from django.core.management.base import BaseCommand
from tqdm import tqdm
from fwd_api.models import SubscriptionRequestFile, SubscriptionRequest
from fwd_api.exception.exceptions import InvalidException
from fwd_api.utils.accuracy import predict_result_to_ready
import traceback
import copy
from django.utils import timezone

KEY = "imei_number"
VALUE = "None"
EXPECTED_VALUE = []

class Command(BaseCommand):
    help = 'Refactor database for image level'

    def add_arguments(self, parser):
        # Add your command-line arguments here
        parser.add_argument('start', type=str, help='start date, sample: 2023-01-02T00:00:00+0700')
        parser.add_argument('end', type=str, help='end date, sample: 2023-01-03T00:00:00+0700')

    def process_request(self, request, result):
        if len(request.request_id.split(".")[0].split("_")) < 2:
            return
        images = SubscriptionRequestFile.objects.filter(request=request)
        if not request.predict_result:
            # self.stdout.write(self.style.WARNING(f"Key predict_result not found in {request.request_id}"))
            return
        if request.predict_result.get("status", 200) != 200:
            # self.stdout.write(self.style.WARNING(f"Not a sucess request {request.request_id}"))
            return
        
        for i, image in enumerate(images):
            try:
                if isinstance(image.reviewed_result, dict):
                    # print(f"[INFO]: dict ... {request.predict_result}")
                    _imeis = image.reviewed_result.get(KEY, [])
                    if _imeis is None:
                        continue
                    if len(_imeis) >= 1:
                        sub_imei = _imeis[0]
                        if sub_imei is None or VALUE in sub_imei or isinstance(sub_imei, list):
                            expected_value = copy.deepcopy(str(image.reviewed_result[KEY]))
                            expected_value = expected_value.replace("[", "").replace("]", "").replace(VALUE, "").replace('"', '').replace("'", "")
                            if expected_value == "":
                                expected_value = []
                            else:
                                expected_value = [expected_value]
                            image.reviewed_result[KEY] = expected_value
                            image.save()
                            result['total'] += 1
                            print(f"{image.reviewed_result[KEY]} -> {expected_value}")
            except Exception as e:
                self.stdout.write(self.style.ERROR(f"Request: {request.request_id} failed with {e}"))
                print(traceback.format_exc())
                result['failed'] += 1 
                continue

    def handle(self, *args, **options):
        start = options['start']
        end = options['end']
        result = {'total':0,
                  'failed':0}
        if start or end:
            try:
                start_date = timezone.datetime.strptime(start, '%Y-%m-%dT%H:%M:%S%z') # We care only about day precision only
                end_date = timezone.datetime.strptime(end, '%Y-%m-%dT%H:%M:%S%z')
            except Exception as e:
                print(f"[INFO]: start: {start}")
                print(f"[INFO]: end: {end}")
                raise InvalidException(excArgs="Date format")
            subcription_iter = SubscriptionRequest.objects.filter(created_at__range=(start_date, end_date))
        else:
            subcription_iter = SubscriptionRequest.objects.all()

        # file = open("modified.txt", "w")
        for request in tqdm(subcription_iter.iterator()):
            self.process_request(request, result)
        # file.close()
        self.stdout.write(self.style.SUCCESS('Sample Django management command executed successfully! total/failed: {}/{}'.format(result['total'], result['failed'])))