import { NextResponse } from 'next/server';
import Imap from 'imap';

export async function POST(request: Request) {
  try {
    const { email, password, host, port } = await request.json();

    if (!email || !password || !host || !port) {
      return NextResponse.json(
        { error: 'Missing required fields' },
        { status: 400 }
      );
    }

    const imapConfig = {
      user: email,
      password,
      host,
      port: parseInt(port),
      tls: true,
      authTimeout: 10000,
      connTimeout: 10000,
      debug: (info: string) => console.log('IMAP Debug:', info)
    };

    console.log('Testing IMAP connection with config:', {
      ...imapConfig,
      password: '***',
      email
    });

    const imap = new Imap(imapConfig);

    const connectPromise = new Promise((resolve, reject) => {
      imap.once('ready', () => {
        imap.end();
        resolve(true);
      });
      imap.once('error', (err: Error) => {
        imap.end();
        reject(err);
      });
      imap.connect();
    });

    await connectPromise;

    return NextResponse.json({ success: true });
  } catch (error) {
    console.error('Error testing connection:', error);
    return NextResponse.json(
      { error: error instanceof Error ? error.message : 'Failed to connect to email server' },
      { status: 500 }
    );
  }
}