/*
 Copyright 2021 New Vector Ltd

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */

import UIKit

/// State of the Secure Backup section in securtiy settings.
///
/// It is a mixed of the state of the Secure Backup(4S) and the state of the Key Backup.
///
/// - loading: Load current state
/// - noSecureBackup: The account has no secure backup
/// - secureBackup: The account has a secure backup
enum SettingsSecureBackupViewState {
    case loading
    case noSecureBackup(KeyBackupState)
    case secureBackup(KeyBackupState)
    
    /// Internal key backup state. It is independent from the secure backup state.
    ///
    /// - noKeyBackup: There is no backup on the homeserver
    /// - keyBackup: There is a valid running backup on the homeserver. Keys are being sent to it
    /// - keyBackupNotTrusted: There is a backup on the homeserver but it is not trusted
    enum KeyBackupState {
        case noKeyBackup
        case keyBackup(MXKeyBackupVersion, MXKeyBackupVersionTrust, Progress)
        case keyBackupNotTrusted(MXKeyBackupVersion, MXKeyBackupVersionTrust)
    }
}

/// State representing a network request made by the module
/// Only SettingsSecureBackupViewAction.delete generates such states
enum SettingsSecureBackupNetworkRequestViewState {
    case loading
    case loaded
    case error(Error)
}