//
//  ViewController.swift
//  Test3
//
//  Created by Daniel Zollitsch on 27.09.21.
//

import Cocoa

@objc class buttontest : NSObject{
    let button = NSButton(frame: CGRect(x: 100, y: 100, width: 150, height: 50))
    @objc func printSomething() {
        print("Hello")
     //   print(NSApp.currentEvent)
        if(NSApp.currentEvent?.type==NSEvent.EventType.leftMouseDragged){
            self.button.frame.origin.x=CGFloat(NSApp.currentEvent?.locationInWindow.x ?? 0)-75.0
            self.button.frame.origin.y=CGFloat(NSApp.currentEvent?.locationInWindow.y ?? 0)-25.0
        }
        self.button.title="Test14"
      }

    func buttoninit(x: Int, y: Int) -> NSButton{
        self.button.title="Test"
        self.button.frame.origin.x=CGFloat(x)
        self.button.frame.origin.y=CGFloat(y)
        self.button.bezelStyle=NSButton.BezelStyle.rounded
        self.button.target=self;
        //button.action = Selector(ViewController.printSomething)
        self.button.identifier=NSUserInterfaceItemIdentifier.init(rawValue: "TEST");
        self.button.sendAction(on: [NSEvent.EventTypeMask.leftMouseUp,NSEvent.EventTypeMask.leftMouseDragged]);
        self.button.action = #selector(self.printSomething)


        return self.button
    }
}

class ViewController: NSViewController {

    var animated = false;
    let scrollView = NSScrollView(frame: NSRect(x: 300, y: 300, width: 600, height: 200))
    @objc func startscroll() {
       print("Scroll Started")
            print(NSApp.currentEvent)
        var val = scrollView.contentView.frame.height
        var val2 = scrollView.documentView?.frame.height ?? 0;
        if(scrollView.contentView.bounds.origin.y>0 && scrollView.contentView.bounds.origin.y<=(val2-val)-1 ){
            //scrollView.contentView.animator().setBoundsOrigin(NSMakePoint(0, scrollView.contentView.bounds.origin.y))
            scrollView.contentView.layer?.removeAllAnimations()
        }


       //



     }
    @objc func endscroll() {
       print("end")

        print(NSApp.currentEvent ?? 0)
        var val = scrollView.contentView.frame.height
        var val2 = scrollView.documentView?.frame.height ?? 0;


        if(scrollView.contentView.bounds.origin.y>0 && scrollView.contentView.bounds.origin.y<=(val2-val)-1 ){

        var offset = scrollView.contentView.bounds.origin.y
             offset = round(offset / 60) * 60;
        NSAnimationContext.runAnimationGroup({ context in
            context.duration = 2
            crollView.contentView.animator().setBoundsOrigin(NSMakePoint(0, offset))
        }) {

        }}
     }
    var buttonvar: [buttontest] = []
    private lazy var redBox = NSView(frame: NSRect(x: 0, y: 0, width: 100, height: 100))
    override func viewDidLoad() {
        super.viewDidLoad()
        view.addSubview(redBox)
        redBox.wantsLayer = true
        redBox.layer?.backgroundColor = NSColor.red.cgColor

        //button.init("Test12",self,Selector(printSomething())

        buttonvar.append(buttontest());
        buttonvar.append(buttontest());

        self.view.addSubview(buttonvar[0].buttoninit(x:100,y:100))
        self.view.addSubview(buttonvar[1].buttoninit(x:300,y:300))
        let slider = NSSlider(frame: CGRect(x: 10, y: 10, width: 100, height: 200))
        slider.minValue=0;
        slider.maxValue=255;
        slider.sliderType=NSSlider.SliderType.linear;
        slider.action=#selector(printslider)
        slider.target=self;
        slider.floatValue=50.5
        self.view.addSubview(slider)
        //self.view.addSubview(buttontest().buttoninit())
        // Do any additional setup after loading the view.

        scrollView.translatesAutoresizingMaskIntoConstraints = false
        scrollView.borderType = .bezelBorder
        scrollView.backgroundColor = NSColor.gray
        scrollView.hasVerticalScroller = true
        scrollView.hasHorizontalScroller = true
        scrollView.frame.origin.x=300;
        scrollView.frame.origin.y=300;

        //scrollView.allowsMagnification = true
        self.view.addSubview(scrollView)


        let clipView = NSClipView()
        scrollView.contentView = clipView
        clipView.backgroundColor = NSColor.blue

        // Initial document view
        let documentView = NSView(frame: NSRect(x: 0, y: 0, width: 1200, height: 300))
        documentView.wantsLayer = true
        scrollView.documentView = documentView
        documentView.layer?.backgroundColor = NSColor.red.cgColor
        documentView.layer?.borderWidth = 0
        documentView.layer?.borderColor = NSColor.darkGray.cgColor
        clipView.scaleUnitSquare(to: NSSize(width: 1, height: 1))
        clipView.postsBoundsChangedNotifications = true
        /*NotificationCenter.default.addObserver(self,
                                               selector: #selector(collectionViewDidScroll(notification:)),
                                               name: NSView.boundsDidChangeNotification,
                                               object: clipView)*/
        /*NotificationCenter.default.addObserver(self,
                                               selector: #selector(printslider),
                                               name: NSView.boundsDidChangeNotification,
                                               object: clipView)*/
        NotificationCenter.default.addObserver(self,
                                               selector: #selector(startscroll),
                                               name: NSScrollView.willStartLiveScrollNotification,
                                               object: scrollView)

        NotificationCenter.default.addObserver(self,
                                               selector: #selector(endscroll),
                                               name: NSScrollView.didEndLiveScrollNotification,
                                               object: scrollView)


        // Subview1
        let view1 = NSView(frame: NSRect(x: 0, y: 0, width: 1200, height: 60))
        view1.translatesAutoresizingMaskIntoConstraints = false
        view1.wantsLayer = true
        view1.layer?.backgroundColor = NSColor.windowBackgroundColor.cgColor
        view1.layer?.borderWidth = 1
        view1.layer?.borderColor = NSColor.gray.cgColor
        documentView.addSubview(view1)

        let view2 = NSView(frame: NSRect(x: 0, y: 60, width: 1200, height: 60))
        view2.translatesAutoresizingMaskIntoConstraints = false
        view2.wantsLayer = true
        view2.layer?.backgroundColor = NSColor.green.cgColor
        view2.layer?.borderWidth = 1
        view2.layer?.borderColor = NSColor.gray.cgColor
        documentView.addSubview(view2)

        let view3 = NSView(frame: NSRect(x: 0, y: 120, width: 1200, height: 60))
        view3.translatesAutoresizingMaskIntoConstraints = false
        view3.wantsLayer = true
        view3.layer?.backgroundColor = NSColor.green.cgColor
        view3.layer?.borderWidth = 1
        view3.layer?.borderColor = NSColor.gray.cgColor
        documentView.addSubview(view3)

        let view4 = NSView(frame: NSRect(x: 0, y: 180, width: 1200, height: 60))
        view4.translatesAutoresizingMaskIntoConstraints = false
        view4.wantsLayer = true
        view4.layer?.backgroundColor = NSColor.green.cgColor
        view4.layer?.borderWidth = 1
        view4.layer?.borderColor = NSColor.gray.cgColor
        documentView.addSubview(view4)

        let view5 = NSView(frame: NSRect(x: 0, y: 240, width: 1200, height: 60))
        view5.translatesAutoresizingMaskIntoConstraints = false
        view5.wantsLayer = true
        view5.layer?.backgroundColor = NSColor.green.cgColor
        view5.layer?.borderWidth = 1
        view5.layer?.borderColor = NSColor.gray.cgColor
        documentView.addSubview(view5)

    }
    override func loadView() {
    self.view = NSView(frame: NSRect(x: 0, y: 0, width: NSScreen.main?.frame.width ?? 100, height: NSScreen.main?.frame.height ?? 100))
    }
    override var representedObject: Any? {
        didSet {
        // Update the view, if already loaded.
        }
    }


}