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@Post('webhook')
@UseInterceptors(PolarWebhookLoggerInterceptor)
async handleWebhook(
  @Req() req: Request,
  @Headers() headers: Record<string, string>,
  @Body() payload: Record<string, unknown>,
) {
  const secret = this.config.get<string>('POLAR_WEBHOOK_SECRET') ?? '';
  const rawBody: Buffer =
    (req as Request & { rawBody?: Buffer }).rawBody ??
    Buffer.from(JSON.stringify(payload));

  try {
    await this.polarEventHandler.handleEvent(rawBody, headers, secret);
  } catch (err) {
    if (err instanceof WebhookVerificationError) {
      throw new BadRequestException('Invalid webhook signature');
    }
    throw err;
  }

  const eventType = (payload.type as string) ?? 'unknown';
  const environment = this.config.get('POLAR_ENVIRONMENT');
  await this.polarService.createPaymentRecord(
    eventType,
    payload,
    environment ?? 'Test',
  );

  return { received: true };
}