package iso

import (
	"github.com/hashicorp/packer/packer"
	"github.com/jetbrains-infra/packer-builder-vsphere/driver"
	"github.com/hashicorp/packer/helper/multistep"
	"fmt"
	"context"
)

type CDRomConfig struct {
	CdromType string `mapstructure:"cdrom_type"`
	ISOPaths []string `mapstructure:"iso_paths"`
}

type StepAddCDRom struct {
	Config *CDRomConfig
}

func (c *CDRomConfig) Prepare() []error {
	var errs []error

	if (c.CdromType != "" && c.CdromType != "ide" && c.CdromType != "sata") {
		errs = append(errs, fmt.Errorf("'cdrom_type' must be 'ide' or 'sata'"))
	}

	return errs
}

func (s *StepAddCDRom) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
	ui := state.Get("ui").(packer.Ui)
	vm := state.Get("vm").(*driver.VirtualMachine)

	if s.Config.CdromType == "sata" {
		ui.Say("Adding SATA controller...")
		if err := vm.AddSATAController(); err != nil {
			state.Put("error", fmt.Errorf("error adding SATA controller: %v", err))
			return multistep.ActionHalt
		}
	}

	ui.Say("Mount ISO images...")
	for _, path := range s.Config.ISOPaths {
		if err := vm.AddCdrom(s.Config.CdromType, path); err != nil {
			state.Put("error", fmt.Errorf("error mounting an image: %v", err))
			return multistep.ActionHalt
		}
	}

	return multistep.ActionContinue
}

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