from functools import lru_cache

from pydantic import AnyHttpUrl, Field, computed_field
from pydantic_settings import BaseSettings, SettingsConfigDict


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

    app_name: str = "SACMC Connect"
    environment: str = "local"
    debug: bool = False
    api_v1_prefix: str = "/api/v1"
    log_level: str = "INFO"
    secret_key: str = Field(min_length=32)
    access_token_expire_minutes: int = Field(default=30, gt=0)
    jwt_algorithm: str = "HS256"
    postgres_user: str
    postgres_password: str
    postgres_db: str
    postgres_host: str = "localhost"
    postgres_port: int = 5432
    backend_cors_origins: list[AnyHttpUrl] = []

    @computed_field
    @property
    def database_url(self) -> str:
        return (
            f"postgresql+asyncpg://{self.postgres_user}:{self.postgres_password}"
            f"@{self.postgres_host}:{self.postgres_port}/{self.postgres_db}"
        )

    @computed_field
    @property
    def sync_database_url(self) -> str:
        return self.database_url.replace("postgresql+asyncpg", "postgresql+psycopg")


@lru_cache
def get_settings() -> Settings:
    return Settings()


settings = get_settings()