blueprint:
  name: Power Spike Logger
  description: >
    Logs significant power spikes (positive or negative) from an energy meter, typically used to identify when major appliances are turned on or off.
  domain: automation
  input:
    phase1_power:
      name: Phase 1 Power Sensor
      selector:
        entity:
          domain: sensor
    phase2_power:
      name: Phase 2 Power Sensor
      selector:
        entity:
          domain: sensor
    total_power:
      name: Total Power Sensor
      selector:
        entity:
          domain: sensor
    delta_power:
      name: Power Delta Sensor
      selector:
        entity:
          domain: sensor
    spike_threshold:
      name: Spike Threshold (W)
      description: Minimum power change (positive or negative) to trigger logging
      default: 1500
      selector:
        number:
          min: 100
          max: 10000
          unit_of_measurement: W
          mode: box
    log_target:
      name: Notification or Log Target
      description: Where to send spike logs (e.g., notify.persistent_notification)
      default: []
      selector:
        target:
          entity:
            domain: notify

trigger:
  - platform: numeric_state
    entity_id: !input delta_power
    above: !input spike_threshold
  - platform: template
    value_template: >
      {% set threshold = states('input_number.spike_threshold') | float(1500) %}
      {% set delta = states(input('delta_power')) | float(0) %}
      {{ delta < (0 - threshold) }}

condition:
  - condition: template
    value_template: >
      {{ states(input('total_power')) | float(0) > 1000 }}

variables:
  phase1: "{{ states(input('phase1_power')) }}"
  phase2: "{{ states(input('phase2_power')) }}"
  total: "{{ states(input('total_power')) }}"
  delta: "{{ states(input('delta_power')) }}"
  time: "{{ now().strftime('%Y-%m-%d %H:%M:%S') }}"

action:
  - service: notify.persistent_notification
    data:
      title: "Power Spike Detected"
      message: >
        Power spike at {{ time }}:\n
        Phase 1: {{ phase1 }} W\n
        Phase 2: {{ phase2 }} W\n
        Total: {{ total }} W\n
        Δ: {{ delta }} W

mode: queued