* See the License for the specific language governing permissions and
 * limitations under the License.
 */

package samples

import java.util.Base64

actual object Base64Factory {
    actual fun createEncoder(): Base64Encoder = JvmBase64Encoder
}

object JvmBase64Encoder : Base64Encoder {
    override fun encode(src: ByteArray): ByteArray {
        return Base64.getEncoder().encode(src)
    }

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package samples

import kotlinx.browser.window

actual object Base64Factory {
    actual fun createEncoder(): Base64Encoder = JsBase64Encoder
}

object JsBase64Encoder : Base64Encoder {
    override fun encode(src: ByteArray): ByteArray {
        val string = src.decodeToString()

        val encoded = encode(src)
        return buildString(encoded.size) {
            encoded.forEach { append(it.toInt().toChar()) }
        }
    }
}

expect object Base64Factory {
    fun createEncoder(): Base64Encoder

        checkEncodeToString("4444", "NDQ0NA==")
    }

    private fun checkEncodeToString(input: String, expectedOutput: String) {
        assertEquals(expectedOutput, Base64Factory.createEncoder().encodeToString(input.asciiToByteArray()))
    }

    private fun String.asciiToByteArray() = ByteArray(length) {
        get(it).code.toByte()
    }