# Home Assistant helper for the device's Weather screen (base/screens/weather.yaml).
#
# HA no longer exposes a weather entity's multi-day forecast as an attribute, so this
# template calls weather.get_forecasts and publishes a single compact sensor the device
# reads. State format: "condition,high,low,DayName|..." (one segment per day, up to 7).
#
# 1. Change weather.forecast_dom below to your weather entity (3 places).
# 2. Put this in HA configuration.yaml (or a packages/ file), then restart HA / reload
#    template entities. It creates sensor.va_weekly_forecast.
# 3. On the device, ${forecast_entity} defaults to sensor.va_weekly_forecast - override
#    the substitution if you name it differently.

template:
  - trigger:
      - platform: homeassistant
        event: start
      - platform: time_pattern
        minutes: "/30"
    action:
      - service: weather.get_forecasts
        target:
          entity_id: weather.forecast_dom
        data:
          type: daily
        response_variable: fc
    sensor:
      - name: "VA weekly forecast"
        unique_id: va_weekly_forecast
        state: >
          {% set ns = namespace(parts=[]) %}
          {% for d in fc['weather.forecast_dom'].forecast[:7] %}
            {% set hi = (d.temperature | round(0)) if d.temperature is not none else 0 %}
            {% set lo = (d.templow | round(0)) if (d.templow is defined and d.templow is not none) else hi %}
            {% set nm = as_timestamp(d.datetime) | timestamp_custom('%a', true) %}
            {% set ns.parts = ns.parts + [d.condition ~ ',' ~ hi ~ ',' ~ lo ~ ',' ~ nm] %}
          {% endfor %}
          {{ ns.parts | join('|') }}