# frozen_string_literal: true

require 'spec_helper'

RSpec.describe 'Getting Metrics Dashboard Annotations', feature_category: :metrics do
  include GraphqlHelpers

  let_it_be(:project) { create(:project) }
  let_it_be(:environment) { create(:environment, project: project) }
  let_it_be(:current_user) { create(:user) }
  let_it_be(:path) { 'config/prometheus/common_metrics.yml' }
  let_it_be(:from) { "2020-04-01T03:29:25Z" }
  let_it_be(:to) { Time.zone.now.advance(minutes: 5) }
  let_it_be(:annotation) { create(:metrics_dashboard_annotation, environment: environment, dashboard_path: path) }
  let_it_be(:annotation_for_different_env) { create(:metrics_dashboard_annotation, dashboard_path: path) }
  let_it_be(:annotation_for_different_dashboard) { create(:metrics_dashboard_annotation, environment: environment, dashboard_path: ".gitlab/dashboards/test.yml") }
  let_it_be(:to_old_annotation) do
    create(:metrics_dashboard_annotation, environment: environment, starting_at: Time.parse(from).advance(minutes: -5), dashboard_path: path)
  end

  let_it_be(:to_new_annotation) do
    create(:metrics_dashboard_annotation, environment: environment, starting_at: to.advance(minutes: 5), dashboard_path: path)
  end

  let(:args) { "from: \"#{from}\", to: \"#{to}\"" }
  let(:fields) do
    <<~QUERY
      #{all_graphql_fields_for('MetricsDashboardAnnotation'.classify)}
    QUERY
  end

  let(:query) do
    %(
      query {
        project(fullPath: "#{project.full_path}") {
          environments(name: "#{environment.name}") {
            nodes {
              metricsDashboard(path: "#{path}") {
                annotations(#{args}) {
                  nodes {
                    #{fields}
                  }
                }
              }
            }
          }
        }
      }
    )
  end

  before do
    project.add_developer(current_user)
    post_graphql(query, current_user: current_user)
  end

  it_behaves_like 'a working graphql query'

  it 'returns annotations' do
    annotations = graphql_data.dig('project', 'environments', 'nodes')[0].dig('metricsDashboard', 'annotations', 'nodes')

    expect(annotations).to match_array [{
                                          "description" => annotation.description,
                                          "id" => annotation.to_global_id.to_s,
                                          "panelId" => annotation.panel_xid,
                                          "startingAt" => annotation.starting_at.iso8601,
                                          "endingAt" => nil
                                        }]
  end

  context 'arguments' do
    context 'from is missing' do
      let(:args) { "to: \"#{from}\"" }

      it 'returns error' do
        post_graphql(query, current_user: current_user)

        expect(graphql_errors[0]).to include("message" => "Field 'annotations' is missing required arguments: from")
      end
    end

    context 'to is missing' do
      let(:args) { "from: \"#{from}\"" }

      it_behaves_like 'a working graphql query'
    end
  end
end