import SwiftUI
import AppKit

// MARK: - App Delegate

final class PadXcodeDaemonDelegate: NSObject, NSApplicationDelegate {

    func applicationDidFinishLaunching(_ notification: Notification) {
        // Start daemon on app launch. The controller is created by the App
        // struct before this fires and stored in the shared reference below.
        guard let controller = PadXcodeDaemonApp.sharedController else { return }
        Task { @MainActor in
            await controller.start()
        }
    }

    func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
        return false
    }
}

// MARK: - App

@main
struct PadXcodeDaemonApp: App {

    @NSApplicationDelegateAdaptor(PadXcodeDaemonDelegate.self) private var appDelegate
    @StateObject private var preferences = AppPreferences()
    @StateObject private var controller: DaemonController

    // Static reference so the delegate can access the controller before
    // SwiftUI finishes wiring up @State bindings.
    static var sharedController: DaemonController?

    init() {
        ensureConfigFile()
        let prefs = AppPreferences()
        let ctrl  = DaemonController(preferences: prefs)
        _preferences = StateObject(wrappedValue: prefs)
        _controller  = StateObject(wrappedValue: ctrl)
        // Store before applicationDidFinishLaunching fires.
        PadXcodeDaemonApp.sharedController = ctrl
    }

    var body: some Scene {
        MenuBarExtra {
            MenuBarView(controller: controller, preferences: preferences)
        } label: {
            MenuBarIcon(controller: controller)
        }
        .menuBarExtraStyle(.window)

        Window("PadXcode Daemon Settings", id: "settings") {
            DaemonSettingsView(controller: controller, preferences: preferences)
        }
        .windowResizability(.contentSize)
        .defaultSize(width: 520, height: 580)
        .windowStyle(.titleBar)
        .commandsRemoved()

        Window("Daemon Log", id: "log") {
            DaemonLogWindowView(controller: controller)
        }
        .defaultSize(width: 700, height: 500)
        .windowStyle(.titleBar)
        .commandsRemoved()
    }
}