class UsersProject < ActiveRecord::Base
  include GitHost

  GUEST     = 10
  REPORTER  = 20
  DEVELOPER = 30
  MASTER    = 40

  belongs_to :user
  belongs_to :project

  attr_protected :project_id, :project

  after_save :update_repository
  after_destroy :update_repository

  validates_uniqueness_of :user_id, scope: [:project_id], message: "already exists in project"
  validates_presence_of :user_id
  validates_presence_of :project_id

  delegate :name, :email, to: :user, prefix: true

  def self.bulk_delete(project, user_ids)
    UsersProject.transaction do
      UsersProject.where(:user_id => user_ids, :project_id => project.id).each do |users_project|
        users_project.destroy
      end
    end
  end

  def self.bulk_update(project, user_ids, project_access)
    UsersProject.transaction do
      UsersProject.where(:user_id => user_ids, :project_id => project.id).each do |users_project|
        users_project.project_access = project_access
        users_project.save
      end
    end
  end

  def self.bulk_import(project, user_ids, project_access)
    UsersProject.transaction do
      user_ids.each do |user_id|
        users_project = UsersProject.new(
          project_access: project_access,
          user_id: user_id
        )
        users_project.project = project
        users_project.save
      end
    end
  end

  def self.user_bulk_import(user, project_ids, project_access)
    UsersProject.transaction do
      project_ids.each do |project_id|
        users_project = UsersProject.new(
          project_access: project_access,
        )
        users_project.project_id = project_id
        users_project.user_id = user.id
        users_project.save
      end
    end
  end

  def self.access_roles
    {
      "Guest"     => GUEST,
      "Reporter"  => REPORTER,
      "Developer" => DEVELOPER,
      "Master"    => MASTER
    }
  end

  def role_access
    project_access
  end

  def update_repository
    git_host.update_repository(project)
  end

  def project_access_human
    Project.access_options.key(self.project_access)
  end

  def repo_access_human
    self.class.access_roles.invert[self.project_access]
  end
end
# == Schema Information
#
# Table name: users_projects
#
#  id             :integer(4)      not null, primary key
#  user_id        :integer(4)      not null
#  project_id     :integer(4)      not null
#  created_at     :datetime        not null
#  updated_at     :datetime        not null
#  project_access :integer(4)      default(0), not null
#