/*
 * Licensed Materials - Property of IBM
 *
 * IBM Cognos Products: SHARE
 *
 * (C) Copyright IBM Corp. 2015, 2021
 *
 * US Government Users Restricted Rights - Use, duplication or disclosure
 * restricted by GSA ADP Schedule Contract with IBM Corp.
 */

define([
	'bi/glass/core/Events',
	'jquery',
	'bi/sharecommon/utils/translator'
], function(Events, $, t) {

	var DISPATCHER_URI = 'v1/disp';
	var SERVER_URI = DISPATCHER_URI + '/rds/';
	var PROMPT_PAGE_ENDPOINT = 'promptPage/report/';
	var PROMPT_ANSWERS_ENDPOINT = 'promptAnswers/conversationID/';

	//jQuery extension to parse xml properly
	$.fn.filterNode = function(name) {
		return this.find('*').filter(function() {
			return this.localName.toLowerCase() === name.toLowerCase();
		});
	};

	var promptingService = Events.extend({
		/**
		 * @classdesc Prompting service class giving access to events related to prompting
		 * @constructs
		 * @public
		 * @param {Object}
		 *            options - set of initial properties
		 *              glassContext
		 */
		init: function(options) {
			promptingService.inherited('init', this, arguments);
			$.extend(true, this, options);
		},

		/**
		 * Called by glass when service is registered
		 */
		initialize: function(glassContext) {
			this.glassContext = glassContext;
		},

		/** This is the first call that should be made when trying to collect-parameter-values.
		 *  Starting with a storeId, it returns a unique id (to be reused later) and a URL.
		 *  Loading this URL in a window/iframe will start the prompt dance.
		 *
		 *  If you are calling this yourself (and not through the PromptPickerView), then be aware
		 *  you must define this function on the window in order to know when the dance is over:
		 *
		 *  FinishCollectPrompts: function(success) - success is 1 or 0 depending if there are prompt
		 *    values to retrieve with getPromptAnswers()
		 *
		 *  @param reportId - the unique id of the report to prompt for
		 *  @returns { id: unique prompt id to use with getPromptAnswers,
		 *             url: where to go to start the dance
		 *
		 */
		getPromptPageInfo: function(reportId) {
			var server_URL = 'v1/objects/' + reportId + '?fields=path,runInAdvancedViewer,base.runInAdvancedViewer';
			return this.glassContext.getCoreSvc('.Ajax').ajax({
				url: server_URL,
				type: 'GET',
				dataType: 'json'
			}).then(function(response) {
				var data = response.data;
				return (data.data && data.data[0]) || {};
			}).catch(function(err) {
				var error = {
					message: this.retrieveErrorMessage({result: err, defaultMessage: t.translate('schedule_prompting_wrong_url')})
				};
				this.glassContext.appController.showErrorMessage(error.message, t.translate('error_label_share'));
				throw error;
			}.bind(this));
		},

		/** Retrieves the parameter values from the session and returns them to the caller,
		 * in JSON format. This format can be passed to the scheduling service as is.
		 *
		 * @param promptId the unique prompt id returned by getPromptPageInfo()
		 * @returns an array of parameter values. EG: [
		 * {
		 * 	'name': 'Parameter-retailer-B',
		 * 	'value': [{
		 * 		'inclusive': true,
		 * 		'use': 'True',
		 * 		'display': 'Run report with data',
		 * 		'type': 'simpleParmValueItem'
		 * 	}]
		 * }]
		 */
		getPromptAnswers: function(promptId) {
			var server_URL = SERVER_URI + PROMPT_ANSWERS_ENDPOINT + promptId;
			return this.glassContext.getCoreSvc('.Ajax').ajax({
				url: server_URL,
				type: 'GET',
				dataType: 'xml'
			}).then(function(response) {
				var data = response.data;
				return this._toAnswersJson(data);
			}.bind(this)).catch(function(err) {
				var error = {
					message: this.retrieveErrorMessage({result: err, defaultMessage: t.translate('schedule_prompting_wrong_url')})
				};
				this.glassContext.appController.showErrorMessage(error.message, t.translate('error_label_share'));
				throw error;
			}.bind(this));
		},

		_getXmlAsString: function(xmlDom) {
			return (typeof XMLSerializer !== 'undefined') ? (new window.XMLSerializer()).serializeToString(xmlDom) : xmlDom.xml;
		},

		_toRelativePath: function(fullPath) {
			var index = fullPath.indexOf('?');
			return DISPATCHER_URI + fullPath.substr(index);
		},

		_toPagesJson: function(xmlData) {
			var response = {};
			var $xml = $(xmlData);
			response.url = this._toRelativePath($xml.filterNode('url').text());
			response.id = $xml.filterNode('promptID').text();

			return response;
		},

		_toAnswersJson: function(xmlData) {
			/*
			 * <promptAnswers>
			 * 	<promptValues>
			 * 		<name>Parameter-retailer-B</name>
			 * 		<values>
			 * 			<item>
			 * 				<SimplePValue>
			 * 					<inclusive>true</inclusive>
			 * 					<useValue>[Sales].[Retailer type].[Retailer (by type)].[Retailer name]-&gt;[all].[7].[7351]</useValue>
			 * 					<displayValue>4 Your Eyes</displayValue>
			 * 				</SimplePValue>
			 * 			</item>
			 * 		</values>
			 * 	</promptValues>
			 * </promptAnswers>
			 *
			 *	[{
			 *		'name': 'Parameter-retailer-B',
			 *		'value': [{
			 *			'inclusive': true,
			 *			'use': 'True',
			 *			'display': 'Run report with data',
			 *			'type': 'simpleParmValueItem'
			 *		}]
			 *	}]
			 */
			var response = [];
			var $xml = $(xmlData);
			var _self = this;

			$xml.filterNode('promptValues').each(function(index) {
				var answer = {};
				answer.name = $(this).filterNode('name').text();

				var values = [];

				$(this).filterNode('item').each(function(j) {
					var value = {};

					var $firstChild = $(this).children().first();
					var localName = $firstChild.prop('localName');

					switch (localName) {
						case 'SimplePValue':
							{
								value.type = 'simpleParmValueItem';
								value.inclusive = $firstChild.filterNode('inclusive').text().toUpperCase() == 'TRUE';
								_self._setUse(value, $firstChild.filterNode('useValue'));
								_self._setDisplay(value, $firstChild.filterNode('displayValue'));
								break;
							}
						case 'RangePValue':
							{
								/* <rds:RangePValue>
								 * <rds:inclusive>true</rds:inclusive>
								 * <rds:start>
								 *   <rds:inclusive>true</rds:inclusive>
								 *   <rds:useValue>2015-11-08T00:00:00.000</rds:useValue>
								 *   <rds:displayValue>Nov 8, 2015 12:00 AM</rds:displayValue>
								 * </rds:start>
								 * </rds:RangePValue></rds:item></rds:values></rds:promptValues>
								 * */
								var inclusiveRangeNode = $firstChild.filterNode('inclusive').get(0);
								value.inclusive = $(inclusiveRangeNode).text().toUpperCase() == 'TRUE';
								$firstChild.children().each(function(k) {
									if ($(this).prop('localName') == 'start') {
										value.start = {};
										value.start.inclusive = $(this).filterNode('inclusive').text().toUpperCase() == 'TRUE';
										_self._setUse(value.start, $(this).filterNode('useValue'));
										_self._setDisplay(value.start, $(this).filterNode('displayValue'));
										value.start.type = 'simpleParmValueItem';

									} else if ($(this).prop('localName') == 'end') {
										value.end = {};
										value.end.inclusive = $(this).filterNode('inclusive').text().toUpperCase() == 'TRUE';
										_self._setUse(value.end, $(this).filterNode('useValue'));
										_self._setDisplay(value.end, $(this).filterNode('displayValue'));
										value.end.type = 'simpleParmValueItem';
									}
								});
								if (value.start && value.end) {
									value.type = 'boundRangeParmValueItem';
								} else if (value.start) {
									value.type = 'unboundedEndRangeParmValueItem';
								} else if (value.end) {
									value.type = 'unboundedStartRangeParmValueItem';
								} else {
									value.type = 'rangeParmValueItem';
								}

								break;
							}
					}

					values.push(value);

				});
				answer.value = values;
				response.push(answer);
			});
			return response;
		},

		_getDisplayValuesForURL: function(parameterValues) {
			var p_url = '';
			for (var i = 0; i < parameterValues.length; i++) {
				p_url += 'p_' + parameterValues[i].name + '=';
				p_url += parameterValues[i].value[0].display;
				//Put '&' in between
				if (i !== parameterValues.length - 1) {
					p_url += '&';
				}
			}
			return p_url;
		},

		_setDisplay: function(value, display) {
			if (display && display.length > 0) {
				value.display = (display.attr('nil') == 'true') ? null : display.text();
			}
		},

		_setUse: function(value, use) {
			var useValue = null;
			if (use && use.attr('nil') != 'true') {
				useValue = use.text();
			}
			value.use = useValue;
		},

		retrieveErrorMessage: function(input) {
			input = input || {};
			var message = input.defaultMessage;
			try {
				var text = $.parseJSON(input.result.responseText);
				message = text.error || returnedResult.message;
			} catch (e) {}
			return message;
		}
	});

	return promptingService;
});