import AppKit
import SwiftUI
import SheetsKit

@MainActor private enum Run { static var started = false }
@main struct AccountMenuSmoke: App {
    @State private var windows = SheetsWindows()
    var body: some Scene {
        Window("Smoke Home", id: "home") { Launcher(windows: windows) }
            .commands { SheetsWindowCommands(windows: windows) }
        Window("Smoke Document", id: "document") { Text("Document").frame(width: 500, height: 300) }
    }
}
private struct Launcher: View {
    let windows: SheetsWindows
    @Environment(\.openWindow) private var openWindow
    var body: some View {
        Text("Home").frame(width: 400, height: 200).task {
            guard !Run.started else { return }
            Run.started = true
            NSApp.setActivationPolicy(.regular)
            openWindow(id: "document")
            try? await Task.sleep(for: .milliseconds(500))
            NSApp.windows.first(where: { $0.title == "Smoke Home" })?.close()
            let document = NSApp.windows.first(where: { $0.title == "Smoke Document" })!
            NSApp.activate(ignoringOtherApps: true)
            document.makeKeyAndOrderFront(nil)
            try? await Task.sleep(for: .milliseconds(500))
            let menu = NSApp.mainMenu!.items.first!.submenu!
            menu.delegate?.menuNeedsUpdate?(menu)
            menu.update()
            guard let accounts = menu.items.first(where: { $0.title == sheetsMacString("Accounts") }), accounts.isEnabled,
                  let signOut = menu.items.first(where: { $0.title == sheetsMacString("Sign out") }), !signOut.isEnabled else {
                fatalError("Account commands missing or unsafe")
            }
            menu.performActionForItem(at: menu.index(of: accounts))
            try? await Task.sleep(for: .milliseconds(300))
            precondition(windows.accountsRequested)
            precondition(NSApp.windows.contains { $0.title == "Smoke Home" && $0.isVisible })
            print("PASS: Accounts and Sign out live in app menu; Accounts reopens closed Home")
            NSApp.terminate(nil)
        }
    }
}