/**
 * @file	test_util.c
 *
 * @date Dec 8, 2013
 * @author Andrey Belomutskiy, (c) 2012-2013
 */

#include <string.h>

#include "test_util.h"
#include "cyclic_buffer.h"
#include "main.h"
#include "histogram.h"

#include "malfunction_central.h"
#include "cli_registry.h"

#include "nmea.h"
#include "efilib2.h"
#include "crc.h"
#include "fl_stack.h"

void testCrc(void) {
	assertEquals(4, efiRound(4.4, 1));
	assertEquals(1.2, efiRound(1.2345, 0.1));

	print("*************************************** testCrc\r\n");

	const char * A = "A";

	assertEqualsM("crc8", 168, calc_crc((const crc_t *)A, 1));
	int c = crc32(A, 1);
	printf("crc32(A)=%x\r\n", c);
	assertEqualsM("crc32", 0xd3d99e8b, crc32(A, 1));
}

static cyclic_buffer sb;

void testOverflow64Counter(void) {
	print("*************************************** testOverflow64Counter\r\n");

	Overflow64Counter o;
	assertEquals(0, o.get(0, true));
	assertEquals(10, o.get(10, true));

	assertEquals(20, o.get(20, true));

	// overflow
	assertEquals(4294967296, o.get(0, true));
}

void testCyclicBuffer(void) {
	print("*************************************** testCyclicBuffer\r\n");

	sb.add(10);

	assertEquals(10, sb.sum(3));

	sb.add(2);
	assertEquals(12, sb.sum(2));
}

void testHistogram(void) {
	print("******************************************* testHistogram\r\n");

	initHistogramsModule();

	assertEquals(80, histogramGetIndex(239));
	assertEquals(223, histogramGetIndex(239239));
	assertEquals(364, histogramGetIndex(239239239));

	histogram_s h;

	initHistogram(&h, "test");

	int result[5];
	assertEquals(0, hsReport(&h, result));

	hsAdd(&h, 10);
	assertEquals(1, hsReport(&h, result));
	assertEquals(10, result[0]);

	// let's add same value one more time
	hsAdd(&h, 10);
	assertEquals(2, hsReport(&h, result));
	assertEquals(10, result[0]);
	assertEquals(10, result[1]);

	hsAdd(&h, 10);
	hsAdd(&h, 10);
	hsAdd(&h, 10);

	hsAdd(&h, 1000);
	hsAdd(&h, 100);

	assertEquals(5, hsReport(&h, result));

	assertEquals(5, result[0]);
	assertEquals(10, result[1]);
	assertEquals(10, result[2]);
	assertEquals(100, result[3]);
	// values are not expected to be exactly the same, it's the shape what matters
	assertEquals(1011, result[4]);
}

static void testMalfunctionCentralRemoveNonExistent() {
	print("******************************************* testMalfunctionCentralRemoveNonExistent\r\n");
	initMalfunctionCentral();

	// this should not crash
	removeError(OBD_Engine_Coolant_Temperature_Circuit_Malfunction);
}

static void testMalfunctionCentralSameElementAgain() {
	initMalfunctionCentral();
	print("******************************************* testMalfunctionCentralSameElementAgain\r\n");
	error_codes_set_s localCopy;

	addError(OBD_Engine_Coolant_Temperature_Circuit_Malfunction);
	addError(OBD_Engine_Coolant_Temperature_Circuit_Malfunction);
	getErrorCodes(&localCopy);
	assertEquals(1, localCopy.count);
}

static void testMalfunctionCentralRemoveFirstElement() {
	initMalfunctionCentral();
	print("******************************************* testMalfunctionCentralRemoveFirstElement\r\n");
	error_codes_set_s localCopy;

	obd_code_e firstElement = OBD_Engine_Coolant_Temperature_Circuit_Malfunction;
	addError(firstElement);

	obd_code_e secondElement = OBD_Intake_Air_Temperature_Circuit_Malfunction;
	addError(secondElement);
	getErrorCodes(&localCopy);
	assertEquals(2, localCopy.count);

	// let's remove first element - code
	removeError(firstElement);

	getErrorCodes(&localCopy);
	assertEquals(1, localCopy.count);
	assertEquals(secondElement, localCopy.error_codes[0]);
}

void testMalfunctionCentral(void) {
	testMalfunctionCentralRemoveNonExistent();
	testMalfunctionCentralSameElementAgain();
	testMalfunctionCentralRemoveFirstElement();

	print("******************************************* testMalfunctionCentral\r\n");
	initMalfunctionCentral();

	error_codes_set_s localCopy;

	// on start-up error storage should be empty
	getErrorCodes(&localCopy);
	assertEquals(0, localCopy.count);

	obd_code_e code = OBD_Engine_Coolant_Temperature_Circuit_Malfunction;
	// let's add one error and validate
	addError(code);

	getErrorCodes(&localCopy);
	assertEqualsM("count #1", 1, localCopy.count);
	assertEquals(code, localCopy.error_codes[0]);

	// let's remove value which is not in the collection
	removeError((obd_code_e)22);
	// element not present - nothing to removed
	assertEquals(1, localCopy.count);
	assertEquals(code, localCopy.error_codes[0]);

	code = OBD_Intake_Air_Temperature_Circuit_Malfunction;
	addError(code);
	getErrorCodes(&localCopy);
	// todo:	assertEquals(2, localCopy.count);

	for (int code = 0; code < 100; code++) {
		addError((obd_code_e) code);
	}
	getErrorCodes(&localCopy);
	assertEquals(MAX_ERROR_CODES_COUNT, localCopy.count);

	// now we have full array and code below present
	removeError(code);
	getErrorCodes(&localCopy);
	assertEquals(MAX_ERROR_CODES_COUNT - 1, localCopy.count);
}

static int lastInteger = -1;
static int lastInteger2 = -1;

static void testEchoI(int param) {
	lastInteger = param;
}

static void testEchoII(int param, int param2) {
	lastInteger = param;
	lastInteger2 = param2;
}

static const char *lastFirst = NULL;
static const char *lastThird = NULL;

static void testEchoSSS(const char *first, const char *second, const char *third) {
	lastFirst = first;
	lastThird = third;
}

#define UNKNOWN_COMMAND "dfadasdasd"

static loc_t GPSdata;

static char nmeaMessage[1000];

void testGpsParser(void) {
	print("******************************************* testGpsParser\r\n");

	strcpy(nmeaMessage, "");
	gps_location(&GPSdata, nmeaMessage);

	// we need to pass a mutable string, not a constant because the parser would be modifying the string
	strcpy(nmeaMessage, "$GPRMC,173843,A,3349.896,N,11808.521,W,000.0,360.0,230108,013.4,E*69");
	gps_location(&GPSdata, nmeaMessage);
	assertEqualsM("1 valid", 4, GPSdata.quality);
	assertEqualsM("1 latitude", 3349.896, GPSdata.latitude);
	assertEqualsM("1 longitude", 11808.521, GPSdata.longitude);
	assertEqualsM("1 speed", 0, GPSdata.speed);
// 	assertEqualsM("1 altitude", 0, GPSdata.altitude);	// GPRMC not overwrite altitude
	assertEqualsM("1 course", 360, GPSdata.course);

	strcpy(nmeaMessage, "$GPGGA,111609.14,5001.27,N,3613.06,E,3,08,0.0,10.2,M,0.0,M,0.0,0000*70");
	gps_location(&GPSdata, nmeaMessage);
	assertEqualsM("2 valid", 3, GPSdata.quality);		// see field details
	assertEqualsM("2 latitude", 50.0212, GPSdata.latitude);
	assertEqualsM("2 longitude", 36.2177, GPSdata.longitude);
	assertEqualsM("2 speed", 0, GPSdata.speed);
	assertEqualsM("2 altitude", 10.2, GPSdata.altitude);
//	assertEqualsM("2 course", 0, GPSdata.course);  // GPGGA not overwrite course

	strcpy(nmeaMessage, "$GPRMC,111609.14,A,5001.27,N,3613.06,E,11.2,0.0,261206,0.0,E*50");
	gps_location(&GPSdata, nmeaMessage);
	assertEqualsM("3 valid", 4, GPSdata.quality);
	assertEqualsM("3 latitude", 5001.27, GPSdata.latitude);
	assertEqualsM("3 longitude", 3613.06, GPSdata.longitude);
	assertEqualsM("3 speed", 11.2, GPSdata.speed);
//	assertEqualsM("3 altitude", 0, GPSdata.altitude);  // GPRMC not overwrite altitude
	assertEqualsM("3 course", 0, GPSdata.course);
	assertEqualsM("3 GPS yy",2006, GPSdata.GPStm.tm_year+1900);
	assertEqualsM("3 GPS mm",12, GPSdata.GPStm.tm_mon);
	assertEqualsM("3 GPS yy",26, GPSdata.GPStm.tm_mday);	
	assertEqualsM("3 GPS hh",11, GPSdata.GPStm.tm_hour);
	assertEqualsM("3 GPS mm",16, GPSdata.GPStm.tm_min);
	assertEqualsM("3 GPS ss",9, GPSdata.GPStm.tm_sec);	

	// check again first one
	// we need to pass a mutable string, not a constant because the parser would be modifying the string
	strcpy(nmeaMessage, "$GPRMC,173843,A,3349.896,N,11808.521,W,000.0,360.0,230108,013.4,E*69");
	gps_location(&GPSdata, nmeaMessage);
	assertEqualsM("4 valid", 4, GPSdata.quality);
	assertEqualsM("4 latitude", 3349.896, GPSdata.latitude);
	assertEqualsM("4 longitude", 11808.521, GPSdata.longitude);
	assertEqualsM("4 speed", 0, GPSdata.speed);
	assertEqualsM("4 course", 360, GPSdata.course);	
}

// this buffer is needed because on Unix you would not be able to change static char constants
static char buffer[300];

void testConsoleLogic(void) {
	print("******************************************* testConsoleLogic\r\n");
	resetConsoleActions();

	helpCommand();

	char *ptr = validateSecureLine(UNKNOWN_COMMAND);
	assertEquals(0, strcmp(UNKNOWN_COMMAND, ptr));
	assertEquals(10, tokenLength(UNKNOWN_COMMAND));

	// handling invalid token should work
	strcpy(buffer, "sdasdafasd asd");
	handleConsoleLine(buffer);

	print("\r\naddConsoleActionI\r\n");
	addConsoleActionI("echoi", testEchoI);
	strcpy(buffer, "echoi 239");
	handleConsoleLine(buffer);
	assertEquals(239, lastInteger);

	print("\r\naddConsoleActionII\r\n");
	addConsoleActionII("echoii", testEchoII);
	strcpy(buffer, "echoii 22 239");
	handleConsoleLine(buffer);
	assertEquals(22, lastInteger);
	assertEquals(239, lastInteger2);

	print("\r\addConsoleActionSSS\r\n");
	addConsoleActionSSS("echosss", testEchoSSS);
	strcpy(buffer, "echosss 111 222 333");
	handleConsoleLine(buffer);
	assertEquals(111, atoi(lastFirst));
	assertEquals(333, atoi(lastThird));

	//addConsoleActionSSS("GPS", testGpsParser);
}

void testFLStack(void) {
	print("******************************************* testFLStack\r\n");

	FLStack<int, 4> stack;
	assertEquals(0, stack.size());


}