# frozen_string_literal: true

module Admin
  module Ci
    class VariablesController < ApplicationController
      feature_category :pipeline_composition

      def show
        respond_to do |format|
          format.json { render_instance_variables }
        end
      end

      def update
        service = ::Ci::UpdateInstanceVariablesService.new(variables_params, current_user)

        if service.execute
          respond_to do |format|
            format.json { render_instance_variables }
          end
        else
          respond_to do |format|
            format.json { render_error(service.errors) }
          end
        end
      end

      private

      def variables
        @variables ||= ::Ci::InstanceVariable.all
      end

      def render_instance_variables
        render status: :ok, json: { variables: ::Ci::InstanceVariableSerializer.new.represent(variables) }
      end

      def render_error(errors)
        render status: :bad_request, json: errors
      end

      def variables_params
        params.permit(variables_attributes: Array(variable_params_attributes))
      end

      def variable_params_attributes
        %i[id variable_type key description value protected masked hidden raw _destroy]
      end
    end
  end
end
