//
 /*
  * SwiftFin is subject to the terms of the Mozilla Public
  * License, v2.0. If a copy of the MPL was not distributed with this
  * file, you can obtain one at https://mozilla.org/MPL/2.0/.
  *
  * Copyright 2021 Aiden Vigue & Jellyfin Contributors
  */

import Foundation
import SwiftUI

class UserListViewModel: ViewModel {

    @Published var users: [SwiftfinStore.State.User] = []

    var server: SwiftfinStore.State.Server

    init(server: SwiftfinStore.State.Server) {
        self.server = server

        super.init()

        let nc = SwiftfinNotificationCenter.main
        nc.addObserver(self, selector: #selector(didChangeCurrentLoginURI), name: SwiftfinNotificationCenter.Keys.didChangeServerCurrentURI, object: nil)
    }

    @objc func didChangeCurrentLoginURI(_ notification: Notification) {
        guard let newServerState = notification.object as? SwiftfinStore.State.Server else { fatalError("Need to have new state server") }
        self.server = newServerState
    }

    func fetchUsers() {
        self.users = SessionManager.main.fetchUsers(for: server)
    }

    func login(user: SwiftfinStore.State.User) {
        self.isLoading = true
        SessionManager.main.loginUser(server: server, user: user)
    }

    func remove(user: SwiftfinStore.State.User) {
        SessionManager.main.delete(user: user)
        fetchUsers()
    }

}