# frozen_string_literal: true

require 'spec_helper'

RSpec.describe 'Issue board filters', :js do
  let_it_be(:project) { create(:project, :repository) }
  let_it_be(:user) { create(:user) }
  let_it_be(:board) { create(:board, project: project) }
  let_it_be(:project_label) { create(:label, project: project, title: 'Label') }
  let_it_be(:milestone_1) { create(:milestone, project: project, due_date: 3.days.from_now) }
  let_it_be(:milestone_2) { create(:milestone, project: project, due_date: Date.tomorrow) }
  let_it_be(:release) { create(:release, tag: 'v1.0', project: project, milestones: [milestone_1]) }
  let_it_be(:release_2) { create(:release, tag: 'v2.0', project: project, milestones: [milestone_2]) }
  let_it_be(:issue_1) { create(:issue, project: project, milestone: milestone_1, author: user) }
  let_it_be(:issue_2) { create(:labeled_issue, project: project, milestone: milestone_2, assignees: [user], labels: [project_label], confidential: true) }
  let_it_be(:award_emoji1) { create(:award_emoji, name: 'thumbsup', user: user, awardable: issue_1) }

  let(:filtered_search) { find('[data-testid="issue-board-filtered-search"]') }
  let(:filter_input) { find('.gl-filtered-search-term-input') }
  let(:filter_dropdown) { find('.gl-filtered-search-suggestion-list') }
  let(:filter_first_suggestion) { find('.gl-filtered-search-suggestion-list').first('.gl-filtered-search-suggestion') }
  let(:filter_submit) { find('.gl-search-box-by-click-search-button') }

  before do
    stub_feature_flags(apollo_boards: false)
    project.add_maintainer(user)
    sign_in(user)

    visit_project_board
  end

  shared_examples 'loads all the users when opened' do
    it 'and submit one as filter', :aggregate_failures do
      expect(find('.board:nth-child(1)')).to have_selector('.board-card', count: 2)

      wait_for_requests

      expect_filtered_search_dropdown_results(filter_dropdown, 4)

      click_on user.username
      filter_submit.click

      expect(find('.board:nth-child(1)')).to have_selector('.board-card', count: 1)
      expect(find('.board-card')).to have_content(issue.title)
    end
  end

  describe 'filters by assignee' do
    before do
      set_filter('assignee')
    end

    it_behaves_like 'loads all the users when opened' do
      let(:issue) { issue_2 }
    end
  end

  describe 'filters by author' do
    before do
      set_filter('author')
    end

    it_behaves_like 'loads all the users when opened' do
      let(:issue) { issue_1 }
    end
  end

  describe 'filters by label' do
    before do
      set_filter('label')
    end

    it 'loads all the labels when opened and submit one as filter', :aggregate_failures do
      expect(find('.board:nth-child(1)')).to have_selector('.board-card', count: 2)

      expect_filtered_search_dropdown_results(filter_dropdown, 3)

      filter_dropdown.click_on project_label.title
      filter_submit.click

      expect(find('.board:nth-child(1)')).to have_selector('.board-card', count: 1)
      expect(find('.board-card')).to have_content(issue_2.title)
    end
  end

  describe 'filters by releases' do
    before do
      set_filter('release')
    end

    it 'loads all the releases when opened and submit one as filter', :aggregate_failures do
      expect(find('.board:nth-child(1)')).to have_selector('.board-card', count: 2)

      expect_filtered_search_dropdown_results(filter_dropdown, 2)

      click_on release.tag
      filter_submit.click

      expect(find('.board:nth-child(1)')).to have_selector('.board-card', count: 1)
      expect(find('.board-card')).to have_content(issue_1.title)
    end
  end

  describe 'filters by confidentiality' do
    before do
      filter_input.click
      filter_input.set("confidential:")
    end

    it 'loads all the confidentiality options when opened and submit one as filter', :aggregate_failures do
      expect(find('.board:nth-child(1)')).to have_selector('.board-card', count: 2)

      expect_filtered_search_dropdown_results(filter_dropdown, 2)

      filter_dropdown.click_on 'Yes'
      filter_submit.click

      expect(find('.board:nth-child(1)')).to have_selector('.board-card', count: 1)
      expect(find('.board-card')).to have_content(issue_2.title)
    end
  end

  describe 'filters by milestone' do
    before do
      set_filter('milestone')
    end

    it 'loads all the milestones when opened and submit one as filter', :aggregate_failures do
      expect(find('.board:nth-child(1)')).to have_selector('.board-card', count: 2)

      expect_filtered_search_dropdown_results(filter_dropdown, 6)
      expect(filter_dropdown).to have_content('None')
      expect(filter_dropdown).to have_content('Any')
      expect(filter_dropdown).to have_content('Started')
      expect(filter_dropdown).to have_content('Upcoming')

      dropdown_nodes = page.find_all('.gl-filtered-search-suggestion-list > .gl-filtered-search-suggestion')

      expect(dropdown_nodes[4]).to have_content(milestone_2.title)
      expect(dropdown_nodes.last).to have_content(milestone_1.title)

      click_on milestone_1.title
      filter_submit.click

      expect(find('.board:nth-child(1)')).to have_selector('.board-card', count: 1)
    end
  end

  describe 'filters by reaction emoji' do
    before do
      set_filter('my-reaction')
    end

    it 'loads all the emojis when opened and submit one as filter', :aggregate_failures do
      expect(find('.board:nth-child(1)')).to have_selector('.board-card', count: 2)

      expect_filtered_search_dropdown_results(filter_dropdown, 3)

      click_on 'thumbsup'
      filter_submit.click

      expect(find('.board:nth-child(1)')).to have_selector('.board-card', count: 1)
      expect(find('.board-card')).to have_content(issue_1.title)
    end
  end

  describe 'filters by type' do
    let_it_be(:incident) { create(:incident, project: project) }

    before do
      set_filter('type')
    end

    it 'loads all the types when opened and submit one as filter', :aggregate_failures do
      expect(find('.board:nth-child(1)')).to have_selector('.board-card', count: 3)

      expect_filtered_search_dropdown_results(filter_dropdown, 2)

      click_on 'Incident'
      filter_submit.click

      expect(find('.board:nth-child(1)')).to have_selector('.board-card', count: 1)
      expect(find('.board-card')).to have_content(incident.title)
    end
  end

  def set_filter(filter)
    filter_input.click
    filter_input.set("#{filter}:")
    filter_first_suggestion.click # Select `=` operator
  end

  def expect_filtered_search_dropdown_results(filter_dropdown, count)
    expect(filter_dropdown).to have_selector('.gl-new-dropdown-item', count: count)
  end

  def visit_project_board
    visit project_board_path(project, board)
    wait_for_requests
  end
end