#!/usr/bin/env python
# coding: utf-8

# In[13]:


from __future__ import print_function
import os.path
from googleapiclient.discovery import build
from google_auth_oauthlib.flow import InstalledAppFlow
from google.auth.transport.requests import Request
from google.oauth2.credentials import Credentials
from google.oauth2 import service_account
import argparse
import requests
import pprint
import json
import calendar
import time
import os
import shutil
from distutils.util import strtobool

# If modifying these scopes, delete the file token.json.
SCOPES = ['https://www.googleapis.com/auth/presentations.readonly',
          'https://www.googleapis.com/auth/drive.metadata.readonly']

def main(PRESENTATION_ID, save_to_local):
    """Shows basic usage of the Slides API.
    Prints the number of slides and elments in a sample presentation.
    """
#     # For personal account test
#     creds = None
#     # The file token.json stores the user's access and refresh tokens, and is
#     # created automatically when the authorization flow completes for the first
#     # time.
#     if os.path.exists('token.json'):
#         creds = Credentials.from_authorized_user_file('token.json', SCOPES)
#     # If there are no (valid) credentials available, let the user log in.
#     if not creds or not creds.valid:
#         if creds and creds.expired and creds.refresh_token:
#             creds.refresh(Request())
#         else:
#             flow = InstalledAppFlow.from_client_secrets_file(
#                 'credentials.json', SCOPES)
#             creds = flow.run_local_server(port=0)
#         # Save the credentials for the next run
#         with open('token.json', 'w') as token:
#             token.write(creds.to_json())
    credentials = service_account.Credentials.from_service_account_file('spread2.json')
    scoped_credentials = credentials.with_scopes(SCOPES)
    creds = credentials

    memo_list=[]
    img_list=[]

    def save_to_img(name, url): 
        with open(name, 'wb') as handle:
            response = requests.get(url, stream=True)

            if not response.ok:
                print(response)

            for block in response.iter_content(1024):
                if not block:
                    break

                handle.write(block)
        print('\t----> save to',name)
    
    
    def slide_info(PRESENTATION_ID):
        service = build('slides', 'v1', credentials=creds)
        # Call the Slides API
        presentation = service.presentations().get(
            presentationId=PRESENTATION_ID).execute()
        slides = presentation.get('slides')
        
        # Create the directory
        if save_to_local:
            dir = presentation['title']
            if os.path.exists(dir):
                shutil.rmtree(dir)
            os.makedirs(dir)
        
        
        print('The presentation contains {} slides:'.format(len(slides)))
        for i, slide in enumerate(slides):
            print('-'*80)
            print('Page #', i, ' ',slide['objectId'])

            # Check if the memo exists
            if 'text' in slide['slideProperties']['notesPage']['pageElements'][1]['shape'].keys():
                print('Memo:',end='')
                
                memo = slide['slideProperties']['notesPage']['pageElements'][1]['shape']['text']['textElements'][1]['textRun']['content']
                pprint.pprint(memo)
                memo_list.append(memo)
                # save to local txt file
                if save_to_local:
                    with open('./'+dir+'/'+presentation['title']+'_'+str(i+1)+'.txt', "w") as text_file:
                        text_file.write(memo)
                    print('\t----> save to',presentation['title']+'_'+str(i+1)+'.txt')
            else:
                memo_list.append("")
            # Convert the content of the presentation to png
            thumbnail = service.presentations().pages().getThumbnail(presentationId=PRESENTATION_ID, pageObjectId=slide['objectId']).execute()
            pprint.pprint(thumbnail)
            img_list.append(thumbnail['contentUrl'])
            
            # save to local img file
            if save_to_local:
                save_to_img('./'+dir+'/'+presentation['title']+'_'+str(i+1)+'.png',thumbnail['contentUrl'])
            
            
        # data
        my_data = { "name": presentation['title'], "text_content": memo_list, "image_urls": img_list, "avatar": "7", "client_id": calendar.timegm(time.gmtime()) }
        
        # headers
        my_headers = {'accept': 'application/json',
                      'Content-Type': 'application/json; charset=UTF-8'}
        
        # Serializing json   
        json_object = json.dumps(my_data, indent = 4)
        
        # post
        r = requests.post('http://www.choozmo.com:8888/make_anchor_video_v2', data = json_object, headers = my_headers)
        print(r)
        

    slide_info(PRESENTATION_ID)
    
    
#     # Find all presentations in the folder
#     service = build('drive', 'v2', credentials=creds)
#     children = service.children().list(
#         q="mimeType='application/vnd.google-apps.presentation'",
#         folderId=folderId).execute()

#     for child in children.get('items', []):
#         print('File Id: %s' % child['id'])
#         slide_info(child['id'])
#         print('='*80)
        
    
if __name__ == '__main__':
    parser = argparse.ArgumentParser()
    parser.add_argument('--presentation_id', required=True)
    parser.add_argument('--save_to_local', required=False, default=True)
    args = parser.parse_args()
    main(str(args.presentation_id), strtobool(args.save_to_local))
    # for test
#     main('10KhVZes8N6ibHsrM8ZU2NuMDsl8AWk_PSdrtvdXr3Kw', True)