# frozen_string_literal: true
module Hyrax
  class Admin::AdminSetsController < ApplicationController
    include Hyrax::CollectionsControllerBehavior

    before_action :authenticate_user!
    load_and_authorize_resource

    # Catch permission errors
    rescue_from Hydra::AccessDenied, CanCan::AccessDenied, with: :deny_adminset_access

    with_themed_layout 'dashboard'
    self.presenter_class = Hyrax::AdminSetPresenter
    self.form_class = Hyrax::Forms::AdminSetForm

    # Used for the show action
    self.single_item_search_builder_class = Hyrax::SingleAdminSetSearchBuilder

    # The search builder to find the admin set's members
    self.membership_service_class = Hyrax::AdminSetMemberService

    # Used to create the admin set
    class_attribute :admin_set_create_service
    self.admin_set_create_service = AdminSetCreateService

    def deny_adminset_access(exception)
      if current_user&.persisted?
        redirect_to root_url, alert: exception.message
      else
        session['user_return_to'] = request.url
        redirect_to main_app.new_user_session_url, alert: exception.message
      end
    end

    def show
      add_breadcrumb I18n.t('hyrax.controls.home'), hyrax.root_path
      add_breadcrumb t(:'hyrax.dashboard.title'), hyrax.dashboard_path
      add_breadcrumb t(:'hyrax.dashboard.my.collections'), hyrax.my_collections_path
      add_breadcrumb @admin_set.title.first
      super
    end

    def index
      # admin sets are listed with collections
      redirect_to hyrax.my_collections_url
    end

    def new
      setup_form
    end

    def edit
      setup_form
    end

    # Renders a JSON response with a list of files in this admin set.
    # This is used by the edit form to populate the thumbnail_id dropdown
    def files
      result = form.select_files.map { |label, id| { id: id, text: label } }
      render json: result
    end

    def update
      if @admin_set.update(admin_set_params)
        redirect_to update_referer, notice: I18n.t('updated_admin_set', scope: 'hyrax.admin.admin_sets.form.permission_update_notices', name: @admin_set.title.first)
      else
        setup_form
        render :edit
      end
    end

    def create
      if create_admin_set
        redirect_to hyrax.edit_admin_admin_set_path(@admin_set), notice: I18n.t('new_admin_set', scope: 'hyrax.admin.admin_sets.form.permission_update_notices', name: @admin_set.title.first)
      else
        setup_form
        render :new
      end
    end

    def destroy
      if @admin_set.destroy
        after_delete_success
      else
        redirect_to hyrax.admin_admin_set_path(@admin_set), alert: @admin_set.errors.full_messages.to_sentence
      end
    end

    # for the AdminSetService
    def repository
      repository_class.new(blacklight_config)
    end

    # Override the default prefixes so that we use the collection partals.
    def self.local_prefixes
      ["hyrax/admin/admin_sets", "hyrax/collections", 'catalog']
    end

    private

    def update_referer
      hyrax.edit_admin_admin_set_path(@admin_set) + (params[:referer_anchor] || '')
    end

    def create_admin_set
      admin_set_create_service.call(admin_set: @admin_set, creating_user: current_user)
    end

    def setup_form
      add_breadcrumb t(:'hyrax.controls.home'), root_path
      add_breadcrumb t(:'hyrax.dashboard.breadcrumbs.admin'), hyrax.dashboard_path
      add_breadcrumb t(:'hyrax.dashboard.my.collections'), hyrax.my_collections_path
      add_breadcrumb action_breadcrumb, request.path
      form
    end

    # initialize the form object
    def form
      @form ||= form_class.new(@admin_set, current_ability, repository)
    end

    def action_breadcrumb
      case action_name
      when 'edit', 'update'
        t(:'helpers.action.edit')
      else
        t(:'helpers.action.admin_set.new')
      end
    end

    def admin_set_params
      form_class.model_attributes(params[:admin_set])
    end

    def repository_class
      blacklight_config.repository_class
    end

    def after_delete_success
      if request.referer.include? "my/collections"
        redirect_to hyrax.my_collections_path, notice: t(:'hyrax.admin.admin_sets.delete.notification')
      elsif request.referer.include? "collections"
        redirect_to hyrax.dashboard_collections_path, notice: t(:'hyrax.admin.admin_sets.delete.notification')
      else
        redirect_to hyrax.my_collections_path, notice: t(:'hyrax.admin.admin_sets.delete.notification')
      end
    end
  end
end