import { IconButton, Pagination } from '@rocket.chat/fuselage';
import { useDebouncedValue, useStableCallback } from '@rocket.chat/fuselage-hooks';
import {
	GenericTable,
	GenericTableHeader,
	GenericTableHeaderCell,
	GenericTableRow,
	GenericTableCell,
	GenericTableBody,
	GenericTableLoadingTable,
	usePagination,
	useSort,
} from '@rocket.chat/ui-client';
import { useTranslation, useRouter } from '@rocket.chat/ui-contexts';
import { hashKey } from '@tanstack/react-query';
import { useMemo, useState } from 'react';

import { useRemoveCustomField } from './useRemoveCustomField';
import FilterByText from '../../../components/FilterByText';
import GenericNoResults from '../../../components/GenericNoResults';
import { links } from '../../../lib/links';
import { useCustomFieldsQuery } from '../hooks/useCustomFieldsQuery';

const CustomFieldsTable = () => {
	const t = useTranslation();
	const router = useRouter();
	const [text, setText] = useState('');

	const { current, itemsPerPage, setItemsPerPage: onSetItemsPerPage, setCurrent: onSetCurrent, ...paginationProps } = usePagination();
	const { sortBy, sortDirection, setSort } = useSort<'_id' | 'label' | 'scope' | 'visibility'>('_id');

	const handleAddNew = useStableCallback(() => router.navigate('/omnichannel/customfields/new'));
	const onRowClick = useStableCallback((id: string) => () => router.navigate(`/omnichannel/customfields/edit/${id}`));

	const handleDelete = useRemoveCustomField();

	const query = useDebouncedValue(
		useMemo(
			() => ({
				text,
				sort: `{ "${sortBy}": ${sortDirection === 'asc' ? 1 : -1} }`,
				...(itemsPerPage && { count: itemsPerPage }),
				...(current && { offset: current }),
			}),
			[text, itemsPerPage, current, sortBy, sortDirection],
		),
		500,
	);

	const { data, isSuccess, isLoading } = useCustomFieldsQuery();

	const [defaultQuery] = useState(hashKey([query]));
	const queryHasChanged = defaultQuery !== hashKey([query]);

	const headers = (
		<>
			<GenericTableHeaderCell key='field' direction={sortDirection} active={sortBy === '_id'} onClick={setSort} sort='_id'>
				{t('Field')}
			</GenericTableHeaderCell>
			<GenericTableHeaderCell key='label' direction={sortDirection} active={sortBy === 'label'} onClick={setSort} sort='label'>
				{t('Label')}
			</GenericTableHeaderCell>
			<GenericTableHeaderCell key='scope' direction={sortDirection} active={sortBy === 'scope'} onClick={setSort} sort='scope'>
				{t('Scope')}
			</GenericTableHeaderCell>
			<GenericTableHeaderCell
				key='visibility'
				direction={sortDirection}
				active={sortBy === 'visibility'}
				onClick={setSort}
				sort='visibility'
			>
				{t('Visibility')}
			</GenericTableHeaderCell>
			<GenericTableHeaderCell key='remove' width='x60' />
		</>
	);

	return (
		<>
			{((isSuccess && data?.customFields.length > 0) || queryHasChanged) && (
				<FilterByText value={text} onChange={(event) => setText(event.target.value)} />
			)}
			{isLoading && (
				<GenericTable>
					<GenericTableHeader>{headers}</GenericTableHeader>
					<GenericTableBody>
						<GenericTableLoadingTable headerCells={5} />
					</GenericTableBody>
				</GenericTable>
			)}
			{isSuccess && data.customFields.length === 0 && queryHasChanged && <GenericNoResults />}
			{isSuccess && data.customFields.length === 0 && !queryHasChanged && (
				<GenericNoResults
					icon='file-sheets'
					title={t('No_custom_fields_yet')}
					description={t('No_custom_fields_yet_description')}
					buttonAction={handleAddNew}
					buttonTitle={t('Create_custom_field')}
					linkHref={links.go.omnichannelDocs}
					linkText={t('Learn_more_about_custom_fields')}
				/>
			)}

			{isSuccess && data.customFields.length > 0 && (
				<>
					<GenericTable aria-label={t('Custom_Fields')} aria-busy={isLoading} aria-live='polite'>
						<GenericTableHeader>{headers}</GenericTableHeader>
						<GenericTableBody>
							{data.customFields.map(({ label, _id, scope, visibility }) => (
								<GenericTableRow key={_id} tabIndex={0} onClick={onRowClick(_id)} action>
									<GenericTableCell withTruncatedText>{_id}</GenericTableCell>
									<GenericTableCell withTruncatedText>{label}</GenericTableCell>
									<GenericTableCell withTruncatedText>{scope === 'visitor' ? t('Visitor') : t('Room')}</GenericTableCell>
									<GenericTableCell withTruncatedText>{visibility === 'visible' ? t('Visible') : t('Hidden')}</GenericTableCell>
									<GenericTableCell withTruncatedText>
										<IconButton
											icon='trash'
											small
											title={t('Remove')}
											onClick={(e) => {
												e.stopPropagation();
												handleDelete(_id);
											}}
										/>
									</GenericTableCell>
								</GenericTableRow>
							))}
						</GenericTableBody>
					</GenericTable>
					<Pagination
						divider
						current={current}
						itemsPerPage={itemsPerPage}
						count={data.total || 0}
						onSetItemsPerPage={onSetItemsPerPage}
						onSetCurrent={onSetCurrent}
						{...paginationProps}
					/>
				</>
			)}
		</>
	);
};

export default CustomFieldsTable;