import * as z from 'zod';

import { apiError, apiSuccess, emailSchema } from '@kit/next/route-helpers';
import { getLogger } from '@kit/shared/logger';

const ContactSchema = z.object({
  recipientEmail: z.string().optional(),
  name: z.string().optional(),
  email: emailSchema,
  subject: z.string().optional(),
  message: z.string().min(1, 'Nachricht ist erforderlich'),
});

export async function POST(request: Request) {
  const logger = await getLogger();

  try {
    const body = await request.json();
    const parsed = ContactSchema.safeParse(body);

    if (!parsed.success) {
      return apiError(parsed.error.issues[0]?.message ?? 'Ungültige Eingabe');
    }

    const { recipientEmail, name, email, subject, message } = parsed.data;

    // In production: use @kit/mailers to send the email
    // For now: log and return success
    logger.info(
      {
        to: recipientEmail || 'admin',
        from: email,
        name,
        subject: subject || 'Kontaktanfrage',
        message,
      },
      '[contact] Form submission',
    );

    // TODO: Wire to @kit/mailers
    // const mailer = await getMailer();
    // await mailer.sendMail({
    //   to: recipientEmail,
    //   from: email,
    //   subject: subject || 'Kontaktanfrage von der Website',
    //   text: `Name: ${name}\nE-Mail: ${email}\n\n${message}`,
    // });

    return apiSuccess({ message: 'Nachricht gesendet' });
  } catch (err) {
    logger.error({ error: err, context: 'contact' }, '[contact] Error');
    return apiError('Serverfehler', 500);
  }
}