package cryptography

import (
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestBcryptHashAndVerify(t *testing.T) {
	input := "super-secret-password"
	hash, err := BcryptHash(input)
	require.NoError(t, err)
	require.NotEmpty(t, hash)
	assert.NotEqual(t, input, hash)
	assert.True(t, BcryptVerify(input, hash))
}

func TestBcryptVerifyWrongPassword(t *testing.T) {
	hash, err := BcryptHash("correct-password")
	require.NoError(t, err)
	assert.False(t, BcryptVerify("wrong-password", hash))
}

func TestBcryptHashUniqueness(t *testing.T) {
	h1, _ := BcryptHash("same")
	h2, _ := BcryptHash("same")
	// bcrypt uses a random salt – hashes must differ
	assert.NotEqual(t, h1, h2)
}

func TestBcryptHashEmptyInput(t *testing.T) {
	hash, err := BcryptHash("")
	require.NoError(t, err)
	assert.True(t, BcryptVerify("", hash))
}