<script lang="ts" setup>
import VueOfficePptx from '@vue-office/pptx'

const {
  params: { resource_url },
} = useRoute()

const url = computed(() => {
  return atob(resource_url as string)
})

const fileExtension = computed(() => {
  const lastDotIndex = url.value.lastIndexOf('.')
  if (lastDotIndex === -1) return ''
  return url.value.substring(lastDotIndex + 1).toLowerCase()
})

const fileType = computed(() => {
  const ext = fileExtension.value
  if (ext === 'pdf') return 'pdf'
  if (ext === 'doc' || ext === 'docx') return 'word'
  if (ext === 'ppt' || ext === 'pptx') return 'ppt'
  if (ext === 'xls' || ext === 'xlsx') return 'excel'
  if (ext === 'txt') return 'txt'
  if (ext === 'jpg' || ext === 'jpeg' || ext === 'png' || ext === 'gif')
    return 'image'
  if (ext === 'mp4' || ext === 'avi' || ext === 'mov') return 'video'
  if (ext === 'mp3' || ext === 'wav') return 'audio'
  return ''
})
</script>

<template>
  <div class="w-full h-screen">
    <div v-if="!url">
      <div class="flex items-center justify-center h-full">
        <p class="text-muted-foreground">
          资源链接无效
        </p>
      </div>
    </div>
    <div
      v-else
      class="w-full h-full"
    >
      <VueOfficePptx
        v-if="fileType === 'ppt'"
        :src="url"
        class="w-full h-full"
        :options="{
          autoSize: true,
          autoHeight: true,
          autoWidth: true,
          autoScale: true,
          autoRotate: true,
          autoFit: true,
        }"
      />
    </div>
  </div>
</template>

<style scoped></style>