#include <test/jtx.h>

#include <xrpl/beast/unit_test.h>
#include <xrpl/protocol/jss.h>

namespace xrpl {

namespace test {

class ServerDefinitions_test : public beast::unit_test::suite
{
public:
    void
    testServerDefinitions()
    {
        testcase("server_definitions");

        using namespace test::jtx;

        {
            Env env(*this);
            auto const result = env.rpc("server_definitions");
            BEAST_EXPECT(!result[jss::result].isMember(jss::error));
            BEAST_EXPECT(result[jss::result][jss::status] == "success");
            BEAST_EXPECT(result[jss::result].isMember(jss::FIELDS));
            BEAST_EXPECT(result[jss::result].isMember(jss::LEDGER_ENTRY_TYPES));
            BEAST_EXPECT(
                result[jss::result].isMember(jss::TRANSACTION_RESULTS));
            BEAST_EXPECT(result[jss::result].isMember(jss::TRANSACTION_TYPES));
            BEAST_EXPECT(result[jss::result].isMember(jss::TYPES));
            BEAST_EXPECT(result[jss::result].isMember(jss::hash));

            // test a random element of each result
            // (testing the whole output would be difficult to maintain)

            {
                auto const firstField = result[jss::result][jss::FIELDS][0u];
                BEAST_EXPECT(firstField[0u].asString() == "Generic");
                BEAST_EXPECT(
                    firstField[1][jss::isSerialized].asBool() == false);
                BEAST_EXPECT(
                    firstField[1][jss::isSigningField].asBool() == false);
                BEAST_EXPECT(firstField[1][jss::isVLEncoded].asBool() == false);
                BEAST_EXPECT(firstField[1][jss::nth].asUInt() == 0);
                BEAST_EXPECT(firstField[1][jss::type].asString() == "Unknown");
            }

            BEAST_EXPECT(
                result[jss::result][jss::LEDGER_ENTRY_TYPES]["AccountRoot"]
                    .asUInt() == 97);
            BEAST_EXPECT(
                result[jss::result][jss::TRANSACTION_RESULTS]["tecDIR_FULL"]
                    .asUInt() == 121);
            BEAST_EXPECT(
                result[jss::result][jss::TRANSACTION_TYPES]["Payment"]
                    .asUInt() == 0);
            BEAST_EXPECT(
                result[jss::result][jss::TYPES]["AccountID"].asUInt() == 8);

            // check exception SFields
            {
                auto const fieldExists = [&](std::string name) {
                    for (auto& field : result[jss::result][jss::FIELDS])
                    {
                        if (field[0u].asString() == name)
                        {
                            return true;
                        }
                    }
                    return false;
                };
                BEAST_EXPECT(fieldExists("Generic"));
                BEAST_EXPECT(fieldExists("Invalid"));
                BEAST_EXPECT(fieldExists("ObjectEndMarker"));
                BEAST_EXPECT(fieldExists("ArrayEndMarker"));
                BEAST_EXPECT(fieldExists("taker_gets_funded"));
                BEAST_EXPECT(fieldExists("taker_pays_funded"));
                BEAST_EXPECT(fieldExists("hash"));
                BEAST_EXPECT(fieldExists("index"));
            }

            // test that base_uint types are replaced with "Hash" prefix
            {
                auto const types = result[jss::result][jss::TYPES];
                BEAST_EXPECT(types["Hash128"].asUInt() == 4);
                BEAST_EXPECT(types["Hash160"].asUInt() == 17);
                BEAST_EXPECT(types["Hash192"].asUInt() == 21);
                BEAST_EXPECT(types["Hash256"].asUInt() == 5);
                BEAST_EXPECT(types["Hash384"].asUInt() == 22);
                BEAST_EXPECT(types["Hash512"].asUInt() == 23);
            }
        }

        // test providing the same hash
        {
            Env env(*this);
            auto const firstResult = env.rpc("server_definitions");
            auto const hash = firstResult[jss::result][jss::hash].asString();
            auto const hashParam =
                std::string("{ ") + "\"hash\": \"" + hash + "\"}";

            auto const result =
                env.rpc("json", "server_definitions", hashParam);
            BEAST_EXPECT(!result[jss::result].isMember(jss::error));
            BEAST_EXPECT(result[jss::result][jss::status] == "success");
            BEAST_EXPECT(!result[jss::result].isMember(jss::FIELDS));
            BEAST_EXPECT(
                !result[jss::result].isMember(jss::LEDGER_ENTRY_TYPES));
            BEAST_EXPECT(
                !result[jss::result].isMember(jss::TRANSACTION_RESULTS));
            BEAST_EXPECT(!result[jss::result].isMember(jss::TRANSACTION_TYPES));
            BEAST_EXPECT(!result[jss::result].isMember(jss::TYPES));
            BEAST_EXPECT(result[jss::result].isMember(jss::hash));
        }

        // test providing a different hash
        {
            Env env(*this);
            std::string const hash =
                "54296160385A27154BFA70A239DD8E8FD4CC2DB7BA32D970BA3A5B132CF749"
                "D1";
            auto const hashParam =
                std::string("{ ") + "\"hash\": \"" + hash + "\"}";

            auto const result =
                env.rpc("json", "server_definitions", hashParam);
            BEAST_EXPECT(!result[jss::result].isMember(jss::error));
            BEAST_EXPECT(result[jss::result][jss::status] == "success");
            BEAST_EXPECT(result[jss::result].isMember(jss::FIELDS));
            BEAST_EXPECT(result[jss::result].isMember(jss::LEDGER_ENTRY_TYPES));
            BEAST_EXPECT(
                result[jss::result].isMember(jss::TRANSACTION_RESULTS));
            BEAST_EXPECT(result[jss::result].isMember(jss::TRANSACTION_TYPES));
            BEAST_EXPECT(result[jss::result].isMember(jss::TYPES));
            BEAST_EXPECT(result[jss::result].isMember(jss::hash));
        }
    }

    void
    run() override
    {
        testServerDefinitions();
    }
};

BEAST_DEFINE_TESTSUITE(ServerDefinitions, rpc, xrpl);

}  // namespace test
}  // namespace xrpl