# Copyright (C) 2012-2024 Zammad Foundation, https://zammad-foundation.org/

module Import
  module OTRS
    class State
      include Import::Helper
      include Import::OTRS::Helper

      MAPPING = {
        ChangeTime: :updated_at,
        CreateTime: :created_at,
        Name:       :name,
        ID:         :id,
        ValidID:    :active,
        Comment:    :note,
      }.freeze

      def initialize(state)
        import(state)
      end

      private

      def import(state)
        return if skip?(state)

        create_or_update(map(state))
      end

      def create_or_update(state)
        return if updated?(state)

        create(state)
      end

      def skip?(state)
        if state['TypeName'].eql?('removed')
          log "skip Ticket::State.find_by(id: #{state[:id]}) due to state #{state['Name']} and state type #{state['TypeName']}"
          return true
        end

        false
      end

      def updated?(state)
        @local_state = ::Ticket::State.find_by(id: state[:id])
        return false if !@local_state

        log "update Ticket::State.find_by(id: #{state[:id]})"
        @local_state.update!(state)
        true
      end

      def create(state)
        log "add Ticket::State.find_by(id: #{state[:id]})"
        @local_state    = ::Ticket::State.new(state)
        @local_state.id = state[:id]
        @local_state.save
        reset_primary_key_sequence('ticket_states')
      end

      def map(state)
        mapped_state_type_id = state_type_id(state)

        {
          created_by_id:     1,
          updated_by_id:     1,
          active:            active?(state),
          state_type_id:     mapped_state_type_id,
          ignore_escalation: ignore_escalation?(mapped_state_type_id)
        }
          .merge(from_mapping(state))
      end

      def state_type_id(state)
        map_type(state)
        ::Ticket::StateType.lookup(name: state['TypeName']).id
      end

      def ignore_escalation?(state_type_id)
        ::Ticket::StateType.names_in_category(:work_on).exclude?(::Ticket::StateType.lookup(id: state_type_id).name)
      end

      def map_type(state)
        return if state['TypeName'] != 'pending auto'

        state['TypeName'] = 'pending action'
      end
    end
  end
end