import { DeltaArrow } from 'components/Tokens/TokenDetails/Delta'
import { useScreenSize } from 'hooks/useScreenSize'
import { Box, BoxProps } from 'nft/components/Box'
import { Column, Row } from 'nft/components/Flex'
import { body, bodySmall, headlineMedium, headlineSmall } from 'nft/css/common.css'
import { loadingAsset } from 'nft/css/loading.css'
import { themeVars } from 'nft/css/sprinkles.css'
import { useBag, useIsMobile } from 'nft/hooks'
import { useIsCollectionLoading } from 'nft/hooks/useIsCollectionLoading'
import { GenieCollection, TokenType } from 'nft/types'
import { roundWholePercentage } from 'nft/utils/numbers'
import { ReactNode, useEffect, useReducer, useRef, useState } from 'react'
import ReactMarkdown from 'react-markdown'
import styled, { css } from 'styled-components'
import { ThemedText } from 'theme/components'
import { NumberType, useFormatter } from 'utils/formatNumbers'

import { DiscordIcon, EllipsisIcon, ExternalIcon, InstagramIcon, TwitterIcon, VerifiedIcon, XMarkIcon } from '../icons'
import * as styles from './CollectionStats.css'

const PercentChange = styled.div<{ isNegative: boolean }>`
  color: ${({ theme, isNegative }) => (isNegative ? theme.critical : theme.success)};
  display: flex;
  align-items: center;
  justify-content: center;
`

const CollectionNameText = styled.h1<{ isVerified: boolean }>`
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0;
  margin-right: ${({ isVerified }) => (isVerified ? '6px' : '0px')};
`

const CollectionNameTextLoading = styled.div`
  ${loadingAsset}
  height: 32px;
  width: 236px;
`

const MobileSocialsOverflowIcon = styled.div`
  display: flex;
  margin-left: 4px;
  flex-direction: column;
  justify-content: center;
  height: 28px;
`

const MobileSocialsIcon = ({ children, href }: { children: ReactNode; href: string }) => {
  return (
    <Box
      display="flex"
      as="a"
      target="_blank"
      rel="noreferrer"
      href={href}
      height="40"
      width="40"
      borderRadius="round"
      backgroundColor="surface1"
    >
      {children}
    </Box>
  )
}

const MobileSocialsPopover = ({
  collectionStats,
  collectionSocialsIsOpen,
  toggleCollectionSocials,
}: {
  collectionStats: GenieCollection
  collectionSocialsIsOpen: boolean
  toggleCollectionSocials: () => void
}) => {
  return (
    <>
      <MobileSocialsOverflowIcon onClick={toggleCollectionSocials}>
        {collectionSocialsIsOpen ? (
          <XMarkIcon width="28" height="28" fill={themeVars.colors.neutral2} />
        ) : (
          <EllipsisIcon width="28" height="20" fill={themeVars.colors.neutral2} />
        )}
      </MobileSocialsOverflowIcon>
      {collectionSocialsIsOpen && (
        <Row
          position="absolute"
          gap="4"
          alignItems="center"
          justifyContent="center"
          style={{
            top: '-48px',
            right: '-6px',
          }}
        >
          {collectionStats.discordUrl ? (
            <MobileSocialsIcon href={collectionStats.discordUrl}>
              <Box margin="auto" paddingTop="4">
                <DiscordIcon width={28} height={28} color={themeVars.colors.neutral2} />
              </Box>
            </MobileSocialsIcon>
          ) : null}
          {collectionStats.twitterUrl ? (
            <MobileSocialsIcon href={'https://twitter.com/' + collectionStats.twitterUrl}>
              <Box margin="auto" paddingTop="6">
                <TwitterIcon
                  fill={themeVars.colors.neutral2}
                  color={themeVars.colors.neutral2}
                  width="28px"
                  height="28px"
                />
              </Box>
            </MobileSocialsIcon>
          ) : null}

          {collectionStats.instagram ? (
            <MobileSocialsIcon href={'https://instagram.com/' + collectionStats.instagram}>
              <Box margin="auto" paddingLeft="2" paddingTop="4">
                <InstagramIcon fill={themeVars.colors.neutral2} width="28px" height="28px" />
              </Box>
            </MobileSocialsIcon>
          ) : null}

          {collectionStats.externalUrl ? (
            <MobileSocialsIcon href={collectionStats.externalUrl}>
              <Box margin="auto" paddingTop="4">
                <ExternalIcon fill={themeVars.colors.neutral2} width="28px" height="28px" />
              </Box>
            </MobileSocialsIcon>
          ) : null}
        </Row>
      )}
    </>
  )
}

const SocialsIcon = ({ children, href }: { children: ReactNode; href: string }) => {
  return (
    <Column as="a" target="_blank" rel="noreferrer" href={href} height="full" justifyContent="center">
      {children}
    </Column>
  )
}

const CollectionName = ({
  collectionStats,
  name,
  isVerified,
  isMobile,
  collectionSocialsIsOpen,
  toggleCollectionSocials,
}: {
  collectionStats: GenieCollection
  name: string
  isVerified: boolean
  isMobile: boolean
  collectionSocialsIsOpen: boolean
  toggleCollectionSocials: () => void
}) => {
  const isCollectionStatsLoading = useIsCollectionLoading((state) => state.isCollectionStatsLoading)

  return (
    <Row justifyContent="space-between">
      <Row minWidth="0">
        {isCollectionStatsLoading ? (
          <CollectionNameTextLoading />
        ) : (
          <CollectionNameText isVerified={isVerified} className={isMobile ? headlineSmall : headlineMedium}>
            {name}
          </CollectionNameText>
        )}
        {isVerified && <VerifiedIcon style={{ width: '32px', height: '32px' }} />}
        <Row
          display={{ sm: 'none', md: 'flex' }}
          alignItems="center"
          justifyContent="center"
          marginLeft="32"
          gap="8"
          height="32"
        >
          {collectionStats.discordUrl ? (
            <SocialsIcon href={collectionStats.discordUrl ?? ''}>
              <DiscordIcon
                fill={themeVars.colors.neutral2}
                color={themeVars.colors.neutral2}
                width="26px"
                height="26px"
              />
            </SocialsIcon>
          ) : null}
          {collectionStats.twitterUrl ? (
            <SocialsIcon href={'https://twitter.com/' + collectionStats.twitterUrl}>
              <TwitterIcon
                fill={themeVars.colors.neutral2}
                color={themeVars.colors.neutral2}
                width="26px"
                height="26px"
              />
            </SocialsIcon>
          ) : null}

          {collectionStats.instagram ? (
            <SocialsIcon href={'https://instagram.com/' + collectionStats.instagram}>
              <InstagramIcon fill={themeVars.colors.neutral2} width="26px" height="26px" />
            </SocialsIcon>
          ) : null}
          {collectionStats.externalUrl ? (
            <SocialsIcon href={collectionStats.externalUrl ?? ''}>
              <ExternalIcon fill={themeVars.colors.neutral2} width="26px" height="26px" />
            </SocialsIcon>
          ) : null}
        </Row>
      </Row>
      {isMobile &&
        (collectionStats.discordUrl ||
          collectionStats.twitterUrl ||
          collectionStats.instagram ||
          collectionStats.externalUrl) && (
          <MobileSocialsPopover
            collectionStats={collectionStats}
            collectionSocialsIsOpen={collectionSocialsIsOpen}
            toggleCollectionSocials={toggleCollectionSocials}
          />
        )}
    </Row>
  )
}

const CollectionDescriptionText = styled.p<{ readMore: boolean }>`
  vertical-align: top;
  text-overflow: ellipsis;
  margin: 0;

  ${({ readMore }) =>
    readMore
      ? css`
          white-space: normal;
          overflow: visible;
          display: inline;
          max-width: 100%;
        `
      : css`
          white-space: nowrap;
          overflow: hidden;
          display: inline-block;
          max-width: min(calc(100% - 112px), 600px);
        `}

  a[href] {
    color: ${({ theme }) => theme.neutral2};
    text-decoration: none;

    :hover {
      opacity: ${({ theme }) => theme.opacity.hover};
    }

    :focus {
      opacity: ${({ theme }) => theme.opacity.click};
    }
  }
`

const ReadMore = styled.span`
  vertical-align: top;
  color: ${({ theme }) => theme.neutral2};
  cursor: pointer;
  margin-left: 4px;
`

const CollectionDescriptionLoading = () => (
  <Box marginTop={{ sm: '12', md: '16' }} className={styles.descriptionLoading} />
)

const CollectionDescription = ({ description }: { description: string }) => {
  const [showReadMore, setShowReadMore] = useState(false)
  const [readMore, toggleReadMore] = useReducer((state) => !state, false)
  const baseRef = useRef<HTMLDivElement>(null)
  const descriptionRef = useRef<HTMLDivElement>(null)
  const isCollectionStatsLoading = useIsCollectionLoading((state) => state.isCollectionStatsLoading)
  const isMobile = useIsMobile()

  useEffect(() => {
    if (
      baseRef &&
      descriptionRef &&
      baseRef.current &&
      descriptionRef.current &&
      (descriptionRef.current.getBoundingClientRect().width >= baseRef.current?.getBoundingClientRect().width - 112 ||
        descriptionRef.current.getBoundingClientRect().width >= 590)
    ) {
      setShowReadMore(true)
    } else {
      setShowReadMore(false)
    }
  }, [descriptionRef, baseRef, isCollectionStatsLoading, description])

  return isCollectionStatsLoading ? (
    <CollectionDescriptionLoading />
  ) : (
    <Box ref={baseRef} marginTop={{ sm: '12', md: '16' }} style={{ maxWidth: '680px' }}>
      <CollectionDescriptionText readMore={readMore} ref={descriptionRef} className={isMobile ? bodySmall : body}>
        <ReactMarkdown
          source={description}
          allowedTypes={['link', 'paragraph', 'strong', 'code', 'emphasis', 'text']}
          renderers={{ paragraph: 'span' }}
        />
      </CollectionDescriptionText>
      {showReadMore && (
        <ReadMore className={isMobile ? bodySmall : body} onClick={toggleReadMore}>
          show {readMore ? 'less' : 'more'}
        </ReadMore>
      )}
    </Box>
  )
}

const StatsItem = ({ children, label, shouldHide }: { children: ReactNode; label: string; shouldHide: boolean }) => {
  return (
    <Box display={shouldHide ? 'none' : 'flex'} flexDirection="column" alignItems="baseline" gap="2" height="min">
      <ThemedText.SubHeader className={styles.statsValue}>{children}</ThemedText.SubHeader>
      <Box as="span" className={styles.statsLabel}>
        {label}
      </Box>
    </Box>
  )
}

const statsLoadingSkeleton = (isMobile: boolean) =>
  new Array(isMobile ? 3 : 5).fill(null).map((_, index) => (
    <Box
      display="flex"
      flexDirection="column"
      alignItems="baseline"
      gap="2"
      height="min"
      key={`statsLoadingSkeleton-key-${index}`}
      marginBottom={isMobile ? '12' : '0'}
    >
      <div className={styles.statsLabelLoading} />
      <span className={styles.statsValueLoading} />
    </Box>
  ))

const StatsRow = ({ stats, isMobile, ...props }: { stats: GenieCollection; isMobile?: boolean } & BoxProps) => {
  const { formatNumberOrString, formatDelta } = useFormatter()

  const uniqueOwnersPercentage = stats?.stats?.total_supply
    ? roundWholePercentage(((stats.stats.num_owners ?? 0) / stats.stats.total_supply) * 100)
    : 0
  const totalSupplyStr = stats.stats
    ? formatNumberOrString({ input: stats.stats.total_supply ?? 0, type: NumberType.NFTCollectionStats })
    : 0
  const listedPercentageStr = stats?.stats?.total_supply
    ? roundWholePercentage(((stats.stats.total_listings ?? 0) / stats.stats.total_supply) * 100)
    : 0
  const isCollectionStatsLoading = useIsCollectionLoading((state) => state.isCollectionStatsLoading)

  // round daily volume & floorPrice to 3 decimals or less
  const totalVolumeStr = formatNumberOrString({
    input: Number(stats.stats?.total_volume) ?? 0,
    type: NumberType.NFTCollectionStats,
  })
  const floorPriceStr = formatNumberOrString({
    input: stats.stats?.floor_price ?? 0,
    type: NumberType.NFTTokenFloorPrice,
  })
  // graphQL formatted %age values out of 100, whereas v3 endpoint did a decimal between 0 & 1
  const floorChangeStr = formatDelta(Math.round(Math.abs(stats?.stats?.one_day_floor_change ?? 0)))

  const isBagExpanded = useBag((state) => state.bagExpanded)
  const isScreenSize = useScreenSize()
  const isSmallContainer = isMobile || (!isScreenSize['lg'] && isBagExpanded)

  return (
    <Row gap={{ sm: '24', md: '36', lg: '48', xl: '60' }} {...props}>
      {isCollectionStatsLoading ? (
        statsLoadingSkeleton(isMobile ?? false)
      ) : (
        <>
          {stats.stats?.floor_price ? (
            <StatsItem label="Global floor" shouldHide={false}>
              {floorPriceStr} ETH
            </StatsItem>
          ) : null}
          {stats.stats?.one_day_floor_change !== undefined ? (
            <StatsItem label="Floor 24H" shouldHide={false}>
              <PercentChange isNegative={stats.stats.one_day_floor_change < 0}>
                <DeltaArrow delta={stats?.stats?.one_day_floor_change} />
                {floorChangeStr}
              </PercentChange>
            </StatsItem>
          ) : null}
          {stats.stats?.total_volume ? (
            <StatsItem label="Total volume" shouldHide={false}>
              {totalVolumeStr} ETH
            </StatsItem>
          ) : null}
          {totalSupplyStr ? (
            <StatsItem label="Items" shouldHide={isMobile ?? false}>
              {totalSupplyStr}
            </StatsItem>
          ) : null}
          {uniqueOwnersPercentage && stats.standard !== TokenType.ERC1155 ? (
            <StatsItem label="Unique owners" shouldHide={isSmallContainer ?? false}>
              {uniqueOwnersPercentage}%
            </StatsItem>
          ) : null}
          {stats.stats?.total_listings && stats.standard !== TokenType.ERC1155 ? (
            <StatsItem label="Listed" shouldHide={isSmallContainer ?? false}>
              {listedPercentageStr}%
            </StatsItem>
          ) : null}
        </>
      )}
    </Row>
  )
}

export const CollectionStatsLoading = ({ isMobile }: { isMobile: boolean }) => {
  return (
    <Column position="relative" width="full">
      <Box className={styles.collectionImageIsLoadingBackground} />
      <Box className={styles.collectionImageIsLoading} />
      <Box className={styles.statsText}>
        <Box className={styles.nameTextLoading} />
        {!isMobile && (
          <>
            <CollectionDescriptionLoading />
            <Row gap="60" marginTop="20">
              {statsLoadingSkeleton(false)}
            </Row>
          </>
        )}
      </Box>
      {isMobile && (
        <>
          <CollectionDescriptionLoading />
          <Row gap="20" marginTop="20">
            {statsLoadingSkeleton(true)}
          </Row>
        </>
      )}
    </Column>
  )
}

export const CollectionStats = ({ stats, isMobile }: { stats: GenieCollection; isMobile: boolean }) => {
  const [collectionSocialsIsOpen, toggleCollectionSocials] = useReducer((state) => !state, false)
  const isCollectionStatsLoading = useIsCollectionLoading((state) => state.isCollectionStatsLoading)

  return (
    <Box
      display="flex"
      marginTop={isMobile && !stats.bannerImageUrl ? (collectionSocialsIsOpen ? '52' : '20') : '0'}
      justifyContent="center"
      position="relative"
      flexDirection="column"
      width="full"
    >
      {isCollectionStatsLoading && (
        <Box as="div" borderRadius="round" position="absolute" className={styles.collectionImageIsLoadingBackground} />
      )}
      <Box
        as={isCollectionStatsLoading ? 'div' : 'img'}
        background="white"
        borderRadius="round"
        position="absolute"
        className={isCollectionStatsLoading ? styles.collectionImageIsLoading : styles.collectionImage}
        src={stats.imageUrl}
      />
      <Box className={styles.statsText}>
        <CollectionName
          collectionStats={stats}
          name={stats.name ?? ''}
          isVerified={stats.isVerified ?? false}
          isMobile={isMobile}
          collectionSocialsIsOpen={collectionSocialsIsOpen}
          toggleCollectionSocials={toggleCollectionSocials}
        />
        {(stats.description || isCollectionStatsLoading) && !isMobile && (
          <CollectionDescription description={stats.description ?? ''} />
        )}
        <StatsRow display={{ sm: 'none', md: 'flex' }} overflow="hidden" stats={stats} marginTop="20" />
      </Box>
      {(stats.description || isCollectionStatsLoading) && isMobile && (
        <CollectionDescription description={stats.description ?? ''} />
      )}
      <div id="nft-anchor-mobile" />
      <StatsRow isMobile display={{ sm: 'flex', md: 'none' }} stats={stats} marginTop="20" marginBottom="12" />
    </Box>
  )
}
