from pathlib import Path

from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    model_config = SettingsConfigDict(env_file=".env", env_file_encoding="utf-8", extra="ignore")

    # Storage
    db_path: str = "power_compare.db"

    # iSolarCloud. "v1" = plain username/password login app; "oauth2" = a
    # separate app type using the browser authorization-code flow. See
    # SETUP.md -- these are two distinct developer-portal app registrations
    # with different credentials, not two ways of using the same one.
    isolarcloud_auth_mode: str = "v1"  # "v1" | "oauth2"
    isolarcloud_app_key: str = ""  # "Appkey" from the developer portal
    isolarcloud_app_secret: str = ""  # "Secret key" / x-access-key from the developer portal
    isolarcloud_region: str = "australia"  # australia | europe | china | international
    isolarcloud_plant_id: str = ""

    # -- v1 auth mode only --
    isolarcloud_username: str = ""  # your regular iSolarCloud account (email/username)
    isolarcloud_password: str = ""
    # PEM-formatted RSA public key from the developer portal (Settings ->
    # Open API), if your application was issued one. Some V1-login apps
    # require the password to be RSA-encrypted before it's sent; when this
    # is blank, the password is sent as plain text over HTTPS instead.
    isolarcloud_rsa_public_key: str = ""

    # -- oauth2 auth mode only --
    isolarcloud_oauth_app_id: str = ""  # "applicationId" from the developer portal
    isolarcloud_oauth_redirect_uri: str = "https://localhost:8000/isolarcloud/callback"

    # Set to true until real credentials are configured; the scheduler then
    # polls app.isolarcloud.mock_client instead of the real API.
    use_mock_isolarcloud: bool = True

    # Household / AER plan scoping -- must match a substring of the
    # distributor name AER plan data uses (e.g. "Energex" or "Ergon").
    distributor: str = "Energex"
    postcode: str = ""

    # Scheduler cadence
    isolarcloud_poll_interval_minutes: int = 10
    aer_refresh_interval_hours: int = 24

    aer_base_url: str = "https://cdr.energymadeeasy.gov.au"

    @property
    def db_url(self) -> str:
        return f"sqlite:///{Path(self.db_path).resolve()}"


settings = Settings()