import { Flex, Hide, Show, Skeleton, Text } from '@chakra-ui/react';
import BigNumber from 'bignumber.js';
import React from 'react';

import appConfig from 'configs/app/config';
import useApiQuery from 'lib/api/useApiQuery';
import getCurrencyValue from 'lib/getCurrencyValue';
import useIsMobile from 'lib/hooks/useIsMobile';
import { generateListStub } from 'stubs/utils';
import { WITHDRAWAL } from 'stubs/withdrawals';
import ActionBar from 'ui/shared/ActionBar';
import DataListDisplay from 'ui/shared/DataListDisplay';
import PageTitle from 'ui/shared/Page/PageTitle';
import Pagination from 'ui/shared/pagination/Pagination';
import useQueryWithPages from 'ui/shared/pagination/useQueryWithPages';
import WithdrawalsListItem from 'ui/withdrawals/WithdrawalsListItem';
import WithdrawalsTable from 'ui/withdrawals/WithdrawalsTable';

const Withdrawals = () => {
  const isMobile = useIsMobile();

  const { data, isError, isPlaceholderData, pagination } = useQueryWithPages({
    resourceName: 'withdrawals',
    options: {
      placeholderData: generateListStub<'withdrawals'>(WITHDRAWAL, 50, { next_page_params: {
        index: 5,
        items_count: 50,
      } }),
    },
  });

  const countersQuery = useApiQuery('withdrawals_counters');

  const content = data?.items ? (
    <>
      <Show below="lg" ssr={ false }>
        { data.items.map(((item, index) => (
          <WithdrawalsListItem
            key={ item.index + (isPlaceholderData ? String(index) : '') }
            item={ item }
            view="list"
            isLoading={ isPlaceholderData }
          />
        ))) }
      </Show>
      <Hide below="lg" ssr={ false }>
        <WithdrawalsTable items={ data.items } view="list" top={ pagination.isVisible ? 80 : 0 } isLoading={ isPlaceholderData }/>
      </Hide>
    </>
  ) : null;

  const text = (() => {
    if (countersQuery.isLoading) {
      return (
        <Skeleton
          w={{ base: '100%', lg: '320px' }}
          h="24px"
          mb={{ base: 6, lg: pagination.isVisible ? 0 : 7 }}
          mt={{ base: 0, lg: pagination.isVisible ? 0 : 7 }}
        />
      );
    }

    if (countersQuery.isError) {
      return null;
    }

    const { valueStr } = getCurrencyValue({ value: countersQuery.data.withdrawal_sum });
    return (
      <Text mb={{ base: 6, lg: pagination.isVisible ? 0 : 6 }} lineHeight={{ base: '24px', lg: '32px' }}>
        { BigNumber(countersQuery.data.withdrawal_count).toFormat() } withdrawals processed and { valueStr } { appConfig.beaconChain.currencySymbol } withdrawn
      </Text>
    );
  })();

  const actionBar = (
    <>
      { (isMobile || !pagination.isVisible) && text }
      { pagination.isVisible && (
        <ActionBar mt={ -6 }>
          <Flex alignItems="center" justifyContent="space-between" w="100%">
            { !isMobile && text }
            <Pagination ml="auto" { ...pagination }/>
          </Flex>
        </ActionBar>
      ) }
    </>
  );

  return (
    <>
      <PageTitle title="Withdrawals" withTextAd/>
      <DataListDisplay
        isError={ isError }
        items={ data?.items }
        emptyText="There are no withdrawals."
        content={ content }
        actionBar={ actionBar }
      />
    </>
  );
};

export default Withdrawals;
