/*
 * Copyright (c) 2016
 *
 * This file is licensed under the Affero General Public License version 3
 * or later.
 *
 * See the COPYING-README file.
 *
 */

(function(OC, OCA) {

	_.extend(OC.Files.Client, {
		PROPERTY_FILEID: '{' + OC.Files.Client.NS_OWNCLOUD + '}id',
		PROPERTY_MESSAGE: '{' + OC.Files.Client.NS_OWNCLOUD + '}message',
		PROPERTY_ACTORTYPE: '{' + OC.Files.Client.NS_OWNCLOUD + '}actorType',
		PROPERTY_ACTORID: '{' + OC.Files.Client.NS_OWNCLOUD + '}actorId',
		PROPERTY_ISUNREAD: '{' + OC.Files.Client.NS_OWNCLOUD + '}isUnread',
		PROPERTY_OBJECTID: '{' + OC.Files.Client.NS_OWNCLOUD + '}objectId',
		PROPERTY_OBJECTTYPE: '{' + OC.Files.Client.NS_OWNCLOUD + '}objectType',
		PROPERTY_ACTORDISPLAYNAME: '{' + OC.Files.Client.NS_OWNCLOUD + '}actorDisplayName',
		PROPERTY_CREATIONDATETIME: '{' + OC.Files.Client.NS_OWNCLOUD + '}creationDateTime',
		PROPERTY_MENTIONS: '{' + OC.Files.Client.NS_OWNCLOUD + '}mentions',
	})

	/**
	 * @class OCA.Comments.CommentModel
	 * @classdesc
	 *
	 * Comment
	 *
	 */
	const CommentModel = OC.Backbone.Model.extend(
		/** @lends OCA.Comments.CommentModel.prototype */ {
			sync: OC.Backbone.davSync,

			defaults: {
				actorType: 'users',
				objectType: 'files',
			},

			davProperties: {
				id: OC.Files.Client.PROPERTY_FILEID,
				message: OC.Files.Client.PROPERTY_MESSAGE,
				actorType: OC.Files.Client.PROPERTY_ACTORTYPE,
				actorId: OC.Files.Client.PROPERTY_ACTORID,
				actorDisplayName: OC.Files.Client.PROPERTY_ACTORDISPLAYNAME,
				creationDateTime: OC.Files.Client.PROPERTY_CREATIONDATETIME,
				objectType: OC.Files.Client.PROPERTY_OBJECTTYPE,
				objectId: OC.Files.Client.PROPERTY_OBJECTID,
				isUnread: OC.Files.Client.PROPERTY_ISUNREAD,
				mentions: OC.Files.Client.PROPERTY_MENTIONS,
			},

			parse(data) {
				return {
					id: data.id,
					message: data.message,
					actorType: data.actorType,
					actorId: data.actorId,
					actorDisplayName: data.actorDisplayName,
					creationDateTime: data.creationDateTime,
					objectType: data.objectType,
					objectId: data.objectId,
					isUnread: (data.isUnread === 'true'),
					mentions: this._parseMentions(data.mentions),
				}
			},

			_parseMentions(mentions) {
				if (_.isUndefined(mentions)) {
					return {}
				}
				const result = {}
				for (const i in mentions) {
					const mention = mentions[i]
					if (_.isUndefined(mention.localName) || mention.localName !== 'mention') {
						continue
					}
					result[i] = {}
					for (let child = mention.firstChild; child; child = child.nextSibling) {
						if (_.isUndefined(child.localName) || !child.localName.startsWith('mention')) {
							continue
						}
						result[i][child.localName] = child.textContent
					}
				}
				return result
			},
		})

	OCA.Comments.CommentModel = CommentModel
})(OC, OCA)