from pydantic_settings import BaseSettings
from typing import Optional


class Settings(BaseSettings):
    # Application
    APP_NAME: str = "Troubleshooting Decision Tree"
    DEBUG: bool = False
    API_V1_PREFIX: str = "/api/v1"

    # Database
    DATABASE_URL: str = "postgresql+asyncpg://postgres:postgres@localhost:5432/decision_tree"
    DATABASE_URL_SYNC: str = "postgresql://postgres:postgres@localhost:5432/decision_tree"

    # JWT Settings
    SECRET_KEY: str = "your-secret-key-change-in-production-use-openssl-rand-hex-32"
    ALGORITHM: str = "HS256"
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 15
    REFRESH_TOKEN_EXPIRE_DAYS: int = 7

    # Security
    BCRYPT_ROUNDS: int = 12

    # CORS
    CORS_ORIGINS: list[str] = ["http://localhost:3000", "http://localhost:5173"]

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


settings = Settings()