<template>
  <header class="navbar">
    <SidebarButton @toggle-sidebar="$emit('toggle-sidebar')"/>

    <div class="links">
      <NavLinks class="can-hide"/>
      <AlgoliaSearchBox
        v-if="isAlgoliaSearch"
        :options="algolia"
      />
      <SearchBox v-else-if="$site.themeConfig.search !== false"/>
    </div>

    <router-link
      :to="$localePath"
      class="home-link"
    >
      <img
        class="logo"
        v-if="$site.themeConfig.logo"
        :src="$withBase($site.themeConfig.logo)"
        :alt="$siteTitle"
      >
      <span
        class="site-name"
        v-if="$siteTitle"
        :class="{ 'can-hide': $site.themeConfig.logo }"
      >{{ $siteTitle }}</span>
    </router-link>
  </header>
</template>

<script>
import SidebarButton from './SidebarButton.vue'
import AlgoliaSearchBox from '@AlgoliaSearchBox'
import SearchBox from './SearchBox.vue'
import NavLinks from './NavLinks.vue'

export default {
  components: { SidebarButton, NavLinks, SearchBox, AlgoliaSearchBox },

  computed: {
    algolia () {
      return this.$themeLocaleConfig.algolia || this.$site.themeConfig.algolia || {}
    },

    isAlgoliaSearch () {
      return this.algolia && this.algolia.apiKey && this.algolia.indexName
    }
  }
}
</script>

<style lang="less">
@import './styles/config.less';

.navbar {
  padding: 0.7rem 1.5rem;
  line-height: var(--navbarHeight) - 1.4rem;
  position: relative;
  background: var(--NvBgClr);
  color: var(--NvTClr);
  a, span, img {
    display: inline-block;
  }
  .logo {
    height: var(--navbarHeight) - 1.4rem;
    min-width: var(--navbarHeight) - 1.4rem;
    margin-right: 0.8rem;
    vertical-align: top;
  }
  .site-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--NvTClr);
    position: relative;
  }
  .links {
    font-size: 0.9rem;
    position: absolute;
    right: 1.5rem;
    top: 0.7rem;
  }
}

@media (max-width: @MQMobile) {
  .navbar {
    padding-left: 4rem;
    .can-hide {
      display: none;
    }
  }
}
</style>
