#include "port.h"
#include "build.h"
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "filesystem.h"
#if XASH_POSIX
#include <dlfcn.h>
#define LoadLibrary( x ) dlopen( x, RTLD_NOW )
#define GetProcAddress( x, y ) dlsym( x, y )
#define FreeLibrary( x ) dlclose( x )
#elif XASH_WIN32
#include <windows.h>
#endif

void *g_hModule;
FSAPI g_pfnGetFSAPI;
fs_api_t g_fs;
fs_globals_t *g_nullglobals;


static qboolean LoadFilesystem( void )
{
	g_hModule = LoadLibrary( "filesystem_stdio." OS_LIB_EXT );
	if( !g_hModule )
		return false;

	g_pfnGetFSAPI = (void*)GetProcAddress( g_hModule, GET_FS_API );
	if( !g_pfnGetFSAPI )
		return false;

	if( !g_pfnGetFSAPI( FS_API_VERSION, &g_fs, &g_nullglobals, NULL ))
		return false;

	return true;
}

static int TestNoInit( void )
{
	char nice[69];
	fs_dllinfo_t dllinfo;
	void *p;

	// here are the APIs that shouldn't fail without calling InitStdio
	g_fs.ShutdownStdio();
	g_fs.ClearSearchPath();
	g_fs.AllowDirectPaths( true );
	g_fs.AllowDirectPaths( false );
	if( g_fs.Search( "asfjkajk", 0, 0 ) != 0 )
		return 0;
	g_fs.SetCurrentDirectory( "." ); // must succeed!
	g_fs.FindLibrary( "kek", true, &dllinfo );
	if( g_fs.Open( "afbvasvwerf", "w+", true ) != 0 )
		return 0;
	if( g_fs.LoadFile( "hehe", NULL, true ) != 0 )
		return 0;
	p = g_fs.LoadDirectFile( "hehe", NULL );
	if( p ) free( p );

	if( !g_fs.IsArchiveExtensionSupported( "pk3", 0 )) return 0;
	if( !g_fs.IsArchiveExtensionSupported( "wad", 0 )) return 0;
	if( !g_fs.IsArchiveExtensionSupported( "pak", 0 )) return 0;
	if( !g_fs.IsArchiveExtensionSupported( "pk3dir", 0 )) return 0;

	if( !g_fs.IsArchiveExtensionSupported( "pk3", IAES_ONLY_REAL_ARCHIVES )) return 0;
	if( g_fs.IsArchiveExtensionSupported( "pk3dir", IAES_ONLY_REAL_ARCHIVES )) return 0;
	if( g_fs.IsArchiveExtensionSupported( "vpk", 0)) return 0;

	g_fs.FileExists( "asdcv", 0 );
	g_fs.FileTime( "zxcasdfd", 0 );
	g_fs.FileSize( "asdqwe", 1 );
	g_fs.Rename( "cafqefv", "zvewfw" );
	g_fs.SysFileExists( "zbarbgaer" );
	g_fs.GetDiskPath( "aggasdfbaergba", 0 );
	g_fs.GetFullDiskPath( nice, sizeof( nice ), "oh my!", true );
	g_fs.Delete( "blabla" );

	return 1;
}

int main( void )
{
	if( !LoadFilesystem() )
		return EXIT_FAILURE;

	if( !TestNoInit( ))
		return EXIT_FAILURE;

	FreeLibrary( g_hModule );

	printf( "success\n" );

	return EXIT_SUCCESS;
}