"""Point data models."""

from dataclasses import dataclass


@dataclass(frozen=True)
class ModbusPoint:
    point_id: str
    name: str
    data_type: str
    slave_id: int
    address: int

    @property
    def register_count(self) -> int:
        return 1 if self.data_type == "int16" else 2

    @property
    def end_address(self) -> int:
        return self.address + self.register_count - 1