import AppKit
import CallsKit
import SwiftUI

/// Offline visual fixtures of Calls → Settings…, beside the lobby's. The
/// window is drawn with a throwaway defaults suite so a fixture never
/// changes the preferences of the person running it.
@MainActor enum SettingsSnapshots {
  static func save(to folder: URL) async throws {
    let suite = "CallsInterop.SettingsSnapshots"
    guard let defaults = UserDefaults(suiteName: suite) else { return }
    defaults.removePersistentDomain(forName: suite)
    defer { defaults.removePersistentDomain(forName: suite) }
    for scheme in [ColorScheme.light, .dark] {
      try await LobbySnapshots.render(
        CallsSettingsView(model: CallsModel(defaults: defaults)).defaultAppStorage(defaults),
        scheme: scheme, size: nil,
        to: folder.appendingPathComponent("settings-\(LobbySnapshots.name(scheme)).png"))
    }
  }
}