popup_temperature_button:
  name: Popup Temperature Button
  version: '1.0'
  creator: Tony Stork
  supported:
    - button
  description: Will turn the button red if the room is too hot, cyan if too cold, otherwise default style applies
  code: |-
    ${(() => {
        const hot = hass?.states[this.config?.popup_temperature_button?.hot_entity]?.state || '';
        const cold = hass?.states[this.config?.popup_temperature_button?.cold_entity]?.state || '';

        let bg_color = 'var(--background-color-2)';
        let hot_color = 'var(--error-color)';
        let cold_color = 'var(--cyan-color)';

        // Main button background
        const mainButton = card?.querySelector('.bubble-button-background');
        if (mainButton) {
            mainButton.style.opacity = '1';
            if (hot === 'on') {
                mainButton.style.backgroundColor = hot_color;
            } else if (cold === 'on') {
                mainButton.style.backgroundColor = cold_color;
            } else {
                mainButton.style.backgroundColor = bg_color;
            }
            mainButton.style.transition = 'background-color 1s';
        }

        // Unavailable state
        if (mainButton && state === 'unavailable') {
            mainButton.classList.add('is-unavailable');
        } else if (mainButton) {
            mainButton.classList.remove('is-unavailable');
        }

        // No CSS string needed
        return '';
    })()}
  editor:
    - type: expandable
      title: Entity Configuration
      icon: mdi:format-list-bulleted
      schema:
        - name: hot_entity
          label: Hot Entity
          selector:
            entity:
              device_class: heat
        - name: cold_entity
          label: Cold Entity
          selector:
            entity:
              device_class: cold