// src/layouts/BasicLayout.tsx
import React, { useEffect, useState } from 'react';
import ProLayout, { PageContainer } from '@ant-design/pro-layout';
import { Link, useLocation, useIntl, useHistory } from 'umi';
import { connect } from 'dva';
import defaultSettings from '../../config/defaultSettings';
import routes from '../../config/router.config'; // 引入你的自定义路由结构
import { ConfigProvider, Breadcrumb } from 'antd';
import HeaderComponent from './Header';
import IconFont from '@/components/IconFont/IconFont';
import { BreadcrumbState } from '@/models/breadcrumb';


const MenuRender = (item: any, isSubMenu: boolean) => {
  const intl = useIntl();
  return (
    <>
      {isSubMenu ? (
        <span className="ant-pro-menu-item">
          <IconFont type={item.icon as string} />
          <span className="ant-pro-menu-item-title">
            {intl.formatMessage({ id: `menu.${item.name}` || '' })}
          </span>
        </span>
      ) : (
        <Link className="ant-pro-menu-item" key={item.path} to={item.path || '/'} innerRef={null}>
          <IconFont type={item.icon as string} />
          <span className="ant-pro-menu-item-title">
            {intl.formatMessage({ id: `menu.${item.name}` || '' })}
          </span>
        </Link>
      )}
    </>
  );
};

// 递归交集过滤函数
function filterMenuByRouter(routes:any, menuRoutes:any) {
  return routes.reduce((result:any, route:any) => {
    // 只看有 name 的节点
    const menu = menuRoutes.find(m => m.name === route.name);
    if (menu) {
      // 匹配到后，递归处理 children
      let children = [];
      if (route.children && menu.children) {
        children = filterMenuByRouter(route.children, menu.children);
      }
      // 构建新节点，保留原 router.config.ts 路径等信息（比如 path, icon, ...其它字段）
      result.push({
        ...route,
        // ...menu, // 可按需决定是否 menu 字段覆盖 route 字段（比如 path）
        // children: children.length > 0 ? children : undefined
      });
    }
    return result;
  }, []);
}

const BreadcrumbRender = (routeBreadcrumb: any, intl: any, history: any, dynamicBreadcrumbName: string | null) => {
  const breadcrumbRoutes = routeBreadcrumb?.routes;
  return (
    <Breadcrumb>
      <Breadcrumb.Item
        onClick={() => {
          history.push('/');
        }}
      >
        <span style={{ cursor: 'pointer' }}>
          {intl.formatMessage({ id: 'menu.首页' })}
        </span>
      </Breadcrumb.Item>
      {breadcrumbRoutes?.map((item: any, index: number) => {
        // 判断是否是最后一个面包屑项且存在动态名称
        const isLastItem = index === (breadcrumbRoutes.length - 1);
        const displayName = (isLastItem && dynamicBreadcrumbName)
          ? dynamicBreadcrumbName
          : intl.formatMessage({ id: `menu.${item.breadcrumbName}` || '' });

        return (
          <Breadcrumb.Item key={item.path}>
            {displayName}
          </Breadcrumb.Item>
        );
      })}
    </Breadcrumb>
  );
};

interface BasicLayoutProps {
  children: React.ReactNode;
  breadcrumb: BreadcrumbState;
}

const BasicLayout: React.FC<BasicLayoutProps> = (props) => {
  const { children, breadcrumb } = props;
  const location = useLocation();
  const intl = useIntl();
  const history = useHistory();

  const [menuRoutes, setMenuRoutes] = useState<any[]>([]);

  useEffect(() => {
    const menuStr = sessionStorage.getItem('menuList');
    if (menuStr) {
      const menusFromApi = JSON.parse(menuStr);
      // routes是本地静态路由，menusFromApi是接口菜单
      const finalMenus = filterMenuByRouter(routes, menusFromApi);
      console.log(finalMenus);
      
      setMenuRoutes(finalMenus);
    }
  }, []);


  return (
    <ConfigProvider>
      <ProLayout
        {...defaultSettings}
        route={{ routes }}
        // route={{ routes: menuRoutes }}
        subMenuItemRender={(menuItemProps, defaultDom) => {
          return MenuRender(menuItemProps, true);
        }}
        menuItemRender={(item, dom) => {
          return MenuRender(item, false);
        }}
        location={location}
        fixSiderbar
        layout="mix"
        headerRender={() => {
          return <HeaderComponent />;
        }}
      >
        <PageContainer
          ghost={true}
          header={{
            title: false,
            breadcrumbRender: ({ breadcrumb: routeBreadcrumb }) =>
              BreadcrumbRender(routeBreadcrumb, intl, history, breadcrumb.breadcrumbName),
          }}
        >
          {children}
        </PageContainer>
      </ProLayout>
    </ConfigProvider>
  );
};

export default connect(({ breadcrumb }: { breadcrumb: BreadcrumbState }) => ({
  breadcrumb
}))(BasicLayout);