import asyncio
from data_access import Listing
from tqdm.asyncio import tqdm
import multiprocessing


async def detect_floorplan(listing_paths: list[str]):
    listings = Listing.get_all_listings(listing_paths)
    cpu_count = multiprocessing.cpu_count() // 4
    semaphore = asyncio.Semaphore(cpu_count)

    await tqdm.gather(*[
        _detect_floorplan_with_semaphore(listing, semaphore)
        for listing in listings
    ])


async def _detect_floorplan_with_semaphore(listing: Listing,
                                           semaphore: asyncio.Semaphore):
    async with semaphore:
        return await listing.calculate_sqm_ocr(recalculate=False)