const _ = require('underscore');
const BaseModel = require('./BaseModel');
const UserConfig = require('./../../../config/model/User');

module.exports = BaseModel.extend({
	defaults: UserConfig.avatars,

	idAttribute: 'default',

	url: 'Avatar',

	exportStore: function () {
		return _.clone(this.attributes);
	},

	/**
	 * Create avatar urls
	 *
	 * m - 23x23
	 * a - 68x68
	 * p - 130x130
	 *
	 * @param response
	 * @returns {{default: (*|void|XML|string), small: (*|void|XML|string), big: (*|null|Avatar)}}
	 */
	parse: function (response) {
		this.avatarExists = response && response.avatar;

		return this.avatarExists ? {
			'default': response.avatar.replace(/(\/)[a-z](_[0-9]+)/, '$1m$2'),
			small: response.avatar.replace(/(\/)[a-z](_[0-9]+)/, '$1m$2'),
			big: response.avatar
		} : {};
	},

	destroy: function() {
		this.resetToDefaults();
		this.avatarExists = false;

		return this.constructor.__super__.destroy.apply(this, arguments);
	}
});