from datetime import datetime, timedelta, timezone


class Booking:
    def __init__(
        self,
        bookingId,
        startDate,
        endDate,
        bookableProductId,
        linkedProductId,
        isAvailable=False,
        **kwargs,
    ):
        self.booking_id = bookingId
        self.start = datetime.strptime(startDate, "%Y-%m-%dT%H:%M:%S.%fZ").replace(
            tzinfo=timezone.utc
        )
        self.end = datetime.strptime(endDate, "%Y-%m-%dT%H:%M:%S.%fZ").replace(
            tzinfo=timezone.utc
        )
        self.bookable_product_id = bookableProductId
        self.linked_product_id = linkedProductId
        self.available = isAvailable

        self.booking_dict = kwargs

    @property
    def start_stamp(self):
        ## Get string representation of the timestamp in GMT +2 with only Day of week and month, hour and minute
        gmt_plus_2 = timezone(timedelta(hours=2))
        return self.start.astimezone(gmt_plus_2).strftime("%A %d %B %H:%M")

    @property
    def end_stamp(self):
        gmt_plus_2 = timezone(timedelta(hours=2))
        return self.start.astimezone(gmt_plus_2).strftime("%A %d %B %H:%M")

    def __str__(self):
        return (
            f"Booking(booking_id={self.booking_id}, start={self.start}, end={self.end})"
        )

    def __eq__(self, other):
        if isinstance(other, Booking):
            return (
                self.booking_id == other.booking_id
                and self.start == other.start
                and self.end == other.end
            )
        return False

    def __repr__(self) -> str:
        return self.__str__()

    def __hash__(self):
        return hash((self.booking_id, self.start, self.end))

    def time_left_to_booking(self, current_date):
        current_datetime = datetime.strptime(current_date, "%Y-%m-%dT%H:%M:%S.%fZ")
        time_left = self.start - current_datetime
        if time_left.total_seconds() > 0:
            return time_left
        else:
            return timedelta(0)  # No time left if the booking has already started