//
//  RoundedLabel.swift
//
//  Created by Vasily Ulianov on 20.10.16.
//

import UIKit

@IBDesignable
class RoundedLabel: UILabel {

	var edgeInsets: UIEdgeInsets {
		if autoPadding {
			if cornerRadius == 0 {
				return UIEdgeInsetsZero
			} else {
				return UIEdgeInsets(top: 1, left: 3, bottom: 1, right: 3)
			}
		} else {
			return UIEdgeInsets(top: verticalPadding, left: horizontalPadding, bottom: verticalPadding, right: horizontalPadding)
		}
	}

	@IBInspectable var horizontalPadding: CGFloat = 0
	@IBInspectable var verticalPadding: CGFloat = 0
	@IBInspectable var autoPadding: Bool = true

	@IBInspectable var cornerRadius: CGFloat = 0 {
		didSet {
			layer.cornerRadius = cornerRadius
			layer.masksToBounds = cornerRadius > 0
		}
	}

	override func drawTextInRect(rect: CGRect) {
		super.drawTextInRect(UIEdgeInsetsInsetRect(rect, edgeInsets))
	}

	override func intrinsicContentSize() -> CGSize {
		var size = super.intrinsicContentSize()

		let edgeInsets = self.edgeInsets
		size.width += edgeInsets.left + edgeInsets.right
		size.height += edgeInsets.top + edgeInsets.bottom

		return size
	}

}