#-- 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 'Search', type: :feature, js: true, with_settings: { per_page_options: '5' }, with_mail: false do
  include ::Components::NgSelectAutocompleteHelpers

  using_shared_fixtures :admin
  let(:user) { admin }
  let(:project) { FactoryBot.create :project }
  let(:searchable) { true }
  let(:is_filter) { true }

  let!(:work_packages) do
    (1..12).map do |n|
      Timecop.freeze("2016-11-21 #{n}:00".to_datetime) do
        subject = "Subject No. #{n} WP"
        FactoryBot.create :work_package,
                          subject: subject,
                          project: project
      end
    end
  end
  let(:custom_field_text_value) { 'cf text value' }
  let!(:custom_field_text) do
    FactoryBot.create(:text_wp_custom_field,
                      is_filter: is_filter,
                      searchable: searchable).tap do |custom_field|
      project.work_package_custom_fields << custom_field
      work_packages.first.type.custom_fields << custom_field

      FactoryBot.create(:work_package_custom_value,
                        custom_field: custom_field,
                        customized: work_packages[0],
                        value: custom_field_text_value)
    end
  end
  let(:custom_field_string_value) { 'cf string value' }
  let!(:custom_field_string) do
    FactoryBot.create(:string_wp_custom_field,
                      is_for_all: true,
                      is_filter: is_filter,
                      searchable: searchable).tap do |custom_field|
      custom_field.save
      work_packages.first.type.custom_fields << custom_field

      FactoryBot.create(:work_package_custom_value,
                        custom_field: custom_field,
                        customized: work_packages[1],
                        value: custom_field_string_value)
    end
  end

  let(:global_search) { ::Components::GlobalSearch.new }

  let(:query) { 'Subject' }

  let(:params) { [project, { q: query }] }

  let(:run_visit) { true }

  def expect_range(a, b)
    (a..b).each do |n|
      expect(page).to have_content("No. #{n} WP")
      expect(page).to have_selector("a[href*='#{work_package_path(work_packages[n - 1].id)}']")
    end
  end

  before do
    project.reload

    login_as user

    visit search_path(*params) if run_visit
  end

  describe 'autocomplete' do
    let!(:other_work_package) { FactoryBot.create(:work_package, subject: 'Other work package', project: project) }

    it 'provides suggestions' do
      global_search.search(query, submit: false)

      # Suggestions shall show latest WPs first.
      global_search.expect_work_package_option(work_packages[11])
      #  and show maximum 10 suggestions.
      global_search.expect_work_package_option(work_packages[2])
      global_search.expect_no_work_package_option(work_packages[1])
      # and unrelated work packages shall not get suggested
      global_search.expect_no_work_package_option(other_work_package)

      target_work_package = work_packages.last

      # If no direct match is available, the first option is marked
      global_search.expect_in_project_and_subproject_scope_marked

      # Expect redirection when WP is selected from results
      global_search.search(target_work_package.subject, submit: false)

      # Even though there is a work package named the same, we did not search by id
      # and thus the work package is not selected.
      global_search.expect_in_project_and_subproject_scope_marked

      # But we can open it by clicking
      global_search.click_work_package(target_work_package)

      expect(page)
        .to have_selector('.subject', text: target_work_package.subject)

      expect(current_path).to eql project_work_package_path(target_work_package.project, target_work_package, state: 'activity')

      first_wp = work_packages.first

      # Typing a work package id shall find that work package
      global_search.search(first_wp.id.to_s, submit: false)

      # And it shall be marked as the direct hit.
      global_search.expect_work_package_marked(first_wp)

      # And the direct hit is opened when enter is pressed
      global_search.submit_with_enter

      expect(page)
        .to have_selector('.subject', text: first_wp.subject)

      expect(current_path).to eql project_work_package_path(first_wp.project, first_wp, state: 'activity')

      # Typing a hash sign before an ID shall only suggest that work package and (no hits within the subject)
      global_search.search("##{first_wp.id}", submit: false)

      global_search.expect_work_package_marked(first_wp)

      # Expect to have 3 project scope selecting menu entries
      global_search.expect_scope('In this project ↵')
      global_search.expect_scope('In this project + subprojects ↵')
      global_search.expect_scope('In all projects ↵')

      # Selection project scope 'In all projects' redirects away from current project.
      global_search.submit_in_global_scope
      expect(current_path).to match(/\/search/)
      expect(current_url).to match(/\/search\?q=#{"%23#{first_wp.id}"}&work_packages=1&scope=all$/)
    end
  end

  describe 'search for work packages' do
    context 'search in all projects' do
      let(:params) { [project, { q: query, work_packages: 1 }] }

      context 'custom fields not searchable' do
        let(:searchable) { false }

        it "does not find WP via custom fields" do
          select_autocomplete(page.find('.top-menu-search--input'),
                              query: "text",
                              select_text: "In all projects ↵")
          table = Pages::EmbeddedWorkPackagesTable.new(find('.work-packages-embedded-view--container'))
          table.ensure_work_package_not_listed!(work_packages[0])
          table.ensure_work_package_not_listed!(work_packages[1])
        end
      end

      context 'custom fields are no filters' do
        let(:is_filter) { false }

        it "does not find WP via custom fields" do
          select_autocomplete(page.find('.top-menu-search--input'),
                              query: "text",
                              select_text: "In all projects ↵")
          table = Pages::EmbeddedWorkPackagesTable.new(find('.work-packages-embedded-view--container'))
          table.ensure_work_package_not_listed!(work_packages[0])
          table.ensure_work_package_not_listed!(work_packages[1])
        end
      end

      context 'custom fields searchable' do
        it "finds WP global custom fields" do
          select_autocomplete(page.find('.top-menu-search--input'),
                              query: "string",
                              select_text: "In all projects ↵")
          table = Pages::EmbeddedWorkPackagesTable.new(find('.work-packages-embedded-view--container'))
          table.ensure_work_package_not_listed!(work_packages[0])
          table.expect_work_package_subject(work_packages[1].subject)
        end
      end
    end

    context 'project search' do
      let(:subproject) { FactoryBot.create :project, parent: project }
      let!(:other_work_package) do
        FactoryBot.create(:work_package, subject: 'Other work package', project: subproject)
      end

      let(:filters) { ::Components::WorkPackages::Filters.new }
      let(:columns) { ::Components::WorkPackages::Columns.new }
      let(:top_menu) { ::Components::Projects::TopMenu.new }

      it 'shows a work package table with correct results' do
        # Search without subprojects
        global_search.search query
        global_search.submit_in_current_project

        # Expect that the "All" tab is selected.
        expect(page).to have_selector('[tab-id="all"].selected')

        # Expect that the project scope is set to current_project and no module (this is the "all" tab) is requested.
        expect(current_url).to match(/\/#{project.identifier}\/search\?q=#{query}&scope=current_project$/)

        # Select "Work packages" tab
        page.find('[tab-id="work_packages"]').click

        # Expect that the project scope is set to current_project and the module "work_packages" is requested.
        expect(current_url).to match(/\/search\?q=#{query}&work_packages=1&scope=current_project$/)

        # Expect that the "Work packages" tab is selected.
        expect(page).to have_selector('[tab-id="work_packages"].selected')

        table = Pages::EmbeddedWorkPackagesTable.new(find('.work-packages-embedded-view--container'))
        table.expect_work_package_count(5) # because we set the page size to this
        # Expect order to be from newest to oldest.
        table.expect_work_package_listed(*work_packages[7..12]) # This line ensures that the table is completely rendered.
        table.expect_work_package_order(*work_packages[7..12].map { |wp| wp.id.to_s }.reverse)

        # Expect that "Advanced filters" can refine the search:
        filters.expect_closed
        page.find('.advanced-filters--toggle').click
        filters.expect_open
        # As the project has a subproject, the filter for subprojectId is expected to be active.
        filters.expect_filter_by 'subprojectId', 'none', nil, 'subprojectId'
        filters.add_filter_by('Subject',
                              'contains',
                              [work_packages.last.subject],
                              'subject')
        table.expect_work_package_listed(work_packages.last)
        filters.remove_filter('subject')
        page.find('#filter-by-text-input').set(work_packages[5].subject)
        table.expect_work_package_subject(work_packages[5].subject)
        table.ensure_work_package_not_listed!(work_packages.last)

        # clearing the text filter and searching by a just a custom field works
        page.find('#filter-by-text-input').set('')
        filters.add_filter_by(custom_field_string.name,
                              'is',
                              [custom_field_string_value],
                              "customField#{custom_field_string.id}")

        table.expect_work_package_subject(work_packages[1].subject)

        # Expect that changing the advanced filters will not affect the global search input.
        expect(global_search.input.value).to eq query

        # Expect that a fresh global search will reset the advanced filters, i.e. that they are closed
        global_search.search work_packages[6].subject, submit: true

        expect(page).to have_text "Search for \"#{work_packages[6].subject}\" in #{project.name}"

        table.ensure_work_package_not_listed!(work_packages[5])
        table.expect_work_package_subject(work_packages[6].subject)

        filters.expect_closed
        # ...and that advanced filter shall have copied the global search input value.
        page.find('.advanced-filters--toggle').click
        filters.expect_open

        # Expect that changing the search term without using the autocompleter will leave the project scope unchanged
        # at current_project.
        global_search.search other_work_package.subject, submit: true

        expect(page).to have_text "Search for \"#{other_work_package.subject}\" in #{project.name}"

        # and expect that subproject's work packages will not be found
        table.ensure_work_package_not_listed! other_work_package

        expect(current_url).to match(/\/#{project.identifier}\/search\?q=Other%20work%20package&work_packages=1&scope=current_project$/)

        # Expect to find custom field values
        # ...for type: text
        global_search.search custom_field_text_value, submit: true
        table.ensure_work_package_not_listed! work_packages[1]
        table.expect_work_package_subject(work_packages[0].subject)
        # ... for type: string
        global_search.search custom_field_string_value, submit: true
        table.ensure_work_package_not_listed! work_packages[0]
        table.expect_work_package_subject(work_packages[1].subject)

        # Change to project scope to include subprojects
        global_search.search other_work_package.subject
        global_search.submit_in_project_and_subproject_scope

        # Expect that the "Work packages" tab is selected.
        expect(page).to have_selector('[tab-id="work_packages"].selected')

        expect(page).to have_text "Search for \"#{other_work_package.subject}\" in #{project.name} and all subprojects"

        # Expect that the project scope is not set and work_packages module continues to stay selected.
        expect(current_url).to match(/\/#{project.identifier}\/search\?q=Other%20work%20package&work_packages=1$/)

        table = Pages::EmbeddedWorkPackagesTable.new(find('.work-packages-embedded-view--container'))
        table.expect_work_package_count(1)
        table.expect_work_package_subject(other_work_package.subject)

        # Change project context to subproject
        top_menu.toggle
        top_menu.expect_open
        top_menu.search_and_select subproject.name
        top_menu.expect_current_project subproject.name

        select_autocomplete(page.find('.top-menu-search--input'),
                            query: query,
                            select_text: 'In this project ↵')

        filters.expect_closed
        page.find('.advanced-filters--toggle').click
        filters.expect_open
        # As the current project (the subproject) has no subprojects, the filter for subprojectId is expected to be unavailable.
        filters.expect_no_filter_by 'subprojectId', 'subprojectId'
      end
    end
  end

  describe 'search for projects' do
    let!(:searched_for_project) { FactoryBot.create(:project, name: 'Searched for project') }
    let!(:other_project) { FactoryBot.create(:project, name: 'Other project') }

    context 'globally' do
      it 'finds the project' do
        select_autocomplete(page.find('.top-menu-search--input'),
                            query: "Searched",
                            select_text: "In all projects ↵")

        within '.global-search--tabs' do
          click_on 'Projects'
        end

        expect(page)
          .to have_link(searched_for_project.name)

        expect(page)
          .to have_no_link(other_project.name)
      end
    end
  end

  describe 'pagination' do
    context 'project wide search' do
      it 'works' do
        expect_range 3, 12

        click_on 'Next', match: :first
        expect_range 1, 2
        expect(current_path).to match "/projects/#{project.identifier}/search"

        click_on 'Previous', match: :first
        expect_range 3, 12
        expect(current_path).to match "/projects/#{project.identifier}/search"
      end
    end

    context 'global "All" search' do
      before do
        login_as user

        visit "/search?q=#{query}"
      end

      it 'works' do
        expect_range 3, 12

        click_on 'Next', match: :first
        expect_range 1, 2

        click_on 'Previous', match: :first
        expect_range 3, 12
      end
    end
  end

  describe 'params escaping' do
    let(:wp_1) { FactoryBot.create :work_package, subject: "Foo && Bar", project: project }
    let(:wp_2) { FactoryBot.create :work_package, subject: "Foo # Bar", project: project }
    let(:wp_3) { FactoryBot.create :work_package, subject: "Foo &# Bar", project: project }
    let!(:work_packages) { [wp_1, wp_2, wp_3] }
    let(:table) { Pages::EmbeddedWorkPackagesTable.new(find('.work-packages-embedded-view--container')) }

    let(:run_visit) { false }

    before do
      visit home_path
    end

    it 'properly transmits parameters used in URL query' do
      global_search.search "Foo &"
      # Bug in ng-select causes highlights to break up entities
      global_search.find_option "Foo && Bar"
      global_search.find_option "Foo &# Bar"
      global_search.expect_global_scope_marked
      global_search.submit_in_global_scope

      table.ensure_work_package_not_listed! wp_2
      table.expect_work_package_listed(wp_1, wp_3)

      global_search.search "# Bar"
      global_search.find_option "Foo # Bar"
      global_search.find_option "Foo &# Bar"
      global_search.submit_in_global_scope
      table.ensure_work_package_not_listed! wp_1
      table.expect_work_package_listed(wp_2)

      global_search.search "&"
      # Bug in ng-select causes highlights to break up entities
      global_search.find_option "Foo && Bar"
      global_search.find_option "Foo &# Bar"
      global_search.submit_in_global_scope
      table.ensure_work_package_not_listed! wp_2
      table.expect_work_package_listed(wp_1, wp_3)
    end
  end
end