Midea/midea_ac_lan/midea/devices/e3/message.py

from ...core.message import (
    MessageType,
    MessageRequest,
    MessageResponse,
    MessageBody,
)


NEW_PROTOCOL_PARAMS = {
    "zero_cold_water": 0x03,
    # "zero_cold_master": 0x12,
    "zero_cold_pulse": 0x04,
    "smart_volume": 0x07,
    "target_temperature": 0x08
}


class MessageE3Base(MessageRequest):
    def __init__(self, device_protocol_version, message_type, body_type):
        super().__init__(
            device_protocol_version=device_protocol_version,
            device_type=0xE3,
            message_type=message_type,
            body_type=body_type
        )

    @property
    def _body(self):
        raise NotImplementedError


class MessageQuery(MessageE3Base):
    def __init__(self, device_protocol_version):
        super().__init__(
            device_protocol_version=device_protocol_version,
            message_type=MessageType.query,
            body_type=0x01)

    @property
    def _body(self):
        return bytearray([0x01])


class MessagePower(MessageE3Base):
    def __init__(self, device_protocol_version):
        super().__init__(
            device_protocol_version=device_protocol_version,
            message_type=MessageType.set,
            body_type=0x02)
        self.power = False

    @property
    def _body(self):
        if self.power:
            self.body_type = 0x01
        else:
            self.body_type = 0x02
        return bytearray([0x01])


class MessageSet(MessageE3Base):
    def __init__(self, device_protocol_version):
        super().__init__(
            device_protocol_version=device_protocol_version,
            message_type=MessageType.set,
            body_type=0x04)

        self.target_temperature = 0
        self.zero_cold_water = False
        self.bathtub_volume = 0
        self.protection = False
        self.zero_cold_pulse = False
        self.smart_volume = False

    @property
    def _body(self):
        # Byte 2 zero_cold_water mode
        zero_cold_water = 0x01 if self.zero_cold_water else 0x00
        # Byte 3
        protection = 0x08 if self.protection else 0x00
        zero_cold_pulse = 0x10 if self.zero_cold_pulse else 0x00
        smart_volume = 0x20 if self.smart_volume else 0x00
        # Byte 5 target_temperature
        target_temperature = self.target_temperature & 0xFF

        return bytearray([
            0x01,
            zero_cold_water | 0x02,
            protection | zero_cold_pulse | smart_volume,
            0x00,
            target_temperature,
            0x00, 0x00, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00,
            0x00,

        ])


class MessageNewProtocolSet(MessageE3Base):
    def __init__(self, device_protocol_version):
        super().__init__(
            device_protocol_version=device_protocol_version,
            message_type=MessageType.set,
            body_type=0x14)
        self.key = None
        self.value = None

    @property
    def _body(self):
        key = NEW_PROTOCOL_PARAMS.get(self.key)
        if self.key == "target_temperature":
            value = self.value
        else:
            value = 0x01 if self.value else 0x00
        return bytearray([
            key, value,
            0x00, 0x00, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00,
            0x00
        ])


class E3GeneralMessageBody(MessageBody):
    def __init__(self, body):
        super().__init__(body)
        self.power = (body[2] & 0x01) > 0
        self.burning_state = (body[2] & 0x02) > 0
        self.zero_cold_water = (body[2] & 0x04) > 0
        self.current_temperature = body[5]
        self.target_temperature = body[6]
        self.protection = (body[8] & 0x08) > 0
        self.zero_cold_pulse = (body[20] & 0x01) > 0 if len(body) > 20 else False
        self.smart_volume = (body[20] & 0x02) > 0 if len(body) > 20 else False


class MessageE3Response(MessageResponse):
    def __init__(self, message):
        super().__init__(message)
        if (self.message_type == MessageType.query and self.body_type == 0x01) or \
                (self.message_type == MessageType.set and self.body_type in [0x01, 0x02, 0x04, 0x14]) or \
                (self.message_type == MessageType.notify1 and self.body_type in [0x00, 0x01]):
            self.set_body(E3GeneralMessageBody(super().body))
        self.set_attr()