Home-Assistant Alarm

homeassistant:
  customize:
    sensor.relative_alarm_time:
      hidden: true
    automation.alarm_executor:
      hidden: true
    automation.enable_alarm_on_time_change:
      hidden: true
    automation.alarm_is_activated:
      friendly_name: Activated
      icon: mdi:alarm-multiple
    sensor.alarm_time:
      friendly_name: Set time
      icon: mdi:alarm

# Track the sun
sun:

sensor:
  - platform: template
    sensors:
      alarm_time:
        friendly_name: 'Alarm'
        value_template: '{% if states.input_slider.alarmhour.state|round(0)|string|length == 1 %}0{% endif %}{{ states.input_slider.alarmhour.state|round(0)|string }}:{% if states.input_slider.alarmminutes.state|round(0)|string|length == 1 %}0{% endif %}{{ states.input_slider.alarmminutes.state|round(0)|string }}'
        entity_id:
          - input_slider.alarmminutes
          - input_slider.alarmhour
      relative_alarm_time:
        value_template: '{{ states.input_slider.alarmhour.state|float|multiply(60) + states.input_slider.alarmminutes.state|float - (now().hour|float|multiply(60) + now().minute)}}'
        unit_of_measurement: "min"
        entity_id:
          - sensor.time
  - platform: time_date
    display_options:
      - 'time'

group:
  alarmclock:
    name: Wake Me Up
    entities:
      - sensor.alarm_time
      - input_slider.alarmhour
      - input_slider.alarmminutes
      - automation.alarm_is_activated

input_slider:
  alarmhour:
    name: Hour
    icon: mdi:timer
    initial: 7
    min: 5
    max: 22
    step: 1
  alarmminutes:
    name: Minutes
    icon: mdi:timer
    initial: 0
    min: 0
    max: 55
    step: 5

automation:
  - alias: alarm_executor
    trigger:
      - platform: time
        minutes: '/5'
    condition:
      condition: and
      conditions:
        - condition: state
          entity_id: device_tracker.one_device
          state: 'home'
        - condition: state
          entity_id: device_tracker.another_device
          state: 'home'
        - condition: state
          entity_id: automation.alarm_is_activated
          state: 'on'
        - condition: numeric_state
          entity_id: sensor.relative_alarm_time
          below: 5
          above: -5
        - condition: numeric_state
          entity_id: sun.sun
          value_template: '{{ state.attributes.elevation }}'
          below: 8
    action:
      service: light.turn_on
      entity_id: light.ikea_boy
  - alias: 'alarm_is_activated'
    initial_state: False
    trigger:
      - platform: time
        minutes: '/1'
    condition:
      - condition: template
        value_template: '{{ now().hour == (states.input_slider.alarmhour.state  | round(0))  and  now().minute == (states.input_slider.alarmminutes.state  | round(0) )  }}'
    action:
      - service: homeassistant.turn_off
        data:
          entity_id: automation.alarm_is_activated
  - alias: "enable_alarm_on_time_change"
    trigger:
      platform: state
      entity_id: input_slider.alarmhour, input_slider.alarmminutes
    action:
      - service: homeassistant.turn_on
        data:
          entity_id:
            - automation.alarm_is_activated