/*------------------------------------------------------------------------------
* Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team
* 
* Distributable under the terms of either the Apache License (Version 2.0) or 
* the GNU Lesser General Public License, as specified in the COPYING file.
------------------------------------------------------------------------------*/
#include "test.h"
#include "CuTest.h"
#include <assert.h>

static int verbose = 0;
static int messyPrinting = 0;

void CuInit(int argc, char *argv[])
{
	int i;
	
	for (i = 0; i < argc; i++) {
		if (!strcmp(argv[i], "-v")) {
			verbose = 1;
		}
		if (!strcmp(argv[i], "-p")) {
			messyPrinting = 1;
		}
	}
}

/*-------------------------------------------------------------------------*
 * CuTcs
 *-------------------------------------------------------------------------*/
TCHAR* CuStrAlloc(int size)
{
	TCHAR* n = (TCHAR*) malloc( sizeof(TCHAR) * (size) );
	return n;
}

TCHAR* CuTcsCopy(TCHAR* old)
{
	int len = _tcslen(old);
	TCHAR* n = CuStrAlloc(len + 1);
	_tcscpy(n, old);
	return n;
}
TCHAR* CuTcsCat(TCHAR* orig, TCHAR* add)
{
	int len = _tcslen(orig) + _tcslen(add);
	TCHAR* n = CuStrAlloc(len + 1);
	_tcscpy(n, orig);
	_tcscat(n, add);
	return n;
}

/*-------------------------------------------------------------------------*
 * CuString
 *-------------------------------------------------------------------------*/

TCHAR* CuTcsAlloc(int size)
{
	TCHAR* n = (TCHAR*) malloc( sizeof(TCHAR) * (size) );
	return n;
}

TCHAR* CuTcsCopy(const TCHAR* old)
{
	int len = _tcslen(old);
	TCHAR* n = CuTcsAlloc(len + 1);
	_tcscpy(n, old);
	return n;
}

/*-------------------------------------------------------------------------*
 * CuString
 *-------------------------------------------------------------------------*/

void CuStringInit(CuString* str)
{
	str->length = 0;
	str->size = STRING_MAX;
	str->buffer = (TCHAR*) malloc(sizeof(TCHAR) * str->size);
	str->buffer[0] = '\0';
}

CuString* CuStringNew(void)
{
	CuString* str = (CuString*) malloc(sizeof(CuString));
	str->length = 0;
	str->size = STRING_MAX;
	str->buffer = (TCHAR*) malloc(sizeof(TCHAR) * str->size);
	str->buffer[0] = '\0';
	return str;
}

void CuStringFree(CuString* str){
	free(str->buffer);
	free(str);
}

void CuStringResize(CuString* str, int newSize)
{
	str->buffer = (TCHAR*) realloc(str->buffer, sizeof(TCHAR) * newSize);
	str->size = newSize;
}

void CuStringAppend(CuString* str, const TCHAR* text)
{
	int length = _tcslen(text);
	if (str->length + length + 1 >= str->size)
		CuStringResize(str, str->length + length + 1 + STRING_INC);
	str->length += length;
	_tcscat(str->buffer, text);
}

void CuStringAppendChar(CuString* str, TCHAR ch)
{
	TCHAR text[2];
	text[0] = ch;
	text[1] = '\0';
	CuStringAppend(str, text);
}

void CuStringAppendFormat(CuString* str, const TCHAR* format, ...)
{
	TCHAR buf[HUGE_STRING_LEN];
	va_list argp;
	va_start(argp, format);
	_vsntprintf(buf, HUGE_STRING_LEN,format, argp);
	va_end(argp);
	CuStringAppend(str, buf);
}

void CuStringRead(CuString *str, TCHAR *path)
{
	path = NULL;
	CU_TDUP(path,str->buffer);
}

/*-------------------------------------------------------------------------*
 * CuTest
 *-------------------------------------------------------------------------*/

void CuTestInit(CuTest* t, TCHAR* name, TestFunction function)
{
	t->name = CuTcsCopy(name);
	t->notimpl = 0;
	t->failed = 0;
	t->ran = 0;
	t->message = NULL;
	t->function = function;
//	t->jumpBuf = NULL;
}

CuTest* CuTestNew(TCHAR* name, TestFunction function)
{
	CuTest* tc = CU_ALLOC(CuTest);
	CuTestInit(tc, name, function);
	return tc;
}

void CuTestDelete(CuTest* tst){
	free(tst->name);
	if ( tst->message != NULL )
		free(tst->message);
	free(tst);
}

void CuNotImpl(CuTest* tc, const TCHAR* message)
{
	CuString* newstr = CuStringNew();
    CuStringAppend(newstr, message);
    CuStringAppend(newstr, _T(" not implemented on this platform"));
	tc->notimpl = 1;
	CuMessage(tc,newstr->buffer);
	CuStringFree(newstr);
//	if (tc->jumpBuf != 0) longjmp(*(tc->jumpBuf), 0);
}

void CuFail(CuTest* tc, const TCHAR* format, ...)
{
	tc->failed = 1;

	TCHAR buf[HUGE_STRING_LEN];
	va_list argp;
	va_start(argp, format);
	_vsntprintf(buf, HUGE_STRING_LEN, format, argp);
	va_end(argp);

//	CuMessage(tc,buf);
	_CLTHROWT(CL_ERR_Runtime, buf);
}

void CuMessageV(CuTest* tc, const TCHAR* format, va_list& argp){
	TCHAR buf[HUGE_STRING_LEN];
	_vsntprintf(buf, HUGE_STRING_LEN, format, argp);

	TCHAR* old = tc->message;
	if ( messyPrinting ){
      _tprintf(_T("%s"),buf);	   
	}else{
   	if ( old == NULL ){
   		tc->message = CuTcsCopy(buf);
   	}else{
   		tc->message = CuTcsCat(old,buf);
   		free(old);
   	}
   }
}
void CuMessage(CuTest* tc, const TCHAR* format, ...){
	va_list argp;
	va_start(argp, format);
	CuMessageV(tc,format,argp);
	va_end(argp);
}
void CuMessageA(CuTest* tc, const char* format, ...){
	va_list argp;
	char buf[HUGE_STRING_LEN];
	TCHAR tbuf[HUGE_STRING_LEN];
	va_start(argp, format);
	vsprintf(buf, format, argp);
	va_end(argp);

	TCHAR* old = tc->message;
	STRCPY_AtoT(tbuf,buf,HUGE_STRING_LEN);
	if ( messyPrinting ){
      _tprintf(_T("%s"),buf);	   
	}else{
   	if ( old == NULL ){
   		tc->message = CuTcsCopy(tbuf);
   	}else{
   		tc->message = CuTcsCat(old,tbuf);
   		free(old);
   	}
   }
}

void CuAssert(CuTest* tc, const TCHAR* message, int condition)
{
	if (condition) return;
	CuFail(tc, message);
}

void CuAssertTrue(CuTest* tc, int condition)
{
	if (condition) return;
	CuFail(tc, _T("assert failed"));
}

void CuAssertStrEquals(CuTest* tc, const TCHAR* preMessage, const TCHAR* expected, const TCHAR* actual)
{
	CuString* message;
	if (_tcscmp(expected, actual) == 0) return;
	message = CuStringNew();
	CuStringAppend(message, preMessage);
	CuStringAppend(message, _T(" : ") );
	CuStringAppend(message, _T("expected\n---->\n"));
	CuStringAppend(message, expected);
	CuStringAppend(message, _T("\n<----\nbut saw\n---->\n"));
	CuStringAppend(message, actual);
	CuStringAppend(message, _T("\n<----"));
	CuFail(tc, message->buffer);
	CuStringFree(message);
}

void CuAssertIntEquals(CuTest* tc, const TCHAR* preMessage, int expected, int actual)
{
	TCHAR buf[STRING_MAX];
	if (expected == actual) return;
	_sntprintf(buf, STRING_MAX, _T("%s : expected <%d> but was <%d>"), preMessage, expected, actual);
	CuFail(tc, buf);
}

void CuAssertPtrEquals(CuTest* tc, const TCHAR* preMessage, const void* expected, const void* actual)
{
	TCHAR buf[STRING_MAX];
	if (expected == actual) return;
	_sntprintf(buf, STRING_MAX,_T("%s : expected pointer <%p> but was <%p>"), preMessage, expected, actual);
	CuFail(tc, buf);
}

void CuAssertPtrNotNull(CuTest* tc, const TCHAR* preMessage, const void* pointer)
{
	TCHAR buf[STRING_MAX];
	if (pointer != NULL ) return;
	_sntprintf(buf,STRING_MAX, _T("%s : null pointer unexpected, but was <%p>"), preMessage, pointer);
	CuFail(tc, buf);
}

void CuTestRun(CuTest* tc)
{
//	jmp_buf buf;
//	tc->jumpBuf = &buf;
//	if (setjmp(buf) == 0)
//	{
	tc->ran = 1;
	(tc->function)(tc);
//	}
//	tc->jumpBuf = 0;
}

/*-------------------------------------------------------------------------*
 * CuSuite
 *-------------------------------------------------------------------------*/

void CuSuiteInit(CuSuite* testSuite, TCHAR *name)
{
	testSuite->name = NULL;
	CU_TDUP(testSuite->name,name);
	testSuite->count = 0;
	testSuite->failCount = 0;
	testSuite->notimplCount = 0;
	testSuite->timeTaken = 0;
}

CuSuite* CuSuiteNew(TCHAR *name)
{
	CuSuite* testSuite = CU_ALLOC(CuSuite);
	CuSuiteInit(testSuite, name);
	return testSuite;
}

void CuSuiteDelete(CuSuite* suite){
	free(suite->name);
	for ( int i=0;i<suite->count;i++ ){
		CuTestDelete(suite->list[i]);
	}
	free(suite);
}

void CuSuiteAdd(CuSuite* testSuite, CuTest *testCase)
{
	assert(testSuite->count < MAX_TEST_CASES);
	testSuite->list[testSuite->count] = testCase;
	testSuite->count++;
}

void CuSuiteAddSuite(CuSuite* testSuite, CuSuite* testSuite2)
{
	int i;
	for (i = 0 ; i < testSuite2->count ; ++i)
	{
		CuTest* testCase = testSuite2->list[i];
		CuSuiteAdd(testSuite, testCase);
	}
}

void CuSuiteRun(CuSuite* testSuite)
{
	int i;
	uint64_t start = Misc::currentTimeMillis();
	for (i = 0 ; i < testSuite->count ; ++i)
	{
		CuTest* testCase = testSuite->list[i];
		try{
			CuTestRun(testCase);
		}catch(CLuceneError& err){
			testCase->failed=1;
			CuMessage(testCase,err.twhat());
		}
		testSuite->timeTaken = Misc::currentTimeMillis() - start;
		if (testCase->failed) { testSuite->failCount += 1; }
		if (testCase->notimpl) { testSuite->notimplCount += 1; }
	}
}

void CuSuiteSummary(CuSuite* testSuite, CuString* summary, bool times)
{
	int i;
	for (i = 0 ; i < testSuite->count ; ++i)
	{
		CuTest* testCase = testSuite->list[i];
		CuStringAppend(summary, testCase->failed ? _T("F") : 
                               testCase->notimpl ? _T("N"): _T("."));
	}
	if ( times ){
		int bufferLen = 25-summary->length-10;
		for (int i=0;i<bufferLen;i++ )
			CuStringAppend(summary,_T(" "));
		CuStringAppendFormat(summary,_T(" - %dms"),testSuite->timeTaken);
	}
	CuStringAppend(summary, _T("\n"));
}

void CuSuiteOverView(CuSuite* testSuite, CuString* details)
{
	CuStringAppendFormat(details, _T("%d %s run:  %d passed, %d failed, ")
			     _T("%d not implemented.\n"),
			     testSuite->count, 
			     testSuite->count == 1 ? "test" : "tests",
   			     testSuite->count - testSuite->failCount - 
				testSuite->notimplCount,
			     testSuite->failCount, testSuite->notimplCount);
}

void CuSuiteDetails(CuSuite* testSuite, CuString* details)
{
	int i;
	int failCount = 0;

	if (testSuite->failCount != 0 && verbose)
	{
		CuStringAppendFormat(details, _T("\nFailed tests in %s:\n"), testSuite->name);
		for (i = 0 ; i < testSuite->count ; ++i)
		{
			CuTest* testCase = testSuite->list[i];
			if (testCase->failed)
			{
				failCount++;
				CuStringAppendFormat(details, _T("%d) %s: %s\n"), 
					failCount, testCase->name, testCase->message);
			}
		}
	}
	if (testSuite->notimplCount != 0 && verbose)
	{
		CuStringAppendFormat(details, _T("\nNot Implemented tests in %s:\n"), testSuite->name);
		for (i = 0 ; i < testSuite->count ; ++i)
		{
			CuTest* testCase = testSuite->list[i];
			if (testCase->notimpl)
			{
			        failCount++;
			        CuStringAppendFormat(details, _T("%d) %s: %s\n"),
			                failCount, testCase->name, testCase->message);
			}
		}
	}
}

/*-------------------------------------------------------------------------*
 * CuSuiteList
 *-------------------------------------------------------------------------*/

CuSuiteList* CuSuiteListNew(TCHAR *name)
{
	CuSuiteList* testSuite = CU_ALLOC(CuSuiteList);
	testSuite->name = NULL;
	CU_TDUP(testSuite->name,name);
	testSuite->count = 0;
	return testSuite;
}
void CuSuiteListDelete(CuSuiteList* lst){
	free(lst->name);
	for ( int i=0;i<lst->count;i++ ){
		CuSuiteDelete(lst->list[i]);
	}
	free(lst);
}

void CuSuiteListAdd(CuSuiteList *suites, CuSuite *origsuite)
{
	assert(suites->count < MAX_TEST_CASES);
	suites->list[suites->count] = origsuite;
	suites->count++;
}

void CuSuiteListRun(CuSuiteList* testSuite)
{
	int i;
	for (i = 0 ; i < testSuite->count ; ++i)
	{
		CuSuite* testCase = testSuite->list[i];
		CuSuiteRun(testCase);
	}
}

static const TCHAR *genspaces(int i)
{
    TCHAR *str = (TCHAR*)malloc((i + 1) * sizeof(TCHAR));
    for ( int j=0;j<i;j++ )
		str[j]=_T(' ');
    str[i] = '\0';
    return str;
}

void CuSuiteListRunWithSummary(CuSuiteList* testSuite, bool verbose, bool times)
{
	int i;

	_tprintf(_T("%s:\n"), testSuite->name);
	for (i = 0 ; i < testSuite->count ; ++i)
	{
		bool hasprinted=false;
		CuSuite* testCase = testSuite->list[i];
		CuString *str = CuStringNew();

		size_t len = _tcslen(testCase->name);
		const TCHAR* spaces = len>31?NULL:genspaces(31 - len);
		_tprintf(_T("    %s:%s"), testCase->name, len>31?_T(""):spaces);
		free((void*)spaces);
		fflush(stdout);
		
		CuSuiteRun(testCase);
		if ( verbose ){
			for ( int i=0;i<testCase->count;i++ ){
				if ( testCase->list[i]->ran ){
					if ( testCase->list[i]->message != NULL ){
						if ( !hasprinted )
							printf("\n");
						_tprintf(_T("      %s:\n"),testCase->list[i]->name);

						TCHAR* msg = testCase->list[i]->message;
						bool nl = true;
						//write out message, indenting on new lines
						while ( *msg != '\0' ){
							if ( nl ){
								printf("        ");
								nl=false;
							}
							if ( *msg == '\n' )
								nl = true;
							putc(*msg,stdout);

							msg++;
						}

						if ( testCase->list[i]->message[_tcslen(testCase->list[i]->message)-1] != '\n' )
							printf("\n");
						hasprinted=true;
					}
				}
			}
		}
		CuSuiteSummary(testCase, str, times);
		if ( hasprinted )
			_tprintf(_T("    Result: %s\n"), str->buffer);
		else
			_tprintf(_T(" %s"), str->buffer);

		CuStringFree(str);
	}
	_tprintf(_T("\n"));
}

int CuSuiteListDetails(CuSuiteList* testSuite, CuString* details)
{
	int i;
	int failCount = 0;
	int notImplCount = 0;
	int count = 0;

	for (i = 0 ; i < testSuite->count ; ++i)
	{
		failCount += testSuite->list[i]->failCount;
		notImplCount += testSuite->list[i]->notimplCount;
                count += testSuite->list[i]->count;
	}
	CuStringAppendFormat(details, _T("%d %s run:  %d passed, %d failed, ")
			     _T("%d not implemented.\n"),
			     count, 
			     count == 1 ? _T("test") : _T("tests"),
   			     count - failCount - notImplCount,
			     failCount, notImplCount);

	if (failCount != 0 && verbose)
	{
		for (i = 0 ; i < testSuite->count ; ++i)
		{
			CuString *str = CuStringNew();
			CuSuite* testCase = testSuite->list[i];
			if (testCase->failCount)
			{
				CuSuiteDetails(testCase, str);
				CuStringAppend(details, str->buffer);
			}
			CuStringFree(str);
		}
	}
	if (notImplCount != 0 && verbose)
	{
		for (i = 0 ; i < testSuite->count ; ++i)
		{
			CuString *str = CuStringNew();
			CuSuite* testCase = testSuite->list[i];
			if (testCase->notimplCount)
			{
				CuSuiteDetails(testCase, str);
				CuStringAppend(details, str->buffer);
			}
			CuStringFree(str);
		}
	} 
	return failCount;
}