//
//  RoomsListViewModel.swift
//  Chat
//
//  Created by Sergey Tarasov on 10.08.2022.
//

import Foundation
import XMPPFramework
import XMPPFrameworkSwift

final class RoomsListViewModel: NSObject, ObservableObject {
	let muc: XMPPMUCLight = XMPPMUCLight()

	@Published var rooms: [Room] = []
	var timer: Timer?

	override init() {
		super.init()
		self.muc.activate(XMPPController.shared.xmppStream)
		self.muc.addDelegate(self, delegateQueue: .main)

		self.timer = Timer(timeInterval: 2, repeats: true, block: { [weak self] timer in
			self?.fetchRooms()
			if !(self?.rooms.isEmpty ?? false) {
				timer.invalidate()
			}
		})
	}

	func fetchRooms() {
		let success = self.muc.discoverRooms(forServiceNamed: "chat.msg.sharix-app.org")
		print(success)
	}
}

extension RoomsListViewModel: XMPPMUCLightDelegate {
	func xmppMUCLight(_ sender: XMPPMUCLight, didDiscoverRooms rooms: [DDXMLElement], forServiceNamed serviceName: String) {
		debugPrint(rooms)
		self.rooms = rooms.map({ Room(jidString: $0.attributeStringValue(forName: "jid") ?? "", name: $0.attributeStringValue(forName: "name") ?? "") })
	}
}