"""Authentication API endpoints."""

from fastapi import APIRouter, Depends, HTTPException, Request, status

from app.dependencies import get_db_client
from app.interfaces.db_api_client import DBApiClient
from app.models.auth import LoginResponse
from app.services.auth_service import AuthService

router = APIRouter(prefix="/auth", tags=["auth"])


@router.post("/login", response_model=LoginResponse)
async def login(
    request: Request,
    login: str,
    db_client: DBApiClient = Depends(get_db_client)
):
    """
    Authenticate user with 8-digit login.

    Args:
        request: FastAPI request object (to get client IP)
        login: 8-digit login string
        db_client: DB API client instance

    Returns:
        LoginResponse with JWT token and user info

    Raises:
        HTTPException 400: If login format is invalid
        HTTPException 500: If DB API call fails
    """
    
    client_ip = request.client.host

    
    auth_service = AuthService(db_client)

    try:
        
        response = await auth_service.login(login, client_ip)
        return response
    except ValueError as e:
        raise HTTPException(
            status_code=status.HTTP_400_BAD_REQUEST,
            detail=str(e)
        )
    except Exception as e:
        raise HTTPException(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
            detail=f"Authentication failed: {str(e)}"
        )