HeaderView.swift

struct HeaderView: View {
    var viewModel: HeaderViewModel
    var body: some View {
        ZStack {
            HStack {
                if let leftButtonTitle = viewModel.leftButtonTitle {
                    Button(leftButtonTitle) {
                        viewModel.leftButtonAction?()
                    }
                }
                
                if let sizeBinding = viewModel.sizeControlCallback {
                    Stepper("", value: sizeBinding , in: 0...4)
                        .frame(width: 100)
                }
                
                Spacer()
                
                if let colorIndicator = viewModel.colorIndicator {
                    ColorItemView(color: Color(colorIndicator))
                }
                
                if let sizeIndicator = viewModel.sizeIndicator {
                    Text(sizeIndicator)
                        .font(.title.bold())
                }
                
                if let tiltIndicator = viewModel.tiltIndicator {
                    Text("\(tiltIndicator)°")
                        .font(.title.bold())
                }
            }
          
            Text(viewModel.title)
                .font(.title.bold())
        }
        .buttonStyle(.bordered)
    }
}