#!/usr/bin/env python3
"""Solid fill cycling through declared colours."""

from __future__ import annotations

from leds.pattern import Color, Pattern, run_cli


class Solid(Pattern):
    id = "solid"
    label = "Solid"
    fps = 1
    colors = {
        "a": Color("#ff0000"),
        "b": Color("#00ff00"),
        "c": Color("#0000ff"),
    }

    def draw(self, surface, t, params):
        palette = list(params["colors"].values()) or [(255, 0, 0)]
        frame = int(t * self.fps)
        surface.fill(palette[frame % len(palette)])


if __name__ == "__main__":
    run_cli(Solid)