#-- copyright
# OpenProject is a project management system.
# Copyright (C) 2012-2018 the OpenProject Foundation (OPF)
#
# 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) 2006-2017 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 User, 'allowed scope' do
  let(:user) { member.principal }
  let(:anonymous) { FactoryBot.build(:anonymous) }
  let(:project) { FactoryBot.build(:project, is_public: false) }
  let(:project2) { FactoryBot.build(:project, is_public: false) }
  let(:role) { FactoryBot.build(:role) }
  let(:role2) { FactoryBot.build(:role) }
  let(:anonymous_role) { FactoryBot.build(:anonymous_role) }
  let(:member) do
    FactoryBot.build(:member, project: project,
                               roles: [role])
  end

  let(:action) { :view_work_packages }
  let(:other_action) { :another }
  let(:public_action) { :view_project }

  before do
    user.save!
    anonymous.save!
    Role.anonymous
    Role.non_member
  end

  context 'w/ the context being a project
           w/o the project being public
           w/ the user being member in the project
           w/ the role having the necessary permission' do
    before do
      role.add_permission! action

      member.save!
    end

    it 'should return the user' do
      expect(User.allowed(action, project)).to match_array [user]
    end
  end

  context 'w/ the context being a project
           w/o the project being public
           w/o the user being member in the project
           w/ the user being admin' do
    before do
      user.update_attribute(:admin, true)
    end

    it 'should return the user' do
      expect(User.allowed(action, project)).to match_array [user]
    end
  end

  context 'w/ the context being a project
           w/o the project being public
           w/ the user being member in the project
           w/o the role having the necessary permission' do
    before do
      role.save!
      member.save!
    end

    it 'should be empty' do
      expect(User.allowed(action, project)).to be_empty
    end
  end

  context 'w/ the context being a project
           w/o the project being public
           w/o the user being member in the project
           w/ the role having the necessary permission' do
    before do
      role.add_permission! action
    end

    it 'should return the user' do
      expect(User.allowed(action, project)).to be_empty
    end
  end

  context 'w/ the context being a project
           w/o the project being public
           w/o the user being member in the project
           w/ the user being member in a different project
           w/ the role having the permission' do
    before do
      role.add_permission! action

      member.project = project2
      member.save!
    end

    it 'should be empty' do
      expect(User.allowed(action, project)).to be_empty
    end
  end

  context 'w/ the context being a project
           w/ the project being public
           w/o the user being member in the project
           w/ the user being member in a different project
           w/ the role having the permission' do
    before do
      role.add_permission! action

      project.is_public = true
      project.save!

      member.project = project2
      member.save!
    end

    it 'should be empty' do
      expect(User.allowed(action, project)).to be_empty
    end
  end

  context 'w/ the context being a project
           w/ the project being public
           w/o the user being member in the project
           w/ the non member role having the necessary permission' do
    before do
      project.is_public = true

      non_member = Role.non_member
      non_member.add_permission! action

      project.save!
    end

    it 'should return the user' do
      expect(User.allowed(action, project)).to match_array [user]
    end
  end

  context 'w/ the context being a project
           w/ the project being public
           w/o the user being member in the project
           w/ the anonymous role having the necessary permission' do
    before do
      project.is_public = true

      anonymous_role = Role.anonymous
      anonymous_role.add_permission! action

      project.save!
    end

    it 'should return the anonymous user' do
      expect(User.allowed(action, project)).to match_array([anonymous])
    end
  end

  context 'w/ the context being a project
           w/ the project being public
           w/o the user being member in the project
           w/ the non member role having another permission' do
    before do
      project.is_public = true

      non_member = Role.non_member
      non_member.add_permission! other_action

      project.save!
    end

    it 'should be empty' do
      expect(User.allowed(action, project)).to be_empty
    end
  end

  context 'w/ the context being a project
           w/ the project being private
           w/o the user being member in the project
           w/ the non member role having the permission' do
    before do
      non_member = Role.non_member
      non_member.add_permission! action

      project.save!
    end

    it 'should be empty' do
      expect(User.allowed(action, project)).to be_empty
    end
  end

  context 'w/ the context being a project
           w/ the project being public
           w/ the user being member in the project
           w/o the role having the necessary permission
           w/ the non member role having the permission' do
    before do
      project.is_public = true
      project.save

      role.add_permission! other_action
      member.save!

      non_member = Role.non_member
      non_member.add_permission! action
    end

    it 'should be empty' do
      expect(User.allowed(action, project)).to be_empty
    end
  end

  context 'w/ the context being a project
           w/o the project being public
           w/ the user being member in the project
           w/o the role having the permission
           w/ the permission being public' do
    before do
      member.save!
    end

    it 'should return the user' do
      expect(User.allowed(public_action, project)).to match_array [user]
    end
  end

  context 'w/ the context being a project
           w/ the project being public
           w/o the user being member in the project
           w/o the role having the permission
           w/ the permission being public' do
    before do
      project.is_public = true
      project.save
    end

    it 'should return the user and anonymous' do
      expect(User.allowed(public_action, project)).to match_array [user, anonymous]
    end
  end

  context 'w/ the context being a project
           w/ the user being member in the project
           w/ asking for a certain permission
           w/ the permission belonging to a module
           w/o the module being active' do
    let(:permission) do
      OpenProject::AccessControl.permissions.find { |p| p.project_module.present? }
    end

    before do
      project.enabled_module_names = []

      role.add_permission! permission.name
      member.save!
    end

    it 'should be empty' do
      expect(User.allowed(permission.name, project)).to eq []
    end
  end

  context 'w/ the context being a project
           w/ the user being member in the project
           w/ asking for a certain permission
           w/ the permission belonging to a module
           w/ the module being active' do
    let(:permission) do
      OpenProject::AccessControl.permissions.find { |p| p.project_module.present? }
    end

    before do
      project.enabled_module_names = [permission.project_module]

      role.add_permission! permission.name
      member.save!
    end

    it 'should return the user' do
      expect(User.allowed(permission.name, project)).to eq [user]
    end
  end

  context 'w/ the context being a project
           w/ the user being member in the project
           w/ asking for a certain permission
           w/ the user having the permission in the project
           w/o the project being active' do
    before do
      role.add_permission! action
      member.save!

      project.update_attribute(:status, Project::STATUS_ARCHIVED)
    end

    it 'should be empty' do
      expect(User.allowed(action, project)).to eq []
    end
  end

  context 'w/ only asking for members
           w/o the project being public
           w/o the user being member in the project
           w/ the user being admin' do
    before do
      user.update_attribute(:admin, true)
    end

    it 'should return the user' do
      expect(User.allowed_members(action, project)).to be_empty
    end
  end

  context 'w/ only asking for members
           w/o the project being public
           w/ the user being member in the project
           w/ the role having the necessary permission' do
    before do
      role.add_permission! action

      member.save!
    end

    it 'should return the user' do
      expect(User.allowed_members(action, project)).to match_array [user]
    end
  end

  context 'w/ only asking for members
           w/o the project being public
           w/o the user being member in the project
           w/ the user being admin' do
    before do
      user.update_attribute(:admin, true)
    end

    it 'should return the user' do
      expect(User.allowed_members(action, project)).to be_empty
    end
  end

  context 'w/ only asking for members
           w/ the project being public
           w/ the user being member in the project
           w/ the role having the necessary permission' do
    before do
      project.update_attribute(:is_public, true)

      role.add_permission! action

      member.save!
    end

    it 'should return the user' do
      expect(User.allowed_members(action, project)).to match_array [user]
    end
  end

  context 'w/ only asking for members
           w/ the project being public
           w/o the user being member in the project
           w/ the role having the necessary permission' do
    before do
      project.update_attribute(:is_public, true)

      role.add_permission! action
    end

    it 'should return the user' do
      expect(User.allowed_members(action, project)).to be_empty
    end
  end
end