from pydantic import BaseModel
from pydantic_settings import BaseSettings, SettingsConfigDict


class DavSettings(BaseModel):
    """
    Connection to a DAV server.
    """

    protocol: str = "https"
    host: str = "example.com"
    username: str = "advent22_user"
    password: str = "password"
    path: str = "/remote.php/webdav"
    prefix: str = "/advent22"

    disable_check: bool = False
    retries: int = 20

    @property
    def url(self) -> str:
        """
        Combined DAV URL.
        """

        return f"{self.protocol}://{self.host}{self.path}{self.prefix}"


class Settings(BaseSettings):
    """
    Per-run settings.
    """

    model_config = SettingsConfigDict(
        env_file=".env",
        env_file_encoding="utf-8",
        env_nested_delimiter="__",
    )

    #####
    # general settings
    #####

    production_mode: bool = False
    ui_directory: str = "/html"

    #####
    # openapi settings
    #####

    openapi_url: str = "/openapi.json"
    docs_url: str | None = None if production_mode else "/docs"
    redoc_url: str | None = None if production_mode else "/redoc"

    #####
    # webdav settings
    #####

    webdav: DavSettings = DavSettings()

    cache_ttl: int = 60 * 30
    config_filename: str = "config.toml"


SETTINGS = Settings()