from typing import Annotated, Any

from pydantic import AnyUrl, BeforeValidator, computed_field
from pydantic_settings import BaseSettings, SettingsConfigDict


def parse_cors(v: Any) -> list[str] | str:
    if isinstance(v, str) and not v.startswith("["):
        return [i.strip() for i in v.split(",")]
    elif isinstance(v, list | str):
        return v
    raise ValueError(v)


class Settings(BaseSettings):
    model_config = SettingsConfigDict(
        env_file=".env", env_ignore_empty=True, extra="ignore"
    )

    DATABASE: str
    SECRET: str
    PORT: int

    FRONTEND_HOST: str = "http://localhost:5173"
    BACKEND_CORS_ORIGINS: Annotated[list[AnyUrl] | str, BeforeValidator(parse_cors)] = (
        []
    )

    @computed_field  # type: ignore[prop-decorator]
    @property
    def all_cors_origins(self) -> list[str]:
        return [str(origin).rstrip("/") for origin in self.BACKEND_CORS_ORIGINS] + [
            self.FRONTEND_HOST
        ]

    ADMIN_PASSWORD: str
    DISABLE_ADMIN: bool = False


settings = Settings()