#include "common.hpp"
#include "MediaSoupErrors.hpp"
#include "RTC/SCTP/packet/Parameter.hpp"
#include "RTC/SCTP/packet/parameters/IncomingSsnResetRequestParameter.hpp"
#include "RTC/SCTP/sctpCommon.hpp"
#include <catch2/catch_test_macros.hpp>
#include <cstring> // std::memset()

SCENARIO("Incoming SSN Reset Request Parameter (14)", "[serializable][sctp][parameter]")
{
	sctpCommon::ResetBuffers();

	SECTION("IncomingSsnResetRequestParameter::Parse() succeeds")
	{
		// clang-format off
		alignas(4) uint8_t buffer[] =
		{
			// Type:14 (INCOMING_SSN_RESET_REQUEST), Length: 14
			0x00, 0x0E, 0x00, 0x0E,
			// Re-configuration Request Sequence Number: 0x11223344
			0x11, 0x22, 0x33, 0x44,
			// Stream 1: 0x5001, Stream 2: 0x5002
			0x50, 0x01, 0x50, 0x02,
			// Stream 3: 0x5003, 2 bytes of padding
			0x50, 0x03, 0x00, 0x00,
			// Extra bytes that should be ignored
			0xAA, 0xBB, 0xCC
		};
		// clang-format on

		auto* parameter = RTC::SCTP::IncomingSsnResetRequestParameter::Parse(buffer, sizeof(buffer));

		CHECK_SCTP_PARAMETER(
		  /*parameter*/ parameter,
		  /*buffer*/ buffer,
		  /*bufferLength*/ sizeof(buffer),
		  /*length*/ 16,
		  /*parameterType*/ RTC::SCTP::Parameter::ParameterType::INCOMING_SSN_RESET_REQUEST,
		  /*unknownType*/ false,
		  /*actionForUnknownParameterType*/ RTC::SCTP::Parameter::ActionForUnknownParameterType::STOP);

		REQUIRE(parameter->GetReconfigurationRequestSequenceNumber() == 0x11223344);
		REQUIRE(parameter->GetNumberOfStreams() == 3);
		REQUIRE(parameter->GetStreamAt(0) == 0x5001);
		REQUIRE(parameter->GetStreamAt(1) == 0x5002);
		REQUIRE(parameter->GetStreamAt(2) == 0x5003);

		/* Serialize it. */

		parameter->Serialize(sctpCommon::SerializeBuffer, sizeof(sctpCommon::SerializeBuffer));

		std::memset(buffer, 0x00, sizeof(buffer));

		CHECK_SCTP_PARAMETER(
		  /*parameter*/ parameter,
		  /*buffer*/ sctpCommon::SerializeBuffer,
		  /*bufferLength*/ sizeof(sctpCommon::SerializeBuffer),
		  /*length*/ 16,
		  /*parameterType*/ RTC::SCTP::Parameter::ParameterType::INCOMING_SSN_RESET_REQUEST,
		  /*unknownType*/ false,
		  /*actionForUnknownParameterType*/ RTC::SCTP::Parameter::ActionForUnknownParameterType::STOP);

		REQUIRE(parameter->GetReconfigurationRequestSequenceNumber() == 0x11223344);
		REQUIRE(parameter->GetNumberOfStreams() == 3);
		REQUIRE(parameter->GetStreamAt(0) == 0x5001);
		REQUIRE(parameter->GetStreamAt(1) == 0x5002);
		REQUIRE(parameter->GetStreamAt(2) == 0x5003);

		/* Clone it. */

		auto* clonedParameter =
		  parameter->Clone(sctpCommon::CloneBuffer, sizeof(sctpCommon::CloneBuffer));

		std::memset(sctpCommon::SerializeBuffer, 0x00, sizeof(sctpCommon::SerializeBuffer));

		delete parameter;

		CHECK_SCTP_PARAMETER(
		  /*parameter*/ clonedParameter,
		  /*buffer*/ sctpCommon::CloneBuffer,
		  /*bufferLength*/ sizeof(sctpCommon::CloneBuffer),
		  /*length*/ 16,
		  /*parameterType*/ RTC::SCTP::Parameter::ParameterType::INCOMING_SSN_RESET_REQUEST,
		  /*unknownType*/ false,
		  /*actionForUnknownParameterType*/ RTC::SCTP::Parameter::ActionForUnknownParameterType::STOP);

		REQUIRE(clonedParameter->GetReconfigurationRequestSequenceNumber() == 0x11223344);
		REQUIRE(clonedParameter->GetNumberOfStreams() == 3);
		REQUIRE(clonedParameter->GetStreamAt(0) == 0x5001);
		REQUIRE(clonedParameter->GetStreamAt(1) == 0x5002);
		REQUIRE(clonedParameter->GetStreamAt(2) == 0x5003);

		delete clonedParameter;
	}

	SECTION("IncomingSsnResetRequestParameter::Factory() succeeds")
	{
		auto* parameter = RTC::SCTP::IncomingSsnResetRequestParameter::Factory(
		  sctpCommon::FactoryBuffer, sizeof(sctpCommon::FactoryBuffer));

		CHECK_SCTP_PARAMETER(
		  /*parameter*/ parameter,
		  /*buffer*/ sctpCommon::FactoryBuffer,
		  /*bufferLength*/ sizeof(sctpCommon::FactoryBuffer),
		  /*length*/ 8,
		  /*parameterType*/ RTC::SCTP::Parameter::ParameterType::INCOMING_SSN_RESET_REQUEST,
		  /*unknownType*/ false,
		  /*actionForUnknownParameterType*/ RTC::SCTP::Parameter::ActionForUnknownParameterType::STOP);

		REQUIRE(parameter->GetReconfigurationRequestSequenceNumber() == 0);
		REQUIRE(parameter->GetNumberOfStreams() == 0);

		/* Modify it. */

		parameter->SetReconfigurationRequestSequenceNumber(111000);
		parameter->AddStream(4444);
		parameter->AddStream(4445);
		parameter->AddStream(4446);
		parameter->AddStream(4447);

		CHECK_SCTP_PARAMETER(
		  /*parameter*/ parameter,
		  /*buffer*/ sctpCommon::FactoryBuffer,
		  /*bufferLength*/ sizeof(sctpCommon::FactoryBuffer),
		  /*length*/ 16,
		  /*parameterType*/ RTC::SCTP::Parameter::ParameterType::INCOMING_SSN_RESET_REQUEST,
		  /*unknownType*/ false,
		  /*actionForUnknownParameterType*/ RTC::SCTP::Parameter::ActionForUnknownParameterType::STOP);

		REQUIRE(parameter->GetReconfigurationRequestSequenceNumber() == 111000);
		REQUIRE(parameter->GetNumberOfStreams() == 4);
		REQUIRE(parameter->GetStreamAt(0) == 4444);
		REQUIRE(parameter->GetStreamAt(1) == 4445);
		REQUIRE(parameter->GetStreamAt(2) == 4446);
		REQUIRE(parameter->GetStreamAt(3) == 4447);

		/* Parse itself and compare. */

		auto* parsedParameter = RTC::SCTP::IncomingSsnResetRequestParameter::Parse(
		  parameter->GetBuffer(), parameter->GetLength());

		delete parameter;

		CHECK_SCTP_PARAMETER(
		  /*parameter*/ parsedParameter,
		  /*buffer*/ sctpCommon::FactoryBuffer,
		  /*bufferLength*/ 16,
		  /*length*/ 16,
		  /*parameterType*/ RTC::SCTP::Parameter::ParameterType::INCOMING_SSN_RESET_REQUEST,
		  /*unknownType*/ false,
		  /*actionForUnknownParameterType*/ RTC::SCTP::Parameter::ActionForUnknownParameterType::STOP);

		REQUIRE(parsedParameter->GetReconfigurationRequestSequenceNumber() == 111000);
		REQUIRE(parsedParameter->GetNumberOfStreams() == 4);
		REQUIRE(parsedParameter->GetStreamAt(0) == 4444);
		REQUIRE(parsedParameter->GetStreamAt(1) == 4445);
		REQUIRE(parsedParameter->GetStreamAt(2) == 4446);
		REQUIRE(parsedParameter->GetStreamAt(3) == 4447);

		delete parsedParameter;
	}
}