import { Factory } from 'ember-cli-mirage';
import faker from 'nomad-ui/mirage/faker';
import { provide } from '../utils';
import { DATACENTERS } from '../common';

const UUIDS = provide(100, faker.random.uuid.bind(faker.random));
const AGENT_STATUSES = ['alive', 'leaving', 'left', 'failed'];
const AGENT_BUILDS = ['1.1.0-beta', '1.0.2-alpha+ent', ...provide(5, faker.system.semver)];

export default Factory.extend({
  id: i => (i / 100 >= 1 ? `${UUIDS[i]}-${i}` : UUIDS[i]),

  name: () => generateName(),

  config: {
    Version: {
      Version: '1.1.0',
      VersionMetadata: 'ent',
      VersionPrerelease: 'dev',
    },
  },

  member() {
    const serfPort = faker.random.number({ min: 4000, max: 4999 });
    return {
      Name: this.name,
      Port: serfPort,
      Status: faker.helpers.randomize(AGENT_STATUSES),
      Address: generateAddress(this.name),
      Tags: generateTags(serfPort),
    };
  },

  version() {
    return this.member.Tags?.build || '';
  },
});

function generateName() {
  return `nomad@${faker.random.boolean() ? faker.internet.ip() : faker.internet.ipv6()}`;
}

function generateAddress(name) {
  return name.split('@')[1];
}

function generateTags(serfPort) {
  const rpcPortCandidate = faker.random.number({ min: 4000, max: 4999 });
  return {
    port: rpcPortCandidate === serfPort ? rpcPortCandidate + 1 : rpcPortCandidate,
    dc: faker.helpers.randomize(DATACENTERS),
    build: faker.helpers.randomize(AGENT_BUILDS),
  };
}