//-----------------------------------------------------------------------------
// Copyright (c) 2012 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------

#include "console/console.h"
#include "platform/platform.h"

#if defined(TORQUE_OS_WIN)
#include <sys/utime.h>
#else
#include <sys/time.h>
#endif

#include "platform/platformVolume.h"
#include "core/util/zip/zipVolume.h"

using namespace Torque;
using namespace Torque::FS;

namespace Platform
{
namespace FS
{

bool  MountDefaults()
{
   String  path = getAssetDir();

   bool  mounted = Mount( "game", createNativeFS( path ));

   if ( !mounted )
      return false;

#ifdef TORQUE_SECURE_VFS
   mounted = Mount("/", createNativeFS(path));
   if (!mounted)
   {
      return false;
   }
#endif

#ifndef TORQUE_DISABLE_VIRTUAL_MOUNT_SYSTEM
   // Always mount the data & home dir so scripts work in either configuration. This is used for eg. preferences storage.
   Path dataDirectory = Platform::getUserDataDirectory();
   Path appDataDirectory = Path::Join(dataDirectory.getFullPath().c_str(), '/', TORQUE_APP_NAME);
   Path homeDirectory = Platform::getUserHomeDirectory();
   Path appHomeDirectory = Path::Join(homeDirectory.getFullPath().c_str(), '/', TORQUE_APP_NAME);

   // Ensure the root of the data directory exists before trying to mount data VFS
   if (!Platform::FS::IsDirectory(appDataDirectory) && !Platform::FS::CreateDirectory(appDataDirectory))
   {
      // NOTE: We can't Con::errorf here because it doesn't actually output by this point in execution
   }

   // Ensure the root of the home directory exists before trying to mount home VFS
   if (!Platform::FS::IsDirectory(appHomeDirectory) && !Platform::FS::CreateDirectory(appHomeDirectory))
   {
      // NOTE: We can't Con::errorf here because it doesn't actually output by this point in execution
   }

   // data:/ points to a directory that is usually buried someplace harder to reach on OS
   mounted = Mount("data", Platform::FS::createNativeFS(appDataDirectory.getFullPath()));
   if (!mounted)
   {
      // NOTE: We can't Con::errorf here because it doesn't actually output by this point in execution
      return false;
   }

   // home:/ refers to your Documents/<APPNAME> folder which is easier to reach than the data:/ mount
   mounted = Mount("home", Platform::FS::createNativeFS(appHomeDirectory.getFullPath()));
   if (!mounted)
   {
      // NOTE: We can't Con::errorf here because it doesn't actually output by this point in execution
      return false;
   }

   // Note that the VirtualMountSystem must be enabled in volume.cpp for zip support to work.
   return MountZips("game");
#else
   return true;
#endif
}

bool MountZips(const String &root)
{
   Path basePath;
   basePath.setRoot(root);
   Vector<String> outList;

   S32 num = FindByPattern(basePath, "*.zip", true, outList);
   if(num == 0)
      return true; // not an error

   S32 mounted = 0;
   for(S32 i = 0;i < outList.size();++i)
   {
      String &zipfile = outList[i];
#ifdef TORQUE_ZIP_DISK_LAYOUT
      mounted += (S32)Mount(root, new ZipFileSystem(zipfile, false));
#else 
      mounted += (S32)Mount(root, new ZipFileSystem(zipfile, true));
#endif
   }

   return mounted == outList.size();
}

//-----------------------------------------------------------------------------

bool  Touch( const Path &path )
{
#if defined(TORQUE_OS_WIN)
   return( utime( path.getFullPath(), 0 ) != -1 );
#else
   return( utimes( path.getFullPath(), NULL) == 0 ); // utimes returns 0 on success.
#endif
}

} // namespace FS
} // namespace Platform