using System;
using System.Drawing;

namespace SoFii {
    public readonly struct ColourCharInfo {
        public readonly char Char;
        public readonly Color Colour;

        public ColourCharInfo(char chr, Color col) {
            Char = chr;
            Colour = col;
        }

        public static ColourCharInfo FromStrings(string chr, string col) {
            if(chr is null)
                throw new ArgumentNullException(nameof(chr));
            if(col is null)
                throw new ArgumentNullException(nameof(col));
            if(chr.Length < 1)
                throw new ArgumentException("chr must contain at least 1 character", nameof(chr));
            if(!int.TryParse(col, out int colourRaw))
                throw new ArgumentException("col is not a valid integer", nameof(col));

            return new ColourCharInfo(chr[0], Color.FromArgb(unchecked(colourRaw | (int)0xFF000000)));
        }

        public override string ToString() {
            return $"ColourCharInfo [Char={Char}, Colour={Colour}]";
        }
    }
}