#-- copyright
# OpenProject Backlogs Plugin
#
# Copyright (C)2013-2014 the OpenProject Foundation (OPF)
# Copyright (C)2011 Stephan Eckardt, Tim Felgentreff, Marnen Laibow-Koser, Sandro Munda
# Copyright (C)2010-2011 friflaj
# Copyright (C)2010 Maxime Guilbot, Andrew Vit, Joakim Kolsjö, ibussieres, Daniel Passos, Jason Vasquez, jpic, Emiliano Heyns
# Copyright (C)2009-2010 Mark Maglana
# Copyright (C)2009 Joe Heck, Nate Lowrie
#
# 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 Backlogs is a derivative work based on ChiliProject Backlogs.
# The copyright follows:
# Copyright (C) 2010-2011 - Emiliano Heyns, Mark Maglana, friflaj
# Copyright (C) 2011 - Jens Ulferts, Gregor Schmidt - Finn GmbH - Berlin, Germany
#
# 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 doc/COPYRIGHT.rdoc for more details.
#++

require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')

describe WorkPackage, "fixed version restricted by an work_package parents (if it's a task)", type: :model do
  let(:type_feature) { FactoryGirl.build(:type_feature) }
  let(:type_task) { FactoryGirl.build(:type_task) }
  let(:type_bug) { FactoryGirl.build(:type_bug) }
  let(:version1) { project.versions.first }
  let(:version2) { project.versions.last }
  let(:role) { FactoryGirl.build(:role) }
  let(:user) { FactoryGirl.build(:user) }
  let(:issue_priority) { FactoryGirl.build(:priority) }
  let(:status) { FactoryGirl.build(:status, name: 'status 1', is_default: true) }

  let(:project) do
    p = FactoryGirl.build(:project, members: [FactoryGirl.build(:member,
                                                                principal: user,
                                                                roles: [role])],
                                    types: [type_feature, type_task, type_bug])

    p.versions << FactoryGirl.build(:version, name: 'Version1', project: p)
    p.versions << FactoryGirl.build(:version, name: 'Version2', project: p)

    p
  end

  let(:story) do
    story = FactoryGirl.build(:work_package,
                              subject: 'Story',
                              project: project,
                              type: type_feature,
                              fixed_version: version1,
                              status: status,
                              author: user,
                              priority: issue_priority)
    story.project.enabled_module_names += ['backlogs']
    story
  end

  let(:story2) do
    story = FactoryGirl.build(:work_package,
                              subject: 'Story2',
                              project: project,
                              type: type_feature,
                              fixed_version: version1,
                              status: status,
                              author: user,
                              priority: issue_priority)
    story.project.enabled_module_names += ['backlogs']
    story
  end

  let(:task) {
    FactoryGirl.build(:work_package,
                      subject: 'Task',
                      type: type_task,
                      fixed_version: version1,
                      project: project,
                      status: status,
                      author: user,
                      priority: issue_priority)
  }

  let(:task2) {
    FactoryGirl.build(:work_package,
                      subject: 'Task2',
                      type: type_task,
                      fixed_version: version1,
                      project: project,
                      status: status,
                      author: user,
                      priority: issue_priority)
  }

  let(:bug) {
    FactoryGirl.build(:work_package,
                      subject: 'Bug',
                      type: type_bug,
                      fixed_version: version1,
                      project: project,
                      status: status,
                      author: user,
                      priority: issue_priority)
  }

  let(:bug2) {
    FactoryGirl.build(:work_package,
                      subject: 'Bug2',
                      type: type_bug,
                      fixed_version: version1,
                      project: project,
                      status: status,
                      author: user,
                      priority: issue_priority)
  }

  shared_examples_for 'fixed version beeing inherited from the parent' do
    before(:each) do
      parent.save!
      subject.parent_id = parent.id unless subject.parent_id.present?
      subject.save!
      parent.reload
    end

    describe 'WITHOUT a fixed version and the parent also having no fixed version' do
      before(:each) do
        parent.fixed_version = nil
        parent.save!
        subject.reload
        subject.fixed_version = nil
        subject.save!
      end

      it { expect(subject.reload.fixed_version).to be_nil }
    end

    describe 'WITHOUT a fixed version and the parent having a fixed version' do
      before(:each) do
        parent.fixed_version = version1
        parent.save!
        subject.fixed_version = nil
        subject.save!
      end

      it { expect(subject.reload.fixed_version).to eql version1 }
    end

    describe 'WITH a fixed version and the parent having a different fixed version' do
      before(:each) do
        parent.fixed_version = version1
        parent.save!
        subject.fixed_version = version2
        subject.save!
      end

      it { expect(subject.reload.fixed_version).to eql version1 }
    end

    describe 'WITH a fixed version and the parent having the same fixed version' do
      before(:each) do
        parent.fixed_version = version1
        parent.save!
        subject.fixed_version = version1
        subject.save!
      end

      it { expect(subject.reload.fixed_version).to eql version1 }
    end

    describe 'WITH a fixed version and the parent having no fixed version' do
      before(:each) do
        parent.fixed_version = nil
        parent.save!
        subject.reload
        subject.fixed_version = version1
        subject.save!
      end

      it { expect(subject.reload.fixed_version).to be_nil }
    end
  end

  shared_examples_for 'fixed version not beeing inherited from the parent' do
    before(:each) do
      parent.save!
      subject.parent_id = parent.id unless subject.parent_id.present?
      subject.save!
      parent.reload
    end

    describe 'WITHOUT a fixed version and the parent also having no fixed version' do
      before(:each) do
        parent.fixed_version = nil
        parent.save!
        subject.reload
        subject.fixed_version = nil
        subject.save!
      end

      it { expect(subject.reload.fixed_version).to be_nil }
    end

    describe 'WITHOUT a fixed version and the parent having a fixed version' do
      before(:each) do
        parent.fixed_version = version1
        parent.save!
        subject.fixed_version = nil
        subject.save!
      end

      it { expect(subject.reload.fixed_version).to be_nil }
    end

    describe 'WITH a fixed version and the parent having a different fixed version' do
      before(:each) do
        parent.fixed_version = version1
        parent.save!
        subject.fixed_version = version2
        subject.save!
      end

      it { expect(subject.reload.fixed_version).to eql version2 }
    end

    describe 'WITH a fixed version and the parent having the same fixed version' do
      before(:each) do
        parent.fixed_version = version1
        parent.save!
        subject.fixed_version = version1
        subject.save!
      end

      it { expect(subject.reload.fixed_version).to eql version1 }
    end

    describe 'WITH a fixed version and the parent having no fixed version' do
      before(:each) do
        parent.fixed_version = nil
        parent.save!
        subject.reload
        subject.fixed_version = version1
        subject.save!
      end

      it { expect(subject.reload.fixed_version).to eql version1 }
    end
  end

  shared_examples_for 'fixed version without restriction' do
    describe 'WITHOUT a fixed version' do
      before(:each) do
        subject.fixed_version = nil
        subject.save!
      end

      it { expect(subject.reload.fixed_version).to be_nil }
    end

    describe 'WITH a fixed version' do
      before(:each) do
        subject.fixed_version = version1
        subject.save!
      end

      it { expect(subject.reload.fixed_version).to eql version1 }
    end
  end

  before(:each) do
    project.save!

    allow(Setting).to receive(:plugin_openproject_backlogs).and_return({ 'points_burn_direction' => 'down',
                                                                         'wiki_template'         => '',
                                                                         'card_spec'             => 'Sattleford VM-5040',
                                                                         'story_types'           => [type_feature.id],
                                                                         'task_type'             => type_task.id.to_s })
  end

  describe 'WITH a story' do
    subject { story }

    describe 'WITHOUT a parent work_package' do
      it_should_behave_like 'fixed version without restriction'
    end

    describe "WITH a story as it's parent" do
      let(:parent) { story2 }

      it_should_behave_like 'fixed version not beeing inherited from the parent'
    end

    describe "WITH a non backlogs tracked work_package as it's parent" do
      let(:parent) { bug }

      it_should_behave_like 'fixed version not beeing inherited from the parent'
    end
  end

  describe 'WITH a task' do
    subject { task }

    describe 'WITHOUT a parent work_package (would then be an impediment)' do
      it_should_behave_like 'fixed version without restriction'
    end

    describe "WITH a task as it's parent" do
      before(:each) do
        story.save!
        task2.parent_id = story.id
        task2.save!
        story.reload
        task.parent_id = task2.id
        task.save!
        task2.reload
        story.reload
      end

      # It's actually the grandparent but it makes no difference for the test
      let(:parent) { story }

      it_should_behave_like 'fixed version beeing inherited from the parent'
    end

    describe "WITH a story as it's parent" do
      let(:parent) { story }

      it_should_behave_like 'fixed version beeing inherited from the parent'
    end

    describe "WITH a non backlogs tracked work_package as it's parent" do
      let(:parent) { bug }

      it_should_behave_like 'fixed version not beeing inherited from the parent'
    end
  end

  describe 'WITH a non backlogs work_package' do
    subject { bug }

    describe 'WITHOUT a parent work_package' do
      it_should_behave_like 'fixed version without restriction'
    end

    describe "WITH a task as it's parent" do
      let(:parent) { task2 }

      it_should_behave_like 'fixed version not beeing inherited from the parent'
    end

    describe "WITH a story as it's parent" do
      let(:parent) { story }

      it_should_behave_like 'fixed version not beeing inherited from the parent'
    end

    describe "WITH a non backlogs tracked work_package as it's parent" do
      let(:parent) { bug2 }

      it_should_behave_like 'fixed version not beeing inherited from the parent'
    end
  end
end