"""Application configuration."""

from functools import lru_cache

from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    """Application settings."""

    model_config = SettingsConfigDict(
        env_file=".env",
        env_file_encoding="utf-8",
        case_sensitive=False,
        extra="ignore",
    )

    # Application
    app_name: str = "backend"
    app_version: str = "0.1.0"
    debug: bool = False
    log_level: str = "INFO"

    # API
    api_host: str = "0.0.0.0"
    api_port: int = 8000
    api_prefix: str = "/api/v1"

    # CORS
    cors_origins: list[str] = ["http://localhost:3000"]


@lru_cache
def get_settings() -> Settings:
    """Get cached settings instance."""
    return Settings()