import {
	BankOutlined,
	ContainerOutlined,
	InboxOutlined,
	LeftOutlined,
	PlusOutlined,
	RightOutlined,
	SolutionOutlined,
	TeamOutlined,
	UserOutlined,
} from '@ant-design/icons';
import { Button, Divider, Layout, Tooltip, message } from 'antd';
import { type ReactNode, memo, useState } from 'react';
import { NavLink, useNavigate } from 'react-router-dom';
import { USERS_ADMIN } from '../../auth/permissions';
import { createConsolidation } from '../../services/api/consolidations';
import { quarterLabel } from '../../utils/labels';
import { NewConsolidationModal } from '../NewConsoleModal/NewConsoleModal';
import styles from './styles.module.css';

type CollapsedIconProps = {
	icon: ReactNode;
	onClick?: () => void;
	title: string;
	to: string | null;
	cn?: string;
};

function CollapsedIcon({ icon, onClick, title, to, cn = '' }: CollapsedIconProps) {
	if (to === null) {
		return (
			<Tooltip placement='right' title={title}>
				<button type='button' onClick={onClick} className={cn || `${styles.iconBtn} ${styles.iconBtnNav}`}>
					{icon}
				</button>
			</Tooltip>
		);
	}
	return (
		<Tooltip placement='right' title={title}>
			<NavLink to={to} className={({ isActive }) => cn || `${styles.iconBtn} ${isActive ? styles.iconBtnActive : styles.iconBtnNav}`}>
				{icon}
			</NavLink>
		</Tooltip>
	);
}

type NavItem = {
	link: string;
	label: string;
	icon: ReactNode;
	/** Право из `/me`, без которого пункт не показывается; нет — пункт виден всем. */
	permission?: string;
};

type Group = {
	title: string;
	key: string;
	children: NavItem[];
};

const config: Group[] = [
	{
		title: 'Отчетность',
		key: 'reporting',
		children: [
			{
				link: '/groups',
				icon: <BankOutlined />,
				label: 'Группы компаний',
			},
			{
				link: '/groups/monozaemchiki',
				icon: <UserOutlined />,
				label: 'Монозаемщики',
			},
		],
	},
	{
		title: 'Справочники',
		key: 'catalogues',
		children: [
			{
				link: '/catalogue/groups',
				icon: <TeamOutlined />,
				label: 'ГК и организации',
			},
			{
				link: '/catalogue/jur_l',
				icon: <SolutionOutlined />,
				label: 'ЮЛ вне ГК',
			},
		],
	},
	{
		title: 'Документы',
		key: 'docs',
		children: [
			{
				link: '/docstorage',
				icon: <InboxOutlined />,
				label: 'Единое хранилище',
			},
		],
	},
	{
		title: 'Система',
		key: 'system',
		children: [
			{
				link: '/logging',
				icon: <ContainerOutlined />,
				label: 'Журнал действий',
			},
			{
				link: '/admin',
				icon: <TeamOutlined />,
				label: 'Пользователи и роли',
				permission: USERS_ADMIN,
			},
		],
	},
];

function NavLinkStyled({ to, children }: { to: string; children: ReactNode }) {
	return (
		<NavLink
			className={({ isActive }) => {
				return `${styles.linkBase} ${isActive ? styles.linkActive : ''}`;
			}}
			to={to}
			end>
			{children}
		</NavLink>
	);
}

const Section = memo(function Section({
	isCollapsed,
	group,
}: {
	isCollapsed: boolean;
	group: Group;
}) {
	return !isCollapsed ? (
		<div className={styles.section}>
			<div className={styles.sectionTitle}>{group.title}</div>
			{group.children.map((i) => (
				<NavLinkStyled key={i.link} to={i.link}>
					{i.icon}
					{i.label}
				</NavLinkStyled>
			))}
			<Divider size='small' />
		</div>
	) : (
		<>
			{group.children.map((i) => (
				<CollapsedIcon key={i.link} icon={i.icon} to={i.link} title={i.label} />
			))}
		</>
	);
});

export function Sidebar() {
	const navigate = useNavigate();
	const [modalOpen, setModalOpen] = useState(false);
	const [isCollapsed, setIsCollapsed] = useState(false);

	return (
		<Layout.Sider
			collapsed={isCollapsed}
			style={{ height: 'auto', margin: '10px', borderRadius: 10 }}
			width={210}
			collapsedWidth={64}
			collapsible
			trigger={null}>
			<div className={`${styles.wrapper} ${isCollapsed ? styles.wrapperCollapsed : ''}`}>
				<div className={styles.topbar}>
					<button className={styles.collapseBtn} onClick={() => setIsCollapsed(!isCollapsed)}>
						{isCollapsed ? <RightOutlined /> : <LeftOutlined />}
					</button>
				</div>
				{isCollapsed ? (
					<div>
						<CollapsedIcon
							icon={<PlusOutlined />}
							cn={`${styles.iconBtn} ${styles.iconBtnAction}`}
							to={null}
							title='Новая консолидация'
							onClick={() => {
								setModalOpen(true);
							}}
						/>
					</div>
				) : (
					<>
						<Button
							type='default'
							onClick={() => {
								setModalOpen(true);
							}}>
							<PlusOutlined />
							Новая консолидация
						</Button>
					</>
				)}
				{config.map((g) => (
					<Section key={g.key} group={g} isCollapsed={isCollapsed} />
				))}
			</div>
			<NewConsolidationModal
				open={modalOpen}
				onCancel={() => {
					setModalOpen(false);
				}}
				onOk={async (values) => {
					const card = await createConsolidation(values);
					setModalOpen(false);
					message.success(`Создана консолидация ${values.year}, ${quarterLabel(values.quarter)}`);
					navigate(`/groups/${values.company_group_id}?version=${card.id}`);
				}}
			/>
		</Layout.Sider>
	);
}