/*==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 "HeadSpin.h"
#include "hsWindows.h"
#include "hsTemplates.h"
#include "res/resource.h"
#include <commdlg.h>
#include <commctrl.h>
#include <shellapi.h>
#include <shlwapi.h>
#include <shlobj.h>

#include "plResTreeView.h"
#include "plResMgr/plResManager.h"
#include "plResMgr/plResMgrSettings.h"
#include "plWinRegistryTools.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();

                std::vector<plFileName> prpFiles = plFileSystem::ListDir(path, "*.prp");
                for (auto iter = prpFiles.begin(); iter != prpFiles.end(); ++iter)
                    mgr->AddSinglePage(*iter);

                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 ];
    bool    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
                    std::vector<plFileName> prpFiles = plFileSystem::ListDir(path, "*.prp");
                    for (auto iter = prpFiles.begin(); iter != prpFiles.end(); ++iter)
                        mgr->AddSinglePage(*iter);
                }
                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 );
}