import secrets
from typing import Any, Dict, List, Optional, Union

from pydantic import AnyHttpUrl, BaseSettings, validator, EmailStr, HttpUrl


class Settings(BaseSettings):
    API_V1_STR: str = "/api/v1"
    SQLALCHEMY_DATABASE_URI: str = "sqlite:///./floorball.db"

    SECRET_KEY: str = secrets.token_urlsafe(32)
    # 60 minutes * 24 hours * 8 days = 8 days
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 60 * 24 * 8
    SERVER_NAME: str = "localhost"
    SERVER_HOST: AnyHttpUrl = "http://localhost"
    # BACKEND_CORS_ORIGINS is a JSON-formatted list of origins
    # e.g: '["http://localhost", "http://localhost:4200", "http://localhost:3000", \
    # "http://localhost:8080", "http://local.dockertoolbox.tiangolo.com"]'
    BACKEND_CORS_ORIGINS: List[AnyHttpUrl] = []

    @validator("BACKEND_CORS_ORIGINS", pre=True)
    def assemble_cors_origins(
        cls, v: Union[str, List[str]]
    ) -> Union[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)

    PROJECT_NAME: str = "Floorball stats"
    SENTRY_DSN: Optional[HttpUrl] = ""

    @validator("SENTRY_DSN", pre=True)
    def sentry_dsn_can_be_blank(cls, v: str) -> Optional[str]:
        if len(v) == 0:
            return None
        return v

    EMAIL_TEST_USER: EmailStr = "test@example.com"  # type: ignore
    FIRST_SUPERUSER: EmailStr = "test@example.com"
    FIRST_SUPERUSER_PASSWORD: str = "hej"
    USERS_OPEN_REGISTRATION: bool = False

    class Config:
        case_sensitive = True


settings = Settings()