import PropTypes from 'prop-types'
import List from '@mui/material/List'
import ListSubheader from '@mui/material/ListSubheader'
import Typography from '@mui/material/Typography'
import Box from '@mui/material/Box'
import {useTheme, useColorScheme, styled} from '@mui/material/styles'
import Table from '@mui/material/Table'
import TableHead from '@mui/material/TableHead'
import TableBody from '@mui/material/TableBody'
import TableCell, {tableCellClasses} from '@mui/material/TableCell'
import TableRow from '@mui/material/TableRow'
import TableContainer from '@mui/material/TableContainer'
import Paper from '@mui/material/Paper'
import FileSaver from 'file-saver'
import DescriptionIcon from '@mui/icons-material/Description'
import LibraryMusicIcon from '@mui/icons-material/LibraryMusic'
import {Link} from '@mui/material'

const apiUrl = process.env.NEXT_PUBLIC_API_URL_ROOT || 'http://localhost:1337'

const StyledTableCell = styled(TableCell)(({theme}) => ({
  [`&.${tableCellClasses.head}`]: {
    backgroundColor: theme.palette.common.black,
    color: theme.palette.common.white,
  },
  [`&.${tableCellClasses.body}`]: {
    fontSize: 14,
  },
}))

const StyledTableRow = styled(TableRow)(({theme}) => ({
  '&:nth-of-type(odd)': {
    backgroundColor: theme.palette.action.hover,
  },
  '&:last-child td, &:last-child th': {
    border: 0,
  },
}))

function formatSize(size) {
  if (size < 1000) {
    return Math.round(size) + ' Kb'
  }

  const mbSize = size / 1000
  return Math.round(mbSize) + ' Mb'
}

export default function FilesList({files}) {
  const theme = useTheme()
  const {mode} = useColorScheme()

  const musicFiles = files.filter(file => file.mime.startsWith('audio'))
  const pdfFiles = files.filter(file => file.mime === 'application/pdf')

  const sortedMusicFiles = musicFiles.sort((a, b) => {
    const extensionOrder = {
      '.flac': 0,
      '.ogg': 1,
      '.aac': 2,
      '.mp3': 3
    }
    return extensionOrder[a.ext.toLowerCase()] - extensionOrder[b.ext.toLowerCase()]
  })

  const handleClick = (e, url, fileName) => {
    e.stopPropagation()
    FileSaver.saveAs(url, fileName)
  }

  const getQuality = (extension, caption) => {
    switch (extension) {
      case '.ogg':
      case '.aac':
      case '.mp3':
        return (
          <Typography sx={{
            backgroundColor: '#393940',
            color: '#fff',
            borderRadius: '0.66rem',
            border: mode === 'dark' ? '1px solid #fff' : 'none',
            fontSize: '0.75rem',
            letterSpacing: '0.1rem',
            padding: '0.2515rem 0.6707rem',
            textTransform: 'uppercase',
            fontWeight: 'bold'
          }}
          >Faible</Typography>
        )
      case '.flac':
        if (caption === 'MAX') {
          return (
            <Typography sx={{
              backgroundColor: '#332619',
              color: '#ffbe7d',
              borderRadius: '0.66rem',
              border: mode === 'dark' ? '1px solid #ffbe7d' : 'none',
              fontSize: '0.75rem',
              letterSpacing: '0.1rem',
              padding: '0.2515rem 0.6707rem',
              textTransform: 'uppercase',
              fontWeight: 'bold',
              textAlign: 'center'
            }}
            >{caption}</Typography>
          )
        }

        if (caption === 'HAUTE') {
          return (
            <Typography sx={{
              backgroundColor: '#07332f',
              color: '#21feec',
              borderRadius: '0.66rem',
              border: mode === 'dark' ? '1px solid #21feec' : 'none',
              fontSize: '0.75rem',
              letterSpacing: '0.1rem',
              padding: '0.2515rem 0.6707rem',
              textTransform: 'uppercase',
              fontWeight: 'bold'
            }}
            >{caption}</Typography>
          )
        }

        return (
          <Typography sx={{
            backgroundColor: '#07332f',
            color: '#21feec',
            borderRadius: '0.66rem',
            border: mode === 'dark' ? '1px solid #21feec' : 'none',
            fontSize: '0.75rem',
            letterSpacing: '0.1rem',
            padding: '0.2515rem 0.6707rem',
            textTransform: 'uppercase',
            fontWeight: 'bold'
          }}
          >Haute</Typography>
        )

      default:
        return <DescriptionIcon sx={{marginRight: 1}} />
    }
  }

  return (
    <>
      {musicFiles.length > 0 && (
        <List
          sx={{width: '100%', maxWidth: 800}}
          component='nav'
          aria-labelledby='nested-list-subheader'
        >
          <ListSubheader disableSticky sx={{backgroundColor: mode === 'light' ? theme.palette.grey[100] : theme.palette.background.default}} color='primary'>
            <Box paddingBlock={1} display='flex' justifyContent='center'>
              <LibraryMusicIcon />
              <Typography gutterBottom marginLeft={1} variant='button'>Musiques</Typography>
            </Box>
          </ListSubheader>
          <TableContainer component={Paper}>
            <Table size='small' aria-label='Musiques'>
              <caption><small><strong>MAX</strong> : <i>Jusqu’à 24-bit, 96 kHz, ≃ 3000 kbps (flac)</i><br /> <strong>HAUTE</strong> : <i>16 bits, ≃ 900 kbps (flac)</i></small><br /> <small><strong>FAIBLE</strong> : <i>320 kbps (ogg / aac / mp3)</i></small></caption>
              <TableHead>
                <TableRow>
                  <StyledTableCell align='center'>QUALITÉ</StyledTableCell>
                  <StyledTableCell />
                </TableRow>
              </TableHead>
              <TableBody>
                {sortedMusicFiles.map(file => (
                  <StyledTableRow key={file.id}>
                    <StyledTableCell>
                      {getQuality(file.ext.toLowerCase(), file?.caption?.toUpperCase())}
                    </StyledTableCell>
                    <StyledTableCell align='left'>
                      <Link
                        href='#'
                        underline='hover'
                        sx={{fontWeight: 'bold'}}
                        aria-label='download'
                        onClick={e => handleClick(e, `${apiUrl}${file.url}`, file.name)}
                      >
                        {file.name}
                      </Link>
                      <small style={{marginLeft: 3}}>({formatSize(file.size)})</small>
                    </StyledTableCell>
                  </StyledTableRow>
                ))}
              </TableBody>
            </Table>
          </TableContainer>
        </List>
      )}

      {pdfFiles.length > 0 && (
        <List
          sx={{width: '100%', maxWidth: 800}}
          component='nav'
          aria-labelledby='nested-list-subheader'
        >
          <ListSubheader disableSticky sx={{marginTop: 2, backgroundColor: mode === 'light' ? theme.palette.grey[100] : theme.palette.background.default}} color='primary'>
            <Box paddingBlock={1} display='flex' justifyContent='center' alignSelf='center'>
              <DescriptionIcon />
              <Typography gutterBottom marginLeft={1} variant='button'>Paroles</Typography>
            </Box>
          </ListSubheader>
          <TableContainer component={Paper}>
            <Table size='small' aria-label='Paroles'>
              <TableHead>
                <TableRow>
                  <StyledTableCell>LANGUE</StyledTableCell>
                  <StyledTableCell />
                </TableRow>
              </TableHead>
              <TableBody>
                {pdfFiles.map(file => (
                  <StyledTableRow key={file.id}>
                    <StyledTableCell>
                      <strong>
                        {file.caption}
                      </strong>
                    </StyledTableCell>
                    <StyledTableCell align='left'>
                      <Link
                        href='#'
                        underline='hover'
                        sx={{fontWeight: 'bold'}}
                        aria-label='download'
                        onClick={e => handleClick(e, `${apiUrl}${file.url}`, file.name)}
                      >
                        {file.name}
                      </Link>
                      <small style={{marginLeft: 3}}>({formatSize(file.size)})</small>
                    </StyledTableCell>
                  </StyledTableRow>
                ))}
              </TableBody>
            </Table>
          </TableContainer>
        </List>
      )}
    </>
  )
}

FilesList.propTypes = {
  files: PropTypes.array.isRequired
}