<template>
  <div class="ns-nav-content">
    <div class="ns-nav">
      <div class="ns-nav-head">
        <h4 v-if="!sideMenus.backTo" class="ns-nav-title">{{ sideMenus.title }}</h4>
        <a-button
          v-else
          class="ns-nav-back"
          type="link"
          @click="navigation(sideMenus.backTo as any)">
          <template #icon>
            <left-outlined />
          </template>
          返回
        </a-button>
      </div>
      <a-menu
        v-model:selectedKeys="selectedKeys"
        :open-keys="openKeys"
        class="nav-menu"
        mode="inline">
        <template v-for="menu in menus">
          <a-sub-menu v-if="menu.submenus && menu.ifShow" :key="menu.name">
            <template #title>{{ menu.label }}</template>
            <template v-for="subMenu in menu.submenus" :key="subMenu.name">
              <a-menu-item
                v-if="subMenu.ifShow"
                :class="{ 'nav-current': currentRouter(subMenu.url) }">
                <router-link
                  :class="{ 'nav-sub-current': currentRouter(subMenu.url) }"
                  :to="{ name: subMenu.name }"
                  active-class="nav-sub-current"
                  class="nav-sub-item"
                  @click="navChange()">
                  <span>{{ subMenu.label }}</span>
                </router-link>
              </a-menu-item>
            </template>
          </a-sub-menu>
          <a-menu-item
            v-else
            :key="menu.name"
            :class="{ 'nav-current': currentRouter(menu.url) }"
            v-if="menu.ifShow">
            <router-link
              :class="{ 'nav-sub-current': currentRouter(menu.url) }"
              :to="{ name: menu.name }"
              active-class="nav-sub-current"
              class="nav-sub-item"
              @click="navChange()">
              <span>{{ menu.label }}</span>
            </router-link>
          </a-menu-item>
        </template>
      </a-menu>
    </div>
    <div class="ns-content">
      <router-view />
    </div>
  </div>
  <!-- <router-view /> -->
</template>

<script lang="ts">
  import { computed, defineComponent, ref, unref, watch } from 'vue';
  import { useRoute, useRouter } from 'vue-router';
  import { ModuleRes, SideMenu, SideMenuItem } from '/nerv-lib/paas/store/modules/config-service';
  import { LeftOutlined } from '@ant-design/icons-vue';
  import { authorizationService } from '/nerv-lib/paas';
  import { cloneDeep, isFunction } from 'lodash-es';

  export default defineComponent({
    name: 'NsNavContent',
    components: {
      LeftOutlined,
    },
    setup() {
      const router = useRouter();
      const route = useRoute();
      if (!route?.meta?.sideMenus) {
        console.error(route.name, ' has not meta.sideMenus');
      }
      const authService = authorizationService();
      const modulesRes = authService.ModulesRes;
      const appInfo = cloneDeep(
        modulesRes.find((item) => item.app === authService.getApp()),
      ) as ModuleRes;
      // console.log('modulesRes', modulesRes);
      // console.log('appInfo', appInfo);
      const menus = ref<any[]>([]);
      const selectedKeys = ref<any[]>([]);
      const openKeys = ref<any[]>([]);

      const sideMenus = computed(() => {
        // console.log(route, 'rou我是te');
        return cloneDeep(route?.meta?.sideMenus as SideMenu);
      });

      const menuNameList = computed(() => {
        return unref(sideMenus).menus.map((item) => item.name);
      });

      const projectName = computed(() => route.params.projectName as string);
      const moduleName = computed(() => route.matched[0].name as string);
      const fullPath = computed(() => route.fullPath);

      const currentRouter = (val: any) => {
        return unref(fullPath).includes(val);
      };

      function getMenuItem(name: string): SideMenuItem | undefined {
        const menu = unref(sideMenus).menus.find((item) => item.name === name);
        if (
          menu &&
          authService.checkPermission(
            unref(moduleName),
            menu.name as string,
            undefined,
            unref(projectName),
          )
        ) {
          if (isFunction(menu.ifShow)) {
            menu.ifShow = menu.ifShow({ route, authService }) || false;
          } else {
            menu.ifShow = true;
          }
          return menu;
        }
        return undefined;
      }

      function navChange() {
        Object.keys(sessionStorage).forEach((key) => {
          const tableSession = JSON.parse(sessionStorage[key] || '{}');
          if (
            tableSession &&
            tableSession.name &&
            unref(menuNameList).includes(tableSession.name)
          ) {
            delete sessionStorage[key];
          }
        });
      }

      function navigation(url: string) {
        navChange();
        selectedKeys.value = [];
        router.push({ name: url });
      }

      watch(
        [route, sideMenus],
        () => {
          if (unref(sideMenus).root) {
            const _menus: SideMenuItem[] = [];
            appInfo?.menus.forEach((item: any) => {
              const menu = unref(sideMenus).menus.find((item1) => item1.name === item.name);
              // console.log(menu, 'menu');

              if (item.isDir) {
                const _item: SideMenuItem = {
                  name: item.name,
                  label: item.label,
                  submenus: [],
                  module: '',
                  url: '',
                };
                let open = false;

                item.submenus.forEach((subItem: any) => {
                  const _subItem = getMenuItem(subItem.name);
                  _subItem && _item.submenus && _item.submenus.push(_subItem);
                  if (route.fullPath.includes(subItem.url || subItem.path)) {
                    selectedKeys.value = [subItem.name]; // 通过输入路由匹配到文件夹下的菜单，一开始须手动加入
                    open = true;
                  }
                });
                if (open) unref(openKeys).push(item.name);
                // const {if}
                if (
                  authService.checkPermission(
                    unref(moduleName),
                    _item.name,
                    undefined,
                    unref(projectName),
                  )
                ) {
                  if (menu && isFunction(menu.ifShow)) {
                    _item.ifShow = menu.ifShow({ route, authService }) || false;
                  } else {
                    _item.ifShow = true;
                  }
                  _menus.push(_item);
                }
              } else {
                const _item = getMenuItem(item.name);
                !!_item && _menus.push(_item);
              }
            });

            menus.value = _menus;
          } else {
            const _menus: SideMenuItem[] = [];
            unref(sideMenus).menus.forEach((menuItem: SideMenuItem) => {
              const openPermission =
                authService.checkPermission(
                  menuItem.app || unref(moduleName),
                  menuItem.bindView || menuItem.name,
                  undefined,
                  unref(projectName),
                ) || menuItem.openPermission;
              const _menusItem = {
                ...menuItem,
              };
              if (isFunction(menuItem.ifShow)) {
                _menusItem.ifShow = menuItem.ifShow({ route, authService }) || false;
              } else {
                _menusItem.ifShow = true;
              }
              if (openPermission) _menus.push(_menusItem);
            });
            menus.value = unref(sideMenus).menus.filter((menuItem: SideMenuItem) => {
              return (
                authService.checkPermission(
                  menuItem.app || unref(moduleName),
                  menuItem.bindView || menuItem.name,
                  undefined,
                  unref(projectName),
                ) || menuItem.openPermission
              );
            });
            menus.value = _menus;
          }
          if (route.name === unref(sideMenus).name && unref(menus).length > 0) {
            router.push({ name: unref(menus)[0].name, query: route.query });
          }
        },
        { immediate: true },
      );
      console.log('route', route);

      return {
        currentRouter,
        navChange,
        navigation,
        menus,
        openKeys,
        selectedKeys,
        sideMenus,
      };
    },
  });
</script>

<style lang="less" scoped>
  .ns-nav-content {
    display: flex;
    height: 100%;

    .ns-nav {
      float: left;
      overflow: auto;
      width: 150px;
      min-width: 150px;
      background: @layout-sider-background !important;
      background-size: cover;

      .ns-nav-head {
        padding: 0 16px;
        width: 100%;
        height: 56px;
        line-height: 56px;
        :deep(.ant-btn) {
          padding: 0 !important;
          width: 100%;
          text-align: left;

          > .anticon + span,
          .ant-btn > span + .anticon {
            margin-left: 0;
          }
        }
        .ns-nav-title {
          font-weight: bold;
        }

        .ns-nav-back {
          padding: 0;
        }
      }

      .ns-nav-item {
        color: #212529;
        display: inline-block;
        box-sizing: border-box;
        width: 100%;
        height: 48px;
        line-height: 48px;

        &:hover {
          background-color: #fff;
        }
      }

      .ns-nav-current {
        background-color: #fff !important;
        color: @link-color !important;
      }
    }

    :deep(.ant-menu) {
      background-color: unset;

      .ant-menu-item {
        background-color: unset;
        margin-top: 0;

        &.nav-current,
        &:hover {
          background-color: #fff;

          a {
            color: @link-color;
          }
        }

        &::after {
          border-right: none;
        }

        &.ant-menu-item-selected::after {
          border-right: none;
        }
      }
    }

    .ns-content {
      width: 100%;
      min-width: 650px;
      background-color: #ffffff;
      overflow: auto;
    }
  }
</style>