#this class handles user login and password. User has the attributes user name, email and password which he / she can choose
class User
  include Mongoid::Document
  include Mongoid::Timestamps
  include ActiveModel::SecurePassword

  field :user_name, type: String
  field :email, type: String
  field :password_digest, type: String

  has_secure_password

  belongs_to :workgroup
  has_many :authorizations
  belongs_to :member_profile

  VALID_EMAIL_FORMAT = /\A[^@\s]+@([^@.\s]+\.)+[^@.\s]+\z/

  validates :user_name, presence: true, uniqueness: true
  validates :password, presence: true, :on => :create, length: {:in => 8..20}
  validates :email, presence: true, uniqueness: true, format: { with: VALID_EMAIL_FORMAT }

  def is_admin?
    if (self.workgroup.present? && self.workgroup.key.eql?("admin"))
      true
    else
      false
    end
  end

  def is_manager?(module_app)
    if ((module_app.user_module_managers.include?(self.id) rescue nil) && (!self.is_admin?))
      true
    else
      false
    end
  end
  
  def is_sub_manager?(module_app)
    module_app_categories = module_app.categories.map {|c| c.id} rescue nil
    authorized_categories = self.authorizations.map {|a| a.category.id if (a.category.present? && a.workgroup.key.eql?("sub_managers"))}
    intersection = (module_app_categories & authorized_categories)

    if ((intersection.count > 0 if intersection.present?) && !self.is_admin? && !self.is_manager?(module_app))
      true
    else
      false
    end
  end

  def is_manager_with_role?(module_app)
    user_roles = self.member_profile.role_ids.map {|r| r}
    authorized_roles = module_app.role_managers rescue []
    intersection = (user_roles & authorized_roles)

    if ((intersection.count > 0 if intersection.present?) && !self.is_admin? && !self.is_manager?(module_app) && !self.is_sub_manager?(module_app))
      true
    else
      false
    end
  end

  def user_workgroup(module_app)
    if self.is_admin?
      "Admin"
    elsif (self.is_manager?(module_app) || is_manager_with_role?(module_app))
      "Manager"
    elsif self.is_sub_manager?(module_app)
      "Sub Manager"
    end
  end

  def self.not_admins
    workgroup = Workgroup.find_by(key: "admin")
    self.where(:workgroup_id.ne => workgroup.id) 
  end

end