"""Server configuration from environment variables."""

from pathlib import Path
from pydantic_settings import BaseSettings


class Settings(BaseSettings):
    """Application settings loaded from environment variables."""

    # Database
    data_dir: Path = Path("/data")
    database_url: str = ""  # Computed from data_dir if empty

    # JWT
    secret_key: str = "change-me-in-production"
    access_token_expire_minutes: int = 60
    refresh_token_expire_days: int = 30

    # Server
    host: str = "0.0.0.0"
    port: int = 8420
    debug: bool = False

    # Claude AI (optional - leave empty to disable AI features)
    anthropic_api_key: str = ""
    ai_model: str = "claude-sonnet-4-20250514"
    ai_max_tokens: int = 1024

    # Telegram webhook secret (used to validate incoming webhook requests)
    telegram_webhook_secret: str = ""


    model_config = {"env_prefix": "IMMICH_WATCHER_"}

    @property
    def effective_database_url(self) -> str:
        if self.database_url:
            return self.database_url
        db_path = self.data_dir / "immich_watcher.db"
        return f"sqlite+aiosqlite:///{db_path}"


settings = Settings()