from __future__ import annotations

import os
from pathlib import Path

from fastapi import FastAPI

from app.catalog import load_raw_catalog
from app.models import MatchRequest, MatchResponse, MatchResult

BASE_DIR = Path(__file__).resolve().parent.parent
CATALOG_PATH = Path(os.environ.get("CATALOG_PATH", BASE_DIR / "catalog_excel.csv"))
RAW_CATALOG = load_raw_catalog(CATALOG_PATH)

app = FastAPI(title="Offline catalog matcher", version="0.1.0")


@app.get("/health")
def health() -> dict[str, object]:
    return {"status": "ok", "catalog_items": len(RAW_CATALOG)}


@app.post("/match", response_model=MatchResponse)
def match(request: MatchRequest) -> MatchResponse:
    return MatchResponse(
        results=[
            MatchResult(message=message, status="not_found", candidates=[])
            for message in request.messages
        ]
    )