import { useRef, useLayoutEffect, ReactNode, FC, useState, useCallback } from 'react'
import { IconProps, Notepad, Prohibit } from 'phosphor-react'
import useStayScrolled from 'react-stay-scrolled'
import NextLink from 'next/link'

import Container from './Container'
import LogText from './LogText'
import state, { ILog } from '../state'
import { Pre, Link, Heading, Button, Text, Flex, Box } from '.'
import regexifyString from 'regexify-string'
import { useSnapshot } from 'valtio'
import { AccountDialog } from './Accounts'

interface ILogBox {
  title: string
  clearLog?: () => void
  logs: ILog[]
  renderNav?: () => ReactNode
  enhanced?: boolean
  Icon?: FC<IconProps>
}

const LogBox: FC<ILogBox> = ({
  title,
  clearLog,
  logs,
  children,
  renderNav,
  enhanced,
  Icon = Notepad
}) => {
  const logRef = useRef<HTMLPreElement>(null)
  const { stayScrolled /*, scrollBottom*/ } = useStayScrolled(logRef)

  useLayoutEffect(() => {
    stayScrolled()
  }, [stayScrolled, logs])

  return (
    <Flex
      as="div"
      css={{
        display: 'flex',
        borderTop: '1px solid $mauve6',
        background: '$mauve1',
        position: 'relative',
        flex: 1,
        height: '100%'
      }}
    >
      <Container
        css={{
          px: 0,
          height: '100%'
        }}
      >
        <Flex
          fluid
          css={{
            height: '48px',
            alignItems: 'center',
            fontSize: '$sm',
            fontWeight: 300
          }}
        >
          <Heading
            as="h3"
            css={{
              fontWeight: 300,
              m: 0,
              fontSize: '11px',
              color: '$mauve12',
              px: '$3',
              textTransform: 'uppercase',
              alignItems: 'center',
              display: 'inline-flex',
              gap: '$3'
            }}
          >
            <Icon size="15px" /> <Text css={{ lineHeight: 1 }}>{title}</Text>
          </Heading>
          <Flex
            row
            align="center"
            // css={{
            //   maxWidth: "100%", // TODO make it max without breaking layout!
            // }}
          >
            {renderNav?.()}
          </Flex>
          <Flex css={{ ml: 'auto', gap: '$3', marginRight: '$3' }}>
            {clearLog && (
              <Button ghost size="xs" onClick={clearLog}>
                <Prohibit size="14px" />
              </Button>
            )}
          </Flex>
        </Flex>

        <Box
          as="pre"
          ref={logRef}
          css={{
            margin: 0,
            // display: "inline-block",
            display: 'flex',
            flexDirection: 'column',
            width: '100%',
            height: 'calc(100% - 48px)', // 100% minus the logbox header height
            overflowY: 'auto',
            fontSize: '13px',
            fontWeight: '$body',
            fontFamily: '$monospace',
            px: '$3',
            pb: '$2',
            whiteSpace: 'normal'
          }}
        >
          {logs?.map((log, index) => (
            <Box
              as="span"
              key={log.type + index}
              css={{
                '@hover': {
                  '&:hover': {
                    backgroundColor: enhanced ? '$backgroundAlt' : undefined
                  }
                },
                p: enhanced ? '$1' : undefined,
                my: enhanced ? '$1' : undefined
              }}
            >
              <Log {...log} />
            </Box>
          ))}
          {children}
        </Box>
      </Container>
    </Flex>
  )
}

export const Log: FC<ILog> = ({
  type,
  timestring,
  message: _message,
  link,
  linkText,
  defaultCollapsed,
  jsonData: _jsonData
}) => {
  const [expanded, setExpanded] = useState(!defaultCollapsed)
  const { accounts } = useSnapshot(state)
  const [dialogAccount, setDialogAccount] = useState<string | null>(null)

  const enrichAccounts = useCallback(
    (str?: string): ReactNode => {
      if (!str || !accounts.length) return str

      const pattern = `(${accounts.map(acc => acc.address).join('|')})`
      const res = regexifyString({
        pattern: new RegExp(pattern, 'gim'),
        decorator: (match, idx) => {
          const name = accounts.find(acc => acc.address === match)?.name
          return (
            <Link
              key={match + idx}
              as="a"
              onClick={() => setDialogAccount(match)}
              title={match}
              highlighted
            >
              {name || match}
            </Link>
          )
        },
        input: str
      })

      return <>{res}</>
    },
    [accounts]
  )

  let message: ReactNode

  if (typeof _message === 'string') {
    _message = _message.trim().replace(/\n /gi, '\n')
    if (_message) message = enrichAccounts(_message)
    else message = <Text muted>{'""'}</Text>
  } else {
    message = _message
  }

  const jsonData = enrichAccounts(_jsonData)

  return (
    <>
      <AccountDialog
        setActiveAccountAddress={setDialogAccount}
        activeAccountAddress={dialogAccount}
      />
      <LogText variant={type}>
        {timestring && (
          <Text muted monospace>
            {timestring}{' '}
          </Text>
        )}
        <Pre>{message} </Pre>
        {link && (
          <NextLink href={link} shallow passHref>
            <Link as="a">{linkText}</Link>
          </NextLink>
        )}
        {jsonData && (
          <Link onClick={() => setExpanded(!expanded)} as="a">
            {expanded ? 'Collapse' : 'Expand'}
          </Link>
        )}
        {expanded && jsonData && <Pre block>{jsonData}</Pre>}
      </LogText>
      <br />
    </>
  )
}

export default LogBox