/**
 * Notification Routes – user notifications
 */
import type { FastifyInstance } from 'fastify';
import type { DatabaseInterface } from '../database/DatabaseInterface.js';
import { requireAuth } from '../auth/authMiddleware.js';
import type { AuthService } from '../auth/AuthService.js';

export function registerNotificationRoutes(fastify: FastifyInstance, db: DatabaseInterface, authService: AuthService) {
  // List notifications for current user
  fastify.get('/api/notifications', async (request, reply) => {
    const user = requireAuth(request, reply, authService);
    if (!user) return;
    return db.listNotifications(user.id);
  });

  // Create a notification
  fastify.post('/api/notifications', async (request, reply) => {
    const user = requireAuth(request, reply, authService);
    if (!user) return;
    const body = request.body as { type?: string; title: string; message?: string; project_id?: string };
    if (!body.title) return reply.code(400).send({ error: 'Title is required' });
    return db.createNotification({
      user_id: user.id,
      project_id: body.project_id ?? null,
      type: body.type ?? 'info',
      title: body.title,
      message: body.message ?? null,
    });
  });

  // Mark single notification as read
  fastify.put('/api/notifications/:id/read', async (request, reply) => {
    const user = requireAuth(request, reply, authService);
    if (!user) return;
    const { id } = request.params as { id: string };
    const ok = db.markNotificationRead(id);
    if (!ok) return reply.code(404).send({ error: 'Notification not found' });
    return { success: true };
  });

  // Mark all notifications as read
  fastify.put('/api/notifications/read-all', async (request, reply) => {
    const user = requireAuth(request, reply, authService);
    if (!user) return;
    db.markAllNotificationsRead(user.id);
    return { success: true };
  });

  // Delete a notification
  fastify.delete('/api/notifications/:id', async (request, reply) => {
    const user = requireAuth(request, reply, authService);
    if (!user) return;
    const { id } = request.params as { id: string };
    const ok = db.deleteNotification(id);
    if (!ok) return reply.code(404).send({ error: 'Notification not found' });
    return { success: true };
  });
}