import { json } from '@sveltejs/kit';
import type { RequestHandler } from './$types';
import { googleAuthServer } from '$lib/google/server.ts';
import { google } from 'googleapis';

export const GET: RequestHandler = async ({ request }) => {
	try {
		const authHeader = request.headers.get('authorization');
		
		if (!authHeader?.startsWith('Bearer ')) {
			return json({ error: 'Missing or invalid authorization header' }, { status: 401 });
		}

		const accessToken = authHeader.slice(7);
		
		// Create OAuth client with the token
		const oauth = googleAuthServer.getOAuthClient();
		oauth.setCredentials({ access_token: accessToken });
		
		// Call the userinfo endpoint to get user details
		const oauth2 = google.oauth2({ version: 'v2', auth: oauth });
		const userInfo = await oauth2.userinfo.get();
		
		return json({
			email: userInfo.data.email,
			name: userInfo.data.name,
			picture: userInfo.data.picture
		});
	} catch (error) {
		console.error('Error fetching user info:', error);
		return json({ error: 'Failed to fetch user info' }, { status: 500 });
	}
};