import type { FastifyInstance } from 'fastify';
import { z } from 'zod';
import { getDb, contactMessages } from '@lawdesk/db';
import { sendEmail, contactAckEmail, contactNotifyEmail } from '../lib/email';
import { env } from '../env';

const contactBody = z.object({
  fullName: z.string().min(1).max(120).trim(),
  email: z.string().email().max(254).toLowerCase().trim(),
  message: z.string().min(1).max(5000).trim(),
});

export async function contactRoutes(app: FastifyInstance) {
  app.post(
    '/api/contact',
    { config: { rateLimit: { max: 5, timeWindow: '10 minutes' } } },
    async (req, reply) => {
      const parsed = contactBody.safeParse(req.body);
      if (!parsed.success) return reply.code(400).send({ error: 'invalid_input' });
      const body = parsed.data;
      await getDb().insert(contactMessages).values({
        fullName: body.fullName,
        email: body.email,
        message: body.message,
        ip: req.ip ?? null,
      });
      const tpl = contactAckEmail(body.fullName);
      sendEmail({ to: body.email, ...tpl }).catch((err) =>
        app.log.warn({ err }, 'contact ack email failed'),
      );
      // Notify the team — reply-to points at the submitter so answering is one click.
      const notify = contactNotifyEmail({
        fromName: body.fullName,
        fromEmail: body.email,
        message: body.message,
        ip: req.ip ?? null,
      });
      for (const admin of env.superadminEmails) {
        sendEmail({ to: admin, ...notify, replyTo: body.email }).catch((err) =>
          app.log.warn({ err }, 'contact notify email failed'),
        );
      }
      return reply.code(201).send({ ok: true });
    },
  );
}