import logging
import json
import base64
import dropbox
import pymongo

from app_be.views.mongo_db import MongoManager

from django.http import JsonResponse
from django.http import HttpRequest
from django.conf import settings

from rest_framework.decorators import api_view

logger = logging.getLogger(__name__)


class TestApiClass:
    @staticmethod
    @api_view(['GET'])
    def test_api(request):
        logger.debug('Test api call: {}'.format(request))
        return JsonResponse({'Result': 'success'}, safe=False)


class ImageEndpoint:
    @staticmethod
    @api_view(['GET'])
    def image_api_get_all(request):
        logger.debug('Image GET all call: {}'.format(request))
        print(request)

        instance = MongoManager.getInstance()

        db = instance.AIC
        col = db.metadata

        try:
            for resp in col.find():
                print(resp)

        except:
            print("Could not find Metadata")

        return JsonResponse({'Result': 'success1'}, safe=False)


    @staticmethod
    @api_view(['GET'])
    def image_api_get_single(request, id):
        logger.debug('Image GET single call: {}'.format(request))

        instance = MongoManager.getInstance()

        db = instance.AIC
        col = db.metadata

        try:
            resp = col.find({"filename": id+".jpg"})
            print(resp[0]);
        except:
            print("Could not find Metadata")

        return JsonResponse({'Result': 'success1', 'id': id}, safe=False)

    @staticmethod
    @api_view(['POST'])
    def image_api_post(request: HttpRequest):
        logger.debug('Image POST call: {}'.format(request))
        payload = json.loads(request.body.decode('utf-8'))
        b64encoded_image = payload['image_data']
        filename = payload['id']
        metadata = payload['metadata']

        instance = MongoManager.getInstance()

        db = instance.AIC
        col = db.metadata


        try:
            resp = col.insert_one(metadata)
        except:
            print("Could not insert Metadata")

        decoded_image = base64.b64decode(b64encoded_image)
        dbx = dropbox.Dropbox(settings.DROPBOX_OAUTH2_ACCESS_TOKEN)
        dbx.files_upload(decoded_image, '/Apps/AIC Federated Storage Infrastructure/' + filename)
        return JsonResponse({'Result': 'success2', 'received file': filename},
                            safe=False)  # 'metadata': metadata response beinhaltet ObjectId welche nicht serializable is?