text: """This platform enables the possibility to control a MQTT alarm."""
  import logging
  import re
  
  import voluptuous as vol
  
  from openpeerpower.components import mqtt
  import openpeerpower.components.alarm_control_panel as alarm
  from openpeerpower.components.alarm_control_panel.const import (
      SUPPORT_ALARM_ARM_AWAY,
      SUPPORT_ALARM_ARM_HOME,
      SUPPORT_ALARM_ARM_NIGHT,
  )
  from openpeerpower.const import (
      CONF_CODE,
      CONF_DEVICE,
      CONF_NAME,
      CONF_VALUE_TEMPLATE,
      STATE_ALARM_ARMED_AWAY,
      STATE_ALARM_ARMED_HOME,
      STATE_ALARM_ARMED_NIGHT,
      STATE_ALARM_DISARMED,
      STATE_ALARM_PENDING,
      STATE_ALARM_TRIGGERED,
  )
  from openpeerpower.core import callback
  import openpeerpower.helpers.config_validation as cv
  from openpeerpower.helpers.dispatcher import async_dispatcher_connect
  from openpeerpower.helpers.typing import ConfigType, OpenPeerPowerType
  
  from . import (
      ATTR_DISCOVERY_HASH,
      CONF_COMMAND_TOPIC,
      CONF_QOS,
      CONF_RETAIN,
      CONF_STATE_TOPIC,
      CONF_UNIQUE_ID,
      MqttAttributes,
      MqttAvailability,
      MqttDiscoveryUpdate,
      MqttEntityDeviceInfo,
      subscription,
  )
  from .discovery import MQTT_DISCOVERY_NEW, clear_discovery_hash
  
  _LOGGER = logging.getLogger(__name__)
  
  CONF_CODE_ARM_REQUIRED = "code_arm_required"
  CONF_CODE_DISARM_REQUIRED = "code_disarm_required"
  CONF_PAYLOAD_DISARM = "payload_disarm"
  CONF_PAYLOAD_ARM_HOME = "payload_arm_home"
  CONF_PAYLOAD_ARM_AWAY = "payload_arm_away"
  CONF_PAYLOAD_ARM_NIGHT = "payload_arm_night"
  CONF_COMMAND_TEMPLATE = "command_template"
  
  DEFAULT_COMMAND_TEMPLATE = "{{action}}"
  DEFAULT_ARM_NIGHT = "ARM_NIGHT"
  DEFAULT_ARM_AWAY = "ARM_AWAY"
  DEFAULT_ARM_HOME = "ARM_HOME"
  DEFAULT_DISARM = "DISARM"
  DEFAULT_NAME = "MQTT Alarm"
  PLATFORM_SCHEMA = (
      mqtt.MQTT_BASE_PLATFORM_SCHEMA.extend(
          {
              vol.Optional(CONF_CODE): cv.string,
              vol.Optional(CONF_CODE_ARM_REQUIRED, default=True): cv.boolean,
              vol.Optional(CONF_CODE_DISARM_REQUIRED, default=True): cv.boolean,
              vol.Optional(
                  CONF_COMMAND_TEMPLATE, default=DEFAULT_COMMAND_TEMPLATE
              ): cv.template,
              vol.Required(CONF_COMMAND_TOPIC): mqtt.valid_publish_topic,
              vol.Optional(CONF_DEVICE): mqtt.MQTT_ENTITY_DEVICE_INFO_SCHEMA,
              vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
              vol.Optional(CONF_PAYLOAD_ARM_AWAY, default=DEFAULT_ARM_AWAY): cv.string,
              vol.Optional(CONF_PAYLOAD_ARM_HOME, default=DEFAULT_ARM_HOME): cv.string,
              vol.Optional(CONF_PAYLOAD_ARM_NIGHT, default=DEFAULT_ARM_NIGHT): cv.string,
              vol.Optional(CONF_PAYLOAD_DISARM, default=DEFAULT_DISARM): cv.string,
              vol.Optional(CONF_RETAIN, default=mqtt.DEFAULT_RETAIN): cv.boolean,
              vol.Required(CONF_STATE_TOPIC): mqtt.valid_subscribe_topic,
              vol.Optional(CONF_UNIQUE_ID): cv.string,
              vol.Optional(CONF_VALUE_TEMPLATE): cv.template,
          }
      )
      .extend(mqtt.MQTT_AVAILABILITY_SCHEMA.schema)
      .extend(mqtt.MQTT_JSON_ATTRS_SCHEMA.schema)
  )
  
  
  async def async_setup_platform(
      opp: OpenPeerPowerType, config: ConfigType, async_add_entities, discovery_info=None
  ):
      """Set up MQTT alarm control panel through configuration.yaml."""
      await _async_setup_entity(config, async_add_entities)
  
  
  async def async_setup_entry(opp, config_entry, async_add_entities):
      """Set up MQTT alarm control panel dynamically through MQTT discovery."""
  
      async def async_discover(discovery_payload):
          """Discover and add an MQTT alarm control panel."""
          try:
              discovery_hash = discovery_payload.pop(ATTR_DISCOVERY_HASH)
              config = PLATFORM_SCHEMA(discovery_payload)
              await _async_setup_entity(
                  config, async_add_entities, config_entry, discovery_hash
              )
          except Exception:
              if discovery_hash:
                  clear_discovery_hash(opp, discovery_hash)
              raise
  
      async_dispatcher_connect(
          opp, MQTT_DISCOVERY_NEW.format(alarm.DOMAIN, "mqtt"), async_discover
      )
  
  
  async def _async_setup_entity(
      config, async_add_entities, config_entry=None, discovery_hash=None
  ):
      """Set up the MQTT Alarm Control Panel platform."""
      async_add_entities([MqttAlarm(config, config_entry, discovery_hash)])
  
  
  class MqttAlarm(
      MqttAttributes,
      MqttAvailability,
      MqttDiscoveryUpdate,
      MqttEntityDeviceInfo,
      alarm.AlarmControlPanel,
  ):
      """Representation of a MQTT alarm status."""
  
      def __init__(self, config, config_entry, discovery_hash):
          """Init the MQTT Alarm Control Panel."""
          self._state = None
          self._config = config
          self._unique_id = config.get(CONF_UNIQUE_ID)
          self._sub_state = None
  
          device_config = config.get(CONF_DEVICE)
  
          MqttAttributes.__init__(self, config)
          MqttAvailability.__init__(self, config)
          MqttDiscoveryUpdate.__init__(self, discovery_hash, self.discovery_update)
          MqttEntityDeviceInfo.__init__(self, device_config, config_entry)
  
      async def async_added_to_opp(self):
          """Subscribe mqtt events."""
          await super().async_added_to_opp()
          await self._subscribe_topics()
  
      async def discovery_update(self, discovery_payload):
          """Handle updated discovery message."""
          config = PLATFORM_SCHEMA(discovery_payload)
          self._config = config
          await self.attributes_discovery_update(config)
          await self.availability_discovery_update(config)
          await self.device_info_discovery_update(config)
          await self._subscribe_topics()
          self.async_write_op_state()
  
      async def _subscribe_topics(self):
          """(Re)Subscribe to topics."""
          value_template = self._config.get(CONF_VALUE_TEMPLATE)
          if value_template is not None:
              value_template.opp = self.opp
          command_template = self._config[CONF_COMMAND_TEMPLATE]
          command_template.opp = self.opp
  
          @callback
          def message_received(msg):
              """Run when new MQTT message has been received."""
              payload = msg.payload
              if value_template is not None:
                  payload = value_template.async_render_with_possible_json_value(
                      msg.payload, self._state
                  )
              if payload not in (
                  STATE_ALARM_DISARMED,
                  STATE_ALARM_ARMED_HOME,
                  STATE_ALARM_ARMED_AWAY,
                  STATE_ALARM_ARMED_NIGHT,
                  STATE_ALARM_PENDING,
                  STATE_ALARM_TRIGGERED,
              ):
                  _LOGGER.warning("Received unexpected payload: %s", msg.payload)
                  return
              self._state = payload
              self.async_write_op_state()
  
          self._sub_state = await subscription.async_subscribe_topics(
              self.opp,
              self._sub_state,
              {
                  "state_topic": {
                      "topic": self._config[CONF_STATE_TOPIC],
                      "msg_callback": message_received,
                      "qos": self._config[CONF_QOS],
                  }
              },
          )
  
      async def async_will_remove_from_opp(self):
          """Unsubscribe when removed."""
          self._sub_state = await subscription.async_unsubscribe_topics(
              self.opp, self._sub_state
          )
          await MqttAttributes.async_will_remove_from_opp(self)
          await MqttAvailability.async_will_remove_from_opp(self)
  
      @property
      def should_poll(self):
          """No polling needed."""
          return False
  
      @property
      def name(self):
          """Return the name of the device."""
          return self._config[CONF_NAME]
  
      @property
      def unique_id(self):
          """Return a unique ID."""
          return self._unique_id
  
      @property
      def state(self):
          """Return the state of the device."""
          return self._state
  
      @property
      def supported_features(self) -> int:
          """Return the list of supported features."""
          return SUPPORT_ALARM_ARM_HOME | SUPPORT_ALARM_ARM_AWAY | SUPPORT_ALARM_ARM_NIGHT
  
      @property
      def code_format(self):
          """Return one or more digits/characters."""
          code = self._config.get(CONF_CODE)
          if code is None:
              return None
          if isinstance(code, str) and re.search("^\\d+$", code):
              return alarm.FORMAT_NUMBER
          return alarm.FORMAT_TEXT
  
      @property
      def code_arm_required(self):
          """Whether the code is required for arm actions."""
          code_required = self._config.get(CONF_CODE_ARM_REQUIRED)
          return code_required
  
      async def async_alarm_disarm(self, code=None):
          """Send disarm command.
  
          This method is a coroutine.
          """
          code_required = self._config[CONF_CODE_DISARM_REQUIRED]
          if code_required and not self._validate_code(code, "disarming"):
              return
          payload = self._config[CONF_PAYLOAD_DISARM]
          self._publish(code, payload)
  
      async def async_alarm_arm_home(self, code=None):
          """Send arm home command.
  
          This method is a coroutine.
          """
          code_required = self._config[CONF_CODE_ARM_REQUIRED]
          if code_required and not self._validate_code(code, "arming home"):
              return
          action = self._config[CONF_PAYLOAD_ARM_HOME]
          self._publish(code, action)
  
      async def async_alarm_arm_away(self, code=None):
          """Send arm away command.
  
          This method is a coroutine.
          """
          code_required = self._config[CONF_CODE_ARM_REQUIRED]
          if code_required and not self._validate_code(code, "arming away"):
              return
          action = self._config[CONF_PAYLOAD_ARM_AWAY]
          self._publish(code, action)
  
      async def async_alarm_arm_night(self, code=None):
          """Send arm night command.
  
          This method is a coroutine.
          """
          code_required = self._config[CONF_CODE_ARM_REQUIRED]
          if code_required and not self._validate_code(code, "arming night"):
              return
          action = self._config[CONF_PAYLOAD_ARM_NIGHT]
          self._publish(code, action)
  
      def _publish(self, code, action):
          """Publish via mqtt."""
          command_template = self._config[CONF_COMMAND_TEMPLATE]
          values = {"action": action, "code": code}
          payload = command_template.async_render(**values)
          mqtt.async_publish(
              self.opp,
              self._config[CONF_COMMAND_TOPIC],
              payload,
              self._config[CONF_QOS],
              self._config[CONF_RETAIN],
          )
  
      def _validate_code(self, code, state):
          """Validate given code."""
          conf_code = self._config.get(CONF_CODE)
          check = conf_code is None or code == conf_code
          if not check:
              _LOGGER.warning("Wrong code entered for %s", state)
          return check
  