import datetime
import subprocess
import os

from google.auth.transport.requests import Request
from google.oauth2.credentials import Credentials
from google_auth_oauthlib.flow import InstalledAppFlow
from googleapiclient.discovery import build
from googleapiclient.errors import HttpError

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


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
    if os.path.exists("token.json"):
        creds = Credentials.from_authorized_user_file("token.json", SCOPES)
    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)
        with open("token.json", "w") as token:
            token.write(creds.to_json())

    try:
        service = build("calendar", "v3", credentials=creds)

        # Call the Calendar API
        now = datetime.datetime.utcnow().isoformat() + "Z"
        # time_change = datetime.timedelta(minutes=5)
        # print(now)
        # now2 = now + time_change
        # now2 = now2.isoformat() + "Z"
        # print(now2)
        events_result = (
            service.events()
            .list(
                calendarId="primary",
                timeMin=now,
                maxResults=4,
                singleEvents=True,
                orderBy="startTime",
            )
            .execute()
        )
        events = events_result.get("items", [])

        if not events:
            print("No upcoming events found.")
            return

        # Prints the start and name of the next 10 events
        for event in events:
            # Parse the datetime first
            start = event["start"].get("dateTime", event["start"].get("date"))[:-6]
            # start = start[:-6]
            start_time = datetime.datetime.strptime(start, "%Y-%m-%dT%H:%M:%S")
            now = datetime.datetime.now()

            difference = start_time - now
            seconds_in_day = 24 * 60 * 60
            time_left_in_min_sec = divmod(difference.days * seconds_in_day + difference.seconds, 60)

            # Then parse the name to attribute it to a client.
            client_name = event["summary"]
            # if time_left_in_min_sec[0] < 1:
            #     print("Upcoming Meeting")
            # else:
            #     print("Nothing new")
            # print(start, event["organizer"]["email"])
            if event["eventType"] != "outOfOffice":
                # print(event["organizer"]["email"])
                for items in event["attendees"]:
                    print(items["email"])

    except HttpError as error:
        print(f"An error occurred: {error}")


if __name__ == "__main__":
    main()