Building Custom SwiftUI Components

struct PrimaryButtonStyle: ButtonStyle {
    func makeBody(configuration: Configuration) -> some View {
        configuration.label
            .font(.headline)
            .foregroundColor(.white)
            .padding()
            .background(Color.blue)
            .cornerRadius(12)
            .scaleEffect(configuration.isPressed ? 0.95 : 1.0)
            .animation(.easeInOut(duration: 0.1), value: configuration.isPressed)
    }
}

struct SecondaryButtonStyle: ButtonStyle {
    func makeBody(configuration: Configuration) -> some View {
        configuration.label
            .font(.headline)
            .foregroundColor(.blue)
            .padding()
            .background(Color.blue.opacity(0.1))
            .cornerRadius(12)
            .scaleEffect(configuration.isPressed ? 0.95 : 1.0)
    }
}

struct CustomToggleStyle: ToggleStyle {
    func makeBody(configuration: Configuration) -> some View {
        HStack {
            configuration.label
            Spacer()
            RoundedRectangle(cornerRadius: 16)
                .fill(configuration.isOn ? Color.green : Color.gray.opacity(0.3))
                .frame(width: 50, height: 30)
                .overlay(
                    Circle()
                        .fill(Color.white)
                        .padding(4)
                        .offset(x: configuration.isOn ? 10 : -10)
                        .animation(.spring(), value: configuration.isOn)
                )
                .onTapGesture {
                    configuration.isOn.toggle()
                }
        }
    }
}

struct LoadingView: View {
    @State private var isAnimating = false
    
    var body: some View {
        Circle()
            .trim(from: 0, to: 0.7)
            .stroke(Color.blue, lineWidth: 4)
            .frame(width: 40, height: 40)
            .rotationEffect(.degrees(isAnimating ? 360 : 0))
            .animation(
                .linear(duration: 1).repeatForever(autoreverses: false),
                value: isAnimating
            )
            .onAppear {
                isAnimating = true
            }
    }
}