from __future__ import annotations

from dataclasses import dataclass
from pathlib import Path

from bom_assistant.session.models import BomRow
from bom_assistant.suppliers.category_resolver import resolve_category
from bom_assistant.suppliers.lcsc.categories import get_subcategories_for

_CACHE_PATH = Path(__file__).parent / "category_cache.json"


@dataclass
class LcscCategory:
    name: str
    id: int

    def __repr__(self) -> str:
        return f"LcscCategory(name={self.name!r}, id={self.id})"


def resolve(row: BomRow) -> list[LcscCategory]:
    """Map a BomRow to up to 3 LCSC subcategories ranked by confidence."""
    results = resolve_category(
        row,
        get_subcategories_for(row.category),
        supplier="lcsc",
        cache_path=_CACHE_PATH,
    )
    return [LcscCategory(r.name, r.id) for r in results]