//
//  UIKit+Extensions.swift
//  Earthquake Network
//
//  Created by Andrea Busi on 05/04/21.
//  Copyright © 2021 Earthquake Network. All rights reserved.
//

import UIKit


extension UIButton {
    
    func setLocalizedTitle(key: String, uppercased: Bool = true, emoji: String? = nil) {
        var title = NSLocalizedString(key, comment: "")
        if uppercased {
            title = title.uppercased()
        }
        if let emoji = emoji {
            title = "\(title) \(emoji)"
        }
        setTitle(title, for: .normal)
    }
}


extension UIImage {
    class func circle(
        diameter: CGFloat,
        color: UIColor,
        borderWidth: CGFloat = 0.0,
        borderColor: UIColor = .black
    ) -> UIImage {
        let size = CGSize(width: diameter, height: diameter)
        let renderer = UIGraphicsImageRenderer(size: size)
        let img = renderer.image { ctx in
            ctx.cgContext.setFillColor(color.cgColor)
            ctx.cgContext.setStrokeColor(borderColor.cgColor)
            ctx.cgContext.setLineWidth(borderWidth)
            
            // reduce circle size to keep space for the border
            // without this, the image view is cropped
            let circleDiameter = diameter - 2*borderWidth
            let rectangle = CGRect(x: borderWidth, y: borderWidth, width: circleDiameter, height: circleDiameter)
            ctx.cgContext.addEllipse(in: rectangle)
            ctx.cgContext.drawPath(using: .fillStroke)
        }
        return img
    }
}