<!-- eslint-disable vue/no-v-html -->
<template>
  <div>
    <Header />

    <NuxtLayout>
      <NuxtPage />
    </NuxtLayout>

    <Footer />

    <ClientOnly>
      <LazyUDocsSearch ref="searchRef" :files="files" :navigation="navigation" />
    </ClientOnly>

    <UNotifications>
      <template #title="{ title }">
        <span v-html="title" />
      </template>

      <template #description="{ description }">
        <span v-html="description" />
      </template>
    </UNotifications>
  </div>
</template>

<script setup lang="ts">
import { withoutTrailingSlash } from 'ufo'
import { debounce } from 'perfect-debounce'

const searchRef = ref()

const route = useRoute()
const colorMode = useColorMode()
const { prefix, removePrefixFromNavigation, removePrefixFromFiles } = useContentSource()

const { data: nav } = await useAsyncData('navigation', () => fetchContentNavigation())

const { data: search } = useLazyFetch('/api/search.json', { default: () => [], server: false })

// Computed

const navigation = computed(() => {
  const navigation = nav.value.find(link => link._path === prefix.value)?.children || []

  return prefix.value === '/main' ? removePrefixFromNavigation(navigation) : navigation
})

const files = computed(() => {
  const files = search.value.filter(file => file._path.startsWith(prefix.value))

  return prefix.value === '/main' ? removePrefixFromFiles(files) : files
})

const color = computed(() => colorMode.value === 'dark' ? '#18181b' : 'white')

// Watch

watch(() => searchRef.value?.commandPaletteRef?.query, debounce((query: string) => {
  if (!query) {
    return
  }

  useTrackEvent('Search', { props: { query, results: `${searchRef.value?.commandPaletteRef.results.length}` } })
}, 500))

// Head

useHead({
  meta: [
    { name: 'viewport', content: 'width=device-width, initial-scale=1' },
    { key: 'theme-color', name: 'theme-color', content: color }
  ],
  link: [
    { rel: 'icon', type: 'image/svg+xml', href: '/icon.svg' },
    { rel: 'canonical', href: `https://ui.nuxt.com${withoutTrailingSlash(route.path)}` }
  ],
  htmlAttrs: {
    lang: 'en'
  }
})

useServerSeoMeta({
  ogSiteName: 'Nuxt UI',
  twitterCard: 'summary_large_image'
})

// Provide

provide('navigation', navigation)
provide('files', files)
</script>
