"""Inventory listing and scan API for the review UI."""

from __future__ import annotations

from fastapi import APIRouter, Query, Request
from fastapi.responses import JSONResponse

from photo_pipeline.services.inventory import InventoryService

router = APIRouter(tags=["inventory"])


@router.post("/inventory/scan")
def scan(request: Request):
    """Discover and reconcile the configured library roots (synchronous in Phase A;
    a durable job in Phase B)."""
    config = request.app.state.config
    if not config.library_roots:
        return JSONResponse(
            status_code=409,
            content={"error": {"code": "no_roots", "message": "no library_roots configured"}},
        )
    result = InventoryService(request.app.state.session_factory).scan(config.library_roots)
    return {"counts": result.counts, "total": len(result.asset_ids)}


@router.get("/inventory/assets")
def list_assets(
    request: Request,
    limit: int = Query(50, ge=1, le=200),
    offset: int = Query(0, ge=0),
    availability: str | None = None,
    q: str | None = None,
) -> dict:
    service = InventoryService(request.app.state.session_factory)
    return service.list_assets(limit=limit, offset=offset, availability=availability, query=q)