/*
 * Licensed Materials - Property of IBM
 * 
 * IBM Cognos Products: SHARE
 * 
 * (C) Copyright IBM Corp. 2015, 2018
 * 
 * US Government Users Restricted Rights - Use, duplication or disclosure
 * restricted by GSA ADP Schedule Contract with IBM Corp.
 */
define([
	'bi/glass/app/ContentView',
	'bi/commons/utils/BidiUtil',
	'bi/schedule/app/appControler',
	'jquery',
	'bi/sharecommon/utils/translator',
	'q',
	'bi/sharecommon/utils/simpledoT',
	'text!bi/schedule/templates/SubscriptionView.html',
	'underscore',
	'bi/commons/ui/widgets/TimePicker',
	'bi/schedule/views/WeeklyCadencePickerView',
	'bi/commons/utils/Utils',
	'bi/schedule/views/FormatPickerView',
	'bi/schedule/views/ScheduleDeliveryPickerView',
	'ca_portal/features/mypreferences/MyPreferences',
	'bi/content_apps/utils/ContentStoreObject',
	'caglass/ajax/CAAuthentication',
	'bi/commons/utils/DateTimeUtils',
	'moment'
],
	function (View, BidiUtil, controler, $, t, Q, dot, template, _,
		TimePicker, WeeklyCadencePicker, Utils, FormatPicker, ScheduleDeliveryPickerView,
		MyPreferences, ContentStoreObject, CAAuthentication, DateTimeUtils, moment) {
		'use strict';

		var subscriptionView = View.extend({
            /**
             * Constructor / initialization function for view
             * 
             * @param options Options that are apart of this view. options.descriptor is <b>required</b> and inside
             * the descriptor object name and reportId are both required.
             * descriptor {
             *      name: 'some-report-name',
             *      reportId: 'some-report-id'
             * }
             */
			init: function (options) {
				subscriptionView.inherited('init', this, arguments);
				this.timezone = options.glassContext.services.userProfile.preferences.timeZoneID;
				this.locale = options.glassContext.services.userProfile.preferences.contentLocale;
				this._initVariables();
				$.extend(this, options);

				if (typeof this.descriptor !== 'undefined' && this.descriptor.name && this.descriptor.reportId) {
					this.id = this.descriptor.id;
					if (this.id) {
						this.isEditMode = true;
					}
					if (this.isEditMode) {
						this.name = this.descriptor.name;
					} else {
						this.name = t.translate("subscription_name", { param: this.descriptor.name });
					}
					this.reportId = this.descriptor.reportId;
					this.type = this.descriptor.type;

					for (var key in this.descriptor.scheduleInfo) {
						this.scheduleInfo[key] = this.descriptor.scheduleInfo[key];
					}
					for (key in this.descriptor.options) {
						this.options[key] = this.descriptor.options[key];
					}
					if (this.descriptor.parameters) {
						this.parameterValues = this.descriptor.parameters;
					}
				}
				else {
					throw "Error: No descriptor was given.";
				}
			},

            /**
             * Render function
             */
			render: function () {
				var deferred = Q.defer();
				var parameterValues = this.parameterValues || [];
				this.showPrompts = parameterValues.length > 0;

				var htmlGenerator = dot.simpleTemplate(template);
				var attributes = {
					report_name: _.escape(BidiUtil.enforceTextDirection(this.name)),
					subscription_header_region: t.translate("subscription_header_region"),
					subscription_panel_title: t.translate("subscription_panel_title"),
					schedule_timepicker_label: t.translate("schedule_time_label"),
					schedule_output_label: t.translate("schedule_output_label"),
					schedule_select_text: t.translate("schedule_select_text"),
					schedule_prompts_label: t.translate("schedule_prompts_label"),
					schedule_create_btn: this.isEditMode ? t.translate("schedule_update_btn_label") : t.translate("schedule_create_btn_label"),
					schedule_cancel_btn: t.translate("schedule_cancel_btn_label"),
					subs_delivery_message: t.translate("subs_delivery_message"),
					schedule_delivery_label: t.translate("schedule_delivery_label"),
					schedule_prompts_text: t.translate("schedule_prompts_text"),
					isUpdate: this.isEditMode,
					uniqueid: _.uniqueId(),
					output_format_select_text: t.translate('output_format_select_text'),
					showPrompts: this.showPrompts
				};

				attributes.subscription_controls_description = t.translate('subscription_controls_description', {
					action1: attributes.schedule_create_btn,
					action2: attributes.schedule_cancel_btn
				});
				this.$el.html(htmlGenerator(attributes));

				// Render the 'widgets' that this subscription view has
				this._setIcons();
				this.renderCadencePicker();
				this.renderTimePicker();
				this.renderOutputFormatPicker();
				this.renderDeliveryPicker();

				if (this.showPrompts) {
					this.renderPromptRow();
				}

				this._setEvents();

				deferred.resolve(this);
				return deferred.promise;
			},

			setFocus: function () {
				this.$el.find('.schedule_button_groups').children().first().focus();
			},

			renderCadencePicker: function () {
				this.cadencePicker = new WeeklyCadencePicker({
					$el: this.$el.find(".schedule_cadence_picker"),
					glassContext: this.glassContext,
					objectInformation: {
						showRunEvery: false,
						showDailyInterval: false,
						descriptor: {
							scheduleInfo: this.scheduleInfo
						}
					}
				});
				this.cadencePicker.render();
			},

			renderTimePicker: function () {
				this.timePicker = new TimePicker({
					$el: this.$el.find(".schedule_time_picker_container"),
					timezone: this.timezone,
					attributes: {
						minuteStep: 1,
						showMeridian: !DateTimeUtils.is24HrFormat(this.locale),
						defaultTime: this.scheduleInfo.startDate
					}
				});
				this.timePicker.render();
			},

			renderOutputFormatPicker: function () {
				try {
					var showHtmlOnly = this.type === 'interactiveReport';
					var showPdfOnly = this.type === 'powerPlay8Report' || this.type === 'powerPlay8ReportView';
					this.outputFormatPicker = new FormatPicker({
						$el: this.$el.find('.output_format_list'),
						$toggler: this.$el.find('.output_format_picker'),
						outputFormats: this.options.outputFormat.slice(),
						glassContext: this.glassContext,
						slideoutparent: this.slideout,
						overlay: true,
						showHTML: !showPdfOnly,
						showPDF: !showHtmlOnly && this.glassContext.hasCapability("canGeneratePDFOutput"),
						showExcel: !showHtmlOnly && !showPdfOnly && this.glassContext.hasCapability("canGenerateXLSOutput"),
						showCSV: !showHtmlOnly && !showPdfOnly && this.glassContext.hasCapability("canGenerateCSVOutput"),
						showXML: !showHtmlOnly && !showPdfOnly && this.glassContext.hasCapability("canGenerateXMLOutput")
					});
					this.outputFormatPicker.render();
				}
				catch (e) {
					console.log('There was an error initializing the FormatPicker.', e);
				}
			},

			renderDeliveryPicker: function () {
				try {
					this.deliveryPicker = new ScheduleDeliveryPickerView({
						$el: this.$el.find('.schedule_delivery_picker'),
						$toggler: this.$el.find('.schedule_delivery_picker'),
						$activeOptionsContainer: this.$el.find('.delivery_list.clearfix'),
						reportName: this.name,
						deliveryOptions: this.options.delivery,
						isEditMode: this.isEditMode,
						glassContext: this.glassContext,
						slideoutparent: this.slideout,
						showMobile: this.glassContext.hasCapability("canUseMobileService") && this.type === "interactiveReport",
						showSaveToFileSystem: false,
						overlay: true
					});
					this.deliveryPicker.render();
				}
				catch (e) {
					console.log('There was an error initializing the DeliveryPicker.', e);
				}
			},

			renderPromptRow: function () {
				var _self = this;

				// Provide bare minimum objectInfo
				var _objectInfo = { id: this.reportId };
				this.objectInfo = _objectInfo;

				// Slide out is to the left of parent and is an overlay
				this.$promptTarget = this.$el.find('.prompt_picker_target');
				this.$promptTarget.on('clicktap', function () {
					_self.glassContext.appController.showSlideOut({
						'position': _self.slideout ? null : 'left',
						'parent': _self.slideout,
						'overlay': true,
						'enableTabLooping': true,
						'label': t.translate("schedule_prompt_picker_name"),
						'content': {
							'module': 'bi/content_apps/PromptValuesView',
							'parentView': _self,
							'glassContext': _self.glassContext,
							'promptDisplayValues': ContentStoreObject.getPromptsDisplayValues(_self.parameterValues),
							'parameters': _self.parameterValues,
							'isEditMode': _self.isEditMode,
							'clearCallback': function () {
								if (_self.parameterValues.length > 0) {
									_self._updatePromptValueLabel();
								}
							},
							'editCallback': function (parameters) {
								_self._updatePromptValueLabel(parameters);
							}
						}
					});
				});

				this._updatePromptValueLabel(this.parameterValues);
			},

			_updatePromptValueLabel: function (prompts) {
				// Reset the parameterValues to empty on Clear callback
				this.parameterValues = prompts ? prompts : [];
				var $promptValueLabel = this.$el.find('.currentPromptValues');
				$promptValueLabel.text(this._getPromptValueLabel());
			},

			_getPromptValueLabel: function () {
				var label = t.translate("schedule_prompt_value_label_default");

				if (this.parameterValues && this.parameterValues.length > 0) {
					if (this.parameterValues.length == 1) {
						label = t.translate("schedule_prompt_value_label_single");
					}
					else {
						label = t.translate("schedule_prompt_value_label_multiple", {
							'number': this.parameterValues.length
						});
					}
				}

				return label;
			},

			close: function () {
				var _self = this;
				this.slideout.hide().then(function () {
					_self._runCallback();
				});
			},

    		/**
    		 * Mark the pane as in progress with a semi-transparent overlay
    		 */
			setWorking: function () {
				this.$overlay = this.$el.find(".progress-overlay");
				this.$overlay.show();
			},

    		/**
    		 * Show the view if hidden
    		 */
			setDone: function () {
				if (!this.$overlay) return;
				this.$overlay.hide();
			},

			_setIcons: function () {
				var icons = this.$el.find('.common_schedule_icon');

				for (var i = 0; i < icons.length; i++) {
					var $icon = $(icons[i]);
					Utils.setIcon($icon, 'common-' + $icon.data('icon'), t.translate('svg_expand_icon'));
				}
			},

			_setEvents: function () {
				this.$el.find('.schedule_primary_button').on('clicktap', function () {
					this.setWorking();

					// hide time warning message if any present on create button click
					// if the user input time is still invalid it will show again
					// the message will disappear with a successful creation of schedule
					this.hideWarningMessage();
					if (this.validate()) {
						// if a startDate exists (we are in edit mode), re-use it.
						var localDate;
						if (this.scheduleInfo.startDate !== 'current') {
							localDate = moment.utc(this.scheduleInfo.startDate).toDate();
						} else {
							localDate = new Date();
						}

						this.scheduleInfo.startDate = this.timePicker.getDateTimeUTC(localDate);

						if (this.outputFormatPicker !== null) {
							this.options.outputFormat = this.outputFormatPicker.getOutputFormats();
						}

						if (this.deliveryPicker !== null) {
							this.options.delivery = this.deliveryPicker.getDeliveryOptions();
						}
						// set default content locale
						this.options.outputLocale = [this.glassContext.services.userProfile.preferences.contentLocale];

						// grab cadencePicker info
						this.scheduleInfo = this.cadencePicker.toDescriptor(this.scheduleInfo);

						var subscriptionDesc = {
							name: this.name,
							reportId: this.reportId,
							scheduleInfo: this.scheduleInfo,
							options: this.options
						};
						if (this.id) {
							subscriptionDesc.id = this.id;
						}
						if (this.showPrompts) {
							subscriptionDesc.parameters = this.parameterValues;
						}

						// Check user credentials in tandem when creating subscription
						controler.getUserCredential(this.glassContext).then(function () {

							this._createOrUpdateSubscription(subscriptionDesc);

						}.bind(this)).fail(function () {

							// Credentials need to be renewed

							this.glassContext.appController.showToast(t.translate('sub_credentials_expired_msg'), {
								'type': 'warning',
								'preventDuplicates': true,
								'btnLabel': t.translate('sub_renew_credentials_button'),
								'callback': function () {
									this._caAuthentication = new CAAuthentication();
									return this._caAuthentication.storeCredentials(this.glassContext).then(function () {
										this._createOrUpdateSubscription(subscriptionDesc);
									}.bind(this)).fail(function (error) {
										if (error && error.displayObjects) {
											this._myPreferences = new MyPreferences({ glassContext: this.glassContext });
											return this._myPreferences.openCreateCredentialDialog(error.displayObjects).then(function () {
												this._createOrUpdateSubscription(subscriptionDesc);
											}.bind(this));
										}
									}.bind(this)).fail(function () {
										this.setDone;
									}.bind(this));
								}.bind(this)
							});

						}.bind(this));
					}
					else {
						// show the invalid time warning message
						this.showWarningMessage();
						// unlock ui
						this.setDone();
					}
				}.bind(this));

				this.$el.find('.schedule_secondary_button').on('clicktap', function () {
					// Because the callback is (currently) only used for updates just delete it
					// if the user clicks cancel so that when in edit mode the view doesn't get refreshed
					// with the same data.
					delete this.callback;
					this.close();
				}.bind(this));
			},

			_createOrUpdateSubscription: function (subscriptionDesc) {
				var _self = this;
				if (this.isEditMode) {
					controler.updateSubscription(subscriptionDesc, this.glassContext).then(function () {
						_self.glassContext.appController.showToast(t.translate('sub_update_success_msg'), {
							'preventDuplicates': false
						});
						_self.setDone();
						_self.close();
					}, function () {
						_self.setDone();
					});
				}
				else {
					controler.createSubscription(subscriptionDesc, this.glassContext).then(function (data) {
						_self.glassContext.appController.showToast(t.translate('sub_create_success_msg'), {
							'preventDuplicates': false
						});
						_self.setDone();
						_self.close();
					}, function () {
						_self.setDone();
					});
				}
			},

			_runCallback: function () {
				// Check to see if there is a callback function to run
				if (this.callback) {
					if (this.callback.onUpdate && typeof this.callback.onUpdate === 'function') {
						this.callback.onUpdate();
					}
				}
			},

			validate: function () {
				// Starting from the cadence pickers
				this.msgs = [];

				var $startTimeDiv = this.$el.find(".schedule_time_picker_container");
				$startTimeDiv.removeAttr('aria-invalid aria-describedby');
				if (!this.timePicker.isValidTime()) {
					this.msgs.push(t.translate("schedule_invalid_start_time"));
					$startTimeDiv.attr({
						'aria-invalid': 'true',
						'aria-describedby': this.msgs[0]
					});
					// One message at a time
					return false;
				}

				// Check delivery Options
				var deliveryOptions = this.deliveryPicker.getDeliveryOptions();
				var $deliveryListDiv = this.$el.find('.delivery_list');
				$deliveryListDiv.removeAttr('aria-invalid aria-describedby');

				if (deliveryOptions.email) {
					if (!deliveryOptions.email.emailAsAttachment && !deliveryOptions.email.emailAsURL) {
						this.msgs.push(t.translate('schedule_delivery_email_require_include'));
						$deliveryListDiv.attr({
							'aria-invalid': 'true',
							'aria-describedby': this.msgs[0]
						});
						return false;
					}
				}

				if (deliveryOptions.print && $.trim(deliveryOptions.print.name) === '') {
					this.msgs.push(t.translate('schedule_delivery_printer_empty_error'));
					$deliveryListDiv.attr({
						'aria-invalid': 'true',
						'aria-describedby': this.msgs[0]
					});
					return false;
				}

				return this.msgs.length === 0;
			},
    		/**
    		 * Show warning message for invalid time input by user
    		 */
			showWarningMessage: function () {
				this.$warningMessage = this.$el.find(".invalid_input_warning_message").text(this.msgs[0]);

				if (!this.$warningMessage) {
					return;
				} else {
					this.$warningMessage.show();
				}
			},

            /**
             * Hide the warning message
             */
			hideWarningMessage: function () {
				if (!this.$warningMessage) return;
				this.$warningMessage.hide();
			},

			_initVariables: function () {
				this.descriptor = null;

				this.id = '';
				this.name = '';
				this.reportId = '';
				this.scheduleInfo = {
					type: 'weekly',
					active: true,
					startDate: 'current',
					endDate: '',
					endType: 'indefinite',
					everyNPeriods: 0,
					timezone: this.timezone,
					weekly: {
						weeklySunday: false,
						weeklyMonday: false,
						weeklyTuesday: false,
						weeklyWednesday: false,
						weeklyThursday: false,
						weeklyFriday: false,
						weeklySaturday: false
					}
				};
				this.options = {
					delivery: {
						save: {
							notify: true
						}
					},
					outputFormat: []
				};
				this.parameterValues = null;

				this.cadencePicker = null;
				this.timePicker = null;
				this.outputFormatPicker = null;
				this.deliveryPicker = null;
				this.isEditMode = false;
				this.showPrompts = false;

				this.callback = {};
			}
		});

		return subscriptionView;
	});