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 /*
  * SPDX-FileCopyrightText: 2021 Lucas Wang <lucas.wang@tuta.io>
  *
  * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
  */
 
 // Original header below:
 //
 //  Backend.swift
 //  KDE Connect Test
 //
 //  Created by Lucas Wang on 2021-08-04.
 //
 
 import Foundation
 import CoreMotion
 
 // A place to house miscellaneous functions and variables for global usage by the rest of the app
 
 // Certificate Service provider, to be used for all certificate and Keychain operations
 let certificateService: CertificateService = CertificateService()
 
 // ViewModel object for devices-related functionalities
 // TODO: Should this be kept global or local to DevicesView()? Reference might break if this is
 // TODO: if global, make singelton
 // global but making it local to DevicesView() would likely make it harder to access values in it
 // We'll finish developing everything else and see if anything other than DevicesView() needs it.
 // I think we probably do since the Unpair function is now in the details view instead of the
 // DevicesView()
 let connectedDevicesViewModel: ConnectedDevicesViewModel = ConnectedDevicesViewModel()
 
 // Global ObservableObject to be Observed by needed structs for app-wide information
 @available(*, deprecated, renamed: "SelfDeviceData.shared")
 let selfDeviceData: SelfDeviceData = .shared
 
 // Background Service provider, bridged from Obj-C codebase
 let backgroundService: BackgroundService = {
 #if DEBUG
     let setupScreenshotDevices = ProcessInfo.processInfo.arguments.contains("setupScreenshotDevices")
 #else
     let setupScreenshotDevices = false
 #endif
     return BackgroundService(
         // disconnect background service from connected devices view model if taking screenshots
         // so the UI testing instances will only access to fake devices
         connectedDeviceViewModel: setupScreenshotDevices ? nil : connectedDevicesViewModel,
         certificateService: certificateService
     )
 }()
 
 // Device motion manager
 let motionManager: CMMotionManager = CMMotionManager()
 
 // Given the deviceId, saves/overwrites the device object from _device into _settings by encoding it and then into UserDefaults
 func saveDeviceToUserDefaults(deviceId: String) {
     let deviceData: Data?
     do {
         deviceData = try NSKeyedArchiver.archivedData(withRootObject: backgroundService._devices[deviceId]!, requiringSecureCoding: true)
     } catch {
         Logger(category: "Device").fault("\(error.localizedDescription, privacy: .public)")
         return
     }
     backgroundService.settings[backgroundService.devices[deviceId]!._id] = deviceData
     UserDefaults.standard.setValue(backgroundService.settings, forKey: "savedDevices")
 }