require 'spec_helper'

describe 'Work Package table hierarchy', js: true do
  let(:user) { FactoryGirl.create :admin }
  let(:project) { FactoryGirl.create(:project) }

  let(:category) { FactoryGirl.create :category, project: project, name: 'Foo' }

  let!(:wp_root) { FactoryGirl.create(:work_package, project: project) }
  let!(:wp_inter) { FactoryGirl.create(:work_package, project: project, parent: wp_root) }
  let!(:wp_leaf) { FactoryGirl.create(:work_package, project: project, category: category, parent: wp_inter) }
  let!(:wp_other) { FactoryGirl.create(:work_package, project: project) }
  let(:wp_table) { Pages::WorkPackagesTable.new(project) }
  let(:hierarchy) { ::Components::WorkPackages::Hierarchies.new }

  let!(:query) do
    query              = FactoryGirl.build(:query, user: user, project: project)
    query.column_names = ['subject', 'category']
    query.filters.clear
    query.add_filter('category_id', '=', [category.id])

    query.save!
    query
  end

  def expect_listed(*wps)
    wps.each do |wp|
      wp_table.expect_work_package_listed(wp)
    end
  end

  def expect_hidden(*wps)
    wps.each do |wp|
      hierarchy.expect_hidden(wp)
    end
  end

  before do
    login_as(user)
  end

  it 'shows hierarchy correctly' do
    wp_table.visit!
    expect_listed(wp_root, wp_inter, wp_leaf, wp_other)

    hierarchy.expect_no_hierarchies

    # Hierarchy mode is disabled by default
    hierarchy.enable_hierarchy

    hierarchy.expect_hierarchy_at(wp_root)
    hierarchy.expect_hierarchy_at(wp_inter)
    hierarchy.expect_leaf_at(wp_leaf)
    hierarchy.expect_leaf_at(wp_other)

    # Toggling hierarchies hides the inner children
    hierarchy.toggle_row(wp_root)

    # Root, other showing
    expect_listed(wp_root, wp_other)
    # Inter, Leaf hidden
    expect_hidden(wp_inter, wp_leaf)

    # Show all again
    hierarchy.toggle_row(wp_root)
    expect_listed(wp_root, wp_other, wp_inter, wp_leaf)

    # Disable hierarchies
    hierarchy.disable_hierarchy
    hierarchy.expect_no_hierarchies

    # Editing is possible while retaining hierachy
    hierarchy.enable_hierarchy
    subject = wp_table.edit_field wp_inter, :subject
    subject.update 'New subject'

    wp_table.expect_notification message: 'Successful update.'
    wp_table.dismiss_notification!

    hierarchy.expect_hierarchy_at(wp_root)
    hierarchy.expect_hierarchy_at(wp_inter)
    hierarchy.expect_leaf_at(wp_leaf)
    hierarchy.expect_leaf_at(wp_other)

    # Disable hierarchy again
    hierarchy.disable_hierarchy
    hierarchy.expect_no_hierarchies

    # Now visiting the query for category
    wp_table.visit_query(query)

    # Should only list the matching leaf
    wp_table.expect_work_package_listed(wp_leaf)

    # When toggling hierarchies, shows root and intermediate node
    # Hierarchy mode is disabled by default
    hierarchy.enable_hierarchy

    hierarchy.expect_hierarchy_at(wp_root)
    hierarchy.expect_hierarchy_at(wp_inter)

    hierarchy.toggle_row(wp_root)
    expect_listed(wp_root)
    expect_listed(wp_inter, wp_leaf)

    # Disabling hierarchy hides them again
    hierarchy.disable_hierarchy

    expect(page).to have_no_selector("#wp-row-#{wp_root.id}")
    expect(page).to have_no_selector("#wp-row-#{wp_inter.id}")
  end
end