#!/usr/bin/env python3

"""Recolour the theme-picker thumbnails.

These are miniature screenshots rather than widget art, so unlike the rest of

assets/ they draw on the whole Nord palette at once -- including hues that

appear nowhere else in the theme. Every Nord entry is anchored here so none of

them falls through to a neutral.

"""

import os

import sys

sys.path.insert(0, os.path.join(os.path.dirname(__file__), "lib"))

import darkmatter as dm

from png import Png

from remap import Remapper

NORD = [

    ("#2e3440", dm.DARK),        # polar night -> the surface ladder

    ("#3b4252", dm.BASE),

    ("#434c5e", dm.BG),

    ("#4c566a", dm.BORDER),

    ("#232831", dm.SHADOW),

    ("#d8dee9", dm.FG),          # snow storm -> foreground

    ("#e5e9f0", dm.FG),

    ("#eceff4", dm.FG),

    ("#8fbcbb", dm.ORANGE),      # frost -> the accent ramp

    ("#88c0d0", dm.ORANGE),

    ("#81a1c1", dm.ORANGE_L1),

    ("#5e81ac", dm.ORANGE_D1),

    ("#bf616a", dm.RED),         # aurora

    ("#d08770", dm.ORANGE),

    ("#ebcb8b", dm.CREAM),

    ("#a3be8c", dm.TEAL),

    ("#b48ead", dm.CREAM),

    ("#000000", "#000000"),

    ("#ffffff", dm.FG),

]

TARGETS = ["gtk-3.0/thumbnail.png", "gtk-4.0/thumbnail.png"]

def main():

    remap = Remapper([(dm.rgb(s), dm.rgb(t)) for s, t in NORD])

    for path in TARGETS:

        if not os.path.exists(path):

            continue

        img = Png(path)

        if img.color_type == 3:

            img.set_palette([remap(c) for c in img.palette()])

        elif img.color_type == 6:

            img.set_rgba([remap(p[:3]) + (p[3],) for p in img.rgba()])

        else:

            print("  skipped (colour type %d): %s" % (img.color_type, path))

            continue

        img.save()

        print("  recoloured %s" % path)

if __name__ == "__main__":

    main()