import os

from pydantic_settings import BaseSettings
from typing import List
from dotenv import load_dotenv

load_dotenv()


class Settings(BaseSettings):
    """
    Application settings configuration
    """

    PROJECT_NAME: str = "FastAPI Starter Kit"
    VERSION: str = "1.0.0"
    API_V1_STR: str = "/api/v1"

    # CORS settings
    ALLOWED_HOSTS: List[str] = [
        "localhost",
        "127.0.0.1",
        "0.0.0.0",
        "http://localhost:3000",
        "http://127.0.0.1:3000",
        "http://localhost:8000",
        "http://127.0.0.1:8000",
    ]

    # Database settings
    DATABASE_URL: str = "sqlite:///./app.db"

    # Security settings
    SECRET_KEY: str = "your-secret-key-here-change-in-production"
    ALGORITHM: str = "HS256"
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 30

    # OpenAI settings
    OPENAI_API_KEY: str = os.getenv("OPENAI_API_KEY", "")

    class Config:
        env_file = ".env"
        case_sensitive = True


settings = Settings()