#-- copyright
# OpenProject is an open source project management software.
# Copyright (C) 2012-2021 the OpenProject GmbH
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
# Copyright (C) 2006-2013 Jean-Philippe Lang
# Copyright (C) 2010-2013 the ChiliProject Team
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
#
# See docs/COPYRIGHT.rdoc for more details.
#++

require 'spec_helper'

describe 'Custom fields reporting', type: :feature, js: true do
  let(:type) { FactoryBot.create :type }
  let(:project) { FactoryBot.create :project, types: [type] }

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

  let(:work_package) do
    FactoryBot.create :work_package,
                      project: project,
                      type: type,
                      custom_values: initial_custom_values
  end

  let!(:time_entry1) do
    FactoryBot.create :time_entry,
                      user: user,
                      work_package: work_package,
                      project: project,
                      hours: 10
  end

  let!(:time_entry2) do
    FactoryBot.create :time_entry,
                      user: user,
                      work_package: work_package,
                      project: project,
                      hours: 2.50
  end

  def custom_value_for(cf, str)
    cf.custom_options.find { |co| co.value == str }.try(:id)
  end

  context 'with multi value cf' do
    let!(:custom_field) do
      FactoryBot.create(:list_wp_custom_field,
                        name: "List CF",
                        multi_value: true,
                        types: [type],
                        projects: [project],
                        possible_values: ['First option', 'Second option'])
    end

    let(:initial_custom_values) { { custom_field.id => custom_value_for(custom_field, 'First option') } }
    let(:cf_id) { "custom_field#{custom_field.id}" }

    # Have a second work package in the test that will have no values
    # as this caused problems with casting the nil value of the custom value to 0.
    let!(:work_package2) do
      FactoryBot.create :work_package,
                        project: project,
                        type: type
    end

    before do
      login_as(user)
      visit '/cost_reports'
    end

    it 'filters by the multi CF' do
      expect(page).to have_selector('#add_filter_select option', text: 'List CF')
      select 'List CF', from: 'add_filter_select'

      # Adds filter to page, filtering out the time entries on the work package
      expect(page).to have_selector("label##{cf_id}")
      custom_field_selector = "##{cf_id}_arg_1_val"
      select = find(custom_field_selector)
      expect(select).to have_selector('option', text: 'First option')
      expect(select).to have_selector('option', text: 'Second option')
      select.find('option', text: 'Second option').select_option

      find('#query-icon-apply-button').click

      # Expect empty result table
      within('#result-table') do
        expect(page).to have_no_selector('.top.result', text: '12.50 hours')
      end
      expect(page).to have_selector('.generic-table--no-results-title')

      # Update filter to value the work package has
      select = find(custom_field_selector)
      select.find('option', text: 'First option').select_option
      find('#query-icon-apply-button').click

      # Expect row of work package
      within('#result-table') do
        expect(page).to have_selector('.top.result', text: '12.50 hours')
      end
    end

    it 'groups by the multi CF (Regression #26050)' do
      expect(page).to have_selector('#group-by--add-columns')
      expect(page).to have_selector('#group-by--add-rows')

      select 'List CF', from: 'group-by--add-columns'
      select 'Work package', from: 'group-by--add-rows'

      find('#query-icon-apply-button').click

      # Expect row of work package
      within('#result-table') do
        expect(page).to have_selector('a.work_package', text: "#{work_package.type} ##{work_package.id}")
        expect(page).to have_selector('th.inner', text: 'First option')
        expect(page).to have_no_selector('th.inner', text: 'Second option')

        # Only first option should have content for the work package
        expect(page).to have_selector('table.report tbody tr', count: 1)
        row_elements = page.all('table.report tr.odd th')

        expect(row_elements[0].text).to eq(project.name)
        expect(row_elements[1].text).to eq(work_package.to_s)

        row_elements = page.all('table.report tr.odd td')
        expect(row_elements[0].text).to eq('12.50 hours')
      end
    end

    context 'with additional WP with invalid value' do
      let!(:custom_field_2) do
        FactoryBot.create(:list_wp_custom_field,
                          name: "Invalid List CF",
                          multi_value: true,
                          types: [type],
                          projects: [project],
                          possible_values: %w[A B])
      end

      let!(:work_package2) do
        FactoryBot.create :work_package,
                          project: project,
                          custom_values: { custom_field_2.id => custom_value_for(custom_field_2, 'A') }
      end

      let!(:time_entry1) do
        FactoryBot.create :time_entry,
                          user: user,
                          work_package: work_package2,
                          project: project,
                          hours: 10
      end

      before do
        CustomValue.find_by(customized_id: work_package2.id).update_columns(value: 'invalid')
        work_package2.reload

        login_as(user)
        visit '/cost_reports'
      end

      it 'groups by the raw values when an invalid value exists' do
        expect(work_package2.send("custom_field_#{custom_field_2.id}")).to eq(['invalid not found'])

        expect(page).to have_selector('#group-by--add-columns')
        expect(page).to have_selector('#group-by--add-rows')

        select 'Invalid List CF', from: 'group-by--add-columns'
        select 'Work package', from: 'group-by--add-rows'

        find('#query-icon-apply-button').click

        # Expect row of work package
        within('#result-table') do
          expect(page).to have_selector('a.work_package', text: "#{work_package.type} ##{work_package.id}")
          expect(page).to have_selector('th.inner', text: '1')
          expect(page).to have_no_selector('th.inner', text: 'invalid!')
        end
      end
    end
  end

  context 'with text CF' do
    let(:custom_field) do
      FactoryBot.create(:text_wp_custom_field,
                        name: 'Text CF',
                        types: [type],
                        projects: [project])
    end
    let(:initial_custom_values) { { custom_field.id => 'foo' } }

    before do
      login_as(user)
      visit '/cost_reports'
    end

    it 'groups by a text CF' do
      expect(page).to have_selector('#group-by--add-columns')
      expect(page).to have_selector('#group-by--add-rows')

      select 'Text CF', from: 'group-by--add-columns'
      select 'Work package', from: 'group-by--add-rows'

      find('#query-icon-apply-button').click

      # Expect row of work package
      within('#result-table') do
        expect(page).to have_selector('a.work_package', text: "#{work_package.type} ##{work_package.id}")
        expect(page).to have_selector('th.inner', text: 'foo')
        expect(page).to have_no_selector('th.inner', text: 'None')

        # Only first option should have content for the work package
        expect(page).to have_selector('table.report tbody tr', count: 1)
        row_elements = page.all('table.report tr.odd th')

        expect(row_elements[0].text).to eq(project.name)
        expect(row_elements[1].text).to eq(work_package.to_s)

        row_elements = page.all('table.report tr.odd td')
        expect(row_elements[0].text).to eq('12.50 hours')
      end
    end
  end
end