/*
 * Copyright (c) 2010-2018 Tim Düsterhus.
 *
 * Use of this software is governed by the Business Source License
 * included in the LICENSE file.
 *
 * Change Date: 2024-11-01
 *
 * On the date above, in accordance with the Business Source
 * License, use of this software will be governed by version 2
 * or later of the General Public License.
 */

define([ '../console'
       , '../CommandHandler'
       , '../LocalStorage'
       , '../Messenger'
       , '../ProfileStore'
       , 'WoltLabSuite/Core/Language'
       , 'WoltLabSuite/Core/Timer/Repeating'
       ], function (console, CommandHandler, LocalStorage, Messenger, ProfileStore, Language, RepeatingTimer) {
	"use strict";

	const DEPENDENCIES = [ 'config', 'CommandHandler', 'Messenger', 'ProfileStore', 'UiInput' ]
	class AutoAway {
		constructor(config, commandHandler, messenger, profileStore, input) {
			if (!(commandHandler instanceof CommandHandler)) throw new TypeError('You must pass a CommandHandler to the AutoAway')
			if (!(messenger instanceof Messenger)) throw new TypeError('You must pass a Messenger to the AutoAway')
			if (!(profileStore instanceof ProfileStore)) throw new TypeError('You must pass a ProfileStore to the AutoAway')

			this.storage = new LocalStorage('AutoAway.')
			this.awayCommand = commandHandler.getCommandByIdentifier('be.bastelstu.chat', 'away')
			if (this.awayCommand == null) {
				throw new Error('Unreachable')
			}
			this.config = config
			this.messenger = messenger
			this.input = input
			this.profileStore = profileStore
		}

		bootstrap() {
			if (this.config.autoAwayTime === 0) {
				return
			}
			if (!this.awayCommand.isAvailable) {
				return
			}

			this.timer = new RepeatingTimer(this.setAway.bind(this), this.config.autoAwayTime * 60e3)
			this.input.on('input', this.inputListener = (event) => {
				this.storage.set('channel', Date.now())
				this.reset()
			})
			this.storage.observe('channel', this.reset.bind(this))
		}
		
		ingest(messages) {
			if (messages.some(message => message.isOwnMessage())) this.reset()
		}

		reset() {
			console.debug('AutoAway.reset', `Resetting timer`)

			if (!this.timer) return

			this.timer.setDelta(this.config.autoAwayTime * 60e3)
		}

		async setAway() {
			console.debug('AutoAway.setAway', `Attempting to set as away`)

			if (this.storage.get('setAway') >= (Date.now() - 10e3)) {
				console.debug('AutoAway.setAway', `setAway called within the last 10 seconds in another Tab`)
				return
			}
			this.storage.set('setAway', Date.now())

			if (this.profileStore.getSelf().away) {
				console.debug('AutoAway.setAway', `User is already away`)
				return
			}

			this.messenger.push({ commandID: this.awayCommand.id, parameters: { reason: Language.get('chat.user.autoAway') } })
		}
	}
	AutoAway.DEPENDENCIES = DEPENDENCIES

	return AutoAway
});