# frozen_string_literal: true
require 'spec_helper'

RSpec.describe 'package details' do
  include GraphqlHelpers

  let_it_be_with_reload(:group) { create(:group) }
  let_it_be_with_reload(:project) { create(:project, group: group) }
  let_it_be(:user) { create(:user) }
  let_it_be(:composer_package) { create(:composer_package, project: project) }
  let_it_be(:composer_json) { { name: 'name', type: 'type', license: 'license', version: 1 } }
  let_it_be(:composer_metadatum) do
    # we are forced to manually create the metadatum, without using the factory to force the sha to be a string
    # and avoid an error where gitaly can't find the repository
    create(:composer_metadatum, package: composer_package, target_sha: 'foo_sha', composer_json: composer_json)
  end

  let(:depth) { 3 }
  let(:excluded) { %w[metadata apiFuzzingCiConfiguration pipeline packageFiles] }
  let(:metadata) { query_graphql_fragment('ComposerMetadata') }
  let(:package_files) {all_graphql_fields_for('PackageFile')}
  let(:package_global_id) { global_id_of(composer_package) }
  let(:package_details) { graphql_data_at(:package) }

  let(:query) do
    graphql_query_for(:package, { id: package_global_id }, <<~FIELDS)
    #{all_graphql_fields_for('PackageDetailsType', max_depth: depth, excluded: excluded)}
    metadata {
      #{metadata}
    }
    packageFiles {
      nodes {
        #{package_files}
      }
    }
    FIELDS
  end

  subject { post_graphql(query, current_user: user) }

  context 'with unauthorized user' do
    before do
      project.update!(visibility_level: Gitlab::VisibilityLevel::PRIVATE)
    end

    it 'returns no packages' do
      subject

      expect(graphql_data_at(:package)).to be_nil
    end
  end

  context 'with authorized user' do
    before do
      project.add_developer(user)
    end

    it_behaves_like 'a working graphql query' do
      before do
        subject
      end

      it 'matches the JSON schema' do
        expect(package_details).to match_schema('graphql/packages/package_details')
      end
    end

    context 'there are other versions of this package' do
      let(:depth) { 3 }
      let(:excluded) { %w[metadata project tags pipelines] } # to limit the query complexity

      let_it_be(:siblings) { create_list(:composer_package, 2, project: project, name: composer_package.name) }

      it 'includes the sibling versions' do
        subject

        expect(graphql_data_at(:package, :versions, :nodes)).to match_array(
          siblings.map { |p| a_hash_including('id' => global_id_of(p)) }
        )
      end

      context 'going deeper' do
        let(:depth) { 6 }

        it 'does not create a cycle of versions' do
          subject

          expect(graphql_data_at(:package, :versions, :nodes, :version)).to be_present
          expect(graphql_data_at(:package, :versions, :nodes, :versions, :nodes)).to match_array [nil, nil]
        end
      end
    end

    context 'with package files pending destruction' do
      let_it_be(:package_file) { create(:package_file, package: composer_package) }
      let_it_be(:package_file_pending_destruction) { create(:package_file, :pending_destruction, package: composer_package) }

      let(:package_file_ids) { graphql_data_at(:package, :package_files, :nodes).map { |node| node["id"] } }

      it 'does not return them' do
        subject

        expect(package_file_ids).to contain_exactly(package_file.to_global_id.to_s)
      end

      context 'with packages_installable_package_files disabled' do
        before do
          stub_feature_flags(packages_installable_package_files: false)
        end

        it 'returns them' do
          subject

          expect(package_file_ids).to contain_exactly(package_file_pending_destruction.to_global_id.to_s, package_file.to_global_id.to_s)
        end
      end
    end

    context 'with a batched query' do
      let_it_be(:conan_package) { create(:conan_package, project: project) }

      let(:batch_query) do
        <<~QUERY
        {
          a: package(id: "#{global_id_of(composer_package)}") { name }
          b: package(id: "#{global_id_of(conan_package)}") { name }
        }
        QUERY
      end

      let(:a_packages_names) { graphql_data_at(:a, :packages, :nodes, :name) }

      it 'returns an error for the second package and data for the first' do
        post_graphql(batch_query, current_user: user)

        expect(graphql_data_at(:a, :name)).to eq(composer_package.name)

        expect_graphql_errors_to_include [/Package details can be requested only for one package at a time/]
        expect(graphql_data_at(:b)).to be(nil)
      end
    end

    context 'pipelines field', :aggregate_failures do
      let(:pipelines) { create_list(:ci_pipeline, 6, project: project) }
      let(:pipeline_gids) { pipelines.sort_by(&:id).map(&:to_gid).map(&:to_s).reverse }

      before do
        composer_package.pipelines = pipelines
        composer_package.save!
      end

      def run_query(args)
        pipelines_nodes = <<~QUERY
        nodes {
          id
        }
        pageInfo {
          startCursor
          endCursor
        }
        QUERY

        query = graphql_query_for(:package, { id: package_global_id }, query_graphql_field("pipelines", args, pipelines_nodes))
        post_graphql(query, current_user: user)
      end

      it 'loads the second page with pagination first correctly' do
        run_query(first: 2)
        pipeline_ids = graphql_data.dig('package', 'pipelines', 'nodes').pluck('id')

        expect(pipeline_ids).to eq(pipeline_gids[0..1])

        cursor = graphql_data.dig('package', 'pipelines', 'pageInfo', 'endCursor')

        run_query(first: 2, after: cursor)

        pipeline_ids = graphql_data.dig('package', 'pipelines', 'nodes').pluck('id')

        expect(pipeline_ids).to eq(pipeline_gids[2..3])
      end

      it 'loads the second page with pagination last correctly' do
        run_query(last: 2)
        pipeline_ids = graphql_data.dig('package', 'pipelines', 'nodes').pluck('id')

        expect(pipeline_ids).to eq(pipeline_gids[4..5])

        cursor = graphql_data.dig('package', 'pipelines', 'pageInfo', 'startCursor')

        run_query(last: 2, before: cursor)

        pipeline_ids = graphql_data.dig('package', 'pipelines', 'nodes').pluck('id')

        expect(pipeline_ids).to eq(pipeline_gids[2..3])
      end
    end

    context 'package managers paths' do
      before do
        subject
      end

      it 'returns npm_url correctly' do
        expect(graphql_data_at(:package, :npm_url)).to eq("http://localhost/api/v4/projects/#{project.id}/packages/npm")
      end

      it 'returns maven_url correctly' do
        expect(graphql_data_at(:package, :maven_url)).to eq("http://localhost/api/v4/projects/#{project.id}/packages/maven")
      end

      it 'returns conan_url correctly' do
        expect(graphql_data_at(:package, :conan_url)).to eq("http://localhost/api/v4/projects/#{project.id}/packages/conan")
      end

      it 'returns nuget_url correctly' do
        expect(graphql_data_at(:package, :nuget_url)).to eq("http://localhost/api/v4/projects/#{project.id}/packages/nuget/index.json")
      end

      it 'returns pypi_url correctly' do
        expect(graphql_data_at(:package, :pypi_url)).to eq("http://__token__:<your_personal_token>@localhost/api/v4/projects/#{project.id}/packages/pypi/simple")
      end

      it 'returns pypi_setup_url correctly' do
        expect(graphql_data_at(:package, :pypi_setup_url)).to eq("http://localhost/api/v4/projects/#{project.id}/packages/pypi")
      end

      it 'returns composer_url correctly' do
        expect(graphql_data_at(:package, :composer_url)).to eq("http://localhost/api/v4/group/#{group.id}/-/packages/composer/packages.json")
      end

      it 'returns composer_config_repository_url correctly' do
        expect(graphql_data_at(:package, :composer_config_repository_url)).to eq("localhost/#{group.id}")
      end
    end
  end
end
