// test_handler.h - Hardware Test Handler for CAN FD Logger

#ifndef TEST_HANDLER_H
#define TEST_HANDLER_H

#include <Arduino.h>
#include "types.h"

#define TEST_MAX_FRAMES        10000
#define TEST_DEFAULT_INTERVAL  1

enum TestMode {
  TEST_MODE_IDLE = 0,
  TEST_MODE_LOOPBACK,
  TEST_MODE_STRESS,
  TEST_MODE_SEQUENCE
};

struct TestConfig {
  TestMode mode;
  uint32_t frameCount;
  uint32_t intervalUs;
  uint32_t canId;
  uint8_t dataLen;
  bool useFD;
  bool running;
};

struct TestResult {
  uint32_t framesSent;
  uint32_t framesReceived;
  uint32_t framesLost;
  uint32_t errors;
  uint32_t startTime;
  uint32_t endTime;
  uint32_t durationMs;
  float frameRate;
  float lossRate;
  bool passed;
};

extern TestConfig testConfig;
extern TestResult testResult;

void initTestHandler();

bool startLoopbackTest(uint32_t frameCount, uint32_t intervalUs);
bool startStressTest(uint32_t frameCount, uint8_t dataLen, bool useFD);
bool startSequenceTest(uint32_t frameCount, uint32_t canId);

void stopTest();
void updateTest();

bool isTestRunning();
TestMode getTestMode();
TestResult getTestResult();

void getTestResultJSON(char* buffer, size_t bufferSize);

void testTxTask(void *pvParameters);

uint32_t generateTestFrame(uint32_t sequence, CanFrame& frame);
bool validateTestFrame(const CanFrame& frame, uint32_t& expectedSeq);

#endif // TEST_HANDLER_H