'use client'

import { useHistoryView, HistoryViewItem } from '@/app/hooks/react-query/useHistoryView';
import { useEffect, useState, useMemo } from 'react';
import { IconDoubleArrowRight, IconArrowRight, IconDoubleArrowLeft, IconArrowLeft, IconArrowUp, IconArrowDown, IconFilter } from '@/app/ui/icons/icons';
import DropDownList from '@/app/components/DropDownList';
import { useReactTable, getCoreRowModel, getSortedRowModel, getPaginationRowModel, SortingState, ColumnDef } from '@tanstack/react-table';
import { formatDate, formatDateTime } from '@/app/lib/formatDate';
import { useTranslations } from 'next-intl';
import { useViewport } from '@/app/hooks/useViewport';
import { useLocale } from 'next-intl';

export function TrackingHistoryView() {
	const [pagination, setPagination] = useState({
		pageIndex: 0,
		pageSize: 10,
	});
	const [sorting, setSorting] = useState<SortingState>([]);
	const t = useTranslations('Global');
	const locale = useLocale();

	const getSortParams = useMemo(() => {
		if (sorting.length === 0) {
			return { sortBy: '', sortOrder: undefined };
		}

		const sort = sorting[0];
		const sortByMap: Record<string, string> = {
			'document': 'docName',
			'view_date': 'createdAt',
			'viewer': 'viewerName',
			'location': locale === 'ru' ? 'geoNameRu' : 'geoNameEn'
		};

		return {
			sortBy: sortByMap[sort.id] || sort.id,
			sortOrder: sort.desc ? 'desc' : 'asc' as 'desc' | 'asc'
		};
	}, [sorting]);

	const {
		data: apiResponse,
		isLoading,
		isFetching,
		isError,
		error,
		refetch
	} = useHistoryView(pagination.pageIndex, pagination.pageSize, locale, getSortParams.sortOrder, getSortParams.sortBy);

	const totalElements = apiResponse?.totalElements || 0
	const tableData = apiResponse?.history || [];
	const totalPages = apiResponse?.totalPages || 0;

	const viewport = useViewport();

	const getMaxLengthByWidth = (): number => {
		if (viewport.device === 'MOBILE') return 22;
		if (viewport.device === 'TABLET') return 30;
		if (viewport.device === 'DESKTOP') return 50;
		return 100;
	};

	const cutFileName = (fileName: string) => {
		const MAX_FILE_NAME_LENGTH = getMaxLengthByWidth();
		const lastDotIndex = fileName.lastIndexOf('.');

		if (lastDotIndex <= 0) {
			return fileName.length > MAX_FILE_NAME_LENGTH ? fileName.substring(0, MAX_FILE_NAME_LENGTH - 3) + '...' : fileName;
		}

		const nameWithoutExtension = fileName.substring(0, lastDotIndex);
		const extension = fileName.substring(lastDotIndex);

		if (fileName.length <= MAX_FILE_NAME_LENGTH) {
			return fileName;
		}

		const maxNameLength = MAX_FILE_NAME_LENGTH - extension.length - 3;

		if (maxNameLength <= 0) {
			return '...';
		}

		return nameWithoutExtension.substring(0, maxNameLength) + '...';
	}

	function EditLocationName({ location }: { location: string | undefined | null }) {
		if (!location) return (
			<div></div>
		);

		const [city, country] = location.split('/');

		const translatedCity = city === 'unknow' ? t('not-defined-city') : city;
		const translatedCountry = country === 'unknow' ? t('not-defined-country') : country;

		return (
			<div>
				{t('city')}: <strong title={translatedCity}>{translatedCity}</strong>
				<br />
				{t('country')}: <strong title={translatedCountry}>{translatedCountry}</strong>
			</div>
		);
	}

	const columns = useMemo<ColumnDef<HistoryViewItem>[]>(
		() => [
			{
				accessorKey: 'document',
				header: ({ column }) => (
					<div className="column">
						<span>
							{t('document')}
						</span>
						<button
							onClick={() => column.toggleSorting(column.getIsSorted() === 'asc')}
							className="sort-button"
						>
							{
								column.getIsSorted() === 'asc' ?
									<span>
										<IconArrowUp />
									</span>
									: column.getIsSorted() === 'desc' ?
										<span>
											<IconArrowDown />
										</span>
										: <span>
											<IconFilter />
										</span>
							}
						</button>
					</div>
				),
				cell: ({ row }) => (
					<div className="text-center table-item">
						{row.original.document}
					</div>
				),
			},
			{
				accessorKey: 'view_date',
				header: ({ column }) => (
					<div className="column">
						<span>
							{t('date')} / {t('time')}
						</span>
						<button
							onClick={() => column.toggleSorting(column.getIsSorted() === 'asc')}
							className="sort-button"
						>
							{
								column.getIsSorted() === 'asc' ?
									<span>
										<IconArrowUp />
									</span>
									: column.getIsSorted() === 'desc' ?
										<span>
											<IconArrowDown />
										</span>
										: <span>
											<IconFilter />
										</span>
							}
						</button>
					</div>
				),
				cell: ({ row }) => {
					return (
						<div className="text-center table-item">
							{row.original.view_date ? (
								<>
									{formatDate(row.original.view_date)}
									<br />
									{formatDateTime(row.original.view_date)}
									<br />
								</>
							) : (
								<div>-</div>
							)}
						</div>
					)
				},
				enableColumnFilter: false,
			},
			{
				accessorKey: 'viewer',
				header: ({ column }) => (
					<div className="column">
						<span>
							{t('who-opened')}
						</span>
						<button
							onClick={() => column.toggleSorting(column.getIsSorted() === 'asc')}
							className="sort-button"
						>
							{
								column.getIsSorted() === 'asc' ?
									<span>
										<IconArrowUp />
									</span>
									: column.getIsSorted() === 'desc' ?
										<span>
											<IconArrowDown />
										</span>
										: <span>
											<IconFilter />
										</span>
							}
						</button>
					</div>
				),
				cell: ({ row }) => {
					return (
						<div className="text-center font-semibold table-item">
							{row.original.viewer}
						</div>
					)
				},
			},
			{
				accessorKey: 'location',
				header: ({ column }) => (
					<div className="column column-location">
						<span>
							{t('location')}
						</span>
						<button
							onClick={() => column.toggleSorting(column.getIsSorted() === 'asc')}
							className="sort-button"
						>
							{
								column.getIsSorted() === 'asc' ?
									<span>
										<IconArrowUp />
									</span>
									: column.getIsSorted() === 'desc' ?
										<span>
											<IconArrowDown />
										</span>
										: <span>
											<IconFilter />
										</span>
							}
						</button>
					</div>
				),
				cell: ({ row }) => {
					return (
						<div className="text-center font-semibold table-item column-location">
							{row.original.country === 'unknow/unknow' ? (
								t('not-defined')
							) : (
								<EditLocationName location={row.original.country} />
							)}
						</div>
					)
				},
			}
		],
		[]
	);

	// Создание таблицы
	const table = useReactTable({
		data: tableData,
		columns,
		state: {
			sorting,
			pagination
		},
		pageCount: totalPages,
		manualPagination: true,
		manualSorting: true,
		manualFiltering: true,
		onPaginationChange: setPagination,
		onSortingChange: (updater) => {
			const newSorting = typeof updater === 'function' ? updater(sorting) : updater;
			setSorting(newSorting);
			setPagination(prev => ({ ...prev, pageIndex: 0 }));
		},
		getCoreRowModel: getCoreRowModel(),
		getSortedRowModel: getSortedRowModel(),
		getPaginationRowModel: getPaginationRowModel(),
	});

	useEffect(() => {
		if (tableData.length === 0 && pagination.pageIndex > 0 && totalPages > 0) {
			setPagination(prev => ({ ...prev, pageIndex: Math.max(0, totalPages - 1) }));
		}
	}, [tableData, pagination.pageIndex, totalPages]);

	return (
		<div
			className="block-wrapper"
		>
			<div className="tanstak-table-wrapper">

				{/* Фильтры */}
				<div className="tanstak-table-filtres">
					<h3
						className="tanstak-table-title"
					>
						{t('history-of-opened')}
					</h3>
					<div className="table-filtres-wrapper text-filter-search end">
						<div className="table-filtres-item">
							<div className="table-filtres-label">{t('items-per-page')}:</div>
							<DropDownList
								value={table.getState().pagination.pageSize}
								callBack={(newSize: string) => {
									table.setPageSize(Number(newSize));
									setPagination(prev => ({ ...prev, pageIndex: 0 }));
								}}
							>
								{['5', '10', '20', '50', '100'].map(pageSize => (
									<li key={pageSize} value={pageSize}>
										{t('show')} {pageSize}
									</li>
								))}
							</DropDownList>
						</div>
					</div>
				</div>

				{/* Таблица */}
				<div className="tanstak-table-block">
					<table className="tanstak-table">
						<thead className="tanstak-table-head">
							{table.getHeaderGroups().map(headerGroup => (
								<tr key={headerGroup.id}>
									{headerGroup.headers.map(header => (
										<th
											key={header.id}
										>
											{header.isPlaceholder
												? null
												: typeof header.column.columnDef.header === 'function'
													? header.column.columnDef.header(header.getContext())
													: header.column.columnDef.header as string}
										</th>
									))}
								</tr>
							))}
						</thead>
						<tbody className={`tanstak-table-body ${isFetching ? 'loading' : ''}`}>
							{isLoading && (
								<tr>
									<td colSpan={columns.length} className="text-center relative h-12.5">
										<div
											className="loading-animation"
										>
											<div
												className="global-spinner"
											>
											</div>
										</div>
									</td>
								</tr>
							)}

							{table.getRowModel().rows.length > 0 ? (
								table.getRowModel().rows.map(row => (
									<tr key={row.id}>
										{row.getVisibleCells().map(cell => (
											<td key={cell.id}>
												{typeof cell.column.columnDef.cell === 'function'
													? cell.column.columnDef.cell(cell.getContext())
													: cell.getValue() as string}
											</td>
										))}
									</tr>
								))
							) : (
								<tr>
									{!isLoading && (
										<td colSpan={columns.length} className="text-center">
											{t('no-data-for-selected-filters')}
										</td>
									)}
								</tr>
							)}
						</tbody>
					</table>
				</div>

				{/* Пагинация */}
				<div className="tanstak-table-pagination">
					<div className="pagination-info">
						<span className="pagination-info-pages">
							{t('page')}{' '}
							<strong>
								{pagination.pageIndex + 1} {t('out-of')} {totalPages || 1}
							</strong> | {t('total-document-openings')}: {totalElements}
						</span>
					</div>

					<div className="pagination-controls">
						<button
							className="arrow"
							onClick={() => table.firstPage()}
							disabled={!table.getCanPreviousPage() || isLoading}
						>
							<IconDoubleArrowLeft />
						</button>
						<button
							className="arrow"
							onClick={() => table.previousPage()}
							disabled={!table.getCanPreviousPage() || isLoading}
						>
							<IconArrowLeft />
						</button>

						<div className="pagination-controls-pages">
							{Array.from({ length: Math.min(5, totalPages) }, (_, i) => {
								let pageIndex;
								if (totalPages <= 5) {
									pageIndex = i;
								} else if (pagination.pageIndex <= 2) {
									pageIndex = i;
								} else if (pagination.pageIndex >= totalPages - 3) {
									pageIndex = totalPages - 5 + i;
								} else {
									pageIndex = pagination.pageIndex - 2 + i;
								}

								if (pageIndex >= 0 && pageIndex < totalPages) {
									return (
										<button
											key={pageIndex}
											className={pagination.pageIndex === pageIndex ? 'current' : 'other'}
											onClick={() => table.setPageIndex(pageIndex)}
											disabled={isLoading}
										>
											{pageIndex + 1}
										</button>
									);
								}
								return null;
							})}
						</div>

						<button
							className="arrow"
							onClick={() => table.nextPage()}
							disabled={!table.getCanNextPage() || isLoading}
						>
							<IconArrowRight />
						</button>
						<button
							className="arrow"
							onClick={() => table.lastPage()}
							disabled={!table.getCanNextPage() || isLoading}
						>
							<IconDoubleArrowRight />
						</button>
					</div>
				</div>
			</div >
		</div>
	)
}