# frozen_string_literal: true

require 'spec_helper'

RSpec.describe Issue, :elastic do
  before do
    stub_ee_application_setting(elasticsearch_search: true, elasticsearch_indexing: true)
  end

  let(:project) { create :project, :public }
  let(:admin) { create :user, :admin }

  context 'when limited indexing is on' do
    let_it_be(:project) { create :project, name: 'test1' }
    let_it_be(:issue) { create :issue, project: project}

    before do
      stub_ee_application_setting(elasticsearch_limit_indexing: true)
    end

    context 'when the project is not enabled specifically' do
      describe '#searchable?' do
        it 'returns false' do
          expect(issue.searchable?).to be_falsey
        end
      end
    end

    context 'when a project is enabled specifically' do
      before do
        create :elasticsearch_indexed_project, project: project
      end

      describe '#searchable?' do
        it 'returns true' do
          expect(issue.searchable?).to be_truthy
        end
      end
    end

    context 'when a group is enabled' do
      let_it_be(:group) { create(:group) }

      before do
        create :elasticsearch_indexed_namespace, namespace: group
      end

      describe '#searchable?' do
        it 'returns true' do
          project = create :project, name: 'test1', group: group
          issue = create :issue, project: project

          expect(issue.searchable?).to be_truthy
        end
      end
    end
  end

  it "searches issues", :aggregate_failures do
    Sidekiq::Testing.inline! do
      create :issue, title: 'bla-bla term1', project: project
      create :issue, description: 'bla-bla term2', project: project
      create :issue, project: project

      # The issue I have no access to except as an administrator
      create :issue, title: 'bla-bla term3', project: create(:project, :private)

      ensure_elasticsearch_index!
    end

    options = { project_ids: [project.id] }

    expect(described_class.elastic_search('(term1 | term2 | term3) +bla-bla', options: options).total_count).to eq(2)
    expect(described_class.elastic_search(Issue.last.to_reference, options: options).total_count).to eq(1)
    expect(described_class.elastic_search('bla-bla', options: { project_ids: :any, public_and_internal_projects: true }).total_count).to eq(3)
  end

  it "names elasticsearch queries" do
    described_class.elastic_search('*').total_count

    assert_named_queries('doc:is_a:issue',
                         'issue:match:search_terms',
                         'issue:authorized:project')
  end

  it "searches by iid and scopes to type: issue only" do
    issue = nil

    Sidekiq::Testing.inline! do
      issue = create :issue, title: 'bla-bla issue', project: project
      create :issue, description: 'term2 in description', project: project

      # MergeRequest with the same iid should not be found in Issue search
      create :merge_request, title: 'bla-bla', source_project: project, iid: issue.iid

      ensure_elasticsearch_index!
    end

    # User needs to be admin or the MergeRequest would just be filtered by
    # confidential: false
    options = { project_ids: [project.id], current_user: admin }

    results = described_class.elastic_search("##{issue.iid}", options: options)
    expect(results.total_count).to eq(1)
    expect(results.first.title).to eq('bla-bla issue')
  end

  it "returns json with all needed elements" do
    assignee = create(:user)
    project = create(:project, :internal)
    issue = create :issue, project: project, assignees: [assignee]

    expected_hash = issue.attributes.extract!(
      'id',
      'iid',
      'title',
      'description',
      'created_at',
      'updated_at',
      'project_id',
      'author_id',
      'confidential'
    ).merge({
      'type' => issue.es_type,
      'state' => issue.state
    })

    expected_hash['assignee_id'] = [assignee.id]
    expected_hash['issues_access_level'] = ProjectFeature::ENABLED
    expected_hash['visibility_level'] = Gitlab::VisibilityLevel::INTERNAL

    expect(issue.__elasticsearch__.as_indexed_json).to eq(expected_hash)
  end

  it 'handles a project missing project_feature', :aggregate_failures do
    issue = create :issue, project: project
    allow(issue.project).to receive(:project_feature).and_return(nil)

    expect { issue.__elasticsearch__.as_indexed_json }.not_to raise_error
    expect(issue.__elasticsearch__.as_indexed_json['issues_access_level']).to eq(ProjectFeature::PRIVATE)
  end

  context 'field length limits' do
    context 'when there is an elasticsearch_indexed_field_length limit' do
      it 'truncates to the default plan limit' do
        stub_ee_application_setting(elasticsearch_indexed_field_length_limit: 10)

        issue = create :issue, description: 'The description is too long'

        indexed_json = issue.__elasticsearch__.as_indexed_json

        expect(indexed_json['description']).to eq('The descri')
      end
    end

    context 'when the elasticsearch_indexed_field_length limit is 0' do
      it 'does not truncate the fields' do
        stub_ee_application_setting(elasticsearch_indexed_field_length_limit: 0)

        issue = create :issue, description: 'The description is too long'

        indexed_json = issue.__elasticsearch__.as_indexed_json

        expect(indexed_json['description']).to eq('The description is too long')
      end
    end
  end

  it_behaves_like 'no results when the user cannot read cross project' do
    let(:record1) { create(:issue, project: project, title: 'test-issue') }
    let(:record2) { create(:issue, project: project2, title: 'test-issue') }
  end
end