import SwiftUI

struct ConnectionSettingsView: View {
    @ObservedObject var networkService: NetworkService
    @Binding var customHost: String
    @Binding var customPort: String
    @Environment(\.dismiss) private var dismiss

    var body: some View {
        NavigationView {
            Form {
                Section(header: Text("Raspberry Pi Connection")) {
                    HStack {
                        Text("IP Address:")
                        Spacer()
                        TextField("192.168.1.100", text: $customHost)
                            .textFieldStyle(RoundedBorderTextFieldStyle())
                            .keyboardType(.decimalPad)
                    }

                    HStack {
                        Text("Port:")
                        Spacer()
                        TextField("8080", text: $customPort)
                            .textFieldStyle(RoundedBorderTextFieldStyle())
                            .keyboardType(.numberPad)
                    }
                }

                Section(header: Text("Connection Info")) {
                    HStack {
                        Text("Status:")
                        Spacer()
                        Text(networkService.connectionStatus)
                            .foregroundColor(networkService.isConnected ? .green : .red)
                    }
                }

                Section(header: Text("Quick Actions")) {
                    Button("Test Connection") {
                        testConnection()
                    }
                    .disabled(customHost.isEmpty)

                    Button("Send Status Request") {
                        networkService.sendCommand(.status())
                    }
                    .disabled(!networkService.isConnected)
                }
            }
            .navigationTitle("Connection Settings")
            .navigationBarTitleDisplayMode(.inline)
            .toolbar {
                ToolbarItem(placement: .navigationBarLeading) {
                    Button("Cancel") { dismiss() }
                }
                ToolbarItem(placement: .navigationBarTrailing) {
                    Button("Done") { dismiss() }
                }
            }
        }
    }

    private func testConnection() {
        let host = customHost.isEmpty ? "192.168.1.100" : customHost
        let port = UInt16(customPort) ?? 8080
        networkService.connect(host: host, port: port)
    }
}

struct ConnectionSettingsView_Previews: PreviewProvider {
    static var previews: some View {
        ConnectionSettingsView(
            networkService: NetworkService(),
            customHost: .constant("192.168.1.100"),
            customPort: .constant("8080")
        )
    }
}