#-- encoding: UTF-8
#-- copyright
# OpenProject is a project management system.
# Copyright (C) 2012-2015 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) 2006-2013 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 doc/COPYRIGHT.rdoc for more details.
#++

class CopyProjectsController < ApplicationController
  helper :timelines

  before_action :disable_api
  before_action :find_project
  before_action :authorize
  before_action :prepare_for_copy_project

  def copy
    @copy_project = project_copy

    if @copy_project.valid?
      target_project_params = @copy_project.attributes.compact

      copy_project_job = CopyProjectJob.new(user_id: User.current.id,
                                            source_project_id: @project.id,
                                            target_project_params: target_project_params,
                                            associations_to_copy: params[:only],
                                            send_mails: params[:notifications] == '1')

      Delayed::Job.enqueue copy_project_job
      flash[:notice] = I18n.t('copy_project.started',
                              source_project_name: @project.name,
                              target_project_name: permitted_params.project[:name])
      redirect_to origin
    else
      from = (['admin', 'settings'].include?(params[:coming_from]) ? params[:coming_from] : 'settings')
      render action: "copy_from_#{from}"
    end
  end

  def copy_project
    from = (['admin', 'settings'].include?(params[:coming_from]) ? params[:coming_from] : 'settings')
    @copy_project = Project.copy_attributes(@project)
    if @copy_project
      @copy_project.identifier = Project.next_identifier if Setting.sequential_project_identifiers?
      render action: "copy_from_#{from}"
    else
      redirect_to :back
    end
  rescue ActiveRecord::RecordNotFound
    redirect_to :back
  end

  private

  def project_copy
    copy_project = Project.new
    copy_project.attributes = permitted_params.project

    # cannot use set_allowed_parent! as it requires a persisted project
    if copy_project.allowed_parent?(params['project']['parent_id'])
      copy_project.parent_id = params['project']['parent_id']
    end

    copy_project
  end

  def origin
    params[:coming_from] == 'admin' ? projects_admin_index_path : settings_project_path(@project.id)
  end

  def prepare_for_copy_project
    @issue_custom_fields = WorkPackageCustomField.order("#{CustomField.table_name}.position")
    @types = ::Type.all
    @root_projects = Project.where("parent_id IS NULL AND status = #{Project::STATUS_ACTIVE}")
                     .order('name')
  end
end