from functools import lru_cache
from pathlib import Path

from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    app_host: str = "127.0.0.1"
    app_port: int = 8000
    public_base_url: str = "http://127.0.0.1:8000"

    wall_width: int = 14880
    wall_height: int = 3510
    target_fps: int = 60

    switch_prepare_delay_ms: int = 1400
    action_prepare_delay_ms: int = 650
    initial_state_delay_ms: int = 160
    command_ttl_seconds: int = 45

    scene_config: Path = Path("config/scenes.json")
    tile_config: Path = Path("config/tiles.json")

    model_config = SettingsConfigDict(env_prefix="LED_", env_file=".env", extra="ignore")


@lru_cache
def get_settings() -> Settings:
    return Settings()