update V24.7.23: 1. 新增取消時的動作，可發通知。 2. 執行送風後等待20秒，如當下非送風，再設定一次送風

climate_timer_helper.yaml

blueprint:
  name: 空調關閉定時送風再關機(計時器版)
  description: >
    ### 當空調要關機後<等待20秒>，會先切成"送風模式"，並持續一定時間再關機
      
    ### 請先至設定>裝置與服務>助手>新增計時器>記得勾選"回復"並填上想要送風多久的時間再來新增此自動化!
      
    只要空調從"非"送風或暖氣模式變為"關閉"就會觸發此自動化，轉為送風並開始倒數
      
    當倒數結束就會關閉空調，如果在倒數期間切換其他模式，將停止倒數不會繼續
      
    建議一台空調新增一個計數器，避免同時關閉多台空調被影響
      
    **版本: V24.7.23**
    
  domain: automation
  input:

    climate_entity:
      name: 冷氣實體(必填)
      description: 選擇要控制的冷氣
      selector:
        entity:
          domain: climate 
          multiple: false
          
    timer_helper:
      name: 計時器實體
      description: 請選擇已建立好的計時器實體
      selector:
        entity:
          domain: timer 
          multiple: false

    pre_actions:
      name: 啟動執行動作，可選多個動作(選填)
      description: >
        當轉為送風模式時要執行哪些動作?
        
        (如推送通知、開電扇協助通風、開窗...等等)
      default: []
      selector:
        action: {}
        
    finish_actions:
      name: 完成執行動作，可選多個動作(選填)
      description: >
        當時間到關閉空調時要執行哪些動作? 
        
        (如推送通知、關閉協助通風的電扇、關窗...等等)
      default: []
      selector:
        action: {}
        
    cancel_actions:
      name: 取消時執行動作，可選多個動作(選填)
      description: >
        當送風中變更模式消倒數時要執行哪些動作? 
        
        (如推送通知、關閉協助通風的電扇、關窗...等等)
      default: []
      selector:
        action: {}


mode: single
trigger:
  - alias: "從非送風或暖氣狀態變為關機"
    platform: state
    entity_id: !input climate_entity
    not_from: 
      - "fan_only" 
      - "heat"
      - "unavailable"
    to: "off"
    for: "00:00:20"
    id: "start"

  - alias: "送風中變更模式取消倒數"
    platform: state
    entity_id: !input climate_entity
    from: "fan_only"  
    not_to: "off"
    for: "00:01:00"
    id: "timer_cancel"
      
  - alias: "倒數完成關閉冷氣"
    platform: event
    event_type: timer.finished
    event_data:
      entity_id: !input timer_helper
    id: "finish"

action:
  - choose:
      - alias: "開啟送風模式"
        conditions:
          - condition: trigger
            id: "start"
        sequence:
          - service: timer.start
            entity_id: !input timer_helper       
          - service: climate.set_hvac_mode
            data:
              hvac_mode: fan_only
            target:
              entity_id: !input climate_entity
          - choose: []
            default: !input pre_actions
          - delay: "00:00:20"
          - if:
              - not:
                  - condition: state
                    entity_id: !input climate_entity
                    state: 'fan_only'
            then:
              - service: climate.set_hvac_mode
                data:
                  hvac_mode: fan_only
                target:
                  entity_id: !input climate_entity

      - alias: "送風中變更模式取消倒數"
        conditions:
          - condition: trigger
            id: "timer_cancel"
        sequence:  
          - service: timer.cancel
            entity_id: !input timer_helper 
          - choose: []
            default: !input cancel_actions
            
      - alias: "送風模式結束並關機"
        conditions:
          - condition: trigger
            id: "finish"
        sequence:
          - service: climate.turn_off
            entity_id: !input climate_entity
          - choose: []
            default: !input finish_actions