require 'rails_helper'
require 'webmock/rspec'
require 'json'

RSpec.describe CreateAccount, type: :model do
  describe "#create_user_in_database" do
    let(:service) { CreateAccount.new(
      username: 'isaacnewton',
      email: 'isaacnewton@example.com',
      password: 'bright-ideas-in-autumn'
    )}

    it "creates a new user record in the akkounts database" do
      expect(User.count).to eq(0)
      service.send(:create_user_in_database)
      expect(User.count).to eq(1)
      expect(User.last.cn).to eq("isaacnewton")
      expect(User.last.email).to eq("isaacnewton@example.com")
    end
  end

  describe "#update_invitation" do
    let(:invitation) { create :invitation }
    let(:service) { CreateAccount.new(
      username: 'isaacnewton',
      email: 'isaacnewton@example.com',
      password: 'bright-ideas-in-autumn',
      invitation: invitation
    )}

    before(:each) do
      service.send(:update_invitation, 23)
    end

    it "marks the invitation as used" do
      expect(invitation.used_at).not_to be_nil
    end

    it "saves the invited user's ID" do
      expect(invitation.invited_user_id).to eq(23)
    end
  end

  describe "#add_ldap_document" do
    include ActiveJob::TestHelper

    let(:service) { CreateAccount.new(
      username: 'halfinney',
      email: 'halfinney@example.com',
      password: 'remember-remember-the-5th-of-november'
    )}

    it "enqueues a job to create the LDAP user document" do
      service.send(:add_ldap_document)

      expect(enqueued_jobs.size).to eq(1)

      args = enqueued_jobs.first['arguments']
      expect(args[0]).to eq('halfinney')
      expect(args[1]).to eq('kosmos.org')
      expect(args[2]).to eq('halfinney@example.com')
      expect(args[3]).to match(/^{SSHA512}.{171}=/)
    end

    after do
      clear_enqueued_jobs
    end
  end

  describe "#exchange_xmpp_contacts" do
    let(:inviter) { create :user, cn: "willherschel", ou: "kosmos.org" }
    let(:invitation) { create :invitation, user: inviter }
    let(:service) { CreateAccount.new(
      username: 'isaacnewton',
      email: 'isaacnewton@example.com',
      password: 'bright-ideas-in-autumn',
      invitation: invitation
    )}

    before do
      stub_request(:post, "http://xmpp.example.com/api/add_rosteritem")
        .to_return(status: 200, body: "", headers: {})
    end

    it "posts add_rosteritem commands to the ejabberd API" do
      service.send(:exchange_xmpp_contacts)

      expect(WebMock).to have_requested(:post, "http://xmpp.example.com/api/add_rosteritem")
        .with { |req| req.body == '{"localuser":"isaacnewton","localhost":"kosmos.org","user":"willherschel","host":"kosmos.org","nick":"willherschel","group":"Friends","subs":"both"}' }
      expect(WebMock).to have_requested(:post, "http://xmpp.example.com/api/add_rosteritem")
        .with { |req| req.body == '{"localuser":"willherschel","localhost":"kosmos.org","user":"isaacnewton","host":"kosmos.org","nick":"isaacnewton","group":"Friends","subs":"both"}' }
    end
  end
end