switch:
  - platform: dlink
    name: coffee
    host: x.x.x.x
    username: admin
    password: !secret dlink_password

sensor:
  - platform: template
    sensors:
      coffee_consumption:
        value_template: "{{float(states.switch.coffee.attributes['power_consumption'].split(' ')[0] if states.switch.coffee else 0)}}"
        friendly_name: 'Coffee Machine Consumption'
        unit_of_measurement: 'W'

automation:
  - action:
    - data:
        message: Water tank is empty.
        title: Coffee Machine
      service: notify.all
    alias: Coffee Machine tank empty
    condition:
    - condition: state
      entity_id: switch.coffee
      state: 'on'
    id: '1514720198787'
    # heating element was inactive for 15 minutes but machine is still on
    trigger:
    - above: '5'
      below: '500'
      for:
        minutes: 15
      entity_id: sensor.coffee_consumption
      platform: numeric_state