import com.google.protobuf.ByteString

object Test {
  def main(args: Array[String]): Unit = {
    import me.lyh.protobuf.generic.proto.Schemas.Optional
    import me.lyh.protobuf.{generic => pg}

    val jsonSchema = pg.Schema.of[Optional].toJson
    val bytes = Optional.newBuilder()
      .setStringField("hello world")
      .setBytesField(ByteString.copyFromUtf8("bytes"))
      .setInt32Field(1)
      .setDoubleField(1.0)
      .setBoolField(true)
      .build()
      .toByteArray

    // generic reader
    val schema = pg.Schema.fromJson(jsonSchema)
    val reader = pg.GenericReader.of(schema)
    val record = reader.read(bytes)
    println(schema.toJson)
    println(record.get("string_field").asInstanceOf[String])
  }
}