from typing import Optional
from urllib.parse import quote

from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    # Base app settings
    model_config = SettingsConfigDict(env_file=".env", extra="ignore")
    app_name: str = "F1tness Parser API"
    version: str = "0.0.1"
    debug: bool = False

    # Auth: JWT_SECRET signs access tokens, it must be long and random (see .env.example)
    JWT_SECRET: str = ""
    ACCESS_TOKEN_TTL_MINUTES: int = 15
    REFRESH_TOKEN_TTL_DAYS: int = 30
    # The refresh cookie of the web client is sent only over HTTPS when this is on
    COOKIE_SECURE: bool = False

    # Postgres database settings
    POSTGRES_DATABASE_URL: Optional[str] = None
    POSTGRES_DATABASE_HOST: str = "localhost"
    POSTGRES_DATABASE_PORT: int = 5432
    POSTGRES_DATABASE_DB: str = "f1tness_db"
    POSTGRES_DATABASE_USER: str = "postgres"
    POSTGRES_DATABASE_PASSWORD: str = "password"

    def get_postgres_database_url(self) -> str:
        """SQLAlchemy async URL. POSTGRES_DATABASE_URL, if set, takes precedence."""

        if self.POSTGRES_DATABASE_URL:
            return self.POSTGRES_DATABASE_URL

        return (
            f"postgresql+asyncpg://{quote(self.POSTGRES_DATABASE_USER)}"
            f":{quote(self.POSTGRES_DATABASE_PASSWORD)}"
            f"@{self.POSTGRES_DATABASE_HOST}"
            f":{self.POSTGRES_DATABASE_PORT}/{self.POSTGRES_DATABASE_DB}"
        )


settings = Settings()