import express from 'express';
import { saveLead, getLeads } from '../db.js';
import { sendContactEmail } from '../services/mailService.js';

const router = express.Router();

// POST /api/contact - Handle Contact Us Form submission via SMTP
router.post('/', async (req, res) => {
  try {
    const { name, email, phone, mobile, subject, message, interests, type } = req.body;

    const contactName = name?.trim();
    const contactEmail = email?.trim();
    const contactPhone = (phone || mobile || '').trim();
    const contactSubject = (subject || interests || type || 'General Inquiry').trim();
    const contactMessage = (message || req.body.comments || '').trim();

    if (!contactName || !contactEmail) {
      return res.status(400).json({ error: 'Name and Email are required.' });
    }

    // Save lead record in database
    const lead = saveLead({
      name: contactName,
      email: contactEmail,
      phone: contactPhone,
      subject: contactSubject,
      message: contactMessage,
      type: type || 'contact'
    });

    // Attempt sending email via SMTP service
    const mailResult = await sendContactEmail({
      name: contactName,
      email: contactEmail,
      phone: contactPhone,
      subject: contactSubject,
      message: contactMessage
    });

    if (!mailResult.success) {
      // If SMTP is not yet configured or fails, return 200 with lead saved & warning
      return res.status(200).json({
        success: true,
        saved: true,
        leadId: lead.id,
        smtpError: mailResult.error,
        message: 'Your message was saved successfully. Note: SMTP email dispatch requires SMTP credentials in .env.'
      });
    }

    return res.status(200).json({
      success: true,
      saved: true,
      leadId: lead.id,
      messageId: mailResult.messageId,
      message: 'Message sent successfully via SMTP!'
    });
  } catch (error) {
    console.error('[Contact Route Error]', error);
    return res.status(500).json({ error: error.message || 'Internal Server Error' });
  }
});

// GET /api/contact/leads - Retrieve saved contact leads
router.get('/leads', (_req, res) => {
  try {
    const leads = getLeads();
    return res.json({ success: true, leads });
  } catch (error) {
    return res.status(500).json({ error: error.message });
  }
});

export default router;