// (c) Copyright 2023 Supertenant Ltd. - all rights reserved.
// See LICENSE file in project root for license terms.

'use strict';

const { superbrain } = require('@supertenant/superbrain');
const consts = require('@supertenant/superconsts');
const { getOrCreateTask } = require('./tracing/taskManager');
const { instrumentFastify } = require('./tracing/instrumentation/frameworks/fastify');

class SuperTenantSDK {
  /**
   * Sets the tenant identifier for the current run context.
   * @param {string} tenantId
   * @returns {boolean}
   */
  setTenantId(tenantId) {
    try {
      const taskId = getOrCreateTask();
      return superbrain.setLabelOnSharedData(taskId, consts.Label.SupertenantTenantId, tenantId);
    } catch (e) {
      return false;
    }
  }

  /**
   * Instruments Fastify, with optional tenant getter function which should return string
   * @param {object} app
   * @param {string} hook
   * @param {(object) => string | Promise<string>} tenantGetter
   */

  instrumentFastify(app, hook, tenantGetter) {
    instrumentFastify(app, hook, tenantGetter);
  }
}

/**
 * Returns a new instance of the SuperTenant SDK
 *
 * @returns {SuperTenantSDK}
 */
function getSuperTenantSDK() {
  return new SuperTenantSDK();
}

module.exports = getSuperTenantSDK;