require Rails.root.join("lib", "tasks", "task_helper")

namespace :after_party do
  desc 'Deployment task: restore_deleted_dossiers'
  task restore_deleted_dossiers: :environment do
    Class.new do
      def run
        rake_puts "Running deploy task 'restore_deleted_dossiers'"
        restore_candidats_libres_deleted_dossiers
        restore_neph_deleted_dossiers
        AfterParty::TaskRecord.create version: '20181009130216'
      end

      def restore_candidats_libres_deleted_dossiers
        mapping = Class.new(Tasks::DossierProcedureMigrator::ChampMapping) do
          def setup_mapping
            champ_opts = {
              16 => {
                source_overrides: { 'libelle' => 'Adresse postale du candidat' },
                destination_overrides: { 'libelle' => 'Adresse postale complète du candidat' }
              }
            }
            (0..23).each do |i|
              map_source_to_destination_champ(i, i, **(champ_opts[i] || {}))
            end
          end
        end

        private_mapping = Class.new(Tasks::DossierProcedureMigrator::ChampMapping) do
          def setup_mapping
            compute_destination_champ(
              TypeDeChamp.new(
                type_champ: 'datetime',
                order_place: 0,
                libelle: 'Date et heure de convocation',
                mandatory: false
              )
            ) do |d, target_tdc|
              target_tdc.champ.create(dossier: d)
            end
            compute_destination_champ(
              TypeDeChamp.new(
                type_champ: 'text',
                order_place: 1,
                libelle: 'Lieu de convocation',
                mandatory: false
              )
            ) do |d, target_tdc|
              target_tdc.champ.create(dossier: d)
            end
            compute_destination_champ(
              TypeDeChamp.new(
                type_champ: 'address',
                order_place: 2,
                libelle: 'Adresse centre examen',
                mandatory: false
              )
            ) do |d, target_tdc|
              target_tdc.champ.create(dossier: d)
            end
          end
        end

        pj_mapping = Class.new(Tasks::DossierProcedureMigrator::PieceJustificativeMapping) do
          def setup_mapping
            (0..3).each do |i|
              map_source_to_destination_pj(i, i + 2)
            end
            leave_destination_pj_blank(
              TypeDePieceJustificative.new(
                order_place: 0,
                libelle: "Télécharger la Charte de l'accompagnateur"
              )
            )
            leave_destination_pj_blank(
              TypeDePieceJustificative.new(
                order_place: 1,
                libelle: "Télécharger l'attestation d'assurance"
              )
            )
          end
        end

        restore_deleted_dossiers(4860, 8603, mapping, private_mapping, pj_mapping)
      end

      def restore_neph_deleted_dossiers
        mapping = Class.new(Tasks::DossierProcedureMigrator::ChampMapping) do
          def can_migrate?(dossier)
            !(dossier.termine? ||
              dossier.champs.joins(:type_de_champ).find_by(types_de_champ: { order_place: 3 }).value&.include?('"Demande de duplicata de dossier d\'inscription (suite perte)"'))
          end

          def setup_mapping
            champ_opts = {
              3 => {
                source_overrides: { 'drop_down' => ["", "Demande de réactualisation du numéro NEPH", "Demande de communication du numéro NEPH", "Demande de duplicata de dossier d'inscription (suite perte)", "Demande de correction sur le Fichier National des Permis de conduire"] },
                destination_overrides: { 'drop_down' => ["", "Demande de réactualisation du numéro NEPH", "Demande de communication du numéro NEPH", "Demande de correction sur le Fichier National des Permis de conduire"] }
              }
            }
            (0..14).each do |i|
              map_source_to_destination_champ(i, i, **(champ_opts[i] || {}))
            end
            (16..22).each do |i|
              map_source_to_destination_champ(i, i + 2, **(champ_opts[i] || {}))
            end

            discard_source_champ(
              TypeDeChamp.new(
                type_champ: 'address',
                order_place: 15,
                libelle: 'Adresse du candidat'
              )
            )

            compute_destination_champ(
              TypeDeChamp.new(
                type_champ: 'address',
                order_place: 15,
                libelle: 'Adresse du candidat',
                mandatory: true
              )
            ) do |d, target_tdc|
              value = d.champs.joins(:type_de_champ).find_by(types_de_champ: { order_place: 3 }).value
              if !d.brouillon?
                value ||= 'non renseigné'
              end
              target_tdc.champ.create(dossier: d, value: value)
            end

            compute_destination_champ(
              TypeDeChamp.new(
                type_champ: 'address',
                order_place: 16,
                libelle: 'Code postal',
                mandatory: true
              )
            ) do |d, target_tdc|
              target_tdc.champ.create(dossier: d, value: d.brouillon? ? nil : 'non renseigné')
            end

            compute_destination_champ(
              TypeDeChamp.new(
                type_champ: 'address',
                order_place: 17,
                libelle: 'Ville',
                mandatory: true
              )
            ) do |d, target_tdc|
              target_tdc.champ.create(dossier: d, value: d.brouillon? ? nil : 'non renseigné')
            end
          end
        end

        private_mapping = Class.new(Tasks::DossierProcedureMigrator::ChampMapping) do
          def setup_mapping
            (0..2).each do |i|
              map_source_to_destination_champ(i, i)
            end
          end
        end

        pj_mapping = Class.new(Tasks::DossierProcedureMigrator::PieceJustificativeMapping) do
          def setup_mapping
            (0..3).each do |i|
              map_source_to_destination_pj(i, i)
            end
          end
        end

        restore_deleted_dossiers(6388, 8770, mapping, private_mapping, pj_mapping)
      end

      def restore_deleted_dossiers(deleted_procedure_id, new_procedure_id, champ_mapping, champ_private_mapping, pj_mapping)
        source_procedure = Procedure.unscoped.find(deleted_procedure_id)
        destination_procedure = Procedure.find(new_procedure_id)

        deleted_dossiers = Dossier.unscoped
          .where(procedure_id: deleted_procedure_id)
          .where('dossiers.hidden_at >= ?', source_procedure.hidden_at)

        deleted_dossier_ids = deleted_dossiers.pluck(:id).to_a
        deleted_dossiers.update_all(hidden_at: nil)

        source_procedure
          .update_columns(
            hidden_at: nil,
            archived_at: source_procedure.hidden_at,
            aasm_state: :archivee
          )

        migrator = Tasks::DossierProcedureMigrator.new(source_procedure, destination_procedure, champ_mapping, champ_private_mapping, pj_mapping) do |dossier|
          DossierMailer.notify_undelete_to_user(dossier).deliver_later
        end
        migrator.check_consistency
        migrator.migrate_dossiers

        source_procedure.dossiers.where(id: deleted_dossier_ids).find_each do |dossier|
          if dossier.termine?
            DossierMailer.notify_undelete_to_user(dossier).deliver_later
          else
            rake_puts "Dossier #{dossier.id} non migré\n"
            DossierMailer.notify_unmigrated_to_user(dossier, destination_procedure).deliver_later
          end
        end
      end
    end.new.run
  end
end