import io
import logging
import time

from PIL import Image
from fastapi import APIRouter
from matplotlib import pyplot as plt

from app.core.config import SIMILAR_MATCH_DRAW
from app.schemas.similar_match import SimilarMatchMItem
from app.service.similar_match.service import SimilarMatch
from app.service.utils.decorator import RunTime

logger = logging.getLogger()
router = APIRouter()


@RunTime
@router.post("/similar_match")
def similar_match(request_item: SimilarMatchMItem):
    try:
        if request_item.result_number <= 0:
            raise KeyError("results number can't be less than 0")
        service = SimilarMatch(request_item)
        search_response = service.match_features()
        response_data = []
        for response in search_response[0]:
            response_data.append(response['entity'])

        if SIMILAR_MATCH_DRAW:
            resource_image = service.load_image(request_item.image_path)
            similar_diagram_list = [service.load_image(image_url['image_path']) for image_url in response_data]
            resource_image.save("similar_match/3/resource.png")
            for i, image in enumerate(similar_diagram_list):
                image.save(f"similar_match/3/{i}.png")
        return {"message": "ok", "data": response_data}
    except KeyError as e:
        logger.warning(str(e))
        return {"message": "results number can't be less than 0", "data": []}