import os
from functools import lru_cache

from pydantic_settings import BaseSettings


class Settings(BaseSettings):
    # Application
    APP_NAME: str = "FreeTable"
    APP_VERSION: str = "1.0.0"
    DEBUG: bool = os.getenv("DEBUG", "false").lower() == "true"

    # Database
    DATABASE_URL: str = os.getenv("DATABASE_URL", "sqlite:///./freetable.db")

    # JWT
    SECRET_KEY: str = os.getenv("SECRET_KEY", "change-me-in-production")
    ALGORITHM: str = "HS256"
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 1440  # 24 hours

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

    # Password
    PASSWORD_COST_FACTOR: int = 12

    # Upload
    UPLOAD_DIR: str = os.getenv("UPLOAD_DIR", "./uploads")
    MAX_UPLOAD_SIZE: int = 10 * 1024 * 1024  # 10MB

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


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