package virtualbox

import (
	"fmt"
	"log"
	"os/exec"
	"time"
)

// A driver is able to talk to VirtualBox and perform certain
// operations with it.
type Driver interface {
	// SuppressMessages should do what needs to be done in order to
	// suppress any annoying popups from VirtualBox.
	SuppressMessages() error

	// Verify checks to make sure that this driver should function
	// properly. If there is any indication the driver can't function,
	// this will return an error.
	Verify() error
}

type VBox42Driver struct {
	// This is the path to the "VBoxManage" application.
	VBoxManagePath string
}

func (d *VBox42Driver) SuppressMessages() error {
	extraData := map[string]string{
		"GUI/RegistrationData": "triesLeft=0",
		"GUI/SuppressMessages": "confirmInputCapture,remindAboutAutoCapture,remindAboutMouseIntegrationOff,remindAboutMouseIntegrationOn,remindAboutWrongColorDepth",
		"GUI/UpdateDate": fmt.Sprintf("1 d, %d-01-01, stable", time.Now().Year()+1),
		"GUI/UpdateCheckCount": "60",
	}

	for k, v := range extraData {
		if err := d.vboxmanage("setextradata", "global", k, v); err != nil {
			return err
		}
	}

	return nil
}

func (d *VBox42Driver) Verify() error {
	return nil
}

func (d *VBox42Driver) vboxmanage(args ...string) error {
	log.Printf("Executing VBoxManage: %#v", args)
	cmd := exec.Command(d.VBoxManagePath, args...)
	if err := cmd.Run(); err != nil {
		return err
	}

	return nil
}