//
//  Fonts.swift
//  TournamentStats
//
//  Created by Laurent Morvillier on 15/08/2019.
//  Copyright © 2019 Stax River. All rights reserved.
//

import Foundation
import UIKit

class Fonts {

    fileprivate enum FontName {
        case graph
        case regular
        case bold
        
        var name: String {
            switch self {
            case .graph:
                return "Menlo-Bold"
            case .regular:
                return "HelveticaNeue"
            case .bold:
                return "HelveticaNeue-Bold"
            }
        }
    }
    
    static let color: UIColor = UIColor.white
    static let titleColor: UIColor = UIColor.white //UIColor(r: 31, g: 222, b: 255, a: 1.0)
    static let graphTextColor: UIColor = UIColor(white: 0.8, alpha: 1.0)

    static var monospaced: UIFont { return Fonts.monospaced(size: 18) }
    static var bigNumbers: UIFont { return Fonts.monospaced(size: 48) }
    static let graph: UIFont = UIFont(name: FontName.graph.name, size: 18.0)!

    static let small: UIFont = UIFont(name: FontName.regular.name, size: 16.0)!
    static let regular: UIFont = UIFont(name: FontName.regular.name, size: 18.0)!
    static let bold: UIFont = UIFont(name: FontName.bold.name, size: 18.0)!
    
    static let mainTitle: UIFont = UIFont(name: FontName.bold.name, size: 72.0)!
    static let title: UIFont = UIFont(name: FontName.bold.name, size: 36.0)!
    static let subTitle: UIFont = UIFont(name: FontName.regular.name, size: 28.0)!
    static let cellTitle: UIFont = UIFont(name: FontName.regular.name, size: 20.0)!
    
    static let chartEntries: UIFont = UIFont(name: FontName.bold.name, size: 28.0)!
    static let chartLegend: UIFont = UIFont(name: FontName.regular.name, size: 18.0)!
    
    fileprivate static func monospaced(size: CGFloat = 18.0, weight: UIFont.Weight = .regular) -> UIFont {
        let features = [
            [
                UIFontDescriptor.FeatureKey.featureIdentifier: kNumberSpacingType,
                UIFontDescriptor.FeatureKey.typeIdentifier: kMonospacedNumbersSelector
            ]
        ]
        
        let fontDescriptor = UIFont.systemFont(ofSize: size, weight: weight).fontDescriptor.addingAttributes(
            [UIFontDescriptor.AttributeName.featureSettings: features]
        )
        return UIFont(descriptor: fontDescriptor, size: size)
    }
    
}