/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.

Additional permissions under GNU GPL version 3 section 7

If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
licensors of this Program grant you additional
permission to convey the resulting work. Corresponding Source for a
non-source form of such a combination shall include the source code for
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
work.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/
#include "hsTypes.h"
#include "hsTemplates.h"
#include <windows.h>
#include "afxres.h"
#include "res/resource.h"
#include <commctrl.h>
#include <shlwapi.h>
#include <shlobj.h>

#include "plResTreeView.h"
#include "../plResMgr/plResManager.h"
#include "../plResMgr/plResMgrSettings.h"
#include "plWinRegistryTools.h"
#include "../plFile/hsFiles.h"

#define IDC_REGTREEVIEW		1000

extern HINSTANCE gInstance;
extern char		*gCommandLine;

HWND	gTreeView;
HWND	gInfoDlg;

class plWaitCursor
{
		HCURSOR	fOrig;
	public:
		plWaitCursor()
		{
			fOrig = ::SetCursor( ::LoadCursor( nil, IDC_WAIT ) );
		}

		~plWaitCursor()
		{
			::SetCursor( fOrig );
		}
};

void	SetWindowTitle( HWND hWnd, char *path )
{
	char	fun[ MAX_PATH + 50 ];


	sprintf( fun, "plResBrowser%s%s", path != nil ? " - " : "", path != nil ? path : "" );
	SetWindowText( hWnd, fun );
}

BOOL CALLBACK AboutDialogProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
	if( msg == WM_COMMAND )
		EndDialog( hWnd, 0 );
	return 0;
}

LRESULT CALLBACK HandleCommand( HWND hWnd, WPARAM wParam, LPARAM lParam )
{
	OPENFILENAME	openInfo;
	char			fileName[ MAX_PATH ];
	char			path[ MAX_PATH ];

	static bool		filter = true;


	switch( LOWORD( wParam ) )
	{
		case ID_FILE_EXIT:
			PostQuitMessage( 0 );
			break;

		case ID_FILE_OPENDIRECTORY:

			BROWSEINFO		bInfo;
			LPITEMIDLIST	itemList;
			LPMALLOC		shMalloc;


			memset( &bInfo, 0, sizeof( bInfo ) );
			bInfo.hwndOwner = hWnd;
			bInfo.pidlRoot = NULL;
			bInfo.pszDisplayName = path;
			bInfo.lpszTitle = "Select a Plasma 2 Data Directory:";
			bInfo.ulFlags = BIF_EDITBOX;

			itemList = SHBrowseForFolder( &bInfo );
			if( itemList != NULL )
			{
				plWaitCursor	myWaitCursor;

				SHGetPathFromIDList( itemList, path );
				SHGetMalloc( &shMalloc );
				shMalloc->Free( itemList );
				shMalloc->Release();

				hsgResMgr::Reset();
				plResTreeView::ClearTreeView( gTreeView );

				// Load that source
				plResManager *mgr = (plResManager *)hsgResMgr::ResMgr();

				hsFolderIterator pathIterator(path);
				while (pathIterator.NextFileSuffix(".prp"))
				{
					char fileName[kFolderIterator_MaxPath];
					pathIterator.GetPathAndName(fileName);
					mgr->AddSinglePage(fileName);
				}
	
				plResTreeView::FillTreeViewFromRegistry( gTreeView );

				SetWindowTitle( hWnd, path );
			}

			break;

		case ID_FILE_OPEN:
			fileName[ 0 ] = 0;

			memset( &openInfo, 0, sizeof( OPENFILENAME ) );
			openInfo.hInstance = gInstance;
			openInfo.hwndOwner = hWnd;
			openInfo.lStructSize = sizeof( OPENFILENAME );
			openInfo.lpstrFile = fileName;
			openInfo.nMaxFile = sizeof( fileName );
			openInfo.lpstrFilter = "Plasma 2 Pack Files\0*.prp\0All Files\0*.*\0";
			openInfo.lpstrTitle = "Choose a file to browse:";
			openInfo.Flags = OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST;

			if( GetOpenFileName( &openInfo ) )
			{
				plWaitCursor	myWaitCursor;
	
				hsgResMgr::Reset();
				plResTreeView::ClearTreeView( gTreeView );

				// Load that source
				plResManager *mgr = (plResManager *)hsgResMgr::ResMgr();
				mgr->AddSinglePage(fileName);
				plResTreeView::FillTreeViewFromRegistry( gTreeView );

				SetWindowTitle( hWnd, fileName );
			}

			break;

		case ID_FILE_ABOUT:
			DialogBox( gInstance, MAKEINTRESOURCE( IDD_ABOUT ), hWnd, AboutDialogProc );
			break;

		case ID_FILE_FINDOBJECT:
			plResTreeView::FindObject( gTreeView );
			break;

		case ID_FILE_FINDNEXT:
			plResTreeView::FindNextObject( gTreeView );
			break;

		case ID_FILE_VERIFYPAGE:
			plResTreeView::VerifyCurrentPage( gTreeView );
			break;

		case IDC_SHOWASHEX:
			plResTreeView::UpdateInfoDlg( gTreeView );
			break;

		case ID_FILE_ONLYLOAD:
			filter = !filter;
			plResTreeView::FilterLoadables( filter, gTreeView );
			{
				HMENU menu = ::GetMenu( hWnd );
				menu = ::GetSubMenu( menu, 0 );
				::CheckMenuItem( menu, ID_FILE_ONLYLOAD, MF_BYCOMMAND | ( filter ? MF_CHECKED : MF_UNCHECKED ) );
			}
			break;

		case ID_FILE_SAVESELECTED:
			plResTreeView::SaveSelectedObject(gTreeView);
			break;

		default:
			return DefWindowProc( hWnd, WM_COMMAND, wParam, lParam );
	}

	return 0;
}

void	SizeControls( HWND parent )
{
	RECT	clientRect, infoRect;


	GetClientRect( parent, &clientRect );
	GetClientRect( gInfoDlg, &infoRect );

	SetWindowPos( gTreeView, NULL, 0, 0, clientRect.right - infoRect.right - 4, clientRect.bottom, 0 );

	OffsetRect( &infoRect, clientRect.right - infoRect.right, ( clientRect.bottom >> 1 ) - ( infoRect.bottom >> 1 ) );
	SetWindowPos( gInfoDlg, NULL, infoRect.left, infoRect.top, 0, 0, SWP_NOSIZE );
}

void	InitWindowControls( HWND hWnd )
{
	RECT	clientRect;


	GetClientRect( hWnd, &clientRect );

	gTreeView = CreateWindowEx( WS_EX_CLIENTEDGE, WC_TREEVIEW, "Tree View", WS_VISIBLE | WS_CHILD | WS_BORDER |
							TVS_HASLINES | TVS_HASBUTTONS | TVS_LINESATROOT | TVS_SHOWSELALWAYS,
							0, 0, 0, 0,
							hWnd, (HMENU)IDC_REGTREEVIEW, gInstance, NULL );


	gInfoDlg = CreateDialog( gInstance, MAKEINTRESOURCE( IDD_INFODLG ), hWnd, plResTreeView::InfoDlgProc );

	SizeControls( hWnd );
}

static bool	sFileTypesRegistered = false;

void	RegisterFileTypes( HWND mainWnd )
{
	if( sFileTypesRegistered )
		return;

	// Make sure our file types are created
	char	path[ MAX_PATH ];

	if( ::GetModuleFileName( nil, path, sizeof( path ) ) == 0 )
		return;

	//plWinRegistryTools::AssociateFileType( "PlasmaIdxFile", "Plasma 2 Index File", path, 1 );
	//plWinRegistryTools::AssociateFileType( "PlasmaDatFile", "Plasma 2 Data File", path, 2 );
	//plWinRegistryTools::AssociateFileType( "PlasmaPatchFile", "Plasma 2 Patch File", path, 3 );
	plWinRegistryTools::AssociateFileType( "PlasmaPackFile", "Plasma 2 Packfile", path, 4 );

	// Check our file extensions
	char	prpAssoc[ 512 ];
	hsBool	needToRegister = true;
	if( plWinRegistryTools::GetCurrentFileExtensionAssociation( ".prp", prpAssoc, sizeof( prpAssoc ) ) )
	{
		if( strcmp( prpAssoc, "PlasmaPackFile" ) == 0 )
			needToRegister = false;
	}

	if( needToRegister )
	{
		if( MessageBox( nil, "The Plasma 2 packed data file extension .prp is not currently associated with "
					"plResBrowser. Would you like to associate it now?", "plResBrowser File Type Association", 
					MB_YESNO | MB_ICONQUESTION) == IDYES )
		{
			// Associate 'em
			plWinRegistryTools::AssociateFileExtension( ".prp", "PlasmaPackFile" );
		}
	}

	sFileTypesRegistered = true;
}

LRESULT CALLBACK WndProc( HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam )
{	
    switch( message ) 
	{		
		case WM_CREATE:
			InitCommonControls();
			InitWindowControls( hWnd );
			RegisterFileTypes( hWnd );
			plResMgrSettings::Get().SetLoadPagesOnInit(false);

			{
				plResTreeView::FilterLoadables( true, gTreeView );
				HMENU menu = ::GetMenu( hWnd );
				menu = ::GetSubMenu( menu, 0 );
				::CheckMenuItem( menu, ID_FILE_ONLYLOAD, MF_BYCOMMAND | MF_CHECKED );
			}

			if( gCommandLine != nil )
			{
				plWaitCursor	myWaitCursor;
	
				char path[ MAX_PATH ];
				if( gCommandLine[ 0 ] == '"' )
				{
					strcpy( path, gCommandLine + 1 );
					char *c = strchr( path, '"' );
					if( c != nil )
						*c = 0;
				}
				else
					strcpy( path, gCommandLine );

				if( stricmp( PathFindExtension( path ), ".prp" ) == 0 )
				{
					hsgResMgr::Reset();
					plResTreeView::ClearTreeView( gTreeView );
					plResManager *mgr = (plResManager *)hsgResMgr::ResMgr();
					mgr->AddSinglePage(path);
					plResTreeView::FillTreeViewFromRegistry( gTreeView );

					SetWindowTitle( hWnd, path );
				}
			}
			break;

        case WM_CLOSE:
			DestroyWindow( hWnd );
			break;
        case WM_DESTROY:
			plResTreeView::ClearTreeView( gTreeView );
            PostQuitMessage(0);
			break;

		case WM_SIZING:
		case WM_SIZE:
			SizeControls( hWnd );
			break;

		case WM_NOTIFY:
			if( wParam == IDC_REGTREEVIEW )
			{
				NMHDR	*hdr = (NMHDR *)lParam;
				if( hdr->code == TVN_SELCHANGED )
				{
					plResTreeView::UpdateInfoDlg( gTreeView );
					//NMTREEVIEW	*tv = (NMTREEVIEW *)hdr;

				}
				else if( hdr->code == NM_DBLCLK )
				{
					plResTreeView::SelectionDblClicked( gTreeView );
				}
			}
			break;

		case WM_DROPFILES:
			{
				int		i, j, fileCount = DragQueryFile( (HDROP)wParam, -1, nil, nil );
				char	path[ MAX_PATH ];

				plWaitCursor	myWaitCursor;

				hsgResMgr::Reset();
				plResTreeView::ClearTreeView( gTreeView );
				plResManager *mgr = (plResManager *)hsgResMgr::ResMgr();

				if( fileCount == 1 && DragQueryFile( (HDROP)wParam, 0, path, sizeof( path ) ) > 0 &&
					( (char *)PathFindExtension( path ) )[ 0 ] == 0 )
				{
					// Must be a directory
					hsFolderIterator pathIterator(path);
					while (pathIterator.NextFileSuffix(".prp"))
					{
						char fileName[kFolderIterator_MaxPath];
						pathIterator.GetPathAndName(fileName);
						mgr->AddSinglePage(fileName);
					}
				}
				else
				{
					hsTArray<char *> filesAdded;

					filesAdded.Reset();
					for( i = 0; i < fileCount; i++ )
					{
						if( DragQueryFile( (HDROP)wParam, i, path, sizeof( path ) ) > 0 )
						{
							// Check for duplicates
							for( j = 0; j < filesAdded.GetCount(); j++ )
							{
								if( stricmp( filesAdded[ j ], path ) == 0 )
									break;
							}
							if( j < filesAdded.GetCount() )
								continue;

							if( stricmp( PathFindExtension( path ), ".prp" ) == 0 )
							{
								mgr->AddSinglePage(path);
								filesAdded.Append( hsStrcpy( path ) );
							}
						}
					}

					for( j = 0; j < filesAdded.GetCount(); j++ )
						delete [] filesAdded[ j ];
				}
				plResTreeView::FillTreeViewFromRegistry( gTreeView );

				PathRemoveFileSpec( path );
				SetWindowTitle( hWnd, path );
			}
			break;

		case WM_COMMAND:
			return HandleCommand( hWnd, wParam, lParam );
    }
    
    return DefWindowProc( hWnd, message, wParam, lParam );
}