/**
 * @name registerInstrumentation
 * @description This file is used to register Sentry instrumentation for your Next.js application.
 *
 * Please set the MONITORING_PROVIDER environment variable to 'sentry' to register Sentry instrumentation.
 */
export async function registerInstrumentation() {
  const serviceName = process.env.INSTRUMENTATION_SERVICE_NAME;

  if (!serviceName) {
    throw new Error(
      `You have set the Sentry instrumentation provider, but have not set the INSTRUMENTATION_SERVICE_NAME environment variable. Please set the INSTRUMENTATION_SERVICE_NAME environment variable.`,
    );
  }

  const { Resource } = await import('@opentelemetry/resources');
  const { NodeSDK } = await import('@opentelemetry/sdk-node');

  const { SEMRESATTRS_SERVICE_NAME } = await import(
    '@opentelemetry/semantic-conventions'
  );

  const { SentrySpanProcessor, SentryPropagator } = await import(
    '@sentry/opentelemetry-node'
  );

  const sdk = new NodeSDK({
    resource: new Resource({
      [SEMRESATTRS_SERVICE_NAME]: serviceName,
    }),
    spanProcessor: new SentrySpanProcessor(),
    textMapPropagator: new SentryPropagator(),
  });

  sdk.start();
}