"""Application configuration loaded from environment variables"""
from pydantic_settings import BaseSettings
from functools import lru_cache


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

    # Database
    DATABASE_URL: str

    # Security
    FERNET_KEY: str

    # AD API
    AD_API_URL: str

    # Session Settings
    SESSION_INACTIVITY_DAYS: int = 3
    TOKEN_REFRESH_THRESHOLD_MINUTES: int = 5
    MAX_REFRESH_ATTEMPTS: int = 3

    # Server
    HOST: str = "0.0.0.0"
    PORT: int = 8000
    DEBUG: bool = True

    # MinIO Object Storage
    MINIO_ENDPOINT: str = "localhost:9000"
    MINIO_ACCESS_KEY: str = "minioadmin"
    MINIO_SECRET_KEY: str = "minioadmin"
    MINIO_BUCKET: str = "task-reporter-files"
    MINIO_SECURE: bool = False  # Use HTTPS

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


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