'use strict';

/**
 * Licensed Materials - Property of IBM
 * IBM Cognos Products: BI Cloud (C) Copyright IBM Corp. 2013, 2019
 * US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 *
 */
define(['../../lib/@waca/dashboard-common/dist/core/Model'], function (Model) {
	'use strict';

	/**
  * VisProperty represents the value of a particular property of a visualization (as defined in its definition)
  * A property includes a type, group, default value, etc (from the definition) and optionally, a 'model value' for user-set values.
  * For details on property definitions, see smartVis component, definitions.json.
  * @param {Object}
  *            attrs Properties to mix-in
  * @class
  */

	var VisProperty = null;
	VisProperty = Model.extend({
		whitelistAttrs: ['id', 'value'],

		init: function init(attrs) {
			var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

			this.collection = options.collection;
			// If this visProperty is multilingual, tag the 'value' property in the localizedProps array
			if (attrs && this.collection && this.collection.localizedPropIds && this.collection.localizedPropIds.indexOf(attrs.id) !== -1) {
				this.localizedProps = ['value'];
			}
			if (attrs.type === 'colorClass') {
				this.colorClass = true;
			}

			VisProperty.inherited('init', this, arguments);
		},

		/**
   * Persist a value to the model for this property (Note: for now, this is the widget model)
   * @param value	A value (currently supports strings for type String, Color, Font and boolean for Boolean).
   */
		setValue: function setValue(value) {
			if (this.isOfType('Boolean')) {
				// TODO: Should not be converting boolean values to string values
				this.set({ value: value.toString() });
			} else {
				this.set({ value: value });
			}
		},

		/**
   * @returns true if this property has not been overridden from the default value as stored in the
   *          property definition (see smartVis definitions.json)
   */
		isDefault: function isDefault() {
			return this.value === undefined;
		},

		/**
   * @param specifiedType - such as 'Boolean' or 'ColorPalette'
   * @returns true iff this property is of the type specified
   */
		isOfType: function isOfType(specifiedType) {
			return this.propertyType === specifiedType;
		},

		getType: function getType() {
			return this.propertyType;
		},

		/**
   * @returns true if this property is deemed to be a 'public' property
   *			(meaning editable via a property sheet or some other UI)...returned by visModel.getPublicProperties()
   */
		isPublic: function isPublic() {
			return this['public'] === true; // don't use this.public, as public is a reserved word.
		},

		/**
   * The value for this property can be one of the three following things (ranked in priority):
   * 	1) The overridden value which is stored in the owner widgets model. Also check if the property is mapped to other.
   *  2) The value provided by the theme, which is stored in the owner widgets theme definition.
   *  3) The value provided as a default in the vis definition, which is stored in the vis model, since now vida definition will always have a default value
   *  The following three routines provide access to these values.
   */
		_getWidgetModelValue: function _getWidgetModelValue() {

			var modelValue = null;
			// get value from model with VIPR id
			modelValue = this.get('value');
			if (modelValue !== undefined && modelValue !== null) {
				return modelValue;
			}
			return modelValue;
		},

		/**
   * @returns the value of this property as either a string or boolean value.
   *			Overridden values are returned first, then default values as defined in definitions.json
   */
		getValue: function getValue() {
			var value = this._getWidgetModelValue();
			if (value !== undefined && this.isOfType('Boolean')) {
				// TODO: This is a hack, booleans should be stored as booleans
				value = value === 'true' || value === true;
			}
			return value;
		},

		isResolveColor: function isResolveColor() {
			return !this.colorClass;
		},

		// TODO - what is the difference between predefined value && default..
		// Seems like something needs some cleaning up
		getPredefinedValue: function getPredefinedValue() {
			return this.predefinedValue;
		},

		/**
   * @return the default value of this property as defined in the definition.
   */
		getDefaultValue: function getDefaultValue() {
			if (this.isOfType('Boolean')) {
				// TODO: This is a hack, booleans should be stored as booleans
				return this.defaultValue === 'true' || this.defaultValue === true;
			}
			return this.defaultValue;
		}

	});

	return VisProperty;
});
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