import SwiftUI
import ProxyCore

struct CURLImportView: View {
    let onImport: (ParsedCURLRequest) -> Void

    @State private var curlText = ""
    @State private var errorMessage: String?
    @Environment(\.dismiss) private var dismiss

    var body: some View {
        NavigationStack {
            VStack(alignment: .leading, spacing: 16) {
                Text("Paste a cURL command to import as a request.")
                    .font(.subheadline)
                    .foregroundStyle(.secondary)

                TextEditor(text: $curlText)
                    .font(.system(.caption, design: .monospaced))
                    .frame(minHeight: 200)
                    .overlay(
                        RoundedRectangle(cornerRadius: 8)
                            .stroke(Color(.systemGray4))
                    )

                if let errorMessage {
                    Text(errorMessage)
                        .font(.caption)
                        .foregroundStyle(.red)
                }

                Button("Import") {
                    if let parsed = CURLParser.parse(curlText) {
                        onImport(parsed)
                    } else {
                        errorMessage = "Invalid cURL command. Make sure it starts with 'curl'."
                    }
                }
                .frame(maxWidth: .infinity)
                .buttonStyle(.borderedProminent)
                .disabled(curlText.isEmpty)

                Spacer()
            }
            .padding()
            .navigationTitle("Import cURL")
            .navigationBarTitleDisplayMode(.inline)
            .toolbar {
                ToolbarItem(placement: .cancellationAction) {
                    Button("Cancel") { dismiss() }
                }
            }
        }
    }
}