package hyperone

import (
	"context"
	"fmt"

	"github.com/hashicorp/packer/helper/multistep"
	"github.com/hashicorp/packer/packer"
)

type stepMountExtra struct{}

func (s *stepMountExtra) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
	config := state.Get("config").(*Config)
	mountPath := state.Get("mount_path").(string)
	ui := state.Get("ui").(packer.Ui)

	ui.Say("Mounting additional paths within the chroot...")
	for _, mountInfo := range config.ChrootMounts {
		innerPath := mountPath + mountInfo[2]

		flags := "-t " + mountInfo[0]
		if mountInfo[0] == "bind" {
			flags = "--bind"
		}

		ui.Message(fmt.Sprintf("Mounting: %s", mountInfo[2]))

		commands := []string{
			fmt.Sprintf("mkdir -m 755 -p %s", innerPath),
			fmt.Sprintf("mount %s %s %s", flags, mountInfo[1], innerPath),
		}

		err := runCommands(commands, config.ctx, state)
		if err != nil {
			state.Put("error", err)
			ui.Error(err.Error())
			return multistep.ActionHalt
		}
	}

	return multistep.ActionContinue
}

func (s *stepMountExtra) Cleanup(state multistep.StateBag) {}