import { useState } from 'react';
import { LoadingOutlined, PlusOutlined } from '@ant-design/icons';
import { Flex, message, Upload } from 'antd';
import type { GetProp, UploadProps } from 'antd';

type FileType = Parameters<GetProp<UploadProps, 'beforeUpload'>>[0];

const getBase64 = (img: FileType, callback: (url: string) => void) => {
  const reader = new FileReader();
  reader.addEventListener('load', () => callback(reader.result as string));
  reader.readAsDataURL(img);
};

const beforeUpload = (file: FileType) => {
  const isJpgOrPng = file.type === 'image/jpeg' || file.type === 'image/png';
  if (!isJpgOrPng) {
    message.error('You can only upload JPG/PNG file!');
  }
  const isLt2M = file.size / 1024 / 1024 < 2;
  if (!isLt2M) {
    message.error('Image must smaller than 2MB!');
  }
  return isJpgOrPng && isLt2M;
};

export const AvatarUpload = () => {
  const [loading, setLoading] = useState(false);
  const [imageUrl, setImageUrl] = useState<string>();

  const handleChange: UploadProps['onChange'] = (info) => {
    if (info.file.status === 'uploading') {
      setLoading(true);
      return;
    }
    if (info.file.status === 'done') {
      // Get this url from response in real world.
      getBase64(info.file.originFileObj as FileType, (url) => {
        setLoading(false);
        setImageUrl(url);
      });
    }
  };

  const uploadButton = (
    <button style={{ border: 0, background: 'none' }} type='button'>
      {loading ? <LoadingOutlined /> : <PlusOutlined />}
      <div style={{ marginTop: 8 }}>Upload</div>
    </button>
  );
  const onAciton = async (file) => {
    console.log('file', file);
    return '';
  };
  const customAction = (file) => {
    console.log('file', file);
  }
  return (
    <Flex gap='middle' wrap>
      <Upload
        name='avatar'
        listType='picture-circle'
        className='avatar-uploader'
        multiple={false}
        showUploadList={false}
        action={onAciton}
        customRequest={customAction}
        beforeUpload={beforeUpload}
        onChange={handleChange}>
        {imageUrl ? <img src={imageUrl} alt='avatar' style={{ width: '100%' }} /> : uploadButton}
      </Upload>
    </Flex>
  );
};
