event_types = "event_types"
_EVENT_IN_TYPES = vol.Schema(
    {
        vol.Exclusive(EVENT_IN_HOURS, event_types): cv.positive_int,
        vol.Exclusive(EVENT_IN_DAYS, event_types): cv.positive_int,
        vol.Exclusive(EVENT_IN_WEEKS, event_types): cv.positive_int,
    }
)

start = "start"
end = "end"

ADD_EVENT_SERVICE_SCHEMA = vol.Schema(
    {
        vol.Required(EVENT_CALENDAR_ID): cv.string,
        vol.Required(EVENT_SUMMARY): cv.string,
        vol.Optional(EVENT_DESCRIPTION, default=""): cv.string,
        vol.Exclusive(EVENT_START_DATE, start): cv.string,
        vol.Exclusive(EVENT_END_DATE, end): cv.string,
        vol.Exclusive(EVENT_START_DATETIME, start): cv.string,
        vol.Exclusive(EVENT_END_DATETIME, end): cv.string,
        vol.Exclusive(EVENT_IN, start, end): _EVENT_IN_TYPES
    }
)