//
//  WindowController.swift
//  PrivadoVPN
//
//  Created by Murad Shabanov on 20.07.2021.
//  Copyright © 2021 Privado LLC. All rights reserved.
//

import Foundation

extension NSWindow.FrameAutosaveName {
    static let preferences: NSWindow.FrameAutosaveName = "io.privado.preferences.FrameAutosaveName"
}

final class WindowController: NSWindowController {
    
    private var viewController: PreferencesViewController?

    init(panes: [PreferencePane], output: PreferenceOutputProtocol, controller: PreferencesViewController) {
        let window = UserInteractionPausableWindow(
            // temp contentRect
            contentRect: NSRect(x: 0, y: 0, width: 660, height: 560), styleMask: [ .titled, .closable ],
            backing: .buffered,
            defer: true
        )
        
        let applicationView = PreferencesView(frame: NSRect(origin: .zero, size: NSSize(width: 660, height: 560)))
        
        let navigationController = JSNavigationController(rootViewController: controller, viewDelegate: applicationView)
        
        NSLayoutConstraint.activate([
            applicationView.widthAnchor.constraint(equalToConstant: 660),
            applicationView.heightAnchor.constraint(equalToConstant: 560)
        ])
        
        navigationController.preferredContentSize = NSSize(width: 660, height: 560)
        navigationController.view.addSubview(applicationView)
                
        super.init(window: window)
        
        self.viewController = controller
        self.navigationController = navigationController
        
        window.delegate = self
        window.titleVisibility = .hidden
        window.isOpaque = true
        window.backgroundColor = .clear
        window.contentViewController = navigationController
        
        
        window.titlebarAppearsTransparent = true
        window.styleMask.insert(.fullSizeContentView)
        
        self.viewController?.children = panes
        self.viewController?.preferencePanes = panes
    }
    
    var navigationController: JSNavigationController?
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    func show(preferencePane preferenceIdentifier: PreferencePane.Identifier? = nil) {
        
//        if let preferenceIdentifier = preferenceIdentifier {
//            self.viewController?.activateTab(preferenceIdentifier: preferenceIdentifier, animated: false)
//        } else {
//            self.viewController?.restoreInitialTab()
//        }
        
        self.viewController?.restoreInitialTab()
        
        self.showWindow(self)
        self.restoreWindowPosition()
        NSApp.activate(ignoringOtherApps: true)
    }
    
    private func restoreWindowPosition() {
        guard let window = self.window
        , let screen = NSScreen.main else {
                return
        }
        
        window.setFrameOrigin(CGPoint(
            x: screen.visibleFrame.midX - window.frame.width / 2,
            y: screen.visibleFrame.midY - window.frame.height / 2
        ))
        window.setFrameUsingName(.preferences)
        window.setFrameAutosaveName(.preferences)
    }
}

extension WindowController: NSWindowDelegate {
    
    func windowShouldClose(_ sender: NSWindow) -> Bool {
        return true
    }
}