/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "logunit.h"

#include <apr_general.h>
#include <algorithm>
#include <stdlib.h>
#include <locale.h>

void initialize()
{
	setlocale(LC_CTYPE, "");
	const char* ctype = setlocale(LC_CTYPE, 0);

	if (ctype == 0)
	{
		puts("LC_CTYPE: NULL");
	}
	else
	{
		printf("LC_CTYPE: %s\n", ctype);
	}

	apr_initialize();
}

extern const char** testlist;

static bool suite_sort(const LogUnit::SuiteList::value_type& lhs, const LogUnit::SuiteList::value_type& rhs)
{
	return lhs.first < rhs.first;
}

abts_suite* abts_run_suites(abts_suite* suite)
{
	LogUnit::SuiteList sorted(LogUnit::getAllSuites());

#if !defined(_MSC_VER)
	std::sort(sorted.begin(), sorted.end(), suite_sort);
#endif

	for (LogUnit::SuiteList::const_iterator iter = sorted.begin();
		iter != sorted.end();
		iter++)
	{
		//
		//   if there is an explicit testlist or if the suite is not by default disabled
		//         pump suite through filter
		if (testlist || !iter->second->isDisabled())
		{
			suite = iter->second->run(suite);
		}
	}

	apr_terminate();
	return suite;
}

using namespace LogUnit;
using namespace std;

TestException::TestException() {}
TestException::TestException(const TestException& src) : std::exception(src)
{
}

TestException& TestException::operator=(const TestException& src)
{
	exception::operator=(src);
	return *this;
}


AssertException::AssertException(std::string message, int line) : msg(message), lineno(line) {}

AssertException::AssertException(bool expected, const char* actualExpr, int line) : msg(actualExpr), lineno(line)
{
	if (expected)
	{
		msg.append(" was expected to be true, was false.");
	}
	else
	{
		msg.append(" was expected to be true, was false.");
	}
}

AssertException::AssertException(const AssertException& src)
	: std::exception(src),
	  msg(src.msg),
	  lineno(src.lineno)
{
}

AssertException::~AssertException() throw()
{
}

AssertException& AssertException::operator=(const AssertException& src)
{
	exception::operator=(src);
	msg = src.msg;
	lineno = src.lineno;
	return *this;
}

std::string AssertException::getMessage() const
{
	return msg;
}

int AssertException::getLine() const
{
	return lineno;
}


TestFixture::TestFixture() : tc(0) {}
TestFixture::~TestFixture() {}
void TestFixture::setCase(abts_case* newtc)
{
	tc = newtc;
}
void TestFixture::setUp() {}
void TestFixture::tearDown() {}

void TestFixture::assertEquals(const char* expected,
	const char* actual,
	const char* expectedExpr,
	const char* actualExpr,
	int lineno)
{
	abts_str_equal(tc, expected, actual, lineno);

	if ((expected == 0 || actual != 0) ||
		(expected != 0 || actual == 0) ||
		(expected != 0 && strcmp(expected, actual) != 0))
	{
		throw TestException();
	}
}

void TestFixture::assertEquals(const std::string expected,
	const std::string actual,
	const char* expectedExpr,
	const char* actualExpr,
	int lineno)
{
	abts_str_equal(tc, expected.c_str(), actual.c_str(), lineno);

	if (expected != actual)
	{
		throw TestException();
	}
}

template<class S>
static void transcode(std::string& dst, const S& src)
{
	for (typename S::const_iterator iter = src.begin();
		iter != src.end();
		iter++)
	{
		if (*iter <= 0x7F)
		{
			dst.append(1, (char) *iter);
		}
		else
		{
			dst.append(1, '?');
		}
	}
}

#if LOG4CXX_LOGCHAR_IS_WCHAR || LOG4CXX_WCHAR_T_API
void TestFixture::assertEquals(const std::wstring expected,
	const std::wstring actual,
	const char* expectedExpr,
	const char* actualExpr,
	int lineno)
{
	if (expected != actual)
	{
		std::string exp, act;
		transcode(exp, expected);
		transcode(act, actual);
		abts_str_equal(tc, exp.c_str(), act.c_str(), lineno);
		throw TestException();
	}
}
#endif


void TestFixture::assertEquals(const int expected, const int actual, int lineno)
{
	abts_int_equal(tc, expected, actual, lineno);

	if (expected != actual)
	{
		throw TestException();
	}
}


LogUnit::TestSuite::TestSuite(const char* fname) : filename(fname), disabled(false)
{
#if defined(_WIN32)

	for (size_t i = filename.find('\\');
		i != std::string::npos;
		i = filename.find('\\', i + 1))
	{
		filename.replace(i, 1, 1, '/');
	}

#endif
}

void LogUnit::TestSuite::addTest(const char* test_name, test_func func)
{
	test_funcs.push_back({test_name,func});
}

std::string LogUnit::TestSuite::getName() const
{
	return filename;
}

void LogUnit::TestSuite::setDisabled(bool newVal)
{
	disabled = newVal;
}

bool LogUnit::TestSuite::isDisabled() const
{
	return disabled;
}

abts_suite* TestSuite::run(abts_suite* suite) const
{
	suite = abts_add_suite(suite, filename.c_str());

	for (TestList::const_iterator iter = test_funcs.begin();
		iter != test_funcs.end();
		iter++)
	{
		abts_run_test(suite, iter->first, *iter->second, NULL);
	}

	return suite;
}


LogUnit::SuiteList& LogUnit::getAllSuites()
{
	static LogUnit::SuiteList allSuites;
	return allSuites;
}