import TransferListener from '@/components/server/TransferListener';
import React, { useEffect, useState } from 'react';
import { NavLink, Route, Switch, useRouteMatch } from 'react-router-dom';
import NavigationBar from '@/components/NavigationBar';
import TransitionRouter from '@/TransitionRouter';
import WebsocketHandler from '@/components/server/WebsocketHandler';
import { ServerContext } from '@/state/server';
import { CSSTransition } from 'react-transition-group';
import Can from '@/components/elements/Can';
import Spinner from '@/components/elements/Spinner';
import { NotFound, ServerError } from '@/components/elements/ScreenBlock';
import { httpErrorToHuman } from '@/api/http';
import { useStoreState } from 'easy-peasy';
import SubNavigation from '@/components/elements/SubNavigation';
import InstallListener from '@/components/server/InstallListener';
import ErrorBoundary from '@/components/elements/ErrorBoundary';
import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
import { faExternalLinkAlt } from '@fortawesome/free-solid-svg-icons';
import { useLocation } from 'react-router';
import ConflictStateRenderer from '@/components/server/ConflictStateRenderer';
import PermissionRoute from '@/components/elements/PermissionRoute';
import routes from '@/routers/routes';

export default () => {
    const match = useRouteMatch<{ id: string }>();
    const location = useLocation();

    const rootAdmin = useStoreState(state => state.user.data!.rootAdmin);
    const [ error, setError ] = useState('');

    const id = ServerContext.useStoreState(state => state.server.data?.id);
    const uuid = ServerContext.useStoreState(state => state.server.data?.uuid);
    const inConflictState = ServerContext.useStoreState(state => state.server.inConflictState);
    const serverId = ServerContext.useStoreState(state => state.server.data?.internalId);
    const getServer = ServerContext.useStoreActions(actions => actions.server.getServer);
    const clearServerState = ServerContext.useStoreActions(actions => actions.clearServerState);

    const to = (value: string, url = false) => {
        return `${(url ? match.url : match.path).replace(/\/*$/, '')}/${value.replace(/^\/+/, '')}`;
    };

    useEffect(() => () => {
        clearServerState();
    }, []);

    useEffect(() => {
        setError('');

        getServer(match.params.id)
            .catch(error => {
                console.error(error);
                setError(httpErrorToHuman(error));
            });

        return () => {
            clearServerState();
        };
    }, [ match.params.id ]);

    return (
        <React.Fragment key={'server-router'}>
            <NavigationBar/>
            {(!uuid || !id) ?
                error ?
                    <ServerError message={error}/>
                    :
                    <Spinner size={'large'} centered/>
                :
                <>
                    <CSSTransition timeout={150} classNames={'fade'} appear in>
                        <SubNavigation>
                            <div>
                                {routes.server.filter(route => !!route.name).map((route) => (
                                    route.permission ?
                                        <Can key={route.path} action={route.permission} matchAny>
                                            <NavLink to={to(route.path, true)} exact={route.exact}>
                                                {route.name}
                                            </NavLink>
                                        </Can>
                                        :
                                        <NavLink key={route.path} to={to(route.path, true)} exact={route.exact}>
                                            {route.name}
                                        </NavLink>
                                ))}
                                {rootAdmin &&
                                    // eslint-disable-next-line react/jsx-no-target-blank
                                    <a href={`/admin/servers/view/${serverId}`} target={'_blank'}>
                                        <FontAwesomeIcon icon={faExternalLinkAlt}/>
                                    </a>
                                }
                            </div>
                        </SubNavigation>
                    </CSSTransition>
                    <InstallListener/>
                    <TransferListener/>
                    <WebsocketHandler/>
                    {(inConflictState && (!rootAdmin || (rootAdmin && !location.pathname.endsWith(`/server/${id}`)))) ?
                        <ConflictStateRenderer/>
                        :
                        <ErrorBoundary>
                            <TransitionRouter>
                                <Switch location={location}>
                                    {routes.server.map(({ path, permission, component: Component }) => (
                                        <PermissionRoute key={path} permission={permission} path={to(path)} exact>
                                            <Spinner.Suspense>
                                                <Component/>
                                            </Spinner.Suspense>
                                        </PermissionRoute>
                                    ))}
                                    <Route path={'*'} component={NotFound}/>
                                </Switch>
                            </TransitionRouter>
                        </ErrorBoundary>
                    }
                </>
            }
        </React.Fragment>
    );
};