//
//  Color.swift
//  Insta-template
//
//  Created by Arvind on 03/12/20.
//

import SwiftUI

extension Color {
    
    static
    func getLeftButtonColor() -> LinearGradient {
        let color = [
            Color(hex: "f35872"),
            Color(hex: "f99068"),
        ]
        return LinearGradient(gradient: Gradient(colors: color), startPoint: .leading, endPoint: .trailing)
    }
    
    static
    func getRightButtonColor() -> LinearGradient {
        let color = [
            Color(hex: "f99068"),
            Color(hex: "f35872"),
        ]
        return LinearGradient(gradient: Gradient(colors: color), startPoint: .leading, endPoint: .trailing)
    }
    
    init(hex: String) {
        let hex = hex.trimmingCharacters(in: CharacterSet.alphanumerics.inverted)
        var int: UInt64 = 0
        Scanner(string: hex).scanHexInt64(&int)
        let a, r, g, b: UInt64
        switch hex.count {
        case 3:
            (a, r, g, b) = (255, (int >> 8) * 17, (int >> 4 & 0xF) * 17, (int & 0xF) * 17)
        case 6:
            (a, r, g, b) = (255, int >> 16, int >> 8 & 0xFF, int & 0xFF)
        case 8:
            (a, r, g, b) = (int >> 24, int >> 16 & 0xFF, int >> 8 & 0xFF, int & 0xFF)
        default:
            (a, r, g, b) = (1, 1, 1, 0)
        }
        
        self.init(
            .sRGB,
            red: Double(r) / 255,
            green: Double(g) / 255,
            blue:  Double(b) / 255,
            opacity: Double(a) / 255
        )
    }
}
