import SwiftUI

struct SettingsView: View {
    @ObservedObject var monitor: ServerMonitor
    @Environment(\.dismiss) private var dismiss
    @AppStorage("server.host") private var host = "192.168.1.2"
    @AppStorage("server.user") private var user = "mag"
    @AppStorage("server.port") private var port = "22"
    @AppStorage("server.keyFile") private var keyFile = ""
    @AppStorage("monitor.intervalMinutes") private var intervalMinutes = 5
    @AppStorage("monitor.notifications") private var notifications = true

    var body: some View {
        Form {
            TextField("Host", text: $host)
            TextField("SSH user", text: $user)
            TextField("SSH port", text: $port)
            TextField("SSH key path (optional)", text: $keyFile)
                .help("Leave blank to use your SSH agent or ~/.ssh/config")
            Picker("Refresh interval", selection: $intervalMinutes) {
                Text("1 minute").tag(1)
                Text("5 minutes").tag(5)
                Text("10 minutes").tag(10)
                Text("15 minutes").tag(15)
                Text("30 minutes").tag(30)
            }
            Toggle("Notify when server becomes unhealthy", isOn: $notifications)
            HStack {
                Button("Close") {
                    dismiss()
                }
                Spacer()
                Button("Apply and Refresh") {
                    monitor.configureTimer()
                    Task { await monitor.refresh() }
                }
            }
            Text("SSH must authenticate without prompts. Server requires /usr/local/bin/pegasus-health-json accessible via sudo -n. Host keys are verified using your existing SSH known_hosts file.")
                .font(.caption)
                .foregroundStyle(.secondary)
        }
        .padding(20)
    }
}