#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 =
    R"(<stream:stream from="user@example.com" to="anotheruser@example.com" id="abc" version="1.0" xml:lang="en" />
)";

TEST(Stream, Serialize) {
  UserToUserStream originalStream;
  originalStream.from = BareJid{"user", "example.com"};
  originalStream.to = BareJid{"anotheruser", "example.com"};
  originalStream.id = "abc";
  originalStream.version = "1.0";
  originalStream.xmlLang = "en";

  pugi::xml_document doc;
  pugi::xml_node streamNode = doc.append_child("stream:stream");
  streamNode << originalStream;

  std::ostringstream oss;
  doc.child("stream:stream").print(oss, "\t");
  const std::string serializedData = oss.str();

  ASSERT_EQ(serializedData, kCheckSerializeData);
}

TEST(Stream, Deserialize) {
  pugi::xml_document parsedDoc;
  parsedDoc.load_string(kSerializedData.data());

  const UserStream deserializedStream = UserStream::Parse(parsedDoc.child("stream:stream"));
  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