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/**
 * @author DaveDevor <davedevor@gmail.com>
 */


/**
 * Shows if local storage is supported.
 * @type  {Boolean}
 */
const hasStorage = checkLocalStorage();


/**
 * Check to see if local storage is supported
 *
 * @returns  {Boolean}
 */
function checkLocalStorage() {
	try {
		window.localStorage.setItem('foo', 'bar');
		window.localStorage.removeItem('foo');

		return true;

	}
	catch (e) {

		return false;
	}
}


 /**
 * Object to set and get data from local Storage;
 * @type {Obj}
 */
const localStorage = {

	/**
	 * Retrieve data from local Storage
	 * @param   {String}  key
	 *
	 * @returns  {String | Number | Object | Array}  value
	 */
	get: (key) => {
		if (hasStorage && window.localStorage.getItem(key)) {
			return JSON.parse(window.localStorage.getItem(key));
		}

		return false;
	},

	/**
	 * Store data in local storage
	 * @param   {Str}  key
	 * @param   {Str | Num | Obj | Arr}  val
	 */
	set: (key, val) => {
		if (hasStorage && typeof val !== 'undefined') {
			window.localStorage.setItem(key, JSON.stringify(val) );
		}
	},

	/**
	 * Remove data from local storage
	 * @param   {String}  key
	 *
	 * @returns  {Boolean}       success
	 */
	del: (key) => {
		if (hasStorage && window.localStorage.getItem(key)) {
			window.localStorage.removeItem(key);

			return true;
		}

		return false;
	}
};

export {localStorage as default};