Meshtastic-Apple/MeshtasticClient/Helpers/Extensions.swift

import Foundation
import SwiftUI

extension Data
{
    var hexDescription: String
    {
        return reduce("") {$0 + String(format: "%02x", $1)}
    }
}

extension Date
{
    static var currentTimeStamp: Int64
    {
        return Int64(Date().timeIntervalSince1970 * 1000)
    }
}

extension String
{

    /// Create `Data` from hexadecimal string representation
    ///
    /// This creates a `Data` object from hex string. Note, if the string has any spaces or non-hex characters (e.g. starts with '<' and with a '>'), those are ignored and only hex characters are processed.
    ///
    /// - returns: Data represented by this hexadecimal string.

    var hexadecimal: Data?
    {
        var data = Data(capacity: count / 2)

        let regex = try! NSRegularExpression(pattern: "[0-9a-f]{1,2}", options: .caseInsensitive)
        regex.enumerateMatches(in: self, range: NSRange(startIndex..., in: self)) { match, _, _ in
            let byteString = (self as NSString).substring(with: match!.range)
            let num = UInt8(byteString, radix: 16)!
            data.append(num)
        }

        guard data.count > 0 else { return nil }

        return data
    }

}

typealias NodeColor = Int

extension NodeColor {
  // a color to represent an individual meshtastic device
var color: Color {
    switch self {
            case 0:
                return Color(.red)
            case 1:
                return Color(.blue)
            case 2:
                return Color(.yellow)
            case 3:
                return Color(.green)
            case 4:
                return Color(.purple)
            case 5:
                return Color(.systemPink)
            case 6:
                return Color(.systemTeal)
            case 7:
                return Color(.black)
            case 8:
                return Color(.gray)
            case 9:
                return Color(.brown)
            case 10:
                return Color(.magenta)
            case 11:
                return Color(.orange)
            case 12:
                return Color(.cyan)
            default:
                return Color(.blue)
        }
    }
}