from pydantic_settings import BaseSettings
from pydantic import Field
from typing import Optional


class Settings(BaseSettings):
    # Database
    database_url: str = Field(..., env="DATABASE_URL")

    # Redis
    redis_url: str = Field("redis://localhost:6379/0", env="REDIS_URL")

    # Auth
    secret_key: str = Field(..., env="SECRET_KEY")
    algorithm: str = "HS256"
    access_token_expire_minutes: int = 60 * 24 * 7  # 7 days

    # Admin account - optional so the worker (which doesn't seed users) can start
    # without it. The backend service checks this at seed time.
    admin_username: str = Field("admin", env="ADMIN_USERNAME")
    admin_password: Optional[str] = Field(None, env="ADMIN_PASSWORD")

    # PocketID OIDC (optional)
    pocketid_issuer: Optional[str] = Field(None, env="POCKETID_ISSUER")
    pocketid_client_id: Optional[str] = Field(None, env="POCKETID_CLIENT_ID")
    pocketid_client_secret: Optional[str] = Field(None, env="POCKETID_CLIENT_SECRET")

    # Files
    file_store_path: str = Field("/data/files", env="FILE_STORE_PATH")

    # Environment
    environment: str = Field("production", env="ENVIRONMENT")

    class Config:
        env_file = ".env"
        case_sensitive = False


settings = Settings()