//
//  AddButton.swift
//  Befund
//
//  Created by Irakli Abetschkhrischwili on 19.05.22.
//  Copyright © 2022 MVZ Dr. Stein und Kollegen. All rights reserved.

import Foundation
import UIKit

@IBDesignable class AddButton: UIButton
{
    override init(frame: CGRect)
    {
        super.init(frame: frame)
        initialize()
    }
    
    required init(coder aDecoder: NSCoder)
    {
        super.init(coder: aDecoder)!
    }
    
    override func layoutSubviews()
    {
        super.layoutSubviews()
        initialize()
    }
    
    func initialize()
    {
        let screenBound = UIScreen.main.bounds;
        
        var width = CGFloat((screenBound.width * 30) / 180.0)
        
        if(width > 60.0)
        {
            width = CGFloat(60.0)
        }
        
        frame.size.width = width
        frame.size.height =  width
        
        layer.cornerRadius = width / 2
        
        frame.origin.y = (screenBound.height - 60) - (frame.height / 2.0)
        frame.origin.x = (screenBound.width / 2.0) - (frame.width / 2.0)
        layer.cornerRadius = bounds.size.height / 2.0
        clipsToBounds = true
        let gradient = CAGradientLayer()
        gradient.frame = bounds
        gradient.colors = [UIColor.white.cgColor, UIColor(red: 226/255.0, green: 0.0, blue: 122.0/255.0, alpha: 1.0).cgColor]
        gradient.startPoint = CGPoint(x: 1.0, y: 0.5)
        gradient.endPoint = CGPoint(x: 1.0, y: 0.5)
        let shape = CAShapeLayer()
        shape.lineWidth = 5
        shape.path = UIBezierPath(
        arcCenter: CGPoint(x: bounds.height/2,
        y: bounds.height/2),
        radius: bounds.height/2,
        startAngle: CGFloat(0),
        endAngle:CGFloat(CGFloat.pi * 2),
        clockwise: true).cgPath
        shape.strokeColor = UIColor.black.cgColor
        shape.fillColor = UIColor.clear.cgColor
        gradient.mask = shape
        layer.addSublayer(gradient)
    }
}