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

router = APIRouter()

# Demo cart data
fake_cart_db = {
    "demo": [
        {"id": "1", "name": "Product 1", "price": 29.99, "quantity": 2},
        {"id": "2", "name": "Product 2", "price": 19.99, "quantity": 1}
    ]
}

@router.get("/cart")
async def get_cart_items(
    current_user: dict = Depends(get_current_user_dummy)
):
    """Get list of items in user's cart"""
    username = current_user.get("username", "demo")
    
    if username not in fake_cart_db:
        return {
            "message": "Cart is empty",
            "items": [],
            "metadata": {
                "total_items": 0,
                "total_value": 0.00
            }
        }
    
    cart_items = fake_cart_db[username]
    total_value = sum(item["price"] * item["quantity"] for item in cart_items)
    
    return {
        "message": "Cart items retrieved successfully",
        "items": cart_items,
        "metadata": {
            "total_items": len(cart_items),
            "total_value": total_value
        }
    }