/**
 * This file is part of the NocoBase (R) project.
 * Copyright (c) 2020-2024 NocoBase Co., Ltd.
 * Authors: NocoBase Team.
 *
 * This project is dual-licensed under AGPL-3.0 and NocoBase Commercial License.
 * For more information, please refer to: https://www.nocobase.com/agreement.
 */

var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
  // If the importer is in node compatibility mode or this is not an ESM
  // file that has been converted to a CommonJS file using a Babel-
  // compatible transform (i.e. "__esModule" has not been set), then set
  // "default" to the CommonJS "module.exports" for node compatibility.
  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
  mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var snowflake_exports = {};
__export(snowflake_exports, {
  default: () => snowflake_default
});
module.exports = __toCommonJS(snowflake_exports);
var import_nodejs_snowflake = require("nodejs-snowflake");
var import_os = __toESM(require("os"));
class Snowflake {
  snowflake;
  constructor(epoch) {
    const interfaces = import_os.default.networkInterfaces();
    let instanceId;
    let hasFound = false;
    for (const name of Object.keys(interfaces)) {
      if (!/^(eth|en|wl)/.test(name)) {
        continue;
      }
      const addresses = interfaces[name];
      for (const addr of addresses) {
        if (addr.family === "IPv4" && !addr.internal) {
          try {
            const parts = addr.address.split(".").map((part) => parseInt(part, 10));
            if (parts.length !== 4 || parts.some((p) => p < 0 || p > 255)) {
              continue;
            }
            const ipNum = (parts[0] << 24 | parts[1] << 16 | parts[2] << 8 | parts[3]) >>> 0;
            instanceId = ipNum % 100;
            hasFound = true;
          } catch (err) {
            continue;
          }
        }
        if (instanceId) {
          break;
        }
      }
    }
    this.snowflake = new import_nodejs_snowflake.Snowflake({
      instance_id: instanceId,
      custom_epoch: epoch
    });
  }
  generate() {
    return this.snowflake.getUniqueID();
  }
}
var snowflake_default = Snowflake;
