status_alert.yaml

type: markdown
content: >-
  {%- set stage_sensor = "sensor.load_shedding_stage_eskom" -%}
  {%- set area_sensor = "sensor.load_shedding_area_tshwane_3_garsfonteinext8" -%}

  {%- set stage = state_attr(stage_sensor, "stage") or 0 -%}
  {%- set next_stage = state_attr(stage_sensor, "next_stage") or 0 -%}
  {%- set next_start = state_attr(stage_sensor, "next_start_time") or 0 -%}
  {%- set next_end = state_attr(stage_sensor, "next_end_time") or 0 -%}
  {%- set next_in = 0 -%}
  {%- set next_time = 0 -%}
  {%- set alert = states(stage_sensor) or 0 -%}
  {%- set alert_type = "success" -%}

  {% set area_forecast = state_attr(area_sensor, "forecast") or [] -%}
  {%- set starts_in = state_attr(area_sensor, "starts_in") or 0 -%}
  {%- set ends_in = state_attr(area_sensor, "ends_in") or 0 -%}

  {%- if area_forecast -%}
    {%- set next_start = area_forecast[0].start_time or 0 -%}
    {%- set next_end = area_forecast[0].end_time or 0 -%}
  {%- endif -%}
  {%- if is_state(area_sensor, "off") and starts_in and next_start and next_end -%}
    {%- set next_in = starts_in if starts_in else 0 -%}
    {%- if next_start == 0 or next_end == 0 -%}
      {%- set next_time = as_timestamp(next_start, default=0.0) -%}
      {%- set alert = "Stage {stage}".format(stage=next_stage) + " starts in {countdown} ({next})" -%}
    {%- elif not stage and starts_in > 1440 -%}
      {%- set next_time = as_timestamp(next_start, default=0.0) -%}
      {%- set alert = "No Load Shedding" -%}
    {%- else -%}
      {%- set next_time = as_timestamp(next_start, default=0.0) -%}
      {%- set alert = "Load Shedding starts in {countdown} ({next})" -%}
    {%- endif -%}
    {% if next_in > 1440 %}
      {%- set alert_type = "success" -%}
    {% elif 1440 >= next_in >= 60 %}
      {%- set alert_type = "warning" -%}
    {% elif 60 > next_in %}
      {%- set alert_type = "error" -%}
    {% endif %}
  {%- elif is_state(area_sensor, "on") and ends_in -%}
    {%- set next_time = as_timestamp(next_end, default=0.0) -%}
    {# {%- set next_in = ends_in if ends_in else 0 -%} #}
    {%- set alert = "Load Shedding ends in {countdown} ({next})" -%}
    {%- set alert_type = "error" -%}
  {%- endif -%}

  {% set mins = starts_in %}
  {% if is_state(area_sensor, "on") %}
    {% set mins = ends_in %}
  {% endif %}
  {% set countdown = "%02dh%02d"|format(mins // 60, mins % 60) %}

  {%- set alert = alert.format(countdown=countdown, next=next_time | timestamp_custom("%H:%M", True)) -%}

  <ha-alert alert-type="{{ alert_type }}">{{ alert }}</ha-alert>