bathroom.yaml

# Turn on WaterHeater LaV at input hour
- alias: Turn on WaterHeater at x time M-F
  trigger:
    platform: template
    value_template: "{{ states('sensor.time') == (state_attr('input_datetime.turn_on_waterheater_mf', 'timestamp') | int | timestamp_custom('%H:%M', False)) }}"
  condition: 
    condition: and
    conditions:
      - condition: time
        weekday:
          - mon
          - tue
          - wed
          - thu
          - fri
  action:
    service: switch.turn_on
    entity_id: switch.bathroom_waterheater

# Turn on 'calefon_is_ready' and notify when calefon on
- alias: Calefon is ready turn on
  trigger: 
    platform: state
    entity_id: switch.bathroom_waterheater
    to: 'on'
  action:
    - service: automation.turn_on
      entity_id: automation.calefon_is_ready
    - service: notify.telegram
      data_template:
        message: '🔥 Calefon on!'
               
# Calefon is ready
- alias: Calefon is ready
  trigger:
    platform: numeric_state
    entity_id: sensor.waterheater_power
    below: 1
    for:
      minutes: 1
  condition:
    - condition: state
      entity_id: switch.bathroom_waterheater
      state: 'on'
  action:
    - service: automation.turn_off
      entity_id: automation.calefon_is_ready
    - service: notify.telegram
      data_template:
        message: '🔥 Calefon ready!'
    - condition: and
      conditions:
        - condition: time
          after: '09:00:00'
          before: '05:00:00'
    - service: media_player.volume_set
      data:
        entity_id:
          - media_player.bedroom_speaker
          - media_player.living_room_speaker
        volume_level: 0.5
    - service: tts.google_translate_say
      data_template:
        entity_id:
          - media_player.bedroom_speaker
          - media_player.living_room_speaker
        message: "El calefón está listo"
        language: 'es'