# frozen_string_literal: true

# Redmine - project management software
# Copyright (C) 2006-2019  Jean-Philippe Lang
#
# 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.

require File.expand_path('../../test_helper', __FILE__)

class IssueImportTest < ActiveSupport::TestCase
  fixtures :projects, :enabled_modules,
           :users, :email_addresses,
           :roles, :members, :member_roles,
           :issues, :issue_statuses,
           :trackers, :projects_trackers,
           :versions,
           :issue_categories,
           :enumerations,
           :workflows,
           :custom_fields,
           :custom_values,
           :custom_fields_projects,
           :custom_fields_trackers

  include Redmine::I18n

  def setup
    User.current = nil
    set_language_if_valid 'en'
  end

  def test_authorized
    assert  IssueImport.authorized?(User.find(1)) # admins
    assert  IssueImport.authorized?(User.find(2)) # has import_issues permission
    assert !IssueImport.authorized?(User.find(3)) # does not have permission
  end

  def test_create_versions_should_create_missing_versions
    import = generate_import_with_mapping
    import.mapping.merge!('fixed_version' => '9', 'create_versions' => '1')
    import.save!

    version = new_record(Version) do
      assert_difference 'Issue.count', 3 do
        import.run
      end
    end
    assert_equal '2.1', version.name
  end

  def test_create_categories_should_create_missing_categories
    import = generate_import_with_mapping
    import.mapping.merge!('category' => '10', 'create_categories' => '1')
    import.save!

    category = new_record(IssueCategory) do
      assert_difference 'Issue.count', 3 do
        import.run
      end
    end
    assert_equal 'New category', category.name
  end

  def test_mapping_with_fixed_tracker
    import = generate_import_with_mapping
    import.mapping.merge!('tracker' => 'value:2')
    import.save!

    issues = new_records(Issue, 3) { import.run }
    assert_equal [2], issues.map(&:tracker_id).uniq
  end

  def test_mapping_with_mapped_tracker
    import = generate_import_with_mapping
    import.mapping.merge!('tracker' => '13')
    import.save!

    issues = new_records(Issue, 3) { import.run }
    assert_equal [1, 2, 1], issues.map(&:tracker_id)
  end

  def test_should_not_import_with_default_tracker_when_tracker_is_invalid
    Tracker.find_by_name('Feature request').update!(:name => 'Feature')

    import = generate_import_with_mapping
    import.mapping.merge!('tracker' => '13')
    import.save!
    import.run

    assert_equal 1, import.unsaved_items.count
    item = import.unsaved_items.first
    assert_include "Tracker cannot be blank", item.message
  end

  def test_status_should_be_set
    import = generate_import_with_mapping
    import.mapping.merge!('status' => '14')
    import.save!

    issues = new_records(Issue, 3) { import.run }
    assert_equal ['New', 'New', 'Assigned'], issues.map(&:status).map(&:name)
  end

  def test_parent_should_be_set
    import = generate_import_with_mapping
    import.mapping.merge!('parent_issue_id' => '5')
    import.save!

    issues = new_records(Issue, 3) { import.run }
    assert_nil issues[0].parent
    assert_equal issues[0].id, issues[1].parent_id
    assert_equal 2, issues[2].parent_id
  end

  def test_import_utf8_with_bom
    import = generate_import_with_mapping('import_issues_utf8_with_bom.csv')
    import.settings.merge!('encoding' => 'UTF-8')
    import.save

    issues = new_records(Issue,3) { import.run }
    assert_equal 3, issues.count
  end

  def test_backward_and_forward_reference_to_parent_should_work
    import = generate_import('import_subtasks.csv')
    import.settings = {
      'separator' => ";", 'wrapper' => '"', 'encoding' => "UTF-8",
      'mapping' => {'project_id' => '1', 'tracker' => '1', 'subject' => '2', 'parent_issue_id' => '3'}
    }
    import.save!

    root, child1, grandchild, child2 = new_records(Issue, 4) { import.run }
    assert_equal root, child1.parent
    assert_equal child2, grandchild.parent
  end

  def test_backward_and_forward_reference_with_unique_id
    import = generate_import_with_mapping('import_subtasks_with_unique_id.csv')
    import.settings['mapping'] = {'project_id' => '1', 'unique_id' => '0', 'tracker' => '1', 'subject' => '2', 'parent_issue_id' => '3'}
    import.save!

    root, child1, grandchild, child2 = new_records(Issue, 4) { import.run }
    assert_equal root, child1.parent
    assert_equal child2, grandchild.parent
  end

  def test_assignee_should_be_set
    import = generate_import_with_mapping
    import.mapping.merge!('assigned_to' => '11')
    import.save!

    issues = new_records(Issue, 3) { import.run }
    assert_equal [User.find(3), nil, nil], issues.map(&:assigned_to)
  end

  def test_user_custom_field_should_be_set
    field = IssueCustomField.generate!(:field_format => 'user', :is_for_all => true, :trackers => Tracker.all)
    import = generate_import_with_mapping
    import.mapping.merge!("cf_#{field.id}" => '11')
    import.save!

    issues = new_records(Issue, 3) { import.run }
    assert_equal '3', issues.first.custom_field_value(field)
  end

  def test_list_custom_field_should_be_set
    field = CustomField.find(1)
    field.tracker_ids = Tracker.all.ids
    field.save!
    import = generate_import_with_mapping
    import.mapping.merge!("cf_1" => '8')
    import.save!

    issues = new_records(Issue, 3) { import.run }
    assert_equal 'PostgreSQL', issues[0].custom_field_value(1)
    assert_equal 'MySQL', issues[1].custom_field_value(1)
    assert_equal '', issues.third.custom_field_value(1)
  end

  def test_multiple_list_custom_field_should_be_set
    field = CustomField.find(1)
    field.tracker_ids = Tracker.all.ids
    field.multiple = true
    field.save!
    import = generate_import_with_mapping
    import.mapping.merge!("cf_1" => '15')
    import.save!

    issues = new_records(Issue, 3) { import.run }
    assert_equal ['Oracle', 'PostgreSQL'], issues[0].custom_field_value(1).sort
    assert_equal ['MySQL'], issues[1].custom_field_value(1)
    assert_equal [''], issues.third.custom_field_value(1)
  end

  def test_is_private_should_be_set_based_on_user_locale
    import = generate_import_with_mapping
    import.mapping.merge!('is_private' => '6')
    import.save!

    issues = new_records(Issue, 3) { import.run }
    assert_equal [false, true, false], issues.map(&:is_private)
  end

  def test_dates_should_be_parsed_using_date_format_setting
    field = IssueCustomField.generate!(:field_format => 'date', :is_for_all => true, :trackers => Tracker.all)
    import = generate_import_with_mapping('import_dates.csv')
    import.settings.merge!('date_format' => Import::DATE_FORMATS[1])
    import.mapping.merge!('tracker' => 'value:1', 'subject' => '0', 'start_date' => '1', 'due_date' => '2', "cf_#{field.id}" => '3')
    import.save!

    issue = new_record(Issue) { import.run } # only 1 valid issue
    assert_equal "Valid dates", issue.subject
    assert_equal Date.parse('2015-07-10'), issue.start_date
    assert_equal Date.parse('2015-08-12'), issue.due_date
    assert_equal '2015-07-14', issue.custom_field_value(field)

    # Tests using other date formats
    import = generate_import_with_mapping('import_dates_ja.csv')
    import.settings.merge!('date_format' => Import::DATE_FORMATS[3])
    import.mapping.merge!('tracker' => 'value:1', 'subject' => '0', 'start_date' => '1')
    import.save!

    issue = new_record(Issue) { import.run }
    assert_equal Date.parse('2019-05-28'), issue.start_date
  end

  def test_date_format_should_default_to_user_language
    user = User.generate!(:language => 'fr')
    import = Import.new
    import.user = user
    assert_nil import.settings['date_format']

    import.set_default_settings
    assert_equal '%d/%m/%Y', import.settings['date_format']
  end

  def test_run_should_remove_the_file
    import = generate_import_with_mapping
    file_path = import.filepath
    assert File.exists?(file_path)

    import.run
    assert !File.exists?(file_path)
  end

  def test_run_should_consider_project_shared_versions
    system_version = Version.generate!(:project_id => 2, :sharing => 'system', :name => '2.1')
    system_version.save!

    import = generate_import_with_mapping
    import.mapping.merge!('fixed_version' => '9')
    import.save!

    issues = new_records(Issue, 3) { import.run }
    assert [nil, 3, system_version.id], issues.map(&:fixed_version_id)
  end

  def test_set_default_settings_with_project_id
    import = Import.new
    import.set_default_settings(:project_id => 3)

    assert_equal 3, import.mapping['project_id']
  end

  def test_set_default_settings_with_project_identifier
    import = Import.new
    import.set_default_settings(:project_id => 'ecookbook')

    assert_equal 1, import.mapping['project_id']
  end

  def test_set_default_settings_without_project_id
    import = Import.new
    import.set_default_settings

    assert_empty import.mapping
  end

  def test_set_default_settings_with_invalid_project_should_not_fail
    import = Import.new
    import.set_default_settings(:project_id => 'abc')

    assert_empty import.mapping
  end
end
