module VCAP::CloudController
  class DomainAccess < BaseAccess
    def can_remove_related_object?(object, params=nil)
      read_for_update?(object, params)
    end

    def read_related_object_for_update?(object, params=nil)
      read_for_update?(object, params)
    end

    def index?(_object_class, _params=nil)
      admin_user? || admin_read_only_user? || has_read_scope? || global_auditor?
    end

    # These methods should be called first to determine if the user's token has the appropriate scope for the operation

    def read_with_token?(_)
      admin_user? || admin_read_only_user? || has_read_scope? || global_auditor?
    end

    def create_with_token?(_)
      admin_user? || has_write_scope?
    end

    def read_for_update_with_token?(_)
      admin_user? || has_write_scope?
    end

    def can_remove_related_object_with_token?(*)
      read_for_update_with_token?(*)
    end

    def read_related_object_for_update_with_token?(*)
      read_for_update_with_token?(*)
    end

    def update_with_token?(_)
      admin_user? || has_write_scope?
    end

    def delete_with_token?(_)
      admin_user? || has_write_scope?
    end

    def index_with_token?(_)
      admin_user? || admin_read_only_user? || has_read_scope? || global_auditor?
    end

    def create?(domain, params=nil)
      return true if admin_user?

      actual_access(domain).create?(domain, params)
    end

    def read_for_update?(domain, params=nil)
      actual_access(domain).read_for_update?(domain, params)
    end

    def update?(domain, params=nil)
      actual_access(domain).update?(domain, params)
    end

    def delete?(domain)
      actual_access(domain).delete?(domain)
    end

    def read?(domain)
      actual_access(domain).read?(domain)
    end

    private

    def actual_access(domain)
      if domain.owning_organization
        PrivateDomainAccess.new(context)
      else
        SharedDomainAccess.new(context)
      end
    end
  end
end
