import { useAtomValue } from 'jotai/utils'
import React from 'react'
import { ActivityIndicator, View } from 'react-native'
import FastImage from 'react-native-fast-image'
import LinearGradient from 'react-native-linear-gradient'
import { artistArtAtomFamily } from '@app/state/music'
import colors from '@app/styles/colors'
import CoverArt from '@app/components/CoverArt'

interface ArtistArtSizeProps {
  height: number
  width: number
}

interface ArtistArtXUpProps extends ArtistArtSizeProps {
  coverArtUris: string[]
}

interface ArtistArtProps extends ArtistArtSizeProps {
  id: string
}

const PlaceholderContainer: React.FC<ArtistArtSizeProps> = ({ height, width, children }) => (
  <LinearGradient
    colors={[colors.accent, colors.accentLow]}
    style={{
      height,
      width,
      alignItems: 'center',
      justifyContent: 'center',
    }}>
    {children}
  </LinearGradient>
)

const FourUp: React.FC<ArtistArtXUpProps> = ({ height, width, coverArtUris }) => {
  const halfHeight = height / 2
  const halfWidth = width / 2

  return (
    <PlaceholderContainer height={height} width={width}>
      <View style={{ width, height: halfHeight, flexDirection: 'row' }}>
        <FastImage
          source={{ uri: coverArtUris[0] }}
          style={{ height: halfHeight, width: halfWidth }}
          resizeMode={FastImage.resizeMode.cover}
        />
        <FastImage
          source={{ uri: coverArtUris[1] }}
          style={{ height: halfHeight, width: halfWidth }}
          resizeMode={FastImage.resizeMode.cover}
        />
      </View>
      <View style={{ width, height: halfHeight, flexDirection: 'row' }}>
        <FastImage
          source={{ uri: coverArtUris[2] }}
          style={{ height: halfHeight, width: halfWidth }}
          resizeMode={FastImage.resizeMode.cover}
        />
        <FastImage
          source={{ uri: coverArtUris[3] }}
          style={{ height: halfHeight, width: halfWidth }}
          resizeMode={FastImage.resizeMode.cover}
        />
      </View>
    </PlaceholderContainer>
  )
}

const ThreeUp: React.FC<ArtistArtXUpProps> = ({ height, width, coverArtUris }) => {
  const halfHeight = height / 2
  const halfWidth = width / 2

  return (
    <PlaceholderContainer height={height} width={width}>
      <View style={{ width, height: halfHeight, flexDirection: 'row' }}>
        <FastImage
          source={{ uri: coverArtUris[0] }}
          style={{ height: halfHeight, width }}
          resizeMode={FastImage.resizeMode.cover}
        />
      </View>
      <View style={{ width, height: halfHeight, flexDirection: 'row' }}>
        <FastImage
          source={{ uri: coverArtUris[1] }}
          style={{ height: halfHeight, width: halfWidth }}
          resizeMode={FastImage.resizeMode.cover}
        />
        <FastImage
          source={{ uri: coverArtUris[2] }}
          style={{ height: halfHeight, width: halfWidth }}
          resizeMode={FastImage.resizeMode.cover}
        />
      </View>
    </PlaceholderContainer>
  )
}

const TwoUp: React.FC<ArtistArtXUpProps> = ({ height, width, coverArtUris }) => {
  const halfHeight = height / 2

  return (
    <PlaceholderContainer height={height} width={width}>
      <View style={{ width, height: halfHeight, flexDirection: 'row' }}>
        <FastImage
          source={{ uri: coverArtUris[0] }}
          style={{ height: halfHeight, width }}
          resizeMode={FastImage.resizeMode.cover}
        />
      </View>
      <View style={{ width, height: halfHeight, flexDirection: 'row' }}>
        <FastImage
          source={{ uri: coverArtUris[1] }}
          style={{ height: halfHeight, width }}
          resizeMode={FastImage.resizeMode.cover}
        />
      </View>
    </PlaceholderContainer>
  )
}

const OneUp: React.FC<ArtistArtXUpProps> = ({ height, width, coverArtUris }) => {
  return (
    <PlaceholderContainer height={height} width={width}>
      <FastImage source={{ uri: coverArtUris[0] }} style={{ height, width }} resizeMode={FastImage.resizeMode.cover} />
    </PlaceholderContainer>
  )
}

const NoneUp: React.FC<ArtistArtSizeProps> = ({ height, width }) => {
  return (
    <PlaceholderContainer height={height} width={width}>
      <FastImage
        source={require('@res/icons/mic_on-fill.png')}
        style={{
          height: height - height / 4,
          width: width - width / 4,
        }}
        resizeMode={FastImage.resizeMode.cover}
      />
    </PlaceholderContainer>
  )
}

const ArtistArt: React.FC<ArtistArtProps> = ({ id, height, width }) => {
  const artistArt = useAtomValue(artistArtAtomFamily(id))

  const Placeholder = () => {
    const none = <NoneUp height={height} width={width} />

    if (!artistArt || !artistArt.coverArtUris) {
      return none
    }
    const { coverArtUris } = artistArt

    if (coverArtUris.length >= 4) {
      return <FourUp height={height} width={width} coverArtUris={coverArtUris} />
    }
    if (coverArtUris.length === 3) {
      return <ThreeUp height={height} width={width} coverArtUris={coverArtUris} />
    }
    if (coverArtUris.length === 2) {
      return <TwoUp height={height} width={width} coverArtUris={coverArtUris} />
    }
    if (coverArtUris.length === 1) {
      return <OneUp height={height} width={width} coverArtUris={coverArtUris} />
    }

    return none
  }

  return (
    <View
      style={{
        borderRadius: height / 2,
        overflow: 'hidden',
      }}>
      <CoverArt PlaceholderComponent={Placeholder} height={height} width={width} coverArtUri={artistArt?.uri} />
    </View>
  )
}

const ArtistArtFallback: React.FC<ArtistArtProps> = ({ height, width }) => (
  <View
    style={{
      height,
      width,
      alignItems: 'center',
      justifyContent: 'center',
    }}>
    <ActivityIndicator size="small" color={colors.accent} />
  </View>
)

const ArtistArtLoader: React.FC<ArtistArtProps> = props => (
  <React.Suspense fallback={<ArtistArtFallback {...props} />}>
    <ArtistArt {...props} />
  </React.Suspense>
)

export default React.memo(ArtistArtLoader)