// vim: set sw=2 ts=2 sts=2 et :

class StrategyDeviceButtons {

  static async generateView(info) {
    const { device_name } = info.view.strategy.options;

    const [devices, entities] = await Promise.all([
      info.hass.callWS({ type: "config/device_registry/list" }),
      info.hass.callWS({ type: "config/entity_registry/list" }),
    ]);

    const cards = [];

    let device_id;
    for (const device of devices) {
      if (device.name == device_name) {
        device_id = device.id;
        break;
      }
    }
    if (!device_id) {
      console.error("Could not find device id");
    }

    for (const entity of entities) {
      if (device_id && entity.device_id == device_id) {
        cards.push({
          type: "button",
          entity: entity.entity_id,
          show_state: true,
          tap_action: {
            action: "toggle",
          },
        });
      }
    }

    return {
      "type": "panel",
      "cards": [
        {
          type: "grid",
          columns: 4,
          cards,
        },
      ],
    };

  }

}

customElements.define("ll-strategy-device-buttons", StrategyDeviceButtons);