"""Commodore 128 VDC (8563) 16-colour RGBI palette.

The VDC outputs digital RGBI, giving a CGA-like 16-colour set (quite different
from the VIC-II's colours).  Index 0 = black, 15 = white -- the only two the mono
mode needs; the rest are provided for tinted-mono and future colour modes.
"""
from __future__ import annotations

import numpy as np

from ..palette import srgb_to_lab

VDC = np.array([
    (0x00, 0x00, 0x00),   # 0  black
    (0x55, 0x55, 0x55),   # 1  dark grey
    (0x00, 0x00, 0xAA),   # 2  blue
    (0x55, 0x55, 0xFF),   # 3  light blue
    (0x00, 0xAA, 0x00),   # 4  green
    (0x55, 0xFF, 0x55),   # 5  light green
    (0x00, 0xAA, 0xAA),   # 6  cyan
    (0x55, 0xFF, 0xFF),   # 7  light cyan
    (0xAA, 0x00, 0x00),   # 8  red
    (0xFF, 0x55, 0x55),   # 9  light red
    (0xAA, 0x00, 0xAA),   # 10 purple
    (0xFF, 0x55, 0xFF),   # 11 light purple
    (0xAA, 0x55, 0x00),   # 12 brown
    (0xFF, 0xFF, 0x55),   # 13 light yellow
    (0xAA, 0xAA, 0xAA),   # 14 light grey
    (0xFF, 0xFF, 0xFF),   # 15 white
], dtype=np.float64)


def get_palette() -> np.ndarray:
    return VDC


def palette_lab() -> np.ndarray:
    return srgb_to_lab(VDC)