//go:build freebsd || linux || darwin

package pinentry

import (
	"errors"
	"runtime"

	"github.com/twpayne/go-pinentry"
)

func getBinaryClientOption() (clientOption pinentry.ClientOption) {
	binaryClientOption := pinentry.WithBinaryNameFromGnuPGAgentConf()
	if runtime.GOOS == "darwin" {
		binaryClientOption = pinentry.WithBinaryName("pinentry-mac")
	}
	return binaryClientOption
}

func getPassword(title string, description string) (string, error) {
	binaryClientOption := getBinaryClientOption()

	client, err := pinentry.NewClient(
		binaryClientOption,
		pinentry.WithGPGTTY(),
		pinentry.WithTitle(title),
		pinentry.WithDesc(description),
		pinentry.WithPrompt(title),
	)
	log.Info("Asking for pin |%s|%s|", title, description)

	if err != nil {
		return "", err
	}
	defer client.Close()

	switch pin, fromCache, err := client.GetPIN(); {
	case pinentry.IsCancelled(err):
		log.Info("Cancelled")
		return "", errors.New("Cancelled")
	case err != nil:
		return "", err
	case fromCache:
		log.Info("Got pin from cache")
		return pin, nil
	default:
		log.Info("Got pin from user")
		return pin, nil
	}
}

func getApproval(title string, description string) (bool, error) {
	if systemAuthDisabled {
		return true, nil
	}

	binaryClientOption := getBinaryClientOption()

	client, err := pinentry.NewClient(
		binaryClientOption,
		pinentry.WithGPGTTY(),
		pinentry.WithTitle(title),
		pinentry.WithDesc(description),
		pinentry.WithPrompt(title),
	)
	log.Info("Asking for approval |%s|%s|", title, description)

	if err != nil {
		return false, err
	}
	defer client.Close()

	switch _, err := client.Confirm("Confirm"); {
	case pinentry.IsCancelled(err):
		log.Info("Cancelled")
		return false, errors.New("Cancelled")
	case err != nil:
		return false, err
	default:
		log.Info("Got approval from user")
		return true, nil
	}
}