'use strict';

/*
 *+------------------------------------------------------------------------+
 *| Licensed Materials - Property of IBM
 *| IBM Cognos Products: BI Dashboard
 *| (C) Copyright IBM Corp. 2017
 *|
 *| US Government Users Restricted Rights - Use, duplication or disclosure
 *| restricted by GSA ADP Schedule Contract with IBM Corp.
 *+------------------------------------------------------------------------+
 */

define(['underscore', '../../../lib/@waca/core-client/js/core-client/ui/core/Class', '../../../lib/@waca/upgrades/UpgradeBase', './utils/WidgetUpgradeUtils'], function (_, Class, UpgradeBase, WidgetUpgradeUtils) {

	var HEATMAP_VISID = 'com.ibm.vis.rave2heat';

	var Upgrade = Class.extend([UpgradeBase], {
		init: function init() {
			this.VERSION = 1006;
		},

		/**
   * Perform upgrade
   *
   * @param {object} spec - spec to perform upgrade on
   *
   * @return {Promise} Promise to be resolved when upgrade performed
   */
		up: function up(spec) {
			if (!spec) {
				return Promise.resolve(spec);
			}

			if (!WidgetUpgradeUtils.specHasWidgets(spec)) {
				return Promise.resolve(spec);
			}
			_.each(spec.widgets, function (model) {
				this.upgradePieChartDonutRadiusProperty(model);
				this.upgradeHeatmapAxisLabelProperty(model);
			}.bind(this));
			return Promise.resolve(spec);
		},

		upgradePieChartDonutRadiusProperty: function upgradePieChartDonutRadiusProperty(model) {
			var pieHasHoleProp = WidgetUpgradeUtils.findProperty('pie.has.hole', model.properties);
			if (pieHasHoleProp && pieHasHoleProp.value === true) {
				var donutRadius = WidgetUpgradeUtils.findProperty('donutRadius', model.properties);
				if (!donutRadius) {
					model.properties.push({
						id: 'donutRadius',
						value: 0.50
					});
				}
			}
		},

		upgradeHeatmapAxisLabelProperty: function upgradeHeatmapAxisLabelProperty(model) {
			if (model.visId === HEATMAP_VISID) {
				// Ensure r7 specific properties are set first to ensure it's not overwritten by post-r7 defaults
				// r7 has default set to 'bottom' while r8 has default set to 'top'
				WidgetUpgradeUtils.setDefaultProperty(model, 'itemAxis.alignment', 'bottom');
				// r7 has default set to 'rotate90' while r9 has default set to 'automatic'
				WidgetUpgradeUtils.setDefaultProperty(model, 'itemAxis.labels.layoutMode', 'rotate90');
			}
		},

		down: function down(spec) {
			// no downgrade at this time; return as is
			return Promise.resolve(spec);
		}

	});

	return new Upgrade();
});
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