# frozen_string_literal: true

module Administrateurs
  class ProceduresController < AdministrateurController
    layout 'all', only: [:all, :administrateurs]
    respond_to :html, :xlsx

    before_action :retrieve_procedure, only: [:champs, :annotations, :modifications, :edit, :zones, :monavis, :update_monavis, :accuse_lecture, :update_accuse_lecture, :jeton, :update_jeton, :publication, :publish, :transfert, :close, :confirmation, :allow_expert_review, :allow_expert_messaging, :experts_require_administrateur_invitation, :reset_draft, :publish_revision, :check_path, :api_champ_columns]
    before_action :draft_valid?, only: [:apercu]
    after_action :reset_procedure, only: [:update]

    ITEMS_PER_PAGE = 25

    def index
      @procedures_publiees = paginated_published_procedures
      @procedures_draft = paginated_draft_procedures
      @procedures_closed = paginated_closed_procedures
      @procedures_deleted = paginated_deleted_procedures
      @procedures_publiees_count = current_administrateur.procedures.publiees.count
      @procedures_draft_count = current_administrateur.procedures.brouillons.count
      @procedures_closed_count = current_administrateur.procedures.closes.count
      @procedures_deleted_count = current_administrateur.procedures.with_discarded.discarded.count
      @statut = params[:statut]
      @statut.blank? ? @statut = 'publiees' : @statut = params[:statut]
    end

    def apercu
      @dossier = procedure_without_control.draft_revision.dossier_for_preview(current_user)
      DossierPreloader.load_one(@dossier)
      @tab = apercu_tab
      if @tab == 'dossier'
        @dossier.validate(:champs_public_value)
      else
        @dossier.validate(:champs_private_value)
      end
    end

    def new
      @procedure ||= Procedure.new(for_individual: true)
    end

    SIGNIFICANT_DOSSIERS_THRESHOLD = 30

    def new_from_existing
      @grouped_procedures = nil
    end

    def search
      query = ActiveRecord::Base.sanitize_sql_like(params[:query])

      significant_procedure_ids = Procedure
        .publiees_ou_closes
        .where(hidden_at_as_template: nil)
        .where('unaccent(libelle) ILIKE unaccent(?)', "%#{query}%")
        .joins(:dossiers)
        .group("procedures.id")
        .having("count(dossiers.id) >= ?", SIGNIFICANT_DOSSIERS_THRESHOLD)
        .pluck('procedures.id')

      @grouped_procedures = Procedure
        .includes(:administrateurs, :service)
        .where(id: significant_procedure_ids)
        .group_by(&:organisation_name)
        .sort_by { |_, procedures| procedures.first.created_at }
    end

    def show
      @procedure = current_administrateur
        .procedures
        .includes(
          published_revision: {
            types_de_champ: [],
            revision_types_de_champ: { type_de_champ: { piece_justificative_template_attachment: :blob } }
          },
          draft_revision: {
            types_de_champ: [],
            revision_types_de_champ: { type_de_champ: { piece_justificative_template_attachment: :blob } }
          },
          attestation_template_v1: [],
          attestation_templates_v2: [],
          initiated_mail: [],
          received_mail: [],
          closed_mail: [],
          refused_mail: [],
          without_continuation_mail: [],
          re_instructed_mail: []
        )
        .find(params[:id])

      @procedure.validate(:publication)
    end

    def edit
    end

    def zones
    end

    def create
      new_procedure_params = { max_duree_conservation_dossiers_dans_ds: Expired::DEFAULT_DOSSIER_RENTENTION_IN_MONTH }
        .merge(procedure_params)
        .merge(administrateurs: [current_administrateur])

      @procedure = Procedure.new(new_procedure_params)
      @procedure.draft_revision = @procedure.revisions.build

      if !@procedure.save
        flash.now.alert = @procedure.errors.full_messages
        render 'new'
      else
        @procedure.create_generic_labels
        flash.notice = 'Démarche enregistrée.'
        current_administrateur.instructeur.assign_to_procedure(@procedure)

        redirect_to champs_admin_procedure_path(@procedure)
      end
    end

    def update
      @procedure = current_administrateur.procedures.find(params[:id])

      if !@procedure.update(procedure_params)
        flash.now.alert = @procedure.errors.full_messages
        if @procedure.errors[:zones].present?
          render 'zones'
        else
          render 'edit'
        end
      elsif @procedure.brouillon?
        flash.notice = 'Démarche modifiée. Tous les dossiers de cette démarche ont été supprimés.'
        redirect_to admin_procedure_path(id: @procedure.id)
      else
        flash.notice = 'Démarche modifiée.'
        redirect_to admin_procedure_path(id: @procedure.id)
      end
    end

    def clone
      procedure = Procedure.find(params[:procedure_id])
      new_procedure = procedure.clone(current_administrateur, cloned_from_library?)

      if new_procedure.valid?
        flash.notice = 'Démarche clonée. Pensez à vérifier la présentation et choisir le service à laquelle cette démarche est associée.'
        redirect_to admin_procedure_path(id: new_procedure.id)
      else
        if cloned_from_library?
          flash.alert = new_procedure.errors.full_messages
          redirect_to new_from_existing_admin_procedures_path
        else
          flash.alert = new_procedure.errors.full_messages
          redirect_to admin_procedures_path
        end
      end

    rescue ActiveRecord::RecordNotFound
      flash.alert = 'Démarche inexistante'
      redirect_to admin_procedures_path
    end

    def archive
      procedure = current_administrateur.procedures.find(params[:procedure_id])

      if procedure.update(closing_params)
        procedure.close!
        if (procedure.dossiers.not_archived.state_brouillon.present? || procedure.dossiers.not_archived.state_en_construction_ou_instruction.present?)
          redirect_to admin_procedure_closing_notification_path
        else
          flash.notice = "Démarche close"
          redirect_to admin_procedure_path(id: procedure.id)
        end
      else
        flash.alert = procedure.errors.full_messages
        redirect_to admin_procedure_close_path
      end

    rescue ActiveRecord::RecordNotFound
      flash.alert = 'Démarche inexistante'
      redirect_to admin_procedures_path
    end

    def closing_notification
      @procedure = current_administrateur.procedures.find(params[:procedure_id])
      @users_brouillon_count = @procedure.dossiers.not_archived.state_brouillon.count('distinct user_id')
      @users_en_cours_count = @procedure.dossiers.not_archived.state_en_construction_ou_instruction.count('distinct user_id')
    end

    def notify_after_closing
      @procedure = current_administrateur.procedures.find(params[:procedure_id])
      @procedure.update!(notification_closing_params)

      if (@procedure.closing_notification_brouillon? && params[:email_content_brouillon].blank?) || (@procedure.closing_notification_en_cours? && params[:email_content_en_cours].blank?)
        flash.alert = "Veuillez renseigner le contenu de l’email afin d’informer les usagers"
        redirect_to admin_procedure_closing_notification_path and return
      end

      if @procedure.closing_notification_brouillon?
        user_ids = @procedure.dossiers.not_archived.state_brouillon.pluck(:user_id).uniq
        content = params[:email_content_brouillon]
        SendClosingNotificationJob.perform_later(user_ids, content, @procedure)
        flash.notice = "Les emails sont en cours d'envoi"
      end

      if @procedure.closing_notification_en_cours?
        user_ids = @procedure.dossiers.not_archived.state_en_construction_ou_instruction.pluck(:user_id).uniq
        content = params[:email_content_en_cours]
        SendClosingNotificationJob.perform_later(user_ids, content, @procedure)
        flash.notice = "Les emails sont en cours d’envoi"
      end

      redirect_to admin_procedures_path
    end

    def destroy
      procedure = current_administrateur.procedures.find(params[:id])

      if procedure.can_be_deleted_by_administrateur?
        procedure.discard_and_keep_track!(current_administrateur)

        flash.notice = 'Démarche supprimée'
        redirect_to admin_procedures_draft_path
      else
        render json: {}, status: 403
      end
    end

    def restore
      procedure = current_administrateur.procedures.with_discarded.discarded.find(params[:id])
      procedure.restore(current_administrateur)
      flash.notice = t('administrateurs.index.restored', procedure_id: procedure.id)
      redirect_to admin_procedures_path
    end

    def monavis
    end

    def update_monavis
      if !@procedure.update(procedure_params)
        flash.now.alert = @procedure.errors.full_messages
        render 'monavis'
      else
        flash.notice = 'le champ MonAvis a bien été mis à jour'
        redirect_to admin_procedure_path(id: @procedure.id)
      end
    end

    def accuse_lecture
    end

    def update_accuse_lecture
      @procedure.update!(procedure_params)
    end

    def jeton
    end

    def modifications
      ProcedureRevisionPreloader.new(@procedure.revisions).all
    end

    def update_jeton
      token = params[:procedure][:api_entreprise_token]
      @procedure.api_entreprise_token = token

      if @procedure.valid? &&
          APIEntreprise::PrivilegesAdapter.new(token).valid? &&
          @procedure.save

        flash.notice = 'Le jeton a bien été mis à jour'
        redirect_to admin_procedure_path(id: @procedure.id)
      else

        flash.now.alert = "Mise à jour impossible : le jeton n’est pas valide"
        render 'jeton'
      end
    end

    def publication
      @procedure = current_administrateur
        .procedures
        .includes(
          published_revision: :types_de_champ,
          draft_revision: :types_de_champ
        ).find(params[:procedure_id])

      if @procedure.auto_archive_on && !@procedure.auto_archive_on.future?
        flash.alert = "La date limite de dépôt des dossiers doit être postérieure à la date du jour pour réactiver la procédure. #{view_context.link_to('Veuillez la modifier', edit_admin_procedure_path(@procedure))}"
        redirect_to admin_procedure_path(@procedure)
      else
        @procedure.path = @procedure.suggested_path
        @current_administrateur = current_administrateur
        @closed_procedures = current_administrateur.procedures.with_discarded.closes.map { |p| ["#{p.libelle} (#{p.id})", p.id] }.to_h
      end
    end

    def check_path
      @path_available = @procedure.path_available?(params[:path])
      @other_procedure = @procedure.other_procedure_with_path(params[:path])
      respond_to do |format|
        format.turbo_stream do
          render :check_path
        end
      end
    end

    def publish
      @procedure.assign_attributes(publish_params)

      @procedure.publish_or_reopen!(current_administrateur)

      if params[:old_procedure].present? && @procedure.errors.empty?
        current_administrateur
          .procedures
          .with_discarded
          .closes
          .find(params[:old_procedure])
          .update!(replaced_by_procedure: @procedure)
      end

      # TO DO after data backfill add this condition before reset :
      # if @procedure.closing_reason.present?
      @procedure.reset_closing_params

      redirect_to admin_procedure_confirmation_path(@procedure)
    rescue ActiveRecord::RecordInvalid
      flash.alert = @procedure.errors.full_messages
      redirect_to admin_procedure_publication_path(@procedure)
    end

    def reset_draft
      @procedure.reset_draft_revision!
      flash.notice = 'Les modifications ont été annulées'
      redirect_to admin_procedure_path(@procedure)
    end

    def publish_revision
      @procedure.publish_revision!
      flash.notice = "Nouvelle version de la démarche publiée"

      redirect_to admin_procedure_path(@procedure)
    rescue ActiveRecord::RecordInvalid
      redirect_to admin_procedure_publication_path(@procedure)
    end

    def transfert
    end

    def close
      @published_procedures = current_administrateur.procedures.publiees.to_h { |p| ["#{p.libelle} (#{p.id})", p.id] }
      @closing_reason_options = Procedure.closing_reasons.values.map { |reason| [I18n.t("activerecord.attributes.procedure.closing_reasons.#{reason}", app_name: Current.application_name), reason] }
    end

    def confirmation
    end

    def allow_expert_review
      @procedure.update!(allow_expert_review: !@procedure.allow_expert_review)
      flash.notice = @procedure.allow_expert_review? ? "Avis externes activés" : "Avis externes désactivés"
      redirect_to admin_procedure_experts_path(@procedure)
    end

    def allow_expert_messaging
      @procedure.update!(allow_expert_messaging: !@procedure.allow_expert_messaging)
      flash.notice = @procedure.allow_expert_messaging ? "Les experts ont accès à la messagerie" : "Les experts n'ont plus accès à la messagerie"
      redirect_to admin_procedure_experts_path(@procedure)
    end

    def transfer
      admin = Administrateur.by_email(params[:email_admin].downcase)
      if admin.nil?
        redirect_to admin_procedure_transfert_path(params[:procedure_id])
        flash.alert = "Envoi vers #{params[:email_admin]} impossible : cet administrateur n’existe pas"
      else
        procedure = current_administrateur.procedures.find(params[:procedure_id])
        procedure.clone(admin, false)
        redirect_to admin_procedure_path(params[:procedure_id])
        flash.notice = "La démarche a correctement été clonée vers le nouvel administrateur."
      end
    end

    def experts_require_administrateur_invitation
      @procedure.update!(experts_require_administrateur_invitation: !@procedure.experts_require_administrateur_invitation)
      flash.notice = @procedure.experts_require_administrateur_invitation? ? "Les experts sont gérés par les administrateurs de la démarche" : "Les experts sont gérés par les instructeurs"
      redirect_to admin_procedure_experts_path(@procedure)
    end

    def champs
      ProcedureRevisionPreloader.load_one(@procedure.draft_revision)
    end

    def annotations
      ProcedureRevisionPreloader.load_one(@procedure.draft_revision)
    end

    def detail
      @procedure = Procedure.find(params[:id])
      @show_detail = params[:show_detail]
      respond_to do |format|
        format.turbo_stream
      end
    end

    def all
      @filter = ProceduresFilter.new(current_administrateur, params)
      all_procedures = filter_procedures(@filter).map { |p| ProcedureDetail.new(p) }
      respond_to do |format|
        format.html do
          all_procedures = Kaminari.paginate_array(all_procedures.to_a, offset: 0, limit: ITEMS_PER_PAGE, total_count: all_procedures.count)
          @procedures = all_procedures.page(params[:page]).per(25)
        end
        format.xlsx do
          render xlsx: ProcedureDetail.to_xlsx(instances: all_procedures),
            filename: "demarches-#{@filter}"
        end
      end
    end

    def administrateurs
      @filter = ProceduresFilter.new(current_administrateur, params)
      pids = AdministrateursProcedure.select(:administrateur_id).where(procedure: filter_procedures(@filter).map { |p| p["id"] })
      @admins = Administrateur.includes(:user, :procedures).where(id: pids, procedures: { hidden_at_as_template: nil })
      @admins = @admins.where('unaccent(users.email) ILIKE unaccent(?)', "%#{@filter.email}%") if @filter.email.present?
      @admins = paginate(@admins, 'users.email')
    end

    def api_champ_columns
      _, @type_de_champ = @procedure.draft_revision.coordinate_and_tdc(params[:stable_id])
      @columns = [
        "Raison sociale",
        "Adresse du siège social",
        "Code NAF",
        "Libellé NAF",
        "Date de création",
        "Numéro TVA intracommunautaire",
        "Attestation sociale",
        "Attestation fiscale",
        "Raison sociale",
        "Adresse du siège social",
        "Code NAF",
        "Libellé NAF",
        "Date de création",
        "Numéro TVA intracommunautaire",
        "Attestation sociale",
        "Attestation fiscale"
      ].map do |label|
        Column.new(procedure_id: @procedure.id, table: :etablissement, column: nil, label:)
      end.sort_by(&:label)
    end

    private

    def paginated_published_procedures
      paginate_procedures(current_administrateur
        .procedures
        .publiees
        .order(published_at: :desc))
    end

    def paginated_draft_procedures
      paginate_procedures(current_administrateur
        .procedures
        .brouillons
        .order(created_at: :desc))
    end

    def paginated_closed_procedures
      paginate_procedures(current_administrateur
        .procedures
        .closes
        .order(created_at: :desc))
    end

    def paginated_deleted_procedures
      paginate_procedures(current_administrateur
        .procedures
        .with_discarded
        .discarded
        .order(created_at: :desc))
    end

    def paginate_procedures(procedures)
      procedures
        .with_attached_logo
        .left_joins(groupe_instructeurs: :instructeurs)
        .select('procedures.*,
                          COUNT(DISTINCT groupe_instructeurs.id) AS groupe_instructeurs_count,
                          COUNT(DISTINCT instructeurs.id) AS instructeurs_count')
        .group('procedures.id')
        .page(params[:page])
        .per(ITEMS_PER_PAGE)
    end

    def filter_procedures(filter)
      if filter.service_siret.present?
        service = Service.find_by(siret: filter.service_siret)
        return Procedure.none if service.nil?
      end

      services = Service.where(departement: filter.service_departement) if filter.service_departement.present?

      procedures_result = Procedure.select(:id).left_joins(:procedures_zones).distinct.publiees_ou_closes
      procedures_result = procedures_result.where(procedures_zones: { zone_id: filter.zone_ids }) if filter.zone_ids.present?
      procedures_result = procedures_result.where(hidden_at_as_template: nil)
      procedures_result = procedures_result.where(aasm_state: filter.statuses) if filter.statuses.present?
      if filter.tags.present?
        tag_ids = ProcedureTag.where(name: filter.tags).pluck(:id).flatten

        if tag_ids.any?
          procedures_result = procedures_result
            .joins(:procedure_tags)
            .where(procedure_tags: { id: tag_ids })
            .distinct
        end
      end
      procedures_result = procedures_result.where(template: true) if filter.template?
      procedures_result = procedures_result.where(published_at: filter.from_publication_date..) if filter.from_publication_date.present?
      procedures_result = procedures_result.where(service: service) if filter.service_siret.present?
      procedures_result = procedures_result.where(service: services) if services
      procedures_result = procedures_result.where(for_individual: filter.for_individual) if filter.for_individual.present?
      procedures_result = procedures_result.where('unaccent(libelle) ILIKE unaccent(?)', "%#{filter.libelle}%") if filter.libelle.present?
      procedures_sql = procedures_result.to_sql

      sql = "select procedures.id, libelle, published_at, aasm_state, estimated_dossiers_count, template, array_agg(distinct latest_labels.name) filter (where latest_labels.name is not null) as latest_zone_labels from administrateurs_procedures inner join procedures on procedures.id = administrateurs_procedures.procedure_id left join procedures_zones ON procedures.id = procedures_zones.procedure_id left join zones ON zones.id = procedures_zones.zone_id left join (select zone_id, name from zone_labels where (zone_id, designated_on) in (select zone_id, max(designated_on) from zone_labels group by zone_id)) as latest_labels on zones.id = latest_labels.zone_id
      where procedures.id in (#{procedures_sql}) group by procedures.id order by published_at desc"
      ActiveRecord::Base.connection.execute(sql)
    end

    def paginate(result, ordered_by)
      result.page(params[:page]).per(ITEMS_PER_PAGE).order(ordered_by)
    end

    def draft_valid?
      if procedure_without_control.draft_revision.invalid?
        flash.alert = t('preview_unavailable', scope: 'administrateurs.procedures')
        redirect_back(fallback_location: champs_admin_procedure_path(procedure_without_control))
      end
    end

    def apercu_tab
      params[:tab] || 'dossier'
    end

    def procedure_without_control
      Procedure.find(params[:id])
    end

    def procedure_params
      editable_params = [
        :libelle,
        :description,
        :description_target_audience,
        :description_pj,
        :organisation,
        :direction,
        :lien_site_web,
        :cadre_juridique,
        :deliberation,
        :notice,
        :web_hook_url,
        :declarative_with_state,
        :logo,
        :auto_archive_on,
        :monavis_embed,
        :accuse_lecture,
        :api_entreprise_token,
        :duree_conservation_dossiers_dans_ds,
        :lien_dpo,
        :opendata,
        :procedure_expires_when_termine_enabled,
        { zone_ids: [], procedure_tag_names: [] }
      ]

      editable_params << :piece_justificative_multiple if @procedure && !@procedure.piece_justificative_multiple?

      permited_params = if @procedure&.locked?
        params.require(:procedure).permit(*editable_params)
      else
        params.require(:procedure).permit(*editable_params, :for_individual, :path)
      end
      if permited_params[:auto_archive_on].present?
        permited_params[:auto_archive_on] = Date.parse(permited_params[:auto_archive_on]) + 1.day
      end

      if permited_params[:procedure_tag_names].present?
        tag_ids = ProcedureTag.where(name: permited_params[:procedure_tag_names]).pluck(:id)
        permited_params[:procedure_tag_ids] = tag_ids
        permited_params.delete(:procedure_tag_names)
      end
      permited_params
    end

    def publish_params
      params.permit(:path, :lien_site_web)
    end

    def closing_params
      closing_params = params.require(:procedure).permit(:closing_details, :closing_reason, :replaced_by_procedure_id)

      replaced_by_procedure_id = closing_params[:replaced_by_procedure_id]
      if replaced_by_procedure_id.present?
        if current_administrateur.procedures.find_by(id: replaced_by_procedure_id).blank?
          closing_params.delete(:replaced_by_procedure_id)
        end
      end
      closing_params
    end

    def notification_closing_params
      params.require(:procedure).permit(:closing_notification_brouillon, :closing_notification_en_cours)
    end

    def allow_decision_access_params
      params.require(:experts_procedure).permit(:allow_decision_access)
    end

    def cloned_from_library?
      params[:from_new_from_existing].present?
    end
  end
end