#include <test/jtx/Env.h>
#include <test/jtx/envconfig.h>

#include <xrpl/protocol/jss.h>

namespace xrpl {

class LedgerHeader_test : public beast::unit_test::suite
{
    void
    testSimpleCurrent()
    {
        testcase("Current ledger");
        using namespace test::jtx;
        Env env{*this, envconfig(no_admin)};

        Json::Value params{Json::objectValue};
        params[jss::api_version] = 1;
        params[jss::ledger_index] = "current";
        auto const result = env.client().invoke("ledger_header", params)[jss::result];
        BEAST_EXPECT(result[jss::status] == "success");
        BEAST_EXPECT(result.isMember("ledger"));
        BEAST_EXPECT(result[jss::ledger][jss::closed] == false);
        BEAST_EXPECT(result[jss::validated] == false);
    }

    void
    testSimpleValidated()
    {
        testcase("Validated ledger");
        using namespace test::jtx;
        Env env{*this, envconfig(no_admin)};

        Json::Value params{Json::objectValue};
        params[jss::api_version] = 1;
        params[jss::ledger_index] = "validated";
        auto const result = env.client().invoke("ledger_header", params)[jss::result];
        BEAST_EXPECT(result[jss::status] == "success");
        BEAST_EXPECT(result.isMember("ledger"));
        BEAST_EXPECT(result[jss::ledger][jss::closed] == true);
        BEAST_EXPECT(result[jss::validated] == true);
    }

    void
    testCommandRetired()
    {
        testcase("Command retired from API v2");
        using namespace test::jtx;
        Env env{*this, envconfig(no_admin)};

        Json::Value params{Json::objectValue};
        params[jss::api_version] = 2;
        auto const result = env.client().invoke("ledger_header", params)[jss::result];
        BEAST_EXPECT(result[jss::error] == "unknownCmd");
        BEAST_EXPECT(result[jss::status] == "error");
    }

public:
    void
    run() override
    {
        testSimpleCurrent();
        testSimpleValidated();
        testCommandRetired();
    }
};

BEAST_DEFINE_TESTSUITE(LedgerHeader, rpc, xrpl);

}  // namespace xrpl
