import { usePrefersDark } from '@solid-primitives/media'
import { Navigate, Route, Routes, useNavigate } from '@solidjs/router'
import { Show, createEffect, lazy, onMount } from 'solid-js'
import { Toaster } from 'solid-toast'
import { twMerge } from 'tailwind-merge'
import { Header } from '~/components'
import { ROUTES } from '~/constants'
import { I18nProvider, locale } from '~/i18n'
import {
  WsMsg,
  autoSwitchTheme,
  curTheme,
  endpoint,
  favDayTheme,
  favNightTheme,
  setCurTheme,
  setLatestConnectionMsg,
  useProxies,
  useTwemoji,
  useWsRequest,
} from '~/signals'

const Setup = lazy(() => import('~/pages/Setup'))
const Overview = lazy(() => import('~/pages/Overview'))
const Connections = lazy(() => import('~/pages/Connections'))
const Logs = lazy(() => import('~/pages/Logs'))
const Proxies = lazy(() => import('~/pages/Proxies'))
const Rules = lazy(() => import('~/pages/Rules'))
const Config = lazy(() => import('~/pages/Config'))

const ProtectedResources = () => {
  const { fetchProxies } = useProxies()

  onMount(fetchProxies)

  const latestConnectionMsg = useWsRequest<WsMsg>('connections')

  createEffect(() => {
    setLatestConnectionMsg(latestConnectionMsg())
  })

  return null
}

export const App = () => {
  const navigate = useNavigate()

  const prefersDark = usePrefersDark()

  createEffect(() => {
    if (autoSwitchTheme()) {
      setCurTheme(prefersDark() ? favNightTheme() : favDayTheme())
    }
  })

  onMount(() => {
    if (!endpoint()) {
      navigate(ROUTES.Setup)
    }
  })

  return (
    <I18nProvider locale={locale()}>
      <div
        class={twMerge(
          'relative flex h-screen flex-col subpixel-antialiased p-safe',
          useTwemoji() ? 'font-twemoji' : 'font-no-twemoji',
        )}
        data-theme={curTheme()}
      >
        <Header />

        <div class="flex-1 overflow-y-auto p-2 sm:p-4">
          <Routes>
            <Show when={endpoint()}>
              <Route path={ROUTES.Overview} component={Overview} />
              <Route path={ROUTES.Proxies} component={Proxies} />
              <Route path={ROUTES.Rules} component={Rules} />
              <Route path={ROUTES.Conns} component={Connections} />
              <Route path={ROUTES.Log} component={Logs} />
              <Route path={ROUTES.Config} component={Config} />
              <Route path="*" element={<Navigate href={ROUTES.Overview} />} />
            </Show>

            <Route path={endpoint() ? ROUTES.Setup : '*'} component={Setup} />
          </Routes>

          <Show when={endpoint()}>
            <ProtectedResources />
          </Show>
        </div>

        <Toaster position="bottom-center" />
      </div>
    </I18nProvider>
  )
}