import SvgIcon from '@/components/SvgIcon'
import { iFile, iOSSData } from '@/types/file'
import { apiGetFileList, apiSaveFileInfo, getSignature } from '@/utils/common/api'
import consts from '@/utils/consts'
import { dayjsFormat } from '@/utils/util'
import { InboxOutlined } from '@ant-design/icons'
import { message, Modal, Table, Upload } from 'antd'
import { ColumnsType } from 'antd/lib/table'
import { UploadChangeParam } from 'antd/lib/upload'
import { UploadFile } from 'antd/lib/upload/interface'
import React, { useEffect, useState } from 'react'
import { ZhCloseButton } from '../Button'
const { Dragger } = Upload
interface iFileModalProps {
  dataId: string
  visible: boolean
  dataType: number
  onCancel: () => void
  showUpload?: boolean
  uploadCallBack?: () => void
}
interface iFileModalState {
  id: string
  filename: string
  filepath: string
  accountName: string
  createTime: string
}
interface FileTable {
  data: iFileModalState[]
  total: number
}
export default function FileModal(props: iFileModalProps) {
  const { dataId = "", visible = false, onCancel, dataType = 1, showUpload = false, uploadCallBack } = props
  const [ files, setFiles ] = useState<FileTable>({
    data: [],
    total: 0
  })
  const [ fileList, setFileList ] = useState<UploadFile[]>([])
  const [ OSSData, setOssData ] = useState<iOSSData>({
    dir: '',
    expire: '',
    host: '',
    accessId: '',
    policy: '',
    signature: ''
  })
  const [ uidArr, setUidArr ] = useState<string[]>([])
  useEffect(() => {
    if (props.visible) {
      initOssData()
      initData()
    }
  }, [ visible ])
  const initData = async (pageNo: number = 1, pageSize: number = consts.PAGE_SIZE) => {
    const { code = -1, data = [], total = 0 } = await apiGetFileList(dataType, dataId, pageNo, pageSize)
    if (code === consts.RET_CODE.SUCCESS) {
      setFiles({ ...files, data, total })
      setFileList([])
      setUidArr([])
    }
  }

  const saveFiles = async (newFileList: iFile[]) => {
    const { code = -1 } = await apiSaveFileInfo(newFileList, dataType, dataId)
    if (code === consts.RET_CODE.SUCCESS) {
      initData()
      uploadCallBack && uploadCallBack()
    }
  }

  useEffect(() => {
    if (uidArr.length && uidArr.length === fileList.length) {
      saveFiles(fileList.filter(file => file.status === 'done').map(file => ({
        createTime: new Date(),
        filepath: file.url,
        filename: file.name
      })))
    }
  }, [ uidArr ])
  // 上传文件改变时的状态
  const onChange = async (info: UploadChangeParam) => {
    const { status } = info.file
    // if (status !== 'uploading') {
    // }
    if (status === 'done') {
      setUidArr([ ...uidArr, info.file.uid ])
    } else if (status === 'error') {
      // message.error(`${info.file.name} 上传失败`)
    }
    setFileList(info.fileList)
  }


  // 初始化、获取签名
  const initOssData = async () => {
    try {
      const { code = -1, data = {} } = await getSignature()
      if (code === consts.RET_CODE.SUCCESS) {
        setOssData({ ...OSSData, ...data })
      } else {
        message.error("获取签名失败，请联系管理员")

      }
    } catch (error) {
      message.error(error)
    }
  }

  // 额外参数、oss签名
  const getExtraData = (file: UploadFile) => {
    return {
      key: file.url,
      OSSAccessKeyId: OSSData.accessId,
      policy: OSSData.policy,
      signature: OSSData.signature
    }
  }


  // 上传前的回调
  const beforeUpload = async (file: any) =>  {

    const { UPLOAD_LIMIT } = consts
    const isLt30M = file.size / 1024 / 1024 < UPLOAD_LIMIT

    if (!isLt30M) {
      file.status = 'error'
      message.error("上传附件大小限制在30MB")
      return false
    }
    const expire = parseInt(OSSData.expire) * 1000
    if (expire < Date.now()) {
      try {
        await initOssData()
      } catch (error) {
        file.status = 'error'
        return false
      }
    }

    const reg = new RegExp(consts.UPLOAD_WHITE)
    if (!reg.test(file.name)) {
      file.status = 'error'
      message.error('不支持该类型文件')
      return false
    }

    file.url = OSSData.dir + file.name
    return Promise.resolve(file)
  }

  // 移除文件
  const onRemove = (file: any) => {
    console.log(file)

  }
  const columns: ColumnsType<iFileModalState> = [
    {
      title: "文件名",
      dataIndex: "filepath",
      width: 287,
      onCell: () => {
        return {
          style: {
            maxWidth: 287,
            overflow: 'hidden',
            whiteSpace: 'nowrap',
            textOverflow: 'ellipsis',
            cursor: 'pointer'
          }
        }
      },
      // eslint-disable-next-line react/display-name
      render: (path: string, record: iFileModalState) => <a href={consts.OSS_PATH.REVIEW + path} target="_blank" rel="noopener noreferrer">{record.filename}</a>
    },
    {
      title: "上传人",
      dataIndex: "accountName"
    },
    {
      title: "上传时间",
      dataIndex: "createTime",
      // eslint-disable-next-line react/display-name
      render: text => <span>{dayjsFormat(text, "YYYY-MM-DD")}</span>
    },
    {
      title: "操作",
      align: "center",
      // eslint-disable-next-line react/display-name
      render: (_, record) => <a href={consts.OSS_PATH.DOWNLOAD + record.filepath} download><SvgIcon type="xxh-download" /></a>
    }
  ]
  return (
    <Modal
      title="附件"
      getContainer={false}
      visible={visible}
      onCancel={onCancel}
      footer={<ZhCloseButton onClick={() => onCancel()} size="small">关闭</ZhCloseButton>}
    >
      {
        showUpload ?
          <div className="pi-mg-bottom-10">
            <Dragger
              name="file"
              fileList={fileList}
              action={OSSData.host}
              multiple={true}
              onChange={onChange}
              maxCount={10}
              beforeUpload={beforeUpload}
              data={getExtraData}
              showUploadList={false}
              onRemove={onRemove}
            >
              <p className="ant-upload-drag-icon">
                <InboxOutlined />
              </p>
              <p className="ant-upload-text">把文件拖入指定区域，完成上传，同样支持点击上传。</p>
              <p className="ant-upload-hint">
                支持单文件/多文件上传。附件大小最大为30MB！
                </p>
            </Dragger>
          </div>
          : ''
      }
      <Table
        dataSource={files.data}
        columns={columns}
        rowKey={record => record.id}
        bordered
        pagination={{
          hideOnSinglePage: true,
          size: "small",
          pageSize: consts.PAGE_SIZE,
          onChange: (page, pageSize) => initData(page, pageSize),
          total: files.total
        }}
      />
    </Modal>
  )
}