import { json } from '@sveltejs/kit';
import { parseBuffer } from 'music-metadata';
import { writeFile } from 'fs/promises';
import { join } from 'path';
import { unlink } from 'fs/promises';

export const config = {
	api: {
		bodyParser: false
	}
};

export async function POST({ request }) {
	try {
		const formData = await request.formData();
		const file = formData.get('upload');

		if (!file) {
			return json({ error: 'No file uploaded' }, { status: 400 });
		}

		// Save the file temporarily
		const buffer = await file.arrayBuffer();
		const tempPath = join('/tmp', `upload_${Date.now()}_${file.name}`);
		await writeFile(tempPath, Buffer.from(buffer));

		// Parse metadata
		const metadata = await parseBuffer(Buffer.from(buffer));

		// Clean up the temporary file
		// You might want to handle this asynchronously or use a try-finally block
		await unlink(tempPath);

		return json({ metadata });
	} catch (error) {
		console.error('Error processing file:', error);
		return json({ error: 'Failed to process file' }, { status: 500 });
	}
}