from fastapi import APIRouter, Depends, HTTPException
from core.database import fake_users_db

router = APIRouter()

@router.post("/login")
async def login_handler(
    username: str,
    password: str,
    db: Session = Depends(get_db)
):
    """Authenticate user and obtain JWT token"""
    user = fake_users_db.get(username)
    if not user or user["password"] != password:
        raise HTTPException(status_code=400, detail="Invalid credentials")
    
    access_token = create_access_token(user["id"])
    
    return {
        "message": "Login successful",
        "user": {
            "id": user["id"],
            "username": username,
            "email": user["email"]
        },
        "access_token": access_token,
        "token_type": "bearer",
        "expires_in": 3600
    }