module Eco
  module API
    module UseCases
      class DefaultCases
        class HrisCase < BaseCase

          def process
            @cases.define("hris", type: :sync) do |entries, people, session, options|
              # IMPORTANT: this two lines ensure that key users are preserved (only manually maintained)
              #people  = people.exclude(session.discarded_entries)
              #entries = entries.exclude(session.discarded_entries)

              creation = session.job_group("main").new("create", type: :create, sets: [:core, :details, :account])
              update   = session.job_group("main").new("update", type: :update, sets: [:core, :details, :account])
              supers   = session.job_group("post").new("supers", type: :update, sets: :core)
              #remove   = session.job_group("post").new("remove_account", type: :update, sets: :account)

              #people.users.each_with_index  do |person, i|
              #  if !entries.find(person)
              #    remove.add(person) do |person|
              #      person.account = nil
              #      person
              #    end
              #  end
              #end

              entries.each.with_index do |entry, i|
                person = people.find(entry)
                person = session.new_person if create = !person

                entry.set_core(person, exclude: "supervisor_id")
                entry.set_details(person)
                entry.set_account(person) #if !remove.people.find(entry)
                person.account.permissions_custom = session.new_preset(person)

                person.account.default_tag = person.account.filter_tags.first if person.account.filter_tags.length == 1

                creation.add(person) if create
                update.add(person) unless create

                # set supervisor
                if !(sup_id = entry.supervisor_id)
                  person.supervisor_id = nil
                else
                  if supervisor = people.person(id: sup_id, external_id: sup_id, email: sup_id)
                    person.supervisor_id = supervisor.id
                  else
                    # delay setting supervisor if does not exit
                    supers.add(person) do |person|
                      #person = session.new_person(person: person.doc)
                      person.sync
                      person.supervisor_id = sup_id
                      person
                    end
                  end
                end

              end

            end
          end

        end
      end
    end
  end
end