import { HOME_PATH, HOME_TITLE, isHomeAliasPath } from '@/config/setting';

/**
 * 把后端旧菜单（资质管理 / 期限管理）改成工种管理、资质证照管理。
 * 注意：保留原 path，避免门户/接口仍走旧地址时路由丢失白屏。
 * 首页 path 统一为 HOME_PATH，避免 /homeView 与 /home 双路由双页签。
 */
const MENU_REWRITES = [
  {
    matchPath: [
      /term-management/i,
      /termManagement/i,
      /term_management/i,
      /job-management/i,
    ],
    matchTitle: [/期限管理/, /工种管理/],
    matchComponent: [/termManagement/i, /jobManagement/i],
    // 不改 path，兼容后端/门户旧地址
    component: 'hrManagement/jobManagement/index',
    title: '工种管理',
  },
  {
    matchPath: [
      /qualification-management/i,
      /qualificationManagement/i,
      /qualification_management/i,
      /qualification-certificate/i,
    ],
    matchTitle: [/^资质管理$/, /资质证照管理/],
    matchComponent: [/qualificationManagement/i, /qualificationCertificate/i],
    component: 'hrManagement/qualificationCertificate/index',
    title: '资质证照管理',
  },
];

function getMenuTitle(menu) {
  return String(
    menu?.meta?.title || menu?.title || menu?.name || menu?.menuName || '',
  ).trim();
}

function getMenuPath(menu) {
  return String(menu?.path || '').trim();
}

function getMenuComponent(menu) {
  return String(menu?.component || '').trim();
}

function findRewrite(menu) {
  const path = getMenuPath(menu);
  const title = getMenuTitle(menu);
  const component = getMenuComponent(menu);
  return MENU_REWRITES.find(
    (rule) =>
      rule.matchPath.some((re) => re.test(path)) ||
      rule.matchTitle.some((re) => re.test(title)) ||
      rule.matchComponent.some((re) => re.test(component)),
  );
}

function isHomeMenu(menu) {
  if (isHomeAliasPath(getMenuPath(menu))) return true;
  const title = getMenuTitle(menu);
  if (title === HOME_TITLE || title === 'Home') return true;
  return /homeView|(^|\/)home$/i.test(getMenuComponent(menu));
}

/**
 * 递归改写菜单树中的旧模块
 * - 首页 path 统一为 /home/index（WT 内完整地址 /page-hr/home/index），侧栏仍显示「首页」
 * - 顶部只走小房子，不另开可关闭页签
 */
export function rewriteLegacyHrMenus(menus = []) {
  if (!Array.isArray(menus) || !menus.length) return menus || [];
  return menus.map((item) => {
    const next = { ...item };
    if (isHomeMenu(next)) {
      next.path = HOME_PATH;
      next.component = 'homeView/index';
      next.title = HOME_TITLE;
      next.meta = {
        ...(next.meta || {}),
        title: HOME_TITLE,
        icon: next.meta?.icon || next.icon || 'el-icon-house',
        closable: false,
      };
    } else {
      const rule = findRewrite(next);
      if (rule) {
        next.component = rule.component;
        next.title = rule.title;
        next.meta = {
          ...(next.meta || {}),
          title: rule.title,
        };
      }
    }
    if (Array.isArray(next.children) && next.children.length) {
      next.children = rewriteLegacyHrMenus(next.children);
    }
    return next;
  });
}