'use strict';

/**
 * Licensed Materials - Property of IBM
 * IBM Cognos Products: BI Cloud (C) Copyright IBM Corp. 2018
 * US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 */
define(['../../../lib/@waca/core-client/js/core-client/ui/core/Events'], function (Events) {

	var ThumbnailStore = Events.extend({

		/**
   * local cache
   * @type {Object}
   */
		_items: null,

		/**
   * Constructor
   *
   * @param {Object} [items={}] - store data
   */
		init: function init() {
			var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

			ThumbnailStore.inherited('init', this, []);
			this._items = items;
		},

		/**
   * Check whether a thumbnail id exists in the store
   *
   * @param {string} id - thumbnail id
   *
   * @return {boolean} TRUE if exists in store and FALSE if not
   */
		exists: function exists(id) {
			return this._items[id] !== undefined;
		},

		/**
   * Set data
   *
   * @param {string} id - thumbnail id
   * @param {any} data - thumbnail data
   *
   * @return {ThumbnailStore} self; current instance
   */
		set: function set(id, _ref) {
			var data = _ref.data,
			    cacheId = _ref.cacheId;

			var item = {
				data: data,
				cacheId: cacheId
			};
			this._items[id] = item;
			this.trigger('thumbnailStore:set', { id: id, item: item });
			return this;
		},

		/**
   * Set error on the thumbnail
   *
   * @param {string} id - thumbnail id
   * @param {error} error - error to store on the object
   */
		setError: function setError(id, _ref2) {
			var message = _ref2.message;

			var item = void 0;
			if (this.exists(id)) {
				item = this.getLocal(id);
				item.error = {
					message: message
				};
			} else {
				item = {
					error: {
						message: message
					}
				};
				this._items[id] = item;
			}
			this.trigger('thumbnailStore:set', { id: id, item: item });
			return this;
		},

		/**
   * Set warning on the thumbnail
   *
   * @param {string} id - thumbnail id
   * @param {warning} warning - warning to store on the object
   */
		setWarning: function setWarning(id, _ref3) {
			var message = _ref3.message;

			var item = void 0;
			if (this.exists(id)) {
				item = this.getLocal(id);
				item.warning = {
					message: message
				};
			} else {
				item = {
					warning: {
						message: message
					}
				};
				this._items[id] = item;
			}
			this.trigger('thumbnailStore:set', { id: id, item: item });
			return this;
		},

		/**
   * Get data locally, from the cache
   *
   * @param {string} id - thumbnail id
   *
   * @return {any} thumbnail data
   */
		getLocal: function getLocal(id) {
			return this._items[id];
		},

		/**
   * Get all data locally, from the cache
   *
   * @return {Object[]} array of thumbnail data
   */
		getAllLocal: function getAllLocal() {
			var _this = this;

			return Object.keys(this._items).map(function (id) {
				var item = _this._items[id];
				return {
					id: id,
					item: item
				};
			});
		},

		/**
   * Get data
   *
   * @param {string} id - thumbnail id
   * @param {string} type - vis type
   *
   * @return {any} thumbnail data
   */
		get: function get(id, type) {
			var result = void 0;
			if (this.exists(id)) {
				result = Promise.resolve(this.getLocal(id));
			} else {
				result = this.getVisTypeDefault(type);
			}
			return result;
		},

		/**
   * Delete data
   *
   * @param {string} id - thumbnail id
   *
   * @return {ThumbnailStore} self; current instance
   */
		delete: function _delete(id) {
			delete this._items[id];
			this.trigger('thumbnailStore:delete', { id: id });
			return this;
		},

		/**
   * Get default thumbnail for a specific vis type
   *
   * @param {string} type - vis type
   *
   * @return {string} default thumbnail
   */
		getVisTypeDefault: function getVisTypeDefault() /* type */{
			return Promise.resolve();
		}
	});

	return ThumbnailStore;
});
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