from fastapi import APIRouter, Depends, HTTPException, Query
from sqlalchemy.orm import Session
from typing import List, Dict, Any
from app.db.base import get_db
from app.services.external_catalog import ExternalCatalogService
from app.schemas.auth import AuthResponse

router = APIRouter(prefix="/external", tags=["External Data"])

@router.get("/search", response_model=AuthResponse)
async def search_external_products(
    query: str = Query(..., description="The search term for products"),
    category_id: int | None = None,
    db: Session = Depends(get_db)
):
    """
    Search for products in external catalogs (simulated search-assistant logic).
    """
    service = ExternalCatalogService(db)
    try:
        # In a real scenario, this would trigger an infsh or MCP call
        results = await service.fetch_real_products(query)
        return AuthResponse(
            isSuccess=True,
            value={"results": results, "query": query},
            statusCode=200
        )
    except Exception as e:
        raise HTTPException(status_code=500, detail=str(e))

@router.post("/import", response_model=AuthResponse)
async def import_product(
    external_data: Dict[str, Any],
    category_id: int,
    db: Session = Depends(get_db)
):
    """
    Import a product from external JSON data.
    """
    service = ExternalCatalogService(db)
    try:
        product = await service.create_product_from_external(external_data, category_id)
        db.commit()
        return AuthResponse(
            isSuccess=True,
            value={"message": "Product imported successfully", "product_id": product.id},
            statusCode=201
        )
    except Exception as e:
        db.rollback()
        raise HTTPException(status_code=500, detail=str(e))