<script lang="ts" setup name="TopMenuItem">
import { isExternalLink, resolveRoutePath } from '@/utils'
import type { Menu } from '@/global'

const props = defineProps({
  item: {
    type: Object as () => Menu.recordRaw,
    required: true,
  },
  basePath: {
    type: String,
    default: '',
  },
  level: {
    type: Number,
    default: 2,
  },
})

const hasChildren = computed(() => {
  let flag = true
  if (props.item.children) {
    if (props.item.children.every(item => item.meta.sidebar === false)) {
      flag = false
    }
  }
  else {
    flag = false
  }
  return flag
})
</script>

<template>
  <div class="top-sidebar-item">
    <router-link v-if="!hasChildren" v-slot="{ href, navigate, isActive, isExactActive }" custom :to="resolveRoutePath(basePath, item.path || '')">
      <a :href="isExternalLink(resolveRoutePath(basePath, item.path || '')) ? resolveRoutePath(basePath, item.path || '') : href" :class="[isActive && 'router-link-active', isExactActive && 'router-link-exact-active']" :target="isExternalLink(resolveRoutePath(basePath, item.path || '')) ? '_blank' : '_self'" @click="navigate">
        <el-menu-item :title="item.meta.title" :index="resolveRoutePath(basePath, item.path || '')" :class="level === 1 ? 'first-level-menu' : ''">
          <el-icon v-if="item.meta.icon" class="title-icon">
            <svg-icon :name="item.meta.icon" />
          </el-icon>
          <span class="title">{{ item.meta.title }}</span>
        </el-menu-item>
      </a>
    </router-link>
    <el-sub-menu v-else :title="item.meta.title" :index="resolveRoutePath(basePath, item.path || '')" :class="level === 1 ? 'first-level-menu' : ''">
      <template #title>
        <el-icon v-if="item.meta.icon" class="title-icon">
          <svg-icon :name="item.meta.icon" />
        </el-icon>
        <span class="title">{{ item.meta.title }}</span>
      </template>
      <template v-for="route in item.children">
        <topMenuItem v-if="route.meta.sidebar !== false" :key="route.path" :item="route" :base-path="resolveRoutePath(basePath, item.path || '')" />
      </template>
    </el-sub-menu>
  </div>
</template>

<style lang="scss" scoped>
:deep(.el-menu-item),
:deep(.el-menu-item span.title),
:deep(.el-sub-menu__title),
:deep(.el-sub-menu__title span.title) {
  flex: 1;
  vertical-align: inherit;

  @include text-overflow;
}

:deep(.el-menu-item),
:deep(.el-sub-menu__title) {
  display: flex;
  align-items: center;
  justify-content: center;
}

:deep(.el-sub-menu),
:deep(.el-menu-item) {
  .title-icon {
    width: 20px;
    font-size: 20px;
    vertical-align: -0.25em;
    transition: transform 0.3s;
    color: unset;
  }

  .title-icon + .title {
    margin-left: 0;
  }

  &:hover > .title-icon,
  .el-sub-menu__title:hover > .title-icon {
    transform: scale(1.2);
  }
}

a {
  cursor: pointer;
  color: inherit;
  text-decoration: none;
}

.el-sub-menu__title {
  > .badge {
    &-dot {
      right: 40px;
    }

    &-text {
      right: 40px;
    }
  }
}
</style>

<style lang="scss">
.top-sidebar-item {
  .el-menu--inline {
    background-color: transparent !important;

    .el-menu-item,
    .el-sub-menu > .el-sub-menu__title {
      color: var(--g-sub-sidebar-menu-color);
      background-color: var(--g-sub-sidebar-menu-bg) !important;

      &:hover {
        color: var(--g-sub-sidebar-menu-hover-color) !important;
        background-color: var(--g-sub-sidebar-menu-hover-bg) !important;
      }
    }

    .el-menu-item.is-active,
    .el-menu--collapse .el-sub-menu.is-active > .el-sub-menu__title,
    .el-sub-menu .el-menu--inline .el-menu-item.is-active {
      color: var(--g-sub-sidebar-menu-active-color) !important;
      background-color: var(--g-sub-sidebar-menu-active-bg) !important;

      .icon,
      .el-sub-menu__icon-arrow {
        color: unset;
      }
    }
  }

  .el-menu-item,
  .el-sub-menu__title {
    color: var(--g-sub-sidebar-menu-color) !important;
    background: transparent !important;

    &:hover {
      color: var(--g-main-sidebar-menu-hover-color) !important;
      background-color: var(--g-main-sidebar-menu-hover-bg) !important;
    }
  }

  .el-menu-item.is-active,
  .el-menu--collapse .el-sub-menu.is-active > .el-sub-menu__title,
  .el-sub-menu .el-menu--inline .el-menu-item.is-active {
    color: var(--g-main-sidebar-menu-active-color) !important;
    background-color: var(--g-main-sidebar-menu-active-bg) !important;

    .icon,
    .el-sub-menu__icon-arrow {
      color: unset;
    }
  }
  // 特殊处理一级菜单样式，文字浅色，背景深色
  .first-level-menu {
    background-color: transparent !important;
    color: var(--g-main-sidebar-menu-color) !important;

    .el-sub-menu__title {
      color: var(--g-main-sidebar-menu-color) !important;
      background: transparent !important;
    }
    // 多级子菜单悬停
    &:hover {
      color: var(--g-main-sidebar-menu-hover-color) !important;
      background-color: var(--g-main-sidebar-menu-hover-bg) !important;
    }
  }

  .router-link-active {
    .first-level-menu {
      background-color: var(--g-main-sidebar-menu-hover-bg) !important;
    }
  }
}
</style>