import "./BasicLayout.less";
import { Layout } from "ant-design-vue";
import pathToRegexp from "path-to-regexp";
import SiderMenu from "@/components/SiderMenu";
import Header from "./Header";
import Footer from "./Footer";
import eventBus from "@/utils/eventBus.js";
import logo from "@/assets/app-store.svg";
import { mapGetters } from "vuex";
const BasicLayout = {
  data: () => ({
    layout: "topmenu",
    logo,
  }),
  methods: {
    formatter(data, parentPath = "", parentName) {
      return data.map((item) => {
        let locale = "menu";
        if (parentName && item.name) {
          locale = `${parentName}.${item.name}`;
        } else if (item.name) {
          locale = `menu.${item.name}`;
        } else if (parentName) {
          locale = parentName;
        }
        const result = {
          ...item,
          locale,
        };

        if (!item.leaf) {
          const menus = this.formatter(
            item.children,
            `${parentPath}${item.path}/`,
            locale
          );
          // Reduce memory usage
          result.menus = menus;
        }
        delete result.children;
        return result;
      });
    },
    getMenuData() {
      return this.formatter(this.menuNav.data);
    },
    /**
     * 获取面包屑映射
     * @param {Object} menuData 菜单配置
     */
    getBreadcrumbNameMap() {
      const routerMap = {};
      const mergeMenuAndRouter = (data) => {
        data.forEach((menuItem) => {
          if (menuItem.menus) {
            mergeMenuAndRouter(menuItem.menus);
          }
          // Reduce memory usage
          routerMap[menuItem.path] = menuItem;
        });
      };
      mergeMenuAndRouter(this.getMenuData());
      return routerMap;
    },

    matchParamsPath(pathname) {
      const breadcrumbNameMap = this.getBreadcrumbNameMap();
      const pathKey = Object.keys(breadcrumbNameMap).find((key) =>
        pathToRegexp(key).test(pathname)
      );
      return breadcrumbNameMap[pathKey];
    },

    getPageTitle(pathname) {
      const currRouterData = this.matchParamsPath(pathname);
      if (!currRouterData) {
        return this.settings.leftMenuTitle;
      }
      const message = this.$t(currRouterData.locale || currRouterData.name);
      return `${message} - ${this.settings.leftMenuTitle}`;
    },
    onResizeCollapsed() {
      if (window.innerWidth <= 900) {
        this.$store.commit("global/UpdateChangeLayoutCollapsed", true);
      } else {
        this.$store.commit("global/UpdateChangeLayoutCollapsed", false);
      }
    },
  },
  computed: {
    ...mapGetters({
      collapsed: "global/getChangeLayoutCollapsed",
      settings: "global/settings",
      menuNav: "global/nav/getMenuNav",
    }),
    getContentStyle() {
      return {
        margin: "24px 24px 0",
        paddingTop: this.settings.fixedHeader ? 64 : 0,
      };
    },
    getSiderShadow() {
      let width = 256;
      if (this.collapsed) width = 80;

      return `width: ${width}px; min-width: ${width}px; max-width: ${width}px;transition: all 0.2s;background: #001529;`;
    },
  },
  beforeRouteEnter(to, from, next) {
    next((vm) => {
      // 通过 `vm` 访问组件实例
      document.title = vm.getPageTitle(to.path);
    });
  },
  beforeRouteUpdate(to, from, next) {
    this.$store.commit("global/UpdateBasicLayoutSpinning", true);
    document.title = this.getPageTitle(to.path);
    this.$nextTick(() => {
      next();
    });
  },
  mounted() {
    this.$store.dispatch("global/nav/getMenuNav");

    this.onResizeCollapsed();

    window.onresize = () => {
      // 通过捕获系统的onresize事件触发我们需要执行的事件
      this.onResizeCollapsed();
    };
  },
  render() {
    const { collapsed, getContentStyle, logo } = this;
    const { layout, fixedHeader, fixSiderbar } = this.settings;
    const isTop = layout === "topmenu";
    const isMobile = false;
    const menuData = this.getMenuData();
    eventBus.breadcrumbNameMap = this.getBreadcrumbNameMap();
    return (
      <Layout class="ai-basic-layout-container">
        {isTop && !isMobile ? null : (
          <SiderMenu
            collapsed={collapsed}
            fixSiderbar={fixSiderbar}
            menuData={menuData}
            logo={logo}
          />
        )}
        {fixSiderbar ? <div style={this.getSiderShadow}></div> : null}
        <Layout>
          <Header menuData={menuData} logo={logo} />
          <div v-show={fixedHeader} style={{ width: "100%", height: "64px" }} />
          <Layout.Content style={getContentStyle}>
            <router-view />
          </Layout.Content>
          <Footer />
        </Layout>
      </Layout>
    );
  },
};
export default BasicLayout;