124 lines
4.0 KiB
TypeScript

import React, { useMemo, memo } from "react";
import { Box, VStack, Text, Divider } from "@chakra-ui/react";
import { Song } from "../types/interfaces";
import { formatDuration } from '../utils/formatters';
interface SongDetailsProps {
song: Song | null;
}
const calculateBitrate = (size: string, totalTime: string): number | null => {
if (!size || !totalTime) return null;
// Convert size from bytes to bits
const bits = parseInt(size) * 8;
// Convert duration to seconds (handle both milliseconds and seconds format)
const seconds = parseInt(totalTime) / (totalTime.length > 4 ? 1000 : 1);
if (seconds <= 0) return null;
// Calculate bitrate in kbps
return Math.round(bits / seconds / 1000);
};
export const SongDetails: React.FC<SongDetailsProps> = memo(({ song }) => {
// Memoize expensive calculations
const songDetails = useMemo(() => {
if (!song) return null;
// Calculate bitrate only if imported value isn't available
const calculatedBitrate = song.size && song.totalTime ? calculateBitrate(song.size, song.totalTime) : null;
const displayBitrate = song.bitRate ?
`${song.bitRate} kbps` :
(calculatedBitrate ? `${calculatedBitrate} kbps (calculated)` : undefined);
const details = [
{ label: "Title", value: song.title },
{ label: "Artist", value: song.artist },
{ label: "Duration", value: formatDuration(song.totalTime || '') },
{ label: "Album", value: song.album },
{ label: "Genre", value: song.genre },
{ label: "BPM", value: song.averageBpm },
{ label: "Key", value: song.tonality },
{ label: "Year", value: song.year },
{ label: "Label", value: song.label },
{ label: "Mix", value: song.mix },
{ label: "Rating", value: song.rating },
{ label: "Bitrate", value: displayBitrate },
{ label: "Comments", value: song.comments },
].filter(detail => detail.value);
return { details, displayBitrate };
}, [song]);
if (!song) {
return (
<Box p={4} bg="gray.800" borderRadius="md">
<Text color="gray.400">Select a song to view details</Text>
</Box>
);
}
if (!songDetails) {
return (
<Box p={4} bg="gray.800" borderRadius="md">
<Text color="gray.400">Loading song details...</Text>
</Box>
);
}
return (
<Box p={4} bg="gray.800" borderRadius="md">
<VStack align="stretch" spacing={4}>
<Box>
<Text fontSize="lg" fontWeight="bold" color="white">
{song.title}
</Text>
<Text fontSize="md" color="gray.400">
{song.artist}
</Text>
</Box>
<Divider borderColor="gray.700" />
<VStack align="stretch" spacing={3}>
{songDetails.details.map(({ label, value }) => (
<Box key={label}>
<Text fontSize="xs" color="gray.500" mb={1}>
{label}
</Text>
<Text fontSize="sm" color="gray.300">
{value}
</Text>
</Box>
))}
</VStack>
{song.tempo && (
<>
<Divider borderColor="gray.700" />
<Box>
<Text fontSize="xs" color="gray.500" mb={2}>
Tempo Details
</Text>
<VStack align="stretch" spacing={2}>
<Box>
<Text fontSize="xs" color="gray.500">BPM</Text>
<Text fontSize="sm" color="gray.300">{song.tempo.bpm}</Text>
</Box>
<Box>
<Text fontSize="xs" color="gray.500">Beat</Text>
<Text fontSize="sm" color="gray.300">{song.tempo.battito}</Text>
</Box>
<Box>
<Text fontSize="xs" color="gray.500">Time Signature</Text>
<Text fontSize="sm" color="gray.300">{song.tempo.metro}</Text>
</Box>
</VStack>
</Box>
</>
)}
</VStack>
</Box>
);
});
SongDetails.displayName = 'SongDetails';