import SwiftUI

/// Full-screen biometric lock, overlaid on the app whenever `model.locked`.
struct LockScreen: View {
  var unlock: () -> Void

  var body: some View {
    ZStack {
      Theme.background.ignoresSafeArea()
      VStack(spacing: 16) {
        Spacer()
        Image(systemName: "lock.shield")
          .font(.system(size: 44, weight: .light))
          .foregroundStyle(Theme.accent)
        Text("Koins is locked")
          .font(.system(size: 22, weight: .bold))
          .foregroundStyle(Theme.text)
        Text("Authenticate to continue")
          .font(.system(size: 13))
          .foregroundStyle(Theme.muted)
        Spacer()
        PrimaryButton(title: "Unlock with \(Biometrics.label)", action: unlock)
        Spacer()
      }
      .padding(24)
    }
    .preferredColorScheme(.dark)
    .task { unlock() }
  }
}