/*
 * This file is part of ComputerCraft - http://www.computercraft.info
 * Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
 * Send enquiries to dratcliffe@gmail.com
 */

package dan200.computercraft.shared.util;

public enum Colour
{
    Black( 0x111111 ),
    Red( 0xcc4c4c ),
    Green( 0x57A64E ),
    Brown( 0x7f664c ),
    Blue( 0x3366cc ),
    Purple( 0xb266e5 ),
    Cyan( 0x4c99b2 ),
    LightGrey( 0x999999 ),
    Grey( 0x4c4c4c ),
    Pink( 0xf2b2cc ),
    Lime( 0x7fcc19 ),
    Yellow( 0xdede6c ),
    LightBlue( 0x99b2f2 ),
    Magenta( 0xe57fd8 ),
    Orange( 0xf2b233 ),
    White( 0xf0f0f0 );

    public static final Colour[] VALUES = values();

    public static Colour fromInt( int colour )
    {
        return colour >= 0 && colour < 16 ? Colour.VALUES[colour] : null;
    }

    public static Colour fromHex( int colour )
    {
        for( Colour entry : VALUES )
        {
            if( entry.getHex() == colour ) return entry;
        }

        return null;
    }

    private final int hex;
    private final float[] rgb;

    Colour( int hex )
    {
        this.hex = hex;
        rgb = new float[] {
            ((hex >> 16) & 0xFF) / 255.0f,
            ((hex >> 8) & 0xFF) / 255.0f,
            (hex & 0xFF) / 255.0f,
        };
    }

    public Colour getNext()
    {
        return VALUES[(ordinal() + 1) % 16];
    }

    public Colour getPrevious()
    {
        return VALUES[(ordinal() + 15) % 16];
    }

    public int getHex()
    {
        return hex;
    }

    public float[] getRGB()
    {
        return rgb;
    }

    public float getR()
    {
        return rgb[0];
    }

    public float getG()
    {
        return rgb[1];
    }

    public float getB()
    {
        return rgb[2];
    }
}