from __future__ import print_function
import datetime
import pickle
import os.path
from googleapiclient.discovery import build
from google_auth_oauthlib.flow import InstalledAppFlow
from google.auth.transport.requests import Request

# If modifying these scopes, delete the file token.pickle.
# SCOPES = ['https://www.googleapis.com/auth/calendar.readonly']
SCOPES = ['https://www.googleapis.com/auth/calendar', 'https://www.googleapis.com/auth/calendar.events']

CALENDAR_ID = 'tifa8u2innqqb65ik6a8g5iak8@group.calendar.google.com'


def main():
    """Shows basic usage of the Google Calendar API.
    Prints the start and name of the next 10 events on the user's calendar.
    """
    creds = None
    # The file token.pickle 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.pickle'):
        with open('token.pickle', 'rb') as token:
            creds = pickle.load(token)
    # 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.pickle', 'wb') as token:
            pickle.dump(creds, token)

    service = build('calendar', 'v3', credentials=creds)

    # Call the Calendar API
    now = datetime.datetime.utcnow().isoformat() + 'Z'  # 'Z' indicates UTC time
    # print('Getting the upcoming 10 events')
    # events_result = service.events().list(calendarId='tifa8u2innqqb65ik6a8g5iak8@group.oe_calendar.google.com', timeMin=now,
    #                                     maxResults=10, singleEvents=True,
    #                                     orderBy='startTime').execute()
    #
    # service.events()
    # events = events_result.get('items', [])

    # if not events:
    #     print('No upcoming events found.')
    # for event in events:
    #     start = event['start'].get('dateTime', event['start'].get('date'))
    #     print(start, event['summary'])
    #

    event = {
        'summary': '테스트달력',
        'location': '오병이어교회',
        'description': '테스트 입력',
        'start': {
            'dateTime': '2020-05-28T09:00:00',
            'timeZone': 'Asia/Seoul',
        },
        'end': {
            'dateTime': '2020-05-29T04:30:00',
            'timeZone': 'Asia/Seoul',
        },
        'recurrence': [
            'RRULE:FREQ=DAILY;COUNT=2'
        ],
        'attendees': [
            {'email': 'gusfot@gmail.com'},
            {'email': 'gusfot.calendar@gmail.com'},
        ],
        'reminders': {
            'useDefault': False,
            'overrides': [
                {'method': 'email', 'minutes': 24 * 60},
                {'method': 'popup', 'minutes': 10},
            ],
        },
    }

    # event = service.events().insert(calendarId='primary', body=event).execute()
    event = service.events().insert(calendarId='tifa8u2innqqb65ik6a8g5iak8@group.calendar.google.com',
                                    body=event).execute()
    print
    'Event created: %s' % (event.get('htmlLink'))


def regist_schedule(schedule_date, who, phone_number):
    """Shows basic usage of the Google Calendar API.
    Prints the start and name of the next 10 events on the user's calendar.
    """
    creds = None
    # The file token.pickle 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.pickle'):
        with open('token.pickle', 'rb') as token:
            creds = pickle.load(token)
    # 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.pickle', 'wb') as token:
            pickle.dump(creds, token)

    service = build('calendar', 'v3', credentials=creds)

    # Call the Calendar API
    now = datetime.datetime.utcnow().isoformat() + 'Z'  # 'Z' indicates UTC time

    # schedule_date = '2020-05-28';
    # who = '김현래안수집사님'
    event = {
        'summary': '[' + who + ']새벽차량운행',
        'location': '오병이어교회',
        'description': who + ', ' + phone_number,
        'start': {
            'dateTime': schedule_date + 'T04:30:00',
            'timeZone': 'Asia/Seoul',
        },
        'end': {
            'dateTime': schedule_date + 'T06:30:00',
            'timeZone': 'Asia/Seoul',
        },
        'recurrence': [
            'RRULE:FREQ=DAILY;COUNT=1'
        ],
        'attendees': [
            # {'email': 'gusfot@gmail.com'},
            # {'email': 'gusfot.calendar@gmail.com'},
        ],
        'reminders': {
            'useDefault': False,
            'overrides': [
                # {'method': 'email', 'minutes': 24 * 60},
                {'method': 'popup', 'minutes': 30},
                {'method': 'popup', 'minutes': 60 * 18},
                {'method': 'popup', 'minutes': 60 * 24 * 2},
            ],
        },
    }

    # event = service.events().insert(calendarId='primary', body=event).execute()
    event = service.events().insert(calendarId=CALENDAR_ID,
                                    body=event).execute()
    print
    'Event created: %s' % (event.get('htmlLink'))


if __name__ == '__main__':
    # main()
    regist_schedule('2020-05-29', '김현래안수집사님', '010-6696-5116')
