import { Router } from 'express';
import { verifyToken } from '../middleware/auth';
import { createLogger } from '../utils/logger';
import { SupportTicketModel } from '../models/SupportTicket';

const router = Router();
const logger = createLogger('SupportRoutes');

/**
 * POST /support/ticket
 * Submit a new support ticket (authenticated)
 */
router.post('/ticket', verifyToken, async (req, res) => {
  try {
    const { category, subject, message } = req.body;
    const user = (req as any).user;

    if (!category || !subject || !message) {
      res.status(400).json({ error: 'category, subject, and message are required' });
      return;
    }

    if (subject.trim().length < 3) {
      res.status(400).json({ error: 'Subject must be at least 3 characters' });
      return;
    }

    if (message.trim().length < 10) {
      res.status(400).json({ error: 'Message must be at least 10 characters' });
      return;
    }

    const ticketId = `TKT-${Date.now()}-${Math.random().toString(36).slice(2, 7).toUpperCase()}`;

    await SupportTicketModel.create({
      ticketId,
      userId: user.userId,
      email: user.email,
      category: category.trim(),
      subject: subject.trim(),
      message: message.trim(),
      status: 'open',
    });

    logger.info('Support ticket created', { ticketId, userId: user.userId, category: category.trim() });

    res.status(201).json({ ticketId, message: 'Ticket submitted successfully' });
  } catch (error) {
    logger.error('Failed to create support ticket', {
      error: error instanceof Error ? error.message : String(error),
    });
    res.status(500).json({ error: 'Failed to submit ticket' });
  }
});

/**
 * GET /support/tickets
 * Get the current user's tickets (authenticated)
 */
router.get('/tickets', verifyToken, async (req, res) => {
  try {
    const user = (req as any).user;
    const tickets = await SupportTicketModel.find({ userId: user.userId }).sort({ createdAt: -1 }).lean();
    res.json({ tickets });
  } catch (error) {
    logger.error('Failed to fetch tickets', {
      error: error instanceof Error ? error.message : String(error),
    });
    res.status(500).json({ error: 'Failed to fetch tickets' });
  }
});

export default router;