<!--
// Copyright © 2020, 2021 Anticrm Platform Contributors.
// Copyright © 2021 Hardcore Engineering Inc.
// 
// Licensed under the Eclipse Public License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License. You may
// obtain a copy of the License at https://www.eclipse.org/legal/epl-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// 
// See the License for the specific language governing permissions and
// limitations under the License.
-->

<script lang="ts">
  import type { Attachment } from '@anticrm/chunter'
  import { showPopup, closeTooltip } from '@anticrm/ui'
  import { PDFViewer, getFileUrl } from '@anticrm/presentation'
  import filesize from 'filesize'

  export let value: Attachment

  const maxLenght: number = 16
  const trimFilename = (fname: string): string => (fname.length > maxLenght)
                        ? fname.substr(0, (maxLenght - 1) / 2) + '...' + fname.substr(-(maxLenght - 1) / 2)
                        : fname

  function iconLabel(name: string): string {
    const parts = name.split('.')
    const ext = parts[parts.length - 1]
    return ext.substring(0, 4).toUpperCase()
  }

  function openEmbedded(contentType: string) {
    return contentType.includes('application/pdf') || contentType.startsWith('image/')
  }
</script>

<div class="flex-row-center">
  {#if openEmbedded(value.type)}
    <div class="flex-center icon" on:click={()=> { closeTooltip(); showPopup(PDFViewer, { file: value.file }, 'right') }}>{iconLabel(value.name)}</div>
  {:else}
    <a class="no-line" href={getFileUrl(value.file)} download={value.name}><div class="flex-center icon">{iconLabel(value.name)}</div></a>
  {/if}
  <div class="flex-col info">
    {#if openEmbedded(value.type)}
      <div class="name" on:click={()=> { closeTooltip(); showPopup(PDFViewer, { file: value.file }, 'right') }}>{trimFilename(value.name)}</div>
    {:else}
      <div class="name"><a href={getFileUrl(value.file)} download={value.name}>{trimFilename(value.name)}</a></div> 
    {/if}
    <div class="type">{filesize(value.size)}</div>
  </div>
</div>

<style lang="scss">
  .icon {
    flex-shrink: 0;
    margin-right: 1rem;
    width: 2rem;
    height: 2rem;
    font-weight: 500;
    font-size: .625rem;
    color: var(--primary-button-color);
    background-color: var(--primary-button-enabled);
    border: 1px solid rgba(0, 0, 0, .1);
    border-radius: .5rem;
    cursor: pointer;
  }

  .name {
    font-weight: 500;
    color: var(--theme-content-accent-color);
    white-space: nowrap;
    cursor: pointer;
  }

  .type {
    font-size: .75rem;
    color: var(--theme-content-dark-color);
  }

  .name:hover, .icon:hover + .info > .name, .no-line:hover + .info > .name a {
    text-decoration: underline;
    color: var(--theme-caption-color);
  }
  .name:active, .icon:active + .info > .name, .no-line:active + .info > .name a {
    text-decoration: underline;
    color: var(--theme-content-accent-color);
  }
</style>
