// public/ArenaArea/updateMatrixSettingsVisibility.js

/**
 * Updates the visibility of the matrix settings container based on the selected theme.
 * If the selected theme's value is "matrix", the settings are shown; otherwise, they are hidden.
 *
 * @param {HTMLSelectElement} selectThemeDropdownElement - The <select> element for theme selection.
 * @param {HTMLElement} matrixSettingsDivElement - The <div> element containing matrix-specific settings.
 */
export function updateMatrixSettingsVisibility(selectThemeDropdownElement, matrixSettingsDivElement) {
  if (!selectThemeDropdownElement) {
    console.warn("updateMatrixSettingsVisibility: selectThemeDropdownElement was not provided.");
    return;
  }
  if (!matrixSettingsDivElement) {
    console.warn("updateMatrixSettingsVisibility: matrixSettingsDivElement was not provided.");
    return;
  }

  if (selectThemeDropdownElement.value === "matrix") {
    matrixSettingsDivElement.style.display = "block";
  } else {
    matrixSettingsDivElement.style.display = "none";
  }
}