# ------------------------------
# TIMER HELPER (define in YAML so it definitely exists)
# ------------------------------
timer:
  master_bedroom_climate_timer:
    name: Master Bedroom Climate Timer
    duration: "00:00:00"

# ------------------------------
# DROPDOWN (sleep timer)
# ------------------------------
input_select:
  master_bedroom_climate_timer_duration:
    name: Master Bedroom Aircon Sleep
    options:
      - "1 hour"
      - "2 hours"
      - "3 hours"
      - "6 hours"
      - "Cancel timer"
    initial: "Cancel timer"
    icon: mdi:timer-outline

# ------------------------------
# LIVE REMAINING (updates immediately on selection, and every minute)
# ------------------------------
template:
  - trigger:
      # Update once per minute (suits hh:mm display)
      - platform: time_pattern
        minutes: "/1"

      # Update when timer STATE changes (idle/active/paused)
      - platform: state
        entity_id: timer.master_bedroom_climate_timer

      # Update immediately when user changes the dropdown
      - platform: state
        entity_id: input_select.master_bedroom_climate_timer_duration

    sensor:
      - name: "Master Bedroom Climate Timer Remaining"
        unique_id: master_bedroom_climate_timer_remaining
        icon: mdi:timer
        state: >-
          {% set st = states('timer.master_bedroom_climate_timer') | lower %}
          {% if st == 'idle' %}
            0:00
          {% else %}
            {% set fa = state_attr('timer.master_bedroom_climate_timer', 'finishes_at') %}
            {% if fa %}
              {% set end = as_datetime(fa) %}
              {% set sec = (end - now()).total_seconds() | int(0) %}
              {% if sec < 0 %}{% set sec = 0 %}{% endif %}
              {% set hh = (sec // 3600) | int %}
              {% set mm = ((sec % 3600) // 60) | int %}
              {{ hh }}:{{ '%02d' | format(mm) }}
            {% else %}
              0:00
            {% endif %}
          {% endif %}

# ------------------------------
# AUTOMATION: start/cancel timer when dropdown changes
# ------------------------------
automation:
  - alias: "Start or Cancel Master Bedroom Climate Timer"
    mode: restart
    trigger:
      - platform: state
        entity_id: input_select.master_bedroom_climate_timer_duration

    variables:
      opt: "{{ states('input_select.master_bedroom_climate_timer_duration') }}"
      dur_map:
        "1 hour": "01:00:00"
        "2 hours": "02:00:00"
        "3 hours": "03:00:00"
        "6 hours": "06:00:00"

    action:
      - choose:
          - conditions:
              - condition: template
                value_template: "{{ opt in dur_map }}"
            sequence:
              - service: timer.cancel
                target:
                  entity_id: timer.master_bedroom_climate_timer
              - delay: "00:00:01"
              - service: timer.start
                target:
                  entity_id: timer.master_bedroom_climate_timer
                data:
                  duration: "{{ dur_map[opt] }}"

          - conditions:
              - condition: state
                entity_id: input_select.master_bedroom_climate_timer_duration
                state: "Cancel timer"
            sequence:
              - service: timer.cancel
                target:
                  entity_id: timer.master_bedroom_climate_timer

  - alias: "Turn Off Master Bedroom Climate on Timer Completion"
    trigger:
      - platform: event
        event_type: timer.finished
        event_data:
          entity_id: timer.master_bedroom_climate_timer
    action:
      - service: climate.turn_off
        target:
          entity_id: climate.master_bedroom
      - service: input_select.select_option
        target:
          entity_id: input_select.master_bedroom_climate_timer_duration
        data:
          option: "Cancel timer"