package gcalclient

import (
	"time"

	"google.golang.org/api/calendar/v3"
)

const pageSize = 200
const notificationsUrl1 = "https://bigasterisk.com"
const notificationsUrl2 = "/gcalendarwatch/notifications"

func rangedEventsCall(srv *calendar.Service, calGoogleId string, initialFillStart, initialFillEnd time.Time, pageToken string) *calendar.EventsListCall {
	return srv.Events.List(calGoogleId).
		ShowDeleted(false).
		SingleEvents(true).
		TimeMin(initialFillStart.Format(time.RFC3339)).
		TimeMax(initialFillEnd.Format(time.RFC3339)).
		MaxResults(pageSize).
		PageToken(pageToken)
}

func syncEventsCall(srv *calendar.Service, calGoogleId string, syncToken, pageToken string) *calendar.EventsListCall {
	return srv.Events.List(calGoogleId).
		ShowDeleted(true).
		SingleEvents(true).
		MaxResults(pageSize).
		PageToken(pageToken).
		SyncToken(syncToken)
}

func watchEventsCall(srv *calendar.Service, calGoogleId string, expire time.Duration, watchId string) *calendar.EventsWatchCall {

	return srv.Events.Watch(calGoogleId, &calendar.Channel{
		Address:    notificationsUrl1 + notificationsUrl2,
		Expiration: (time.Now().Add(expire)).UnixMilli(),
		Id:         watchId,
		Type:       "web_hook",
	})
}