require 'rails_helper'

RSpec.describe User, type: :model do
  let(:user) { create :user, cn: "philipp" }
  let(:dn) { "cn=philipp,ou=kosmos.org,cn=users,dc=kosmos,dc=org" }

  describe "#address" do
    let(:user) { build :user, cn: "jimmy", ou: "kosmos.org" }

    it "returns the user address" do
      expect(user.address).to eq("jimmy@kosmos.org")
    end
  end

  describe "#is_admin?" do
    it "returns true when admin flag is set in LDAP" do
      expect(Devise::LDAP::Adapter).to receive(:get_ldap_param)
        .with(user.cn, :admin)
        .and_return("true")

      expect(user.is_admin?).to be true
    end

    it "returns false when admin flag is not set in LDAP" do
      expect(Devise::LDAP::Adapter).to receive(:get_ldap_param)
        .with(user.cn, :admin)
        .and_return(nil)

      expect(user.is_admin?).to be false
    end
  end

  describe "#services_enabled" do
    it "returns the entries from the LDAP service attribute" do
      expect(user).to receive(:ldap_entry).and_return({
        uid: user.cn, ou: user.ou, mail: user.email, admin: nil,
        service: ["discourse", "gitea", "wiki", "xmpp"]
      })
      expect(user.services_enabled).to eq(["discourse", "gitea", "wiki", "xmpp"])
    end
  end

  describe "#enable_service" do
    before do
      allow(user).to receive(:ldap_entry).and_return({
        uid: user.cn, ou: user.ou, mail: user.email, admin: nil,
        service: ["discourse", "gitea"]
      })
      allow(user).to receive(:dn).and_return(dn)
    end

    it "adds the service to the LDAP entry" do
      expect_any_instance_of(LdapService).to receive(:replace_attribute)
        .with(dn, :service, ["discourse", "gitea", "wiki"]).and_return(true)

      user.enable_service(:wiki)
    end

    it "adds multiple service to the LDAP entry" do
      expect_any_instance_of(LdapService).to receive(:replace_attribute)
        .with(dn, :service, ["discourse", "gitea", "wiki", "xmpp"]).and_return(true)

      user.enable_service([:wiki, :xmpp])
    end
  end

  describe "#disable_service" do
    before do
      allow(user).to receive(:ldap_entry).and_return({
        uid: user.cn, ou: user.ou, mail: user.email, admin: nil,
        service: ["discourse", "gitea", "xmpp"]
      })
      allow(user).to receive(:dn).and_return(dn)
    end

    it "removes the service from the LDAP entry" do
      expect_any_instance_of(LdapService).to receive(:replace_attribute)
        .with(dn, :service, ["discourse", "gitea"]).and_return(true)

      user.disable_service(:xmpp)
    end

    it "removes multiple services from the LDAP entry" do
      expect_any_instance_of(LdapService).to receive(:replace_attribute)
        .with(dn, :service, ["discourse"]).and_return(true)

      user.disable_service([:xmpp, "gitea"])
    end
  end

  describe "#disable_all_services" do
    before do
      allow(user).to receive(:dn).and_return(dn)
    end

    it "removes all services from the LDAP entry" do
      expect_any_instance_of(LdapService).to receive(:delete_attribute)
        .with(dn, :service).and_return(true)

      user.disable_all_services
    end
  end

  describe "#exchange_xmpp_contact_with_inviter" do
    include ActiveJob::TestHelper

    let(:user) { create :user, cn: "willherschel", ou: "kosmos.org" }
    let(:guest) { create :user, id: 2, cn: "isaacnewton", ou: "kosmos.org", email: "newt@example.com" }

    before do
      Invitation.create! user: user, invited_user_id: guest.id, used_at: DateTime.now
      allow_any_instance_of(User).to receive(:services_enabled).and_return(%w[ xmpp ])
    end

    it "enqueues a job to exchange XMPP contacts between inviter and invitee" do
      guest.send(:exchange_xmpp_contact_with_inviter)

      expect(enqueued_jobs.size).to eq(1)
      args = enqueued_jobs.first['arguments']
      expect(args[0]['_aj_globalid']).to match('gid://akkounts/User')
      expect(args[1]).to eq('isaacnewton')
      expect(args[2]).to eq('kosmos.org')
    end

    after do
      clear_enqueued_jobs
    end
  end

  describe "#devise_after_confirmation" do
    let(:user) { create :user, cn: "willherschel", ou: "kosmos.org" }

    it "enables default services" do
      expect(user).to receive(:enable_service).with(%w[ discourse gitea mediawiki xmpp ])
      user.send(:devise_after_confirmation)
    end

    context "for invited user with xmpp enabled" do
      let(:guest) { create :user, id: 2, cn: "isaacnewton", ou: "kosmos.org", email: "newt@example.com" }

      before do
        # TODO remove when defaults are implemented
        user.update! preferences: { xmpp_exchange_contacts_with_invitees: true }
        Invitation.create! user: user, invited_user_id: guest.id, used_at: DateTime.now
        allow_any_instance_of(User).to receive(:enable_service).and_return(true)
      end

      it "exchanges XMPP contacts with the inviter" do
        expect(guest).to receive(:exchange_xmpp_contact_with_inviter)
        guest.send(:devise_after_confirmation)
      end

      context "automatic contact exchange disabled" do
        before do
          user.update! preferences: { xmpp_exchange_contacts_with_invitees: false }
        end

        it "does not exchange XMPP contacts with the inviter" do
          expect(guest).to_not receive(:exchange_xmpp_contact_with_inviter)
          guest.send(:devise_after_confirmation)
        end
      end
    end
  end
end