
				}
			} else if (key === 'subscribe') {

				if (this._isNotifyMeOptionRequired()) {
					// Don't show 'Subscribe' option when 'Notify Me' option is presented
					return false;
				} else {
					return true;
				}
			} else {

				// Unknown key
				return false;

			}

		},

		_setType: function(defaultContent) {
			return defaultContent.type ? defaultContent.type : '';
		},

		_setReportId: function(defaultContent) {
			if (this.type === 'output' && defaultContent.reportProperties && defaultContent.reportProperties.id) {
				return defaultContent.reportProperties.id;
			} else if (defaultContent.id) {
				return defaultContent.id;
			} else {
				return '';
			}
		},

		_isNotifyMeOptionRequired: function() {
			return (this.type === 'output');
		},

		_getNotificationState: function() {
			if(this.reportId && this.context) {
				n10nController.getNotificationState(this.reportId, this.context).then(
					function(data) { this._setThisNotificationState(data); }.bind(this)).catch(
					function() {
						// Unable to retrieve notification state as expected
						this.isNotificationStateAvailable = false;
					}.bind(this));
			}
		},

		_setThisNotificationState: function(data, message) {
			if (data && data.state !== null) {
				this.isNotificationStateAvailable = true;
				this.notificationState = data.state;
				if (message) {
					this.context.glassContext.appController.showToast(message, {
						'type': 'info',
						'preventDuplicates': false
					});
				}
			} else {
				// Unable to resolve notification state as expected
				this.isNotificationStateAvailable = false;
			}
		},

		_toggleNotificationState: function(message, descriptor) {
			if(this.reportId && this.context) {
				n10nController.updateNotificationState(descriptor, this.context).then(
					function(data) { this._setThisNotificationState(data, message); }.bind(this)).catch(
					function() {
						// Unable to update notification state as expected
						this.isNotificationStateAvailable = false;
					}.bind(this));
			}
		}

	});

	return SubscriptionButtonView;
});