// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
/**
 * Copied with modification from src/frontend/utils/telemetry/SessionIdProcessor.ts
 */
import { Context } from "@opentelemetry/api";
import {
  ReadableSpan,
  Span,
  SpanProcessor,
} from "@opentelemetry/sdk-trace-web";
import SessionGateway from "@/gateways/Session.gateway";

export class SessionIdProcessor implements SpanProcessor {
  forceFlush(): Promise<void> {
    return Promise.resolve();
  }

  // eslint-disable-next-line @typescript-eslint/no-unused-vars
  onStart(span: Span, parentContext: Context): void {
    SessionGateway.getSession().then(({ userId }) => {
      span.setAttribute("session.id", userId);
    });
  }

  // eslint-disable-next-line @typescript-eslint/no-unused-vars, @typescript-eslint/no-empty-function
  onEnd(span: ReadableSpan): void {}

  shutdown(): Promise<void> {
    return Promise.resolve();
  }
}