#include "platform.h"
#include <cerrno>
#include <string>
#include <cstring>
#include <cmath>
#include <iostream>
#include <sstream>
#include <fstream>
#include <algorithm>
#include <map>
#include <set>

extern "C" {
#include <zlib.h>
#ifndef WIN32
# include <sys/types.h>
# include <sys/stat.h>
# include <sys/time.h>
# include <signal.h>
#endif
}
#include "svector.h"
#include "random.h"

using std::string;

#include "basics.h"
#include "endian.h"
#include "files.h"
#include "enabler.h"
#include "find_files.h"

#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <glob.h>
#include <string.h>

void find_files_by_pattern(const char* pattern, svector<char *>& filenames)
{
	glob_t g;
	if (!glob(pattern, 0, NULL, &g))
	{
		for (int i = 0; i < g.gl_pathc; ++i)
		{
			struct stat cstat;
			stat(g.gl_pathv[i],&cstat);
			if(!S_ISREG(cstat.st_mode))continue;

			// don't include the path
			char* src = strrchr(g.gl_pathv[i], '/');
			if (src)
			{
				int len = strlen(++src);
				char* c = new char[len + 1];	// caller will free this
				strcpy(c, src);
				filenames.push_back(c);
			}
		}
	}
	globfree(&g);
}

void find_files_by_pattern_with_exception(const char* pattern, svector<char *>& filenames,const char *exception)
{
	glob_t g;
	if (!glob(pattern, 0, NULL, &g))
	{
		for (int i = 0; i < g.gl_pathc; ++i)
		{
			struct stat cstat;
			stat(g.gl_pathv[i],&cstat);
			if(!S_ISREG(cstat.st_mode))continue;

			// don't include the path
			char* src = strrchr(g.gl_pathv[i], '/');
			if (src)
			{
				int len = strlen(++src);
				if(!strcmp(src,exception))continue;
				
				char* c = new char[len + 1];	// caller will free this
				strcpy(c, src);
				filenames.push_back(c);
			}
		}
	}
	globfree(&g);
}

void find_files_by_pattern(const char* pattern, stringvectst& filenames)
{
	glob_t g;
	if (!glob(pattern, 0, NULL, &g))
	{
		for (int i = 0; i < g.gl_pathc; ++i)
		{
			struct stat cstat;
			stat(g.gl_pathv[i],&cstat);
			if(!S_ISREG(cstat.st_mode))continue;

			// don't include the path
			char* src = strrchr(g.gl_pathv[i], '/');
			if (src)
			{
				++src;
				filenames.add_string(src);
			}
		}
	}
	globfree(&g);
}

void find_files_by_pattern_with_exception(const char* pattern, stringvectst& filenames,const char *exception)
{
	glob_t g;
	if (!glob(pattern, 0, NULL, &g))
	{
		for (int i = 0; i < g.gl_pathc; ++i)
		{
			struct stat cstat;
			stat(g.gl_pathv[i],&cstat);
			if(!S_ISREG(cstat.st_mode))continue;

			// don't include the path
			char* src = strrchr(g.gl_pathv[i], '/');
			if (src)
			{
				++src;
				if(!strcmp(src,exception))continue;
				
				filenames.add_string(src);
			}
		}
	}
	globfree(&g);
}

void find_directories_by_pattern(const char* pattern, stringvectst &filenames)
{
	glob_t g;
	if (!glob(pattern, 0, NULL, &g))
	{
		for (int i = 0; i < g.gl_pathc; ++i)
		{
			struct stat cstat;
			stat(g.gl_pathv[i],&cstat);
			if(!S_ISDIR(cstat.st_mode))continue;

			// don't include the path
			char* src = strrchr(g.gl_pathv[i], '/');
			if (src)
			{
				++src;
				filenames.add_string(src);
			}
		}
	}
	globfree(&g);
}

void find_directories_by_pattern_with_exception(const char* pattern, stringvectst &filenames,const char *exception)
{
	glob_t g;
	if (!glob(pattern, 0, NULL, &g))
	{
		for (int i = 0; i < g.gl_pathc; ++i)
		{
			struct stat cstat;
			stat(g.gl_pathv[i],&cstat);
			if(!S_ISDIR(cstat.st_mode))continue;

			// don't include the path
			char* src = strrchr(g.gl_pathv[i], '/');
			if (src)
			{
				++src;
				if(!strcmp(src,exception))continue;
				
				filenames.add_string(src);
			}
		}
	}
	globfree(&g);
}