module Usman
  class PermissionsController < ResourceController

    before_action :require_site_admin
    
    def create
      @permission = @r_object = Permission.where(" user_id = ? AND feature_id = ? ", permitted_params[:user_id], permitted_params[:feature_id]).first || Permission.new
      @permission.assign_attributes(permitted_params)
      save_resource
      get_collections
    end

    def update
      @permission = @r_object = Permission.find_by_id(params[:id])
      # The form will not submit can_create 0 if it is not selected
      # hence making it false by default and letting it update by itself.
      @permission.assign_attributes({"can_create": "0", "can_read": "0", "can_update": "0", "can_delete": "0"})
      @permission.assign_attributes(permitted_params)
      save_resource
      get_collections
    end

    private

    def get_collections
      @relation = Permission.where("")

      parse_filters

      # @user = User.normal_users.first if @user.blank? && @feature.blank?
      apply_filters
      
      @permissions = @r_objects = @relation.includes(:user, :feature).page(@current_page).per(@per_page)

      return true
    end

    def apply_filters
      @relation = @relation.search(@query) if @query
      @relation = @relation.where("user_id = ?", @user.id) if @user
      @relation = @relation.where("feature_id = ?", @feature.id) if @feature
      @order_by = "created_at DESC" unless @order_by
      @relation = @relation.order(@order_by)
    end

    def configure_filter_settings
      @filter_settings = {
        string_filters: [{ filter_name: :query }],
        boolean_filters: [],
        reference_filters: [
          { filter_name: :user, filter_class: User },
          { filter_name: :feature, filter_class: Feature },
        ],
        variable_filters: [],
      }
    end

    def configure_filter_ui_settings
      @filter_ui_settings = {
        user: {
          object_filter: true,
          select_label: 'Select User',
          current_value: @user,
          values: User.normal_users.order(:name).all,
          current_filters: @filters,
          url_method_name: 'permissions_url',
          filters_to_remove: [:user],
          filters_to_add: { feature: @feature.try(:id) },
          show_null_filter_on_top: false,
          show_all_filter_on_top: true
        },
        feature: {
          object_filter: true,
          select_label: 'Select Feature',
          current_value: @feature,
          values: Feature.order(:name).all,
          current_filters: @filters,
          url_method_name: 'permissions_url',
          filters_to_remove: [:feature],
          filters_to_add: { user: @user.try(:id) },
          show_null_filter_on_top: false,
          show_all_filter_on_top: true
        }
      }
    end

    def resource_controller_configuration
      {
        page_title: "Permissions",
        js_view_path: "/kuppayam/workflows/parrot",
        view_path: "/usman/permissions",
        show_modal_after_create: false,
        show_modal_after_update: false
      }
    end

    def breadcrumbs_configuration
      {
        heading: "Manage Permissions",
        icon: "fa-lock",
        description: "Listing all Permissions",
        links: [{name: "Home", link: breadcrumb_home_path, icon: 'fa-home'}, 
                  {name: "Manage Permissions", link: permissions_path, icon: 'fa-calendar', active: true}]
      }
    end

    def permitted_params
      params.require(:permission).permit(:user_id, :feature_id, :can_create, :can_read, :can_update, :can_delete)
    end

    def set_navs
      set_nav("usman/permissions")
    end

  end
end