package main

import (
	"bytes"
	"crypto/rand"
	"encoding/base64"
	"fmt"
	"os"
	"slices"

	"golang.org/x/term"
	"roseh.moe/pkg/roseh.moe/internal/pwhash"
)

func hashpw() error {
	fmt.Fprint(os.Stderr, "Enter password: ")
	password, err := term.ReadPassword(int(os.Stdin.Fd()))
	fmt.Fprintln(os.Stderr)
	if err != nil {
		return err
	}
	fmt.Fprint(os.Stderr, "Confirm password: ")
	pwConfirm, err := term.ReadPassword(int(os.Stdin.Fd()))
	fmt.Fprintln(os.Stderr)
	if err != nil {
		return err
	}
	if !bytes.Equal(password, pwConfirm) {
		return fmt.Errorf("passwords do not match")
	}
	salt := make([]byte, pwhash.SaltSize)
	rand.Read(salt)
	hash, err := pwhash.Hash(string(password), salt)
	if err != nil {
		return err
	}
	fmt.Printf("NotepadPassword:%q\n", base64.StdEncoding.EncodeToString(slices.Concat(hash, salt)))
	return nil
}

func main() {
	if err := hashpw(); err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(1)
	}
}