//
//  AppDelegate.swift
//  TagTunes
//
//  Created by Kim Wittenburg on 28.08.15.
//  Copyright © 2015 Kim Wittenburg. All rights reserved.
//

import Cocoa

@NSApplicationMain
internal class AppDelegate: NSObject, NSApplicationDelegate {

    /// The app's unsorted tracks window. This should be initalized when the app
    /// launches.
    var unsortedTracksWindowController: NSWindowController!

    /// The app's unsorted tracks controller.
    weak var unsortedTracksController: UnsortedTracksController!

    internal func applicationDidFinishLaunching(aNotification: NSNotification) {
        Preferences.sharedPreferences.initializeDefaultValues()
        let storyboard = NSStoryboard(name: "Main", bundle: nil)
        unsortedTracksWindowController = storyboard.instantiateControllerWithIdentifier("unsortedTracksWindowController") as? NSWindowController
        unsortedTracksController.visible = true
    }
    
    internal func applicationShouldTerminateAfterLastWindowClosed(sender: NSApplication) -> Bool {
        return true
    }

    @IBAction func toggleUnsortedTracks(sender: AnyObject?) {
        unsortedTracksController.visible = !unsortedTracksController.visible
    }

}

extension NSApplication {

    /// The app`s unsorted tracks controller. When a `UnsortedTracksController`
    /// is initialized it should this property to itself.
    ///
    /// The value of this property is not retained.
    var unsortedTracksController: UnsortedTracksController! {
        set {
            (delegate as? AppDelegate)?.unsortedTracksController = newValue
        }
        get {
            return (delegate as? AppDelegate)?.unsortedTracksController
        }
    }
}