#include <gtest/gtest.h>

#include <larra/stream.hpp>

namespace larra::xmpp {

constexpr std::string_view kSerializedData =
    R"(<stream:stream xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' xml:lang='en' version='1.0' id='abc' from='user@example.com' />
)";

constexpr std::string_view kCheckSerializeData =
    "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<stream:stream xmlns=\"jabber:client\" xmlns:stream=\"http://etherx.jabber.org/streams\" "
    "from=\"user@example.com\" to=\"example.com\" id=\"abc\" version=\"1.0\" xml:lang=\"en\"/>\n";

TEST(Stream, Serialize) {
  UserStream originalStream;
  originalStream.from = BareJid{.username = "user", .server = "example.com"};
  originalStream.to = "example.com";
  originalStream.id = "abc";
  originalStream.version = "1.0";
  originalStream.xmlLang = "en";
  xmlpp::Document doc;
  auto streamNode = doc.create_root_node(UserStream::kDefaultName, UserStream::kDefaultNamespace, UserStream::kDefaultPrefix);
  streamNode << originalStream;

  const std::string serializedData = doc.write_to_string();

  ASSERT_EQ(serializedData, kCheckSerializeData);
}

TEST(Stream, Deserialize) {
  xmlpp::DomParser parser;
  parser.parse_memory(static_cast<std::string>(kSerializedData));
  auto parsedDoc = parser.get_document();

  const UserStream deserializedStream = UserStream::Parse(parsedDoc->get_root_node());
  ASSERT_TRUE(deserializedStream.from.has_value());
  ASSERT_EQ(ToString(*deserializedStream.from), "user@example.com");

  ASSERT_FALSE(deserializedStream.to.has_value());

  ASSERT_TRUE(deserializedStream.id.has_value());
  ASSERT_EQ(deserializedStream.id.value(), "abc");

  ASSERT_TRUE(deserializedStream.version.has_value());
  ASSERT_EQ(deserializedStream.version.value(), "1.0");

  ASSERT_TRUE(deserializedStream.xmlLang.has_value());
  ASSERT_EQ(deserializedStream.xmlLang.value(), "en");
}

}  // namespace larra::xmpp