import SwiftUI

/// Reusable error state view with icon, message, and optional retry button.
/// Replaces inline error patterns across all screens.
struct ErrorView: View {
    let message: String
    var onRetry: (() -> Void)?

    var body: some View {
        VStack(spacing: 16) {
            Image(systemName: "exclamationmark.circle")
                .font(.system(size: 48))
                .foregroundColor(.red)
            Text(message)
                .multilineTextAlignment(.center)
                .foregroundColor(.primary)
            if let onRetry = onRetry {
                Button("Retry", action: onRetry)
                    .buttonStyle(.borderedProminent)
            }
        }
        .padding()
    }
}

#Preview("With Retry") {
    ErrorView(message: "Something went wrong. Please try again.") {
        print("Retry tapped")
    }
}

#Preview("No Retry") {
    ErrorView(message: "Could not load data.")
}