import React, { useState } from 'react';
import { ConfigProvider, Space, Switch, Table, Tag, Transfer } from 'antd';
import type { GetProp, TableColumnsType, TableProps, TransferProps } from 'antd';
import difference from 'lodash/difference';

type TableRowSelection<T> = TableProps<T>['rowSelection'];

type TransferItem = GetProp<TransferProps, 'dataSource'>[number];

interface RecordType {
  key: string;
  title: string;
  description: string;
  disabled: boolean;
  tag: string;
}

interface DataType {
  key: string;
  title: string;
  description: string;
  disabled: boolean;
  tag: string;
}

interface TableTransferProps extends TransferProps<TransferItem> {
  dataSource: DataType[];
  leftColumns: TableColumnsType<DataType>;
  rightColumns: TableColumnsType<DataType>;
}

// Customize Table Transfer
const TableTransfer = ({ leftColumns, rightColumns, ...restProps }: TableTransferProps) => (
  <Transfer {...restProps}>
    {({
      direction,
      filteredItems,
      onItemSelectAll,
      onItemSelect,
      selectedKeys: listSelectedKeys,
      disabled: listDisabled,
    }) => {
      const columns = direction === 'left' ? leftColumns : rightColumns;

      const rowSelection: TableRowSelection<TransferItem> = {
        getCheckboxProps: (item) => ({ disabled: listDisabled || item.disabled }),
        onSelectAll(selected, selectedRows) {
          const treeSelectedKeys = selectedRows
            .filter((item) => !item.disabled)
            .map(({ key }) => key);
          const diffKeys = selected
            ? difference(treeSelectedKeys, listSelectedKeys)
            : difference(listSelectedKeys, treeSelectedKeys);
          onItemSelectAll(diffKeys as string[], selected);
        },
        onSelect({ key }, selected) {
          onItemSelect(key as string, selected);
        },
        selectedRowKeys: listSelectedKeys,
      };

      return (
        <Table
          rowSelection={rowSelection}
          columns={columns}
          dataSource={filteredItems}
          size="small"
          style={{ pointerEvents: listDisabled ? 'none' : undefined }}
          onRow={({ key, disabled: itemDisabled }) => ({
            onClick: () => {
              if (itemDisabled || listDisabled) return;
              onItemSelect(key as string, !listSelectedKeys.includes(key as string));
            },
          })}
        />
      );
    }}
  </Transfer>
);

const mockTags = ['cat', 'dog', 'bird'];

const mockData: RecordType[] = Array.from({ length: 20 }).map((_, i) => ({
  key: i.toString(),
  title: `content${i + 1}`,
  description: `description of content${i + 1}`,
  disabled: i % 4 === 0,
  tag: mockTags[i % 3],
}));

const leftTableColumns: TableColumnsType<DataType> = [
  {
    dataIndex: 'title',
    title: 'Name',
  },
  {
    dataIndex: 'tag',
    title: 'Tag',
    render: (tag) => <Tag>{tag}</Tag>,
  },
  {
    dataIndex: 'description',
    title: 'Description',
  },
];

const rightTableColumns: TableColumnsType<DataType> = [
  {
    dataIndex: 'title',
    title: 'Name',
  },
];

const initialTargetKeys = mockData.filter((item) => Number(item.key) > 10).map((item) => item.key);

const App: React.FC = () => {
  const [targetKeys, setTargetKeys] = useState<React.Key[]>(initialTargetKeys);
  const [selectedKeys, setSelectedKeys] = useState<React.Key[]>([]);

  const onChange: TransferProps['onChange'] = (nextTargetKeys, direction, moveKeys) => {
    console.log('targetKeys:', nextTargetKeys);
    console.log('direction:', direction);
    console.log('moveKeys:', moveKeys);
    setTargetKeys(nextTargetKeys);
  };

  const onSelectChange: TransferProps['onSelectChange'] = (
    sourceSelectedKeys,
    targetSelectedKeys,
  ) => {
    console.log('sourceSelectedKeys:', sourceSelectedKeys);
    console.log('targetSelectedKeys:', targetSelectedKeys);
    setSelectedKeys([...sourceSelectedKeys, ...targetSelectedKeys]);
  };

  const onScroll: TransferProps['onScroll'] = (direction, e) => {
    console.log('direction:', direction);
    console.log('target:', e.target);
  };

  const [disabled, setDisabled] = useState(false);
  const [showSearch, setShowSearch] = useState(false);

  const secondOnChange: TransferProps['onChange'] = (nextTargetKeys) => {
    setTargetKeys(nextTargetKeys);
  };

  const triggerDisable = (checked: boolean) => {
    setDisabled(checked);
  };

  const triggerShowSearch = (checked: boolean) => {
    setShowSearch(checked);
  };

  return (
    <ConfigProvider
      theme={{
        components: {
          Transfer: {
            listWidth: 40,
            listWidthLG: 50,
            listHeight: 30,
            itemHeight: 20,
            itemPaddingBlock: 10,
            headerHeight: 18,
          },
        },
      }}
    >
      <Transfer
        dataSource={mockData}
        titles={['Source', 'Target']}
        targetKeys={targetKeys}
        selectedKeys={selectedKeys}
        onChange={onChange}
        onSelectChange={onSelectChange}
        onScroll={onScroll}
        render={(item) => item.title}
      />
      <Transfer status="error" />
      <Transfer status="warning" showSearch />
      <TableTransfer
        dataSource={mockData}
        targetKeys={targetKeys}
        disabled={disabled}
        showSearch={showSearch}
        onChange={secondOnChange}
        filterOption={(inputValue, item) =>
          item.title!.indexOf(inputValue) !== -1 || item.tag.indexOf(inputValue) !== -1
        }
        leftColumns={leftTableColumns}
        rightColumns={rightTableColumns}
      />
      <Space style={{ marginTop: 16 }}>
        <Switch
          unCheckedChildren="disabled"
          checkedChildren="disabled"
          checked={disabled}
          onChange={triggerDisable}
        />
        <Switch
          unCheckedChildren="showSearch"
          checkedChildren="showSearch"
          checked={showSearch}
          onChange={triggerShowSearch}
        />
      </Space>
    </ConfigProvider>
  );
};

export default App;