import AppKit
import SwiftUI

/// Hosts the speaker-correction editor in a standalone resizable window. A
/// menu-bar (LSUIElement) app has no normal window scene, so we open one via
/// AppKit and activate the app so it comes to the front.
@MainActor
final class EditorWindow {
    static let shared = EditorWindow()
    private var window: NSWindow?

    func show(model: RecapEditModel) {
        if let window {
            window.contentViewController = NSHostingController(rootView: TranscriptEditorView(model: model))
            window.title = model.title
            NSApp.activate(ignoringOtherApps: true)
            window.makeKeyAndOrderFront(nil)
            return
        }
        let w = NSWindow(
            contentRect: NSRect(x: 0, y: 0, width: 640, height: 560),
            styleMask: [.titled, .closable, .resizable, .miniaturizable],
            backing: .buffered, defer: false)
        w.title = model.title
        w.isReleasedWhenClosed = false
        w.center()
        w.contentViewController = NSHostingController(rootView: TranscriptEditorView(model: model))
        window = w
        NSApp.activate(ignoringOtherApps: true)
        w.makeKeyAndOrderFront(nil)
    }
}

/// Hosts the app Settings in a standalone resizable window. Far roomier than the
/// old in-popover NavigationLink, which cramped the form into the 320pt menu-bar
/// panel and hid most controls below a non-obvious scroll.
@MainActor
final class SettingsWindow {
    static let shared = SettingsWindow()
    private var window: NSWindow?

    func show(settings: AppSettings) {
        if let window {
            NSApp.activate(ignoringOtherApps: true)
            window.makeKeyAndOrderFront(nil)
            return
        }
        let w = NSWindow(
            contentRect: NSRect(x: 0, y: 0, width: 520, height: 660),
            styleMask: [.titled, .closable, .resizable, .miniaturizable],
            backing: .buffered, defer: false)
        w.title = "Settings"
        w.isReleasedWhenClosed = false
        w.center()
        w.contentViewController = NSHostingController(
            rootView: SettingsView().environmentObject(settings))
        window = w
        NSApp.activate(ignoringOtherApps: true)
        w.makeKeyAndOrderFront(nil)
    }
}

/// Hosts the recap-templates manager in its own resizable window.
@MainActor
final class TemplatesWindow {
    static let shared = TemplatesWindow()
    private var window: NSWindow?

    func show(settings: AppSettings) {
        if let window {
            NSApp.activate(ignoringOtherApps: true)
            window.makeKeyAndOrderFront(nil)
            return
        }
        let w = NSWindow(
            contentRect: NSRect(x: 0, y: 0, width: 760, height: 560),
            styleMask: [.titled, .closable, .resizable, .miniaturizable],
            backing: .buffered, defer: false)
        w.title = "Recap Templates"
        w.isReleasedWhenClosed = false
        w.center()
        w.contentViewController = NSHostingController(rootView: TemplatesView(settings: settings))
        window = w
        NSApp.activate(ignoringOtherApps: true)
        w.makeKeyAndOrderFront(nil)
    }
}