# frozen_string_literal: true

module Groups
  module Settings
    class CiCdController < Groups::ApplicationController
      skip_cross_project_access_check :show
      before_action :authorize_admin_group!
      before_action :authorize_update_max_artifacts_size!, only: [:update]
      before_action do
        push_frontend_feature_flag(:new_variables_ui, @group, default_enabled: true)
        push_frontend_feature_flag(:ajax_new_deploy_token, @group)
      end
      before_action :define_variables, only: [:show, :create_deploy_token]

      def show
      end

      def update
        if update_group_service.execute
          flash[:notice] = s_('GroupSettings|Pipeline settings was updated for the group')
        else
          flash[:alert] = s_("GroupSettings|There was a problem updating the pipeline settings: %{error_messages}." % { error_messages: group.errors.full_messages })
        end

        redirect_to group_settings_ci_cd_path
      end

      def reset_registration_token
        @group.reset_runners_token!

        flash[:notice] = _('GroupSettings|New runners registration token has been generated!')
        redirect_to group_settings_ci_cd_path
      end

      def update_auto_devops
        if auto_devops_service.execute
          flash[:notice] = s_('GroupSettings|Auto DevOps pipeline was updated for the group')
        else
          flash[:alert] = s_("GroupSettings|There was a problem updating Auto DevOps pipeline: %{error_messages}." % { error_messages: group.errors.full_messages })
        end

        redirect_to group_settings_ci_cd_path
      end

      def create_deploy_token
        result = Groups::DeployTokens::CreateService.new(@group, current_user, deploy_token_params).execute
        @new_deploy_token = result[:deploy_token]

        if result[:status] == :success
          respond_to do |format|
            format.json do
              # IMPORTANT: It's a security risk to expose the token value more than just once here!
              json = API::Entities::DeployTokenWithToken.represent(@new_deploy_token).as_json
              render json: json, status: result[:http_status]
            end
            format.html do
              flash.now[:notice] = s_('DeployTokens|Your new group deploy token has been created.')
              render :show
            end
          end
        else
          respond_to do |format|
            format.json { render json: { message: result[:message] }, status: result[:http_status] }
            format.html do
              flash.now[:alert] = result[:message]
              render :show
            end
          end
        end
      end

      private

      def define_variables
        define_ci_variables
        define_deploy_token_variables
      end

      def define_ci_variables
        @variable = Ci::GroupVariable.new(group: group)
          .present(current_user: current_user)
        @variables = group.variables.order_key_asc
          .map { |variable| variable.present(current_user: current_user) }
      end

      def define_deploy_token_variables
        @deploy_tokens = @group.deploy_tokens.active

        @new_deploy_token = DeployToken.new
      end

      def authorize_admin_group!
        return render_404 unless can?(current_user, :admin_group, group)
      end

      def authorize_update_max_artifacts_size!
        return render_404 unless can?(current_user, :update_max_artifacts_size, group)
      end

      def auto_devops_params
        params.require(:group).permit(:auto_devops_enabled)
      end

      def auto_devops_service
        Groups::AutoDevopsService.new(group, current_user, auto_devops_params)
      end

      def update_group_service
        Groups::UpdateService.new(group, current_user, update_group_params)
      end

      def update_group_params
        params.require(:group).permit(:max_artifacts_size)
      end

      def deploy_token_params
        params.require(:deploy_token).permit(:name, :expires_at, :read_repository, :read_registry, :write_registry, :username)
      end
    end
  end
end