//
//  AppDelegate.swift
//  App for Indeed
//
//  Created by Mql Mac 2 on 11/05/2026.
//

import Cocoa

enum AppWindowConfiguration {
    static let defaultContentSize = NSSize(width: 1120, height: 750)
    static let minimumContentSize = NSSize(width: 1120, height: 750)

    @MainActor
    static func apply(to window: NSWindow) {
        window.minSize = minimumContentSize
        window.isRestorable = false
        window.title = "App for Indeed"
        window.styleMask.insert(.fullSizeContentView)
        window.titlebarAppearsTransparent = true
        window.titleVisibility = .hidden
        window.isMovableByWindowBackground = true

        let targetContent = NSRect(origin: .zero, size: defaultContentSize)
        let targetFrame = window.frameRect(forContentRect: targetContent)
        var frame = targetFrame
        let current = window.frame
        frame.origin.x = current.midX - frame.width / 2
        frame.origin.y = current.midY - frame.height / 2
        window.setFrame(frame, display: false, animate: false)
        window.setContentSize(defaultContentSize)
    }

    @MainActor
    static func mainWindow(in app: NSApplication = .shared) -> NSWindow? {
        app.mainWindow
            ?? app.keyWindow
            ?? app.windows.first(where: { $0.isVisible && $0.canBecomeKey })
    }
}

@main
class AppDelegate: NSObject, NSApplicationDelegate {

    /// Avoids hammering StoreKit when `didBecomeActive` fires in quick succession (e.g. after system sheets).
    private var lastSubscriptionRefreshAt: Date?

    func applicationWillFinishLaunching(_ notification: Notification) {
        // Dashboard is light-themed; without this, a Dark Mode Mac paints a dark title bar.
        NSApp.appearance = NSAppearance(named: .aqua)
    }

    func applicationDidFinishLaunching(_ aNotification: Notification) {
        NotificationCenter.default.addObserver(
            forName: NSApplication.didBecomeActiveNotification,
            object: nil,
            queue: .main
        ) { [weak self] _ in
            Task { @MainActor in
                guard let self else { return }
                let now = Date()
                if let last = self.lastSubscriptionRefreshAt, now.timeIntervalSince(last) < 2.5 {
                    return
                }
                self.lastSubscriptionRefreshAt = now
                await SubscriptionStore.shared.refreshEntitlements(deep: true)
            }
        }

        Task { @MainActor in
            // Do not call `AppStore.sync()` here — it prompts "Sign in with Apple Account" in Xcode / StoreKit
            // testing and can repeat when the app re-activates after dismissing the sheet. Sync only from
            // explicit "Restore purchases" in `SubscriptionStore.restorePurchases()`.
            lastSubscriptionRefreshAt = Date()
            await SubscriptionStore.shared.refreshEntitlements(deep: true)
            NotificationCenter.default.post(name: .subscriptionStatusDidChange, object: nil)
        }
        NSApp.activate(ignoringOtherApps: true)
        applyDefaultWindowSize()
    }

    @MainActor
    private func applyDefaultWindowSize() {
        DispatchQueue.main.async { [weak self] in
            guard let self, let window = AppWindowConfiguration.mainWindow() else { return }
            AppWindowConfiguration.apply(to: window)
            window.center()
            window.makeKeyAndOrderFront(nil)

            // Layout can run after the first pass; enforce default size once more.
            DispatchQueue.main.asyncAfter(deadline: .now() + 0.05) { [weak self] in
                guard self != nil, let window = AppWindowConfiguration.mainWindow() else { return }
                AppWindowConfiguration.apply(to: window)
                window.center()
            }
        }
    }

    func applicationWillTerminate(_ aNotification: Notification) {
        // Insert code here to tear down your application
    }

    func applicationSupportsSecureRestorableState(_ app: NSApplication) -> Bool {
        // Opt out until real `NSWindowRestoration` is implemented (avoids null className restore logs).
        return false
    }


}