require 'spec_helper'

describe 'Work package relations tab', js: true, selenium: true do
  include_context 'ui-autocomplete helpers'

  let(:user) { FactoryGirl.create :admin }

  let(:project) { FactoryGirl.create :project }
  let(:work_package) { FactoryGirl.create(:work_package, project: project) }
  let(:work_packages_page) { ::Pages::SplitWorkPackage.new(work_package) }
  let(:relations) { ::Components::WorkPackages::Relations.new(work_package) }

  let(:visit) { true }

  before do
    login_as user

    if visit
      visit_relations
    end
  end

  def visit_relations
    work_packages_page.visit_tab!('relations')
    work_packages_page.expect_subject
    loading_indicator_saveguard
  end

  def add_hierarchy(container, query, expected_text)
    # Locate the create row container
    container = find(container)

    # Enter the query and select the child
    autocomplete = container.find(".wp-relations--autocomplete")
    select_autocomplete(autocomplete, query: query, select_text: expected_text)

    container.find('.wp-create-relation--save').click

    expect(page).to have_selector('.wp-relations-hierarchy-subject',
                                  text: expected_text,
                                  wait: 10)
  end

  def remove_hierarchy(selector, removed_text)
    expect(page).to have_selector(selector, text: removed_text)
    container = find(selector)
    container.hover

    container.find('.wp-relation--remove').click
    expect(page).to have_no_selector(selector, text: removed_text, wait: 10)
  end

  describe 'as admin' do
    let!(:parent) { FactoryGirl.create(:work_package, project: project) }
    let!(:child) { FactoryGirl.create(:work_package, project: project) }
    let!(:child2) { FactoryGirl.create(:work_package, project: project, subject: 'Something new') }

    it 'allows to mange hierarchy' do
      # Shows link parent link
      expect(page).to have_selector('#hierarchy--add-parent')
      find('.work-packages--details .wp-inline-create--add-link',
           text: I18n.t('js.relation_buttons.add_parent')).click

      # Add parent
      add_hierarchy('.wp-relations--parent-form', parent.id, parent.subject)

      ##
      # Add child #1
      find('.work-packages--details .wp-inline-create--add-link',
           text: I18n.t('js.relation_buttons.add_existing_child')).click

      add_hierarchy('.wp-relations--child-form', child.id, child.subject)

      ##
      # Add child #2
      find('.work-packages--details .wp-inline-create--add-link',
           text: I18n.t('js.relation_buttons.add_existing_child')).click

      add_hierarchy('.wp-relations--child-form', child2.subject, child2.subject)
    end
  end

  describe 'relation group-by toggler' do
    let(:project) { FactoryGirl.create :project, types: [type_1, type_2] }
    let(:type_1) { FactoryGirl.create :type }
    let(:type_2) { FactoryGirl.create :type }

    let(:to_1) { FactoryGirl.create(:work_package, type: type_1, project: project) }
    let(:to_2) { FactoryGirl.create(:work_package, type: type_2, project: project) }

    let!(:relation_1) do
      FactoryGirl.create :relation,
                         from: work_package,
                         to: to_1,
                         relation_type: Relation::TYPE_FOLLOWS
    end
    let!(:relation_2) do
      FactoryGirl.create :relation,
                         from: work_package,
                         to: to_2,
                         relation_type: Relation::TYPE_RELATES
    end

    let(:toggle_btn_selector) { '#wp-relation-group-by-toggle' }
    let(:visit) { false }

    before do
      visit_relations

      work_packages_page.visit_tab!('relations')
      work_packages_page.expect_subject
      loading_indicator_saveguard
    end

    it 'allows to toggle how relations are grouped' do
      # Expect to be grouped by relation type by default
      expect(page).to have_selector(toggle_btn_selector,
                                    text: 'Group by work package type', wait: 10)

      expect(page).to have_selector('.relation-group--header', text: 'FOLLOWS')
      expect(page).to have_selector('.relation-group--header', text: 'RELATED TO')

      expect(page).to have_selector('.relation-row--type', text: type_1.name)
      expect(page).to have_selector('.relation-row--type', text: type_2.name)

      find(toggle_btn_selector).click
      expect(page).to have_selector(toggle_btn_selector, text: 'Group by relation type', wait: 10)

      expect(page).to have_selector('.relation-group--header', text: type_1.name.upcase)
      expect(page).to have_selector('.relation-group--header', text: type_2.name.upcase)

      expect(page).to have_selector('.relation-row--type', text: 'Follows')
      expect(page).to have_selector('.relation-row--type', text: 'Related To')
    end

    it 'allows to edit relation types when toggled' do
      find(toggle_btn_selector).click
      expect(page).to have_selector(toggle_btn_selector, text: 'Group by relation type', wait: 10)

      # Expect current to be follows and other one related
      expect(page).to have_selector('.relation-row--type', text: 'Follows')
      expect(page).to have_selector('.relation-row--type', text: 'Related To')

      # edit to blocks
      relations.edit_relation_type(to_1, to_type: 'Blocks')

      # the other one should not be altered
      expect(page).to have_selector('.relation-row--type', text: 'Blocks')
      expect(page).to have_selector('.relation-row--type', text: 'Related To')

      updated_relation = Relation.find(relation_1.id)
      expect(updated_relation.relation_type).to eq('blocks')
      expect(updated_relation.from_id).to eq(work_package.id)
      expect(updated_relation.to_id).to eq(to_1.id)

      relations.edit_relation_type(to_1, to_type: 'Blocked by')

      expect(page).to have_selector('.relation-row--type', text: 'Blocked by')
      expect(page).to have_selector('.relation-row--type', text: 'Related To')

      updated_relation = Relation.find(relation_1.id)
      expect(updated_relation.relation_type).to eq('blocks')
      expect(updated_relation.from_id).to eq(to_1.id)
      expect(updated_relation.to_id).to eq(work_package.id)
    end
  end

  describe 'with limited permissions' do
    let(:permissions) { %i(view_work_packages) }
    let(:user_role) do
      FactoryGirl.create :role, permissions: permissions
    end

    let(:user) do
      FactoryGirl.create :user,
                         member_in_project: project,
                         member_through_role: user_role
    end

    context 'as view-only user, with parent set' do
      let(:parent) { FactoryGirl.create(:work_package, project: project) }
      let(:work_package) { FactoryGirl.create(:work_package, parent: parent, project: project) }

      it 'shows no links to create relations' do
        # No create buttons should exist
        expect(page).to have_no_selector('.wp-relations-create-button')

        # Test for add relation
        expect(page).to have_no_selector('#relation--add-relation')

        # Test for add parent
        expect(page).to have_no_selector('#hierarchy--add-parent')

        # Test for add children
        expect(page).to have_no_selector('#hierarchy--add-exisiting-child')
        expect(page).to have_no_selector('#hierarchy--add-new-child')

        # But it should show the linked parent
        expect(page).to have_selector('.wp-relations-hierarchy-subject', text: parent.subject)
      end
    end

    context 'with manage_subtasks permissions' do
      let(:permissions) { %i(view_work_packages manage_subtasks) }
      let!(:parent) { FactoryGirl.create(:work_package, project: project) }
      let!(:child) { FactoryGirl.create(:work_package, project: project) }

      it 'should be able to link parent and children' do
        # Shows link parent link
        expect(page).to have_selector('#hierarchy--add-parent')
        find('.work-packages--details .wp-inline-create--add-link',
             text: I18n.t('js.relation_buttons.add_parent')).click

        # Add parent
        add_hierarchy('.wp-relations--parent-form', parent.id, parent.subject)

        ##
        # Add child
        find('.work-packages--details .wp-inline-create--add-link',
             text: I18n.t('js.relation_buttons.add_existing_child')).click

        add_hierarchy('.wp-relations--child-form', child.id, child.subject)

        # Remove parent
        remove_hierarchy('.relation-row.parent', parent.subject)

        # Remove child
        remove_hierarchy('.relation-row.child', child.subject)
      end
    end

    context 'with relations permissions' do
      let(:permissions) do
        %i(view_work_packages add_work_packages manage_subtasks manage_work_package_relations)
      end

      let!(:relatable) { FactoryGirl.create(:work_package, project: project) }
      it 'should allow to manage relations' do
        relations.add_relation(type: 'follows', to: relatable)

        relations.remove_relation(relatable)
        expect(page).to have_no_selector('.relation-group--header', text: 'FOLLOWS')

        work_package.reload
        expect(work_package.relations.direct).to be_empty
      end

      it 'should allow to move between split and full view (Regression #24194)' do
        relations.add_relation(type: 'follows', to: relatable)

        # Switch to full view
        find('.work-packages--details-fullscreen-icon').click

        # Expect to have row
        relations.hover_action(relatable, :delete)

        expect(page).to have_no_selector('.relation-group--header', text: 'FOLLOWS')
        expect(page).to have_no_selector('.wp-relations--subject-field', text: relatable.subject)

        # Back to split view
        page.execute_script('window.history.back()')
        work_packages_page.expect_subject

        expect(page).to have_no_selector('.relation-group--header', text: 'FOLLOWS')
        expect(page).to have_no_selector('.wp-relations--subject-field', text: relatable.subject)
      end

      it 'should follow the relation links (Regression #26794)' do
        relations.add_relation(type: 'follows', to: relatable)

        relations.click_relation(relatable)
        subject = work_packages_page.edit_field(:subject)
        subject.expect_state_text relatable.subject

        relations.click_relation(work_package)
        subject = work_packages_page.edit_field(:subject)
        subject.expect_state_text work_package.subject

        # Switch to full view
        find('.work-packages--details-fullscreen-icon').click
        full_page = ::Pages::FullWorkPackage.new(work_package)

        relations.click_relation(relatable)
        subject = full_page.edit_field(:subject)
        subject.expect_state_text relatable.subject

        relations.click_relation(work_package)
        subject = full_page.edit_field(:subject)
        subject.expect_state_text work_package.subject
      end

      it 'should allow to change relation descriptions' do
        relations.add_relation(type: 'follows', to: relatable)

        ## Toggle description
        relations.hover_action(relatable, :info)

        # Open textarea
        created_row = relations.find_row(relatable)
        created_row.find('.wp-relation--description-read-value.-placeholder',
                         text: I18n.t('js.placeholders.relation_description')).click

        expect(page).to have_focus_on('.wp-relation--description-textarea')
        textarea = created_row.find('.wp-relation--description-textarea')
        textarea.set 'my description!'

        # Save description
        created_row.find('.inplace-edit--control--save a').click

        loading_indicator_saveguard

        ## Toggle description again
        relations.hover_action(relatable, :info)
        created_row = relations.find_row(relatable)

        created_row.find('.wp-relation--description-read-value',
                         text: 'my description!').click

        # Cancel edition
        created_row.find('.inplace-edit--control--cancel a').click
        created_row.find('.wp-relation--description-read-value',
                         text: 'my description!').click

        relation = work_package.relations.direct.first
        relation.reload
        expect(relation.description).to eq('my description!')

        # Toggle to close
        relations.hover_action(relatable, :info)
        expect(created_row).to have_no_selector('.wp-relation--description-read-value')
      end
    end
  end
end