- binary_sensor:
    - name: tesla_charge_now
      state: >
        {% set deadline_raw = states('input_datetime.tesla_charge_deadline') %}
        {% set deadline_ts = as_timestamp(deadline_raw) if deadline_raw not in ['unknown','unavailable',''] else none %}

        {% set hours_needed = states('sensor.tesla_charge_hours_needed') | float(0) | round(0, 'ceil') %}

        {% set prices = (state_attr('sensor.energidataservice','today') or [])
                        + (state_attr('sensor.energidataservice','tomorrow') or []) %}

        {# Filter gyldige slots før deadline #}
        {% set valid = [] %}
        {% for p in prices %}
          {% if p.hour %}
            {% set ts = as_timestamp(p.hour) %}
            {% if not deadline_ts or ts <= deadline_ts %}
              {% set valid = valid + [p] %}
            {% endif %}
          {% endif %}
        {% endfor %}

        {# Sortér kronologisk #}
        {% set valid = valid | sort(attribute='hour') %}

        {# Find billigste sammenhængende blok #}
        {% set best_block = [] %}
        {% set best_price = 999 %}

        {% for i in range(0, (valid | length) - hours_needed + 1) %}
          {% set block = valid[i:i+hours_needed] %}
          {% set total = block | map(attribute='price') | sum %}
          {% if total < best_price %}
            {% set best_price = total %}
            {% set best_block = block %}
          {% endif %}
        {% endfor %}

        {% set now_slot = now().replace(minute=0, second=0, microsecond=0).isoformat() %}

        {{ best_block | selectattr('hour','equalto',now_slot) | list | count > 0 }}