blueprint:
  name: Auto AC Control
  description: Auto Turn on Air Conditioning
  domain: automation
  author: Tiziano Trabattoni
  input:
    temp_threshold:
      name: Temperature Threshold to switch AC on
      description: This threshold is the temperature above which AC must be switched on
      default: 29.0
      selector:
        number:
          min: 25.0
          max: 40.0
          step: 0.5
          unit_of_measurement: celsius

    temp_hist:
      name: Temperature Histeresys from off to on
      description: This gap is difference between on and off
      default: 2.0
      selector:
        number:
          min: 1.0
          max: 4.0
          step: 0.5
          unit_of_measurement: celsius

    climate_target:
      name: Termostat Control
      description: Identifies the AC climate to be controlled
      selector:
        entity:
          filter:
            - domain: climate

mode: restart

variables:
  target_AC: !input climate_target
  target_temp: !input temp_threshold
  target_hist: !input temp_hist

triggers:
  - trigger: state
    entity_id: !input climate_target
    attribute: current_temperature

conditions: []

actions:
  - choose:
      # CONDITION 1: Turn AC ON & Adjust Fan
      - conditions:
          - condition: template
            value_template: "{{ state_attr(target_AC, 'current_temperature') | float(0) >= target_temp }}"
          - condition: or
            conditions:
              - condition: state
                entity_id: !input climate_target
                state: "off"
              - condition: state
                entity_id: !input climate_target
                state: "heat_cool"
              - condition: state
                entity_id: !input climate_target
                state: "dry"
              - condition: state
                entity_id: !input climate_target
                state: "fan_only"
        sequence:
          - action: climate.set_hvac_mode
            target:
              entity_id: !input climate_target
            data:
              hvac_mode: cool
          - action: climate.set_fan_mode
            target:
              entity_id: !input climate_target
            data:
              fan_mode: >-
                {% set curr_temp = state_attr(target_AC, 'current_temperature') | float(0) -%}
                {% set targ_temp = state_attr(target_AC, 'temperature') | float(0) -%}
                {% set diff_temp = curr_temp - targ_temp -%}
                {% if diff_temp >= 4.0 -%}
                  5
                {% elif diff_temp >= 3.5 and diff_temp < 4.0 -%}
                  4
                {% elif diff_temp >= 3.0 and diff_temp < 3.5 -%}
                  3
                {% elif diff_temp >= 1.5 and diff_temp < 3.0 -%}
                  2
                {% else -%}
                  Auto
                {% endif %}

      # CONDITION 2: Turn AC OFF (Hysteresis)
      - conditions:
          - condition: template
            value_template: >-
              {{ state_attr(target_AC, 'current_temperature') | float(0) <= (target_temp | float(0) - target_hist | float(0)) }}
          - condition: state
            entity_id: !input climate_target
            state: "cool"
        sequence:
          - action: climate.turn_off
            target:
              entity_id: !input climate_target