#-- encoding: UTF-8

#-- copyright
# OpenProject is a project management system.
# Copyright (C) 2012-2017 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 doc/COPYRIGHT.rdoc for more details.
#++

module TimeEntries
  class CreateService
    include Concerns::Contracted

    attr_reader :user

    def initialize(user:)
      @user = user
      self.contract_class = TimeEntries::CreateContract
    end

    def call(params)
      time_entry = TimeEntry.new

      time_entry.attributes = params

      assign_defaults(time_entry)
      use_project_activity(time_entry)

      success, errors = validate_and_save(time_entry, user)

      ServiceResult.new(success: success,
                        errors: errors,
                        result: time_entry)
    end

    private

    def assign_defaults(time_entry)
      time_entry.user ||= user
      time_entry.activity ||= TimeEntryActivity.default
      time_entry.hours = nil if time_entry.hours&.zero?
      time_entry.project ||= time_entry.work_package.project if time_entry.work_package
    end

    def use_project_activity(time_entry)
      if time_entry.activity&.shared? && time_entry.project
        project_activity = time_entry.project.time_entry_activities.find_by(parent_id: time_entry.activity_id) ||
                           time_entry.activity
        time_entry.activity = project_activity
      end
    end
  end
end