import AppKit
import SwiftUI

struct GeneralSettings: View {
    @ObservedObject var state: AppState
    @State private var isInstallingCLI = false
    @State private var cliStatus: String?

    var body: some View {
        VStack(alignment: .leading, spacing: 18) {
            if !self.state.onboardingSeen {
                Text("Complete onboarding to finish setup")
                    .font(.callout.weight(.semibold))
                    .foregroundColor(.accentColor)
                    .padding(.bottom, 2)
            }

            VStack(alignment: .leading, spacing: 12) {
                SettingsToggleRow(
                    title: "Clawdis active",
                    subtitle: "Pause to stop Clawdis background helpers and notifications.",
                    binding: self.activeBinding)

                SettingsToggleRow(
                    title: "Launch at login",
                    subtitle: "Automatically start Clawdis after you sign in.",
                    binding: self.$state.launchAtLogin)

                SettingsToggleRow(
                    title: "Show Dock icon",
                    subtitle: "Keep Clawdis visible in the Dock instead of menu-bar-only mode.",
                    binding: self.$state.showDockIcon)

                SettingsToggleRow(
                    title: "Enable debug tools",
                    subtitle: "Show the Debug tab with development utilities.",
                    binding: self.$state.debugPaneEnabled)

                LabeledContent("Default sound") {
                    Picker("Sound", selection: self.$state.defaultSound) {
                        Text("None").tag("")
                        Text("Glass").tag("Glass")
                        Text("Basso").tag("Basso")
                        Text("Ping").tag("Ping")
                    }
                    .labelsHidden()
                    .frame(width: 140)
                }
            }

            VStack(alignment: .leading, spacing: 6) {
                Text("CLI helper")
                    .font(.callout.weight(.semibold))
                self.cliInstaller
            }

            Spacer()
            HStack {
                Spacer()
                Button("Quit Clawdis") { NSApp.terminate(nil) }
                    .buttonStyle(.borderedProminent)
            }
        }
        .frame(maxWidth: .infinity, alignment: .leading)
        .padding(.horizontal, 22)
    }

    private var activeBinding: Binding<Bool> {
        Binding(
            get: { !self.state.isPaused },
            set: { self.state.isPaused = !$0 })
    }

    private var cliInstaller: some View {
        VStack(alignment: .leading, spacing: 8) {
            HStack(spacing: 10) {
                Button {
                    Task { await self.installCLI() }
                } label: {
                    if self.isInstallingCLI {
                        ProgressView().controlSize(.small)
                    } else {
                        Text("Install CLI helper")
                    }
                }
                .disabled(self.isInstallingCLI)

                if let status = cliStatus {
                    Text(status)
                        .font(.caption)
                        .foregroundStyle(.secondary)
                        .lineLimit(2)
                }
            }
            Text("Symlink \"clawdis-mac\" into /usr/local/bin and /opt/homebrew/bin for scripts.")
                .font(.callout)
                .foregroundStyle(.secondary)
                .padding(.leading, 2)
        }
    }

    private func installCLI() async {
        guard !self.isInstallingCLI else { return }
        self.isInstallingCLI = true
        defer { isInstallingCLI = false }
        await CLIInstaller.install { status in
            await MainActor.run { self.cliStatus = status }
        }
    }
}