/**
 * 根据行政区划代码查找对应的行政区划名称
 * @param {string|number} areaCode - 行政区划代码
 * @param {Array} regionalData - 行政区划树形数据
 * @param {boolean} [needFullPath=false] - 是否需要完整路径
 * @returns {string} 行政区划名称或完整路径
 */
export const findAreaName = (areaCode, regionalData = [], needFullPath = false) => {
    if (!regionalData || regionalData.length === 0) return areaCode;
  
    const normalizeCode = code => {
      if (!code) return '';
      const strCode = String(code).replace(/0+$/, '');
      return strCode.length >= 6 ? strCode : '';
    };
  
    const targetCode = normalizeCode(areaCode);
    
    const findInTree = (treeNodes, parentPath = []) => {
      for (const node of treeNodes) {
        const currentPath = [...parentPath, node.name];
  
        if (normalizeCode(node.id) === targetCode) {
          return needFullPath ? currentPath.join('/') : node.name;
        }
  
        if (node.childrens?.length > 0) {
          const found = findInTree(node.childrens, currentPath);
          if (found) return found;
        }
      }
      return null;
    };
  
    return findInTree(regionalData) || areaCode;
  };