import { Upload, Button, Icon } from 'antd';

class MyUpload extends React.Component {
  state = {
    fileList: [
      {
        uid: '-1',
        name: 'xxx.png',
        status: 'done',
        url: 'http://www.baidu.com/xxx.png'
      }
    ]
  };

  handleChange = info => {
    let fileList = info.fileList;

    // 1. Limit the number of uploaded files
    // Only to show two recent uploaded files, and old ones will be replaced by the new
    fileList = fileList.slice(-2);

    // 2. Read from response and show file link
    fileList = fileList.map(file => {
      if (file.response) {
        // Component will show file.url as link
        file.url = file.response.url;
      }
      return file;
    });

    // 3. Filter successfully uploaded files according to response from server
    fileList = fileList.filter(file => {
      if (file.response) {
        return file.response.status === 'success';
      }
      return true;
    });

    this.setState({ fileList });
  };

  render() {
    const props = {
      action: '//jsonplaceholder.typicode.com/posts/',
      onChange: this.handleChange,
      multiple: true
    };
    return (
      <Upload {...props} fileList={this.state.fileList}>
        <Button>
          <Icon type="upload" /> Upload
        </Button>
      </Upload>
    );
  }
}

export default MyUpload;
