"""Application configuration"""
from functools import lru_cache
from pydantic_settings import BaseSettings

class Settings(BaseSettings):
    """Application settings"""
    PROJECT_NAME: str = "Employee Request System"
    
    # Database
    DATABASE_URL: str = "postgresql://postgres:postgres@localhost:5432/employee_requests"
    
    # JWT
    SECRET_KEY: str = "your-secret-key"
    ALGORITHM: str = "HS256"
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 30
    
    # Redis
    REDIS_HOST: str = "localhost"
    REDIS_PORT: int = 6379
    
    class Config:
        """Pydantic config"""
        case_sensitive = True

@lru_cache()
def get_settings() -> Settings:
    """Get cached settings"""
    return Settings()

settings = get_settings()