blueprint:
  name: WeatherAlerts – Persistent Notification and Cleanup
  description: >
    Persistent notification for Weather Alerts from a weatheralerts integration 
    sensor, plus automatic cleanup when no active alerts remain for 30 minutes. 
    New alerts and alerts less than 30 minutes old will display as a full alert 
    message in the persistent notification. Alerts older than 30 minutes will 
    only display as a short alert event title in the persistent notification.
  domain: automation
  input:
    sensor:
      name: WeatherAlerts Sensor
      description: The weatheralerts sensor to monitor
      selector:
        entity:
          domain: sensor
          integration: weatheralerts

trigger:
  # On HA start
  - platform: homeassistant
    event: start

  # Custom reload event from your integration (note the space)
  - platform: event
    event_type: "component reload"
    event_data:
      domain: weatheralerts

  # Any change to the sensor’s alert_tracking attribute
  - platform: state
    entity_id: !input sensor
    attribute: alert_tracking

variables:
  sensor: !input sensor
  integration: "{{ state_attr(sensor, 'integration') or 'weatheralerts' }}"
  zone: "{{ state_attr(sensor, 'zone') or 'unknown' }}"
  zone_name: "{{ state_attr(sensor, 'zone_name') or 'unknown' }}"
  notif_id: "{{ integration }}_{{ zone | replace(',','_') | lower }}"
  alert_ids: "{{ state_attr(sensor, 'alert_tracking') or [] }}"
  alerts: "{{ state_attr(sensor, 'alerts') or [] }}"
  now_ts: "{{ now().timestamp() | float }}"

action:
  - choose:
      # If there are any new/still-active alerts, create/update the notification
      - conditions:
          - condition: template
            value_template: >-
              {% set new_ids = alert_ids | selectattr('status','eq','new') | map(attribute='id') | list %}
              {% set new_alerts_full = alerts | selectattr('id','in', new_ids) | list %}
              {% set ids = namespace(valid=[]) %}
              {% for item in alert_ids %}
                {% if item.status == 'old'
                   and item.sent is defined and item.sent not in ['null','',none]
                   and item.expires is defined and item.expires not in ['null','',none] %}
                  {% set sent_ts = as_timestamp(item.sent, default=0) %}
                  {% set exp_ts = as_timestamp(item.expires, default=0) %}
                  {% if exp_ts > now().timestamp() and (now().timestamp() - sent_ts) < 1800 %}
                    {% set ids.valid = ids.valid + [item.id] %}
                  {% endif %}
                {% endif %}
              {% endfor %}
              {% set old_alerts_full = alerts | selectattr('id','in', ids.valid) | list %}
              {% set ids2 = namespace(valid=[]) %}
              {% for item in alert_ids %}
                {% if item.status == 'old'
                   and item.sent is defined and item.sent not in ['null','',none]
                   and item.expires is defined and item.expires not in ['null','',none] %}
                  {% set sent_ts = as_timestamp(item.sent, default=0) %}
                  {% set exp_ts = as_timestamp(item.expires, default=0) %}
                  {% if exp_ts > now().timestamp() and (now().timestamp() - sent_ts) >= 1800 %}
                    {% set ids2.valid = ids2.valid + [item.id] %}
                  {% endif %}
                {% endif %}
              {% endfor %}
              {% set old_alerts_title = alerts | selectattr('id','in', ids2.valid) | list %}
              {{ new_alerts_full | length > 0 or old_alerts_full | length > 0 or old_alerts_title | length > 0 }}
        sequence:
          - service: persistent_notification.create
            data:
              notification_id: "{{ notif_id }}"
              title: "Weather Alerts for {{ zone_name }}"
              message: |
                {% set new_ids = alert_ids | selectattr('status','eq','new') | map(attribute='id') | list %}
                {% set new_alerts_full = alerts | selectattr('id','in', new_ids) | list %}
                {% set ids = namespace(valid=[]) %}
                {% for item in alert_ids %}
                  {% if item.status == 'old'
                     and item.sent is defined and item.sent not in ['null','',none]
                     and item.expires is defined and item.expires not in ['null','',none] %}
                    {% set sent_ts = as_timestamp(item.sent, default=0) %}
                    {% set exp_ts = as_timestamp(item.expires, default=0) %}
                    {% if exp_ts > now().timestamp() and (now().timestamp() - sent_ts) < 1800 %}
                      {% set ids.valid = ids.valid + [item.id] %}
                    {% endif %}
                  {% endif %}
                {% endfor %}
                {% set old_alerts_full = alerts | selectattr('id','in', ids.valid) | list %}
                {% set ids2 = namespace(valid=[]) %}
                {% for item in alert_ids %}
                  {% if item.status == 'old'
                     and item.sent is defined and item.sent not in ['null','',none]
                     and item.expires is defined and item.expires not in ['null','',none] %}
                    {% set sent_ts = as_timestamp(item.sent, default=0) %}
                    {% set exp_ts = as_timestamp(item.expires, default=0) %}
                    {% if exp_ts > now().timestamp() and (now().timestamp() - sent_ts) >= 1800 %}
                      {% set ids2.valid = ids2.valid + [item.id] %}
                    {% endif %}
                  {% endif %}
                {% endfor %}
                {% set old_alerts_title = alerts | selectattr('id','in', ids2.valid) | list %}
                {% for alert in new_alerts_full %}
                {# — Clean up title — #}
                {% set clean_title = alert.title
                   | replace('\n\n','<br>')
                   | replace('\n',' ')
                   | trim %}
                {# — Clean up headline — #}
                {% if alert.NWSheadline and alert.NWSheadline != 'null' %}
                  {% set clean_headline = alert.NWSheadline
                     | replace('\n\n','<br>')
                     | replace('\n',' ')
                     | trim %}
                {% else %}
                  {% set clean_headline = "" %}
                {% endif %}
                {# — Clean up description — #}
                {% set clean_description = alert.description
                   | replace('\n\n','<br>')
                   | replace('\n',' ')
                   | replace('<br>','<br>\n')
                   | regex_replace('([A-Z ]+?\\.\\.\\.)', '* <strong>\\1</strong>')
                   | replace('**','*')
                   | trim %}
                {# — Optional instruction — #}
                {% if alert.instruction and alert.instruction != 'null' %}
                  {% set clean_instruction = alert.instruction
                     | replace('\n\n','<br>')
                     | replace('\n',' ')
                     | trim %}
                {% else %}
                  {% set clean_instruction = "" %}
                {% endif %}
                {# — Area — #}
                {% set clean_area = alert.area
                   | replace('\n\n','<br>')
                   | replace('\n',' ')
                   | trim %}
                <font color="orange">
                  <ha-icon icon="{{ alert.icon }}"></ha-icon>
                </font>
                <strong>
                  <font color="red">{{ clean_title }}</font>
                </strong><br>
                {% if clean_headline and clean_headline != 'null' %}
                  {{ clean_headline }}<br>
                {% endif %}
                {{ clean_description }}<br>
                * <strong> AREA…</strong> {{ clean_area }}<br><br>
                {% if clean_instruction and clean_instruction != 'null' %}
                {{ clean_instruction }}<br><br>
                {% endif %}
                {% if alert.sent and alert.sent != 'null' %}
                <strong>Alert Sent:</strong> {{ alert.sent }}<br>
                {% endif %}
                {% if alert.effective and alert.effective != 'null' %}
                <strong>Effective:</strong> {{ alert.effective }}<br>
                {% endif %}
                {% if alert.expires and alert.expires != 'null' %}
                <strong>Expires:</strong> {{ alert.expires }}<br>
                {% endif %}
                {% if alert.onset and alert.onset != 'null' %}
                <strong>Onset:</strong> {{ alert.onset }}<br>
                {% endif %}
                {% if alert.ends and alert.ends != 'null' %}
                <strong>Ends:</strong> {{ alert.ends }}<br>
                {% endif %}
                {% if not loop.last %}
                  <hr>
                {% endif %}
                {% endfor %}

                {% if old_alerts_full %}
                  <hr>
                {% for alert in old_alerts_full %}
                {# — Clean up title — #}
                {% set clean_title = alert.title
                   | replace('\n\n','<br>')
                   | replace('\n',' ')
                   | trim %}
                {# — Clean up headline — #}
                {% if alert.NWSheadline and alert.NWSheadline != 'null' %}
                  {% set clean_headline = alert.NWSheadline
                     | replace('\n\n','<br>')
                     | replace('\n',' ')
                     | trim %}
                {% else %}
                  {% set clean_headline = "" %}
                {% endif %}
                {# — Clean up description — #}
                {% set clean_description = alert.description
                   | replace('\n\n','<br>')
                   | replace('\n',' ')
                   | replace('<br>','<br>\n')
                   | regex_replace('([A-Z ]+?\\.\\.\\.)', '* <strong>\\1</strong>')
                   | replace('**','*')
                   | trim %}
                {# — Optional instruction — #}
                {% if alert.instruction and alert.instruction != 'null' %}
                  {% set clean_instruction = alert.instruction
                     | replace('\n\n','<br>')
                     | replace('\n',' ')
                     | trim %}
                {% else %}
                  {% set clean_instruction = "" %}
                {% endif %}
                {# — Area — #}
                {% set clean_area = alert.area
                   | replace('\n\n','<br>')
                   | replace('\n',' ')
                   | trim %}
                <font color="orange">
                  <ha-icon icon="{{ alert.icon }}"></ha-icon>
                </font>
                <strong>
                  <font color="red">{{ clean_title }}</font>
                </strong><br>
                {% if clean_headline and clean_headline != 'null' %}
                  {{ clean_headline }}<br>
                {% endif %}
                {{ clean_description }}<br>
                * <strong>AREA…</strong> {{ clean_area }}<br>
                {% if clean_instruction and clean_instruction != 'null' %}
                {{ clean_instruction }}<br>
                {% endif %}
                {% if alert.sent and alert.sent != 'null' %}
                <strong>Alert Sent:</strong> {{ alert.sent }}<br>
                {% endif %}
                {% if alert.effective and alert.effective != 'null' %}
                <strong>Effective:</strong> {{ alert.effective }}<br>
                {% endif %}
                {% if alert.expires and alert.expires != 'null' %}
                <strong>Expires:</strong> {{ alert.expires }}<br>
                {% endif %}
                {% if alert.onset and alert.onset != 'null' %}
                <strong>Onset:</strong> {{ alert.onset }}<br>
                {% endif %}
                {% if alert.ends and alert.ends != 'null' %}
                <strong>Ends:</strong> {{ alert.ends }}<br>
                {% endif %}
                {% if not loop.last %}
                  <hr>
                {% endif %}
                {% endfor %}
                {% endif %}

                {% if old_alerts_title %}
                <hr>
                {% if new_alerts_full %}
                <strong>Other Active Alerts:</strong><br>
                {% else %}
                <strong>Active Alerts:</strong><br>
                {% endif %}
                {% for alert in old_alerts_title %}
                * <font color="orange">
                    <ha-icon icon="{{ alert.icon }}"></ha-icon>
                  </font>
                  <strong>{{ alert.title }}<strong><br>
                {% endfor %}
                {% endif %}
    default:
      # No active alerts -> wait 30 minutes, then dismiss regardless.
      # If any alert shows up during the delay, the 'state' trigger restarts
      # the automation (mode: restart), cancelling this branch.
      - delay: "00:30:00"
      - service: persistent_notification.dismiss
        data:
          notification_id: "{{ notif_id }}"

mode: restart