"""Render portal animations for the web simulator."""

from __future__ import annotations

from leds.animations import ANIMATIONS, DEFAULT_FPS
from leds.array_config import (
    MATRIX_BRIGHTNESS,
    PANEL_COUNT,
    PANEL_FACE_BY_INDEX,
    PANEL_POSITION_BY_INDEX,
    PORTAL_PANEL_ORDER_CLOCKWISE,
    TOP_PANEL_INDEX,
    panel_layout,
    panel_label,
)
from leds.panel_udp import HeadlessMatrix


def portal_config() -> dict:
    panels = []
    for index in range(PANEL_COUNT):
        width, height = panel_layout(index)
        panels.append(
            {
                "index": index,
                "width": width,
                "height": height,
                "position": PANEL_POSITION_BY_INDEX.get(index),
                "face": PANEL_FACE_BY_INDEX.get(index),
                "label": panel_label(index),
            }
        )
    return {
        "panels": panels,
        "topPanel": TOP_PANEL_INDEX,
        "orderClockwise": list(PORTAL_PANEL_ORDER_CLOCKWISE),
        "animations": list(ANIMATIONS.keys()),
        "defaultFps": DEFAULT_FPS,
        "defaultBrightness": MATRIX_BRIGHTNESS,
    }


def render_portal_frame(
    animation: str,
    frame: int,
    *,
    brightness: float = MATRIX_BRIGHTNESS,
) -> dict:
    if animation not in ANIMATIONS:
        raise ValueError(f"unknown animation: {animation}")
    draw = ANIMATIONS[animation]
    panels = []
    for index in range(PANEL_COUNT):
        width, height = panel_layout(index)
        matrix = HeadlessMatrix(width, height, brightness=brightness)
        draw(matrix, frame)
        panels.append(
            {
                "index": index,
                "width": width,
                "height": height,
                "rgb": list(matrix.rgb_bytes()),
            }
        )
    return {
        "frame": frame,
        "animation": animation,
        "panels": panels,
    }