# frozen_string_literal: true

# Redmine - project management software
# Copyright (C) 2006-  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_relative '../test_helper'

class IssuePriorityTest < ActiveSupport::TestCase
  def setup
    User.current = nil
  end

  def test_named_scope
    assert_equal Enumeration.find_by_name('Normal'), Enumeration.named('normal').first
  end

  def test_default_should_return_the_default_priority
    assert_equal Enumeration.find_by_name('Normal'), IssuePriority.default
  end

  def test_default_should_return_nil_when_no_default_priority
    IssuePriority.update_all :is_default => false
    assert_nil IssuePriority.default
  end

  def test_default_or_middle_should_return_the_default_priority
    assert_equal Enumeration.find_by_name('Normal'), IssuePriority.default_or_middle
  end

  def test_default_or_middle_should_return_middle_when_no_default_priority
    IssuePriority.update_all :is_default => false
    assert_equal Enumeration.find_by_name('High'), IssuePriority.default_or_middle
  end

  def test_should_be_an_enumeration
    assert IssuePriority <= Enumeration
  end

  def test_objects_count
    # low priority
    assert_equal 6, IssuePriority.find(4).objects_count
    # urgent
    assert_equal 0, IssuePriority.find(7).objects_count
  end

  def test_option_name
    assert_equal :enumeration_issue_priorities, IssuePriority.new.option_name
  end

  def test_should_be_created_at_last_position
    IssuePriority.delete_all

    priorities = [1, 2, 3].map {|i| IssuePriority.create!(:name => "P#{i}")}
    assert_equal [1, 2, 3], priorities.map(&:position)
  end

  def test_clear_position_names_should_set_position_names_to_nil
    IssuePriority.clear_position_names
    assert IssuePriority.all.all? {|priority| priority.position_name.nil?}
  end

  def test_compute_position_names_with_default_priority
    IssuePriority.clear_position_names

    IssuePriority.compute_position_names
    assert_equal %w(lowest default high3 high2 highest), IssuePriority.active.to_a.sort.map(&:position_name)
  end

  def test_compute_position_names_without_default_priority_should_split_priorities
    IssuePriority.clear_position_names
    IssuePriority.update_all :is_default => false

    IssuePriority.compute_position_names
    assert_equal %w(lowest low2 default high2 highest), IssuePriority.active.to_a.sort.map(&:position_name)
  end

  def test_low_high_helpers
    IssuePriority.delete_all

    priorities = [1, 2, 3, 4, 5, 6].map {|i| IssuePriority.create!(:name => "P#{i}")}

    middle = IssuePriority.find_by_position(3)

    [1, 2].each do |p|
      assert IssuePriority.find_by_position(p).low?
      assert !IssuePriority.find_by_position(p).high?
    end

    assert !middle.high?
    assert !middle.low?

    [4, 5, 6].each do |p|
      assert IssuePriority.find_by_position(p).high?
      assert !IssuePriority.find_by_position(p).low?
    end

    default = IssuePriority.find_by_position(5)
    default.update is_default: true

    [1, 2, 3, 4].each do |p|
      assert IssuePriority.find_by_position(p).low?
      assert !IssuePriority.find_by_position(p).high?
    end

    assert !default.high?
    assert !default.low?

    [6].each do |p|
      assert IssuePriority.find_by_position(p).high?
      assert !IssuePriority.find_by_position(p).low?
    end
  end

  def test_adding_a_priority_should_update_position_names
    priority = IssuePriority.create!(:name => 'New')
    assert_equal %w(lowest default high4 high3 high2 highest), IssuePriority.active.to_a.sort.map(&:position_name)
  end

  def test_moving_a_priority_should_update_position_names
    prio = IssuePriority.first
    prio.position = IssuePriority.count
    prio.save!
    prio.reload
    assert_equal 'highest', prio.position_name
  end

  def test_deactivating_a_priority_should_update_position_names
    prio = IssuePriority.active.order(:position).last
    prio.active = false
    prio.save
    assert_equal 'highest', IssuePriority.active.order(:position).last.position_name
  end

  def test_changing_default_priority_should_update_position_names
    prio = IssuePriority.first
    prio.is_default = true
    prio.save
    assert_equal %w(default high4 high3 high2 highest), IssuePriority.active.to_a.sort.map(&:position_name)
  end

  def test_destroying_a_priority_should_update_position_names
    IssuePriority.find_by_position_name('highest').destroy
    assert_equal %w(lowest default high2 highest), IssuePriority.active.to_a.sort.map(&:position_name)
  end

  def test_high_should_return_false_when_no_default_priority_and_no_active_priorities
    IssuePriority.update_all(active: false, is_default: false)
    priority = IssuePriority.order(:position).last # Highest priority
    assert_nothing_raised do
      assert_equal false, priority.high?
    end
  end

  def test_low_should_return_false_when_no_default_priority_and_no_active_priorities
    IssuePriority.update_all(active: false, is_default: false)
    priority = IssuePriority.order(:position).first # Lowest priority
    assert_nothing_raised do
      assert_equal false, priority.low?
    end
  end
end
