const iconConfig = [
  {
    type: ['', undefined, null],
    mime: '',
    icon: '/devTools/page/static/fileSys/weizhiwenjian.png',
  },
  {
    type: ['dwg'],
    mime: 'dwg',
    icon: '/devTools/page/static/fileSys/DWG.png',
  },
  {
    type: ['xls', 'xlsx', 'csv'],
    mime: 'xls',
    icon: '/devTools/page/static/fileSys/excel.png',
  },
  {
    type: ['exe'],
    mime: 'exe',
    icon: '/devTools/page/static/fileSys/EXE.png',
  },
  {
    type: ['gif'],
    mime: 'gif',
    icon: '/devTools/page/static/fileSys/GIF.png',
  },
  {
    type: ['html'],
    mime: 'html',
    icon: '/devTools/page/static/fileSys/HTML.png',
  },
  {
    type: ['pdf'],
    mime: 'pdf',
    icon: '/devTools/page/static/fileSys/pdf.png',
  },
  {
    type: ['ppt'],
    mime: 'ppt',
    icon: '/devTools/page/static/fileSys/pptl.png',
  },
  {
    type: ['psd'],
    mime: 'psd',
    icon: '/devTools/page/static/fileSys/PSD.png',
  },
  {
    type: ['rvt'],
    mime: 'rvt',
    icon: '/devTools/page/static/fileSys/RVT.png',
  },
  {
    type: ['mp4', 'avi', 'wmv', 'mpg', 'mpeg', 'mov', 'flv', '3gp', 'mp3gp', 'mkv', 'rmvb'],
    mime: 'mp4',
    icon: '/devTools/page/static/fileSys/shipin.png',
  },
  {
    type: ['skp'],
    mime: 'skp',
    icon: '/devTools/page/static/fileSys/SKP.png',
  },
  {
    type: ['svg'],
    mime: 'svg',
    icon: '/devTools/page/static/fileSys/SVG.png',
  },
  {
    type: ['png', 'jpeg', 'jpg', 'webp', 'bmp'],
    mime: 'img',
    icon: '/devTools/page/static/fileSys/tupian.png',
  },
  {
    type: ['txt', 'sql', 'js', 'css', 'log', 'json'],
    mime: 'txt',
    icon: '/devTools/page/static/fileSys/txt.png',
  },
  {
    type: ['word'],
    mime: 'word',
    icon: '/devTools/page/static/fileSys/word.png',
  },
  {
    type: ['zip', 'rar', 'gz', '7z'],
    mime: 'zip',
    icon: '/devTools/page/static/fileSys/yasuo.png',
  },
  {
    type: ['mp3', 'wma', 'wav', 'aac', 'flac'],
    mime: '',
    icon: '/devTools/page/static/fileSys/yinpin.png',
  },
]

export default {
  /**
   * 获取文件和目录列表
   */
  getDirFileList(path) {
    return new Promise((yes) => {
      // #ifdef APP-PLUS
      plus.io.resolveLocalFileSystemURL(
        path,
        function (entry) {
          if (entry.isDirectory) {
            let reader = entry.createReader()
            reader.readEntries(
              async (entries) => {
                let dirList = []
                let fileList = []
                for (let i = 0; i < entries.length; i++) {
                  /**
                   * @type {PlusIoDirectoryEntry}
                   */
                  const item = entries[i]
                  let meta = await getMetaData(item)
                  let row = {
                    type: item.isDirectory ? 'dir' : 'file',
                    name: item.name,
                    fileType: getFileType(item.name),
                    ...meta,
                  }
                  if (item.isDirectory) {
                    dirList.push(row)
                  } else {
                    fileList.push(row)
                  }
                }

                dirList = dirList.sort((a, b) => a.time > b.time)
                fileList = fileList.sort((a, b) => a.time > b.time)

                yes([...dirList, ...fileList])
              },
              (e) => {
                console.log('readEntries error', e)
                uni.showToast({
                  title: '文件读取失败: ' + e.message,
                  icon: 'none',
                })
                yes([])
              },
            )
          } else {
            uni.showToast({
              title: '路径读取失败_b',
              icon: 'none',
            })
            yes([])
          }
        },
        () => {
          uni.showToast({
            title: '路径读取失败_a',
            icon: 'none',
          })
          yes([])
        },
      )
      // #endif
    })
  },
  /**
   * 获取文件图片
   */
  getFileIcon(type) {
    for (let i = 0; i < iconConfig.length; i++) {
      const item = iconConfig[i]
      for (let _i = 0; _i < item.type.length; _i++) {
        const typeName = item.type[_i]
        if (type == typeName) {
          return item.icon
        }
      }
    }
    return '/devTools/page/static/fileSys/weizhiwenjian.png'
  },
}

/**
 * @param {PlusIoDirectoryEntry} entry
 */
function getMetaData(entry) {
  return new Promise((yes) => {
    entry.getMetadata(
      function (metadata) {
        yes({
          size: metadata.size,
          time: metadata.modificationTime.getTime(),
          fileCount: metadata.fileCount,
          directoryCount: metadata.directoryCount,
        })
      },
      function () {
        yes({
          size: 0,
          time: 0,
          fileCount: 0,
          directoryCount: 0,
        })
      },
    )
  })
}

function getFileType(name) {
  if (typeof name == 'string') {
    let tList = name.split('.')
    if (tList.length > 1) {
      return tList.pop().toLocaleLowerCase()
    } else {
      return ''
    }
  } else {
    return ''
  }
}