module CamaleonCms
  module Admin
    class PostTagsController < CamaleonCms::AdminController
      add_breadcrumb I18n.t('camaleon_cms.admin.sidebar.contents')
      before_action :set_post_type
      before_action :set_post_tag, only: %w[show edit update destroy]

      def index
        @post_tags = @post_type.post_tags
        args = { post_type: @post_type }
        hooks_run('before_list_post_tags', args)
        @post_tags = @post_tags.paginate(page: params[:page], per_page: current_site.admin_per_page)
      end

      # render post tag view
      def show
        args = { post_tag: @post_tag, post_type: @post_type }
        hooks_run('before_show_post_tag', args)
      end

      # render post tag edit form
      def edit
        add_breadcrumb t('camaleon_cms.admin.button.edit')
      end

      # save changes of a post tag
      def update
        args = { post_tag: @post_tag, post_type: @post_type }
        hooks_run('before_update_post_tag', args)
        if @post_tag.update(params.require(:post_tag).permit!)
          @post_tag.set_options(params[:meta]) if params[:meta].present?
          @post_tag.set_field_values(params[:field_options])
          hooks_run('after_update_post_tag', args)
          flash[:notice] = t('camaleon_cms.admin.post_type.message.updated')
          redirect_to action: :index
        else
          render edit
        end
      end

      # render post tag create form
      def create
        @post_tag = @post_type.post_tags.new(params.require(:post_tag).permit!)
        args = { post_tag: @post_tag, post_type: @post_type }
        hooks_run('before_create_post_tag', args)
        if @post_tag.save
          @post_tag.set_options(params[:meta]) if params[:meta].present?
          @post_tag.set_field_values(params[:field_options])
          hooks_run('after_create_post_tag', args)
          flash[:notice] = t('camaleon_cms.admin.post_type.message.created')
          redirect_to action: :index
        else
          render 'edit'
        end
      end

      # destroy a post tag
      def destroy
        args = { post_tag: @post_tag, post_type: @post_type }
        hooks_run('before_destroy_post_tag', args)
        flash[:notice] = t('camaleon_cms.admin.post_type.message.deleted') if @post_tag.destroy
        redirect_to action: :index
      end

      # render a json of post tags of a post type
      def list
        @post_tags = @post_type.post_tags.pluck('name')
        render json: @post_tags
      end

      private

      def set_post_type
        @post_type = current_site.post_types.find_by_id(params[:post_type_id]).decorate
        authorize! :post_tags, @post_type
        add_breadcrumb @post_type.the_title, @post_type.the_admin_url
        add_breadcrumb t('camaleon_cms.admin.post_type.post_tags'), url_for({ action: :index })
      end

      def set_post_tag
        @post_tag = @post_type.post_tags.find_by_id(params[:id])
      rescue StandardError
        flash[:error] = t('camaleon_cms.admin.post_type.message.error')
        redirect_to cama_admin_path
      end
    end
  end
end