import { CSSProperties, useContext, useEffect, useRef, useState } from 'react'
import { FaGear, FaPlus, FaTrash } from 'react-icons/fa6'
import { Account, db } from '@/db'
import NewAccount from '@/components/accounts/New'
import Settings from '@/components/Settings'
import { useRouter } from 'next/router'
import { FormattedMessage, useIntl } from 'react-intl'
import generateNotification from '@/utils/notification'
import generator, { Entity, WebSocketInterface } from 'megalodon'
import { Context } from '@/utils/i18n'
import { useHotkeys } from 'react-hotkeys-hook'
import { Avatar, IconButton, List, ListItem, ListItemPrefix, Popover, PopoverContent, PopoverHandler } from '@material-tailwind/react'

type LayoutProps = {
  children: React.ReactNode
}

export default function Layout({ children }: LayoutProps) {
  const [accounts, setAccounts] = useState<Array<Account>>([])
  const [openNewModal, setOpenNewModal] = useState(false)
  const [openSettings, setOpenSettings] = useState(false)
  const [style, setStyle] = useState<CSSProperties>({})
  const [openPopover, setOpenPopover] = useState(false)

  const { switchLang } = useContext(Context)
  const router = useRouter()
  const { formatMessage } = useIntl()
  const streamings = useRef<Array<WebSocketInterface>>([])

  for (let i = 1; i < 9; i++) {
    useHotkeys(`ctrl+${i}`, () => {
      const acct = accounts[i - 1]
      if (acct && acct.id) {
        router.push(`/accounts/${acct.id}`)
      }
    })
  }

  useEffect(() => {
    loadSettings()
    const fn = async () => {
      const acct = await db.accounts.toArray()
      setAccounts(acct)
      if (acct.length === 0) {
        setOpenNewModal(true)
      }
      acct.forEach(async account => {
        // Start user streaming for notification
        const client = generator(account.sns, account.url, account.access_token, 'Whalebird')
        const instance = await client.getInstance()
        const ws = generator(account.sns, instance.data.urls.streaming_api, account.access_token, 'Whalebird')
        const socket = ws.userSocket()
        streamings.current = [...streamings.current, socket]
        socket.on('connect', () => {
          console.log(`connect to user streaming for ${account.domain}`)
        })
        socket.on('notification', (notification: Entity.Notification) => {
          const [title, body] = generateNotification(notification, formatMessage)
          if (title.length > 0) {
            new window.Notification(title, { body: body })
          }
        })
      })
    }
    fn()

    return () => {
      streamings.current.forEach(streaming => {
        streaming.removeAllListeners()
        streaming.stop()
      })
      streamings.current = []
      console.log('close user streamings')
    }
  }, [])

  const closeNewModal = async () => {
    const acct = await db.accounts.toArray()
    setAccounts(acct)
    setOpenNewModal(false)
    if (acct.length === 0) {
      setOpenNewModal(true)
    } else if (!router.query.id) {
      router.push(`/accounts/${acct[0].id}`)
    }
  }

  const openAccount = (id: number) => {
    router.push(`/accounts/${id}`)
  }

  const openContextMenu = (id: number) => {
    document.getElementById(`${id}`).click()
  }

  const removeAccount = async (id: number) => {
    await db.accounts.delete(id)
    const acct = await db.accounts.toArray()
    setAccounts(acct)
    if (acct.length === 0) {
      router.push('/')
      setOpenNewModal(true)
    }
  }

  const selectedClassName = (id: number) => {
    if (id === parseInt(router.query.id as string)) {
      return 'bg-blue-950 cursor-pointer text-center'
    } else {
      return 'cursor-pointer text-center'
    }
  }

  const loadSettings = () => {
    if (typeof localStorage !== 'undefined') {
      const lang = localStorage.getItem('language')
      switchLang(lang)
      const fontSize = localStorage.getItem('fontSize')
      if (parseInt(fontSize)) {
        setStyle({
          fontSize: `${fontSize}px`
        })
      }
    }
  }

  return (
    <div className="app flex flex-col min-h-screen" style={style}>
      <main className="flex w-full box-border my-0 mx-auto min-h-screen">
        <aside className="w-16 bg-gray-900 flex flex-col justify-between">
          <div>
            {accounts.map(account => (
              <div key={account.id} className={selectedClassName(account.id)}>
                <Popover>
                  <PopoverHandler>
                    <span id={`${account.id}`} />
                  </PopoverHandler>
                  <PopoverContent>
                    <List className="py-2 px-0">
                      <ListItem onClick={() => removeAccount(account.id)} className="py-2 px-4 rounded-none">
                        <ListItemPrefix>
                          <FaTrash />
                        </ListItemPrefix>
                        <FormattedMessage id="accounts.remove" />
                      </ListItem>
                    </List>
                  </PopoverContent>
                </Popover>
                <Avatar
                  alt={account.domain}
                  src={account.avatar}
                  className="p-1"
                  onClick={() => openAccount(account.id)}
                  onContextMenu={() => openContextMenu(account.id)}
                />
              </div>
            ))}
            <div className="flex flex-col items-center">
              <IconButton variant="text" size="lg" onClick={() => setOpenNewModal(true)}>
                <FaPlus className="text-gray-400 text-xl" />
              </IconButton>
            </div>
            <NewAccount opened={openNewModal} close={closeNewModal} />
          </div>
          <div className="settings text-gray-400 flex flex-col items-center mb-2">
            <Popover open={openPopover} handler={setOpenPopover}>
              <PopoverHandler>
                <IconButton variant="text" size="lg">
                  <FaGear className="text-gray-400 text-xl" />
                </IconButton>
              </PopoverHandler>
              <PopoverContent>
                <List className="py-2 px-0">
                  <ListItem
                    onClick={() => {
                      setOpenSettings(true)
                      setOpenPopover(false)
                    }}
                    className="py-2 px-4 rounded-none"
                  >
                    <ListItemPrefix>
                      <FaGear />
                    </ListItemPrefix>
                    <FormattedMessage id="settings.title" />
                  </ListItem>
                </List>
              </PopoverContent>
            </Popover>
          </div>
        </aside>
        {children}
        <Settings opened={openSettings} close={() => setOpenSettings(false)} reloadSettings={loadSettings} />
      </main>
    </div>
  )
}