// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
import type { NextApiRequest, NextApiResponse } from "next";
import { withIronSessionApiRoute } from "iron-session/next";
import { sessionOptions } from "@/lib/session";
import axios from "axios";
import formidable from "formidable-serverless";
import fs from "fs";
import FormData from 'form-data';


export default withIronSessionApiRoute(handler, sessionOptions);


async function handler(req: NextApiRequest, res: NextApiResponse) {
	if (!req.session.user) {
		return res.status(401).json({ ok: false });
	}

	const form = new formidable.IncomingForm();

	try {
		const files = await new Promise((resolve, reject) => {
			form.parse(req, (err: any, _: any, files: any) => {
				if (err) reject(err);
				else resolve(files);
			});
		});


		const audioFile = (files as any).audio;
		if (!audioFile) {
			return res.status(400).json({ ok: false, error: 'Audio file not found in request' });
		}

		const formData = new FormData();
		const buffer = fs.readFileSync(audioFile.path);
		formData.append('audio', buffer, audioFile.name);

		try {
			const response = await axios.post(
				`${process.env.BACKEND_URL}/listening/transcribe`,
				formData,
				{
					headers: {
						...formData.getHeaders(),
						Authorization: `Bearer ${process.env.BACKEND_JWT}`,
					},
				}
			);

			return res.status(200).json(response.data);
		} finally {
			if (fs.existsSync(audioFile.path)) {
				fs.rmSync(audioFile.path);
			}
		}
	} catch (error) {
		console.error('Error:', error);
		return res.status(500).json({ ok: false });
	}
}

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