import { useNavigation } from '@react-navigation/native'
import { useAtomValue } from 'jotai/utils'
import React, { useEffect } from 'react'
import { ActivityIndicator, GestureResponderEvent, StyleSheet, Text, View } from 'react-native'
import IconFA from 'react-native-vector-icons/FontAwesome'
import IconMat from 'react-native-vector-icons/MaterialIcons'
import { albumAtomFamily } from '@app/state/music'
import { currentTrackAtom, useSetQueue } from '@app/state/trackplayer'
import colors from '@app/styles/colors'
import font from '@app/styles/font'
import AlbumArt from '@app/components/AlbumArt'
import Button from '@app/components/Button'
import GradientBackground from '@app/components/GradientBackground'
import ImageGradientScrollView from '@app/components/ImageGradientScrollView'
import PressableOpacity from '@app/components/PressableOpacity'

const SongItem: React.FC<{
  id: string
  title: string
  artist?: string
  track?: number
  onPress: (event: GestureResponderEvent) => void
}> = ({ id, title, artist, onPress }) => {
  const currentTrack = useAtomValue(currentTrackAtom)

  return (
    <View style={songStyles.container}>
      <PressableOpacity onPress={onPress} style={songStyles.text}>
        <Text style={{ ...songStyles.title, color: currentTrack?.id === id ? colors.accent : colors.text.primary }}>
          {title}
        </Text>
        <Text style={songStyles.subtitle}>{artist}</Text>
      </PressableOpacity>
      <View style={songStyles.controls}>
        <PressableOpacity onPress={undefined}>
          <IconFA name="star-o" size={26} color={colors.text.primary} />
        </PressableOpacity>
        <PressableOpacity onPress={undefined} style={songStyles.more}>
          <IconMat name="more-vert" size={32} color="white" />
        </PressableOpacity>
      </View>
    </View>
  )
}

const songStyles = StyleSheet.create({
  container: {
    marginTop: 20,
    flexDirection: 'row',
    justifyContent: 'space-between',
    alignItems: 'center',
  },
  text: {
    flex: 1,
    alignItems: 'flex-start',
    width: 100,
  },
  title: {
    fontSize: 16,
    fontFamily: font.semiBold,
  },
  subtitle: {
    fontSize: 14,
    fontFamily: font.regular,
    color: colors.text.secondary,
  },
  controls: {
    flexDirection: 'row',
    alignItems: 'center',
    marginLeft: 10,
  },
  more: {
    marginLeft: 8,
  },
})

const AlbumDetails: React.FC<{
  id: string
}> = ({ id }) => {
  const album = useAtomValue(albumAtomFamily(id))
  const setQueue = useSetQueue()

  if (!album) {
    return <></>
  }

  return (
    <ImageGradientScrollView
      imageUri={album.coverArtThumbUri}
      imageKey={`${album.name}${album.artist}`}
      style={styles.container}>
      <View style={styles.content}>
        <View style={styles.cover}>
          <AlbumArt id={album.id} height="100%" width="100%" />
        </View>
        <Text style={styles.title}>{album.name}</Text>
        <Text style={styles.subtitle}>
          {album.artist}
          {album.year ? ` • ${album.year}` : ''}
        </Text>
        <View style={styles.controls}>
          <Button title="Play Album" onPress={() => setQueue(album.songs, album.name, album.songs[0].id)} />
        </View>
        <View style={styles.songs}>
          {album.songs
            .sort((a, b) => {
              if (b.track && a.track) {
                return a.track - b.track
              } else {
                return a.title.localeCompare(b.title)
              }
            })
            .map(s => (
              <SongItem
                key={s.id}
                id={s.id}
                title={s.title}
                artist={s.artist}
                track={s.track}
                onPress={() => setQueue(album.songs, album.name, s.id)}
              />
            ))}
        </View>
      </View>
    </ImageGradientScrollView>
  )
}

const AlbumViewFallback = () => (
  <GradientBackground style={styles.fallback}>
    <ActivityIndicator size="large" color={colors.accent} />
  </GradientBackground>
)

const AlbumView: React.FC<{
  id: string
  title: string
}> = ({ id, title }) => {
  const navigation = useNavigation()

  useEffect(() => {
    navigation.setOptions({ title })
  })

  return (
    <React.Suspense fallback={<AlbumViewFallback />}>
      <AlbumDetails id={id} />
    </React.Suspense>
  )
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
  },
  content: {
    alignItems: 'center',
    paddingTop: 10,
    paddingHorizontal: 20,
  },
  title: {
    fontSize: 24,
    fontFamily: font.bold,
    color: colors.text.primary,
    marginTop: 12,
    textAlign: 'center',
  },
  subtitle: {
    fontFamily: font.regular,
    color: colors.text.secondary,
    fontSize: 14,
    marginTop: 4,
    marginBottom: 20,
    textAlign: 'center',
  },
  cover: {
    height: 220,
    width: 220,
  },
  controls: {
    flexDirection: 'row',
  },
  songs: {
    marginTop: 10,
    marginBottom: 30,
    width: '100%',
  },
  fallback: {
    alignItems: 'center',
    paddingTop: 100,
  },
})

export default React.memo(AlbumView)