from __future__ import annotations

from decimal import Decimal

from fastapi import FastAPI, HTTPException
from pydantic import BaseModel, ConfigDict

from app.matcher import CatalogMatcher


class CatalogItemInfo(BaseModel):
    model_config = ConfigDict(extra="forbid")

    sku: str
    name: str
    unit: str
    price: Decimal


def register_test_info_route(
    application: FastAPI, matcher: CatalogMatcher
) -> None:
    items_by_sku = {item.sku: item for item in matcher.items}

    @application.get(
        "/get_info_by/{sku}",
        response_model=CatalogItemInfo,
        include_in_schema=False,
    )
    def get_info_by(sku: str) -> CatalogItemInfo:
        item = items_by_sku.get(sku.strip().upper())
        if item is None:
            raise HTTPException(status_code=404, detail="SKU not found")
        return CatalogItemInfo(
            sku=item.sku,
            name=item.name,
            unit=item.unit,
            price=item.price,
        )