from datetime import datetime, timedelta
import json
import numpy as np
from pathlib import Path
from EnumParkingStatus import EnumParkingStatus
import os
from AbstractFinalFileGenerator import AbstractFinalFileGenerator

class PLdsFinalFileGenerator(AbstractFinalFileGenerator):
    def __init__(self, pathRootDataset, loadOriginalSpaces = False):
        super().__init__(pathRootDataset, loadOriginalSpaces)

        self.get_basename = False

    def _buildOriginalFileReader(self):
        return list()

    def _loadJsonsNewAnnotations(self):
        pathJsons = Path(self.pathRootDataset).rglob('*.json')
        pathJsons = [x for x in pathJsons if x.is_file()]
        for path in pathJsons:
            with open(path, 'r') as file:
                json_dict = json.load(file)
                # key = '/'.join(str(path).split('/')[-2:]).split('/')[0]
                # splitkey = key.split('-')
                # date = datetime(int(splitkey[0]),int(splitkey[1]),int(splitkey[2]))
                # while date in self.dictNewAnnots:
                #     date += timedelta(minutes=15)

                img_id = int(str(path).split('_')[-1].split('.')[0])
                self.dictNewAnnots[img_id] = json_dict
                self.orderedDictKeys.append(img_id)
        self.orderedDictKeys.sort()
        for x in self.orderedDictKeys:
            print(x)

    def _getDateFromFileName(self, fileName):
        strDate = fileName[:]
        strDate = strDate.split('/')[-2]
        splitDate = strDate.split('-')
        date = datetime(int(splitDate[0]),int(splitDate[1]),int(splitDate[2]))
        return date

    def _loadOriginalParkingSpacesAnnotations(self, imgFileName, imgId, annotations_start_id):
        listDicts = []
        parkingSpaces, statuses = self.originalFileReader.readAllParkingSpacesInfo(imgFileName)

        for i in range(len(statuses)):
            dict = self._createDefaultDictParkingSpace(imgId,annotations_start_id)
            spaces = []
            for coord in parkingSpaces[i]:
                spaces.extend(coord)
            dict["segmentation"] = spaces
            dict["parking_status_id"] = statuses[i]

            annotations_start_id += 1
            listDicts.append(dict)

        return listDicts

    def _loadNewParkingSpaces(self, imgFileName, imgId, annotations_start_id):
        # fileDate = self._getDateFromFileName(imgFileName)
        img_id = int(imgFileName.split('_')[-1].split('.')[0])
        listDicts = []

        if img_id not in self.orderedDictKeys:

            dict_keys = sorted(list(self.dictNewAnnots.keys()))
            annotated_img_id = dict_keys.pop(-1)

            while dict_keys and annotated_img_id > img_id:
                annotated_img_id = dict_keys.pop(-1)

            img_id = annotated_img_id

        if img_id in self.orderedDictKeys:
            spaces = self.dictNewAnnots[img_id]
            for space in spaces:
                resh = np.reshape(space, -1).tolist()
                dict = self._createDefaultDictParkingSpace(imgId, annotations_start_id)
                dict["segmentation"] = resh
                dict["parking_status_id"] = EnumParkingStatus.UNKNOWN.value

                annotations_start_id += 1
                listDicts.append(dict)

        return listDicts