/*
===========================================================================

Doom 3 GPL Source Code
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.

This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").

Doom 3 Source Code 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.

Doom 3 Source Code 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 Doom 3 Source Code.  If not, see <http://www.gnu.org/licenses/>.

In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code.  If not, please request a copy in writing from id Software at the address below.

If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.

===========================================================================
*/

#include "tools/edit_gui_common.h"


#include "../../sys/win32/rc/guied_resource.h"

#include "GEApp.h"
#include "GEPropertyPage.h"

LRESULT CALLBACK GEScriptEdit_WndProc ( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
	WNDPROC wndproc = (WNDPROC) GetWindowLong ( hwnd, GWL_USERDATA );

	switch ( msg )
	{
		case WM_CHAR:
			if ( wParam == VK_ESCAPE )
			{
				SendMessage ( GetParent ( hwnd ), WM_CLOSE, 0, 0 );
			}
			break;

		case WM_GETDLGCODE:
			return DLGC_WANTALLKEYS;
	}

	return CallWindowProc ( wndproc, hwnd, msg, wParam, lParam );
}

bool GEItescriptsDlg_Init ( HWND hwnd )
{
	idWindow*			window;
	rvGEWindowWrapper*	wrapper;
	HWND				script;

	// Extract the window pointer from the win32 windows user data long
	window = (idWindow*)GetWindowLong ( hwnd, GWL_USERDATA );
	assert ( window );

	// Get the window wrapper of the script window
	wrapper = rvGEWindowWrapper::GetWrapper ( window );
	assert ( wrapper );

	// Get the edit box used to edit the script
	script = GetDlgItem ( hwnd, IDC_GUIED_SCRIPT );

	UINT tabsize = 16;
	SendMessage ( script, EM_SETTABSTOPS, 1, (LPARAM)&tabsize );
	SetWindowLong ( script, GWL_USERDATA, GetWindowLong ( script, GWL_WNDPROC ) );
	SetWindowLong ( script, GWL_WNDPROC, (LONG) GEScriptEdit_WndProc );

	TEXTMETRIC tm;
	HDC dc;
	dc = GetDC ( script );
	GetTextMetrics ( dc, &tm );
	ReleaseDC ( script, dc );

	LOGFONT lf;
	ZeroMemory ( &lf, sizeof(lf) );
	lf.lfHeight = tm.tmHeight;
	strcpy ( lf.lfFaceName, "Courier New" );

	SendMessage ( script, WM_SETFONT, (WPARAM)CreateFontIndirect ( &lf ), 0 );

	SendMessage ( script, EM_SETMARGINS, EC_LEFTMARGIN|EC_RIGHTMARGIN, MAKELONG(10,10) );

	int i;

	for ( i = 0; i < wrapper->GetVariableDict().GetNumKeyVals ( ); i ++ )
	{
		const idKeyValue* key = wrapper->GetVariableDict().GetKeyVal ( i );

		SendMessage ( script, EM_SETSEL, -1, -1 );
		SendMessage ( script, EM_REPLACESEL, FALSE, (LPARAM)key->GetKey().c_str() );
		SendMessage ( script, EM_SETSEL, -1, -1 );
		SendMessage ( script, EM_REPLACESEL, FALSE, (LPARAM)"\t" );
		SendMessage ( script, EM_SETSEL, -1, -1 );
		SendMessage ( script, EM_REPLACESEL, FALSE, (LPARAM)key->GetValue().c_str() );
		SendMessage ( script, EM_SETSEL, -1, -1 );
		SendMessage ( script, EM_REPLACESEL, FALSE, (LPARAM)"\r\n" );
	}

	if ( i )
	{
		SendMessage ( script, EM_SETSEL, -1, -1 );
		SendMessage ( script, EM_REPLACESEL, FALSE, (LPARAM)"\r\n" );
	}

	for ( i = 0; i < wrapper->GetScriptDict().GetNumKeyVals ( ); i ++ )
	{
		const idKeyValue* key = wrapper->GetScriptDict().GetKeyVal ( i );

		SendMessage ( script, EM_SETSEL, -1, -1 );
		SendMessage ( script, EM_REPLACESEL, FALSE, (LPARAM)va("%s\r\n", key->GetKey().c_str() ) );
		SendMessage ( script, EM_SETSEL, -1, -1 );
		SendMessage ( script, EM_REPLACESEL, FALSE, (LPARAM)key->GetValue().c_str() );
		SendMessage ( script, EM_SETSEL, -1, -1 );
		SendMessage ( script, EM_REPLACESEL, FALSE, (LPARAM)"\r\n\r\n" );
	}

	SendMessage ( script, EM_SETSEL, 0, 0 );
	SendMessage ( script, EM_SCROLLCARET, 0, 0 );

	return true;
}

bool GEItescriptsDlg_Apply ( HWND hwnd )
{
	idWindow*			window;
	rvGEWindowWrapper*	wrapper;
	HWND				script;

	// Extract the window pointer from the win32 windows user data long
	window = (idWindow*)GetWindowLong ( hwnd, GWL_USERDATA );
	assert ( window );

	// Get the window wrapper of the script window
	wrapper = rvGEWindowWrapper::GetWrapper ( window );
	assert ( wrapper );

	// Get the edit box used to edit the script
	script = GetDlgItem ( hwnd, IDC_GUIED_SCRIPT );

	GETTEXTLENGTHEX textLen;
	int				chars;
	textLen.flags = GTL_DEFAULT|GTL_USECRLF;
	textLen.codepage = CP_ACP;
	chars = SendMessage ( script, EM_GETTEXTLENGTHEX, (WPARAM)&textLen, 0 );

	char* text = new char[chars+1];

	GETTEXTEX getText;
	getText.cb = chars+1;
	getText.codepage = CP_ACP;
	getText.flags = GT_DEFAULT|GT_USECRLF;
	getText.lpDefaultChar = NULL;
	getText.lpUsedDefChar = NULL;
	SendMessage ( script, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM)text );

	idStr parse = text;
	delete[] text;

	try
	{
		idParser src ( parse, parse.Length(), "", LEXFL_ALLOWMULTICHARLITERALS | LEXFL_NOSTRINGCONCAT | LEXFL_ALLOWBACKSLASHSTRINGCONCAT );
		idToken token;

		wrapper->GetVariableDict().Clear ( );
		wrapper->GetScriptDict().Clear ( );

		while ( src.ReadToken ( &token ) )
		{
			idStr scriptName;
			idStr out;

			if ( !token.Icmp ("definevec4") )
			{
				idToken token2;
				idStr	result;

				if ( !src.ReadToken ( &token2 ) )
				{
					src.Error ( "expected define name" );
					return false;
				}

				idWinVec4				var;
				idUserInterfaceLocal	ui;
				idWindow				tempwin ( &ui );
				idStr					out;
				int						i;

				src.SetMarker ( );
				for ( i = 0; i < 3; i ++ )
				{
					tempwin.ParseExpression ( &src, &var );
					src.ExpectTokenString(",");
				}

				tempwin.ParseExpression ( &src, &var );
				src.GetStringFromMarker ( out, true );

				wrapper->GetVariableDict().Set ( token + "\t\"" + token2 + "\"", out );

				continue;
			}
			else if ( !token.Icmp ( "definefloat" ) || !token.Icmp ( "float" ) )
			{
				idToken token2;
				idStr	result;

				if ( !src.ReadToken ( &token2 ) )
				{
					src.Error ( "expected define name" );
					return false;
				}

				idWinFloat				var;
				idUserInterfaceLocal	ui;
				idWindow				tempwin ( &ui );
				idStr					out;

				src.SetMarker ( );
				tempwin.ParseExpression ( &src, &var );
				src.GetStringFromMarker ( out, true );

				wrapper->GetVariableDict().Set ( token + "\t\"" + token2 + "\"", out );

				continue;
			}
			// If the token is a scriptdef then just parse out the
			// braced section and add it to the list.  Right now only
			// one scriptdef per window is supported
			else if ( !token.Icmp ( "scriptdef" ) )
			{
				scriptName = "scriptDef";
			}
			else if ( !token.Icmp ( "ontime" ) )
			{
				if ( !src.ReadToken ( &token ) )
				{
					src.Error ( "expected time" );
					return false;
				}

				scriptName = "onTime ";
				scriptName.Append ( token );
			}
			else if ( !token.Icmp ( "onevent" ) )
			{
				if ( !src.ReadToken ( &token ) )
				{
					src.Error ( "expected time" );
					return false;
				}

				scriptName = "onEvent ";
				scriptName.Append ( token );
			}
			else
			{
				int i;

				for( i = 0; i < idWindow::SCRIPT_COUNT; i ++ )
				{
					if ( idStr::Icmp ( idWindow::ScriptNames[i], token ) == 0 )
					{
						scriptName = idWindow::ScriptNames[i];
						break;
					}
				}

				if ( i >= idWindow::SCRIPT_COUNT )
				{
					src.Error ( "expected script name" );
					return false;
				}
			}

			if ( !src.ParseBracedSectionExact ( out, 1) )
			{
				return false;
			}

			wrapper->GetScriptDict().Set ( scriptName, out );
		}
	}
	catch ( idException &e )
	{
		MessageBox ( hwnd, e.error, "Script Error", MB_OK|MB_ICONERROR);
		return false;
	}

	return true;
}

INT_PTR CALLBACK GEItescriptsDlg_WndProc ( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
	switch ( msg )
	{
		case WM_INITDIALOG:
			SetWindowLong ( hwnd, GWL_USERDATA, lParam );
			GEItescriptsDlg_Init ( hwnd );

			gApp.GetOptions().GetWindowPlacement ( "scripts", hwnd );

			// Let it fall through so the scripts window gets resized.

		case WM_SIZE:
		{
			RECT rClient;
			GetClientRect ( hwnd, &rClient );
			MoveWindow ( GetDlgItem ( hwnd, IDC_GUIED_SCRIPT ),
						 rClient.left, rClient.top,
						 rClient.right - rClient.left,
						 rClient.bottom - rClient.top,
						 FALSE );
			break;
		}

		case WM_ERASEBKGND:
			return TRUE;


		case WM_CLOSE:
			if ( !GEItescriptsDlg_Apply ( hwnd ) )
			{
				return TRUE;
			}
			gApp.GetOptions().SetWindowPlacement ( "scripts", hwnd );
			EndDialog ( hwnd, 1 );
			break;
	}

	return FALSE;
}

/*
================
GEItemScriptsDlg_DoModal

Starts the item properties dialog
================
*/
bool GEItemScriptsDlg_DoModal ( HWND parent, idWindow* window )
{
	LoadLibrary ( "Riched20.dll" );

	if ( DialogBoxParam ( gApp.GetInstance(), MAKEINTRESOURCE(IDD_GUIED_SCRIPTS), parent, GEItescriptsDlg_WndProc, (LPARAM) window ) )
	{
		return true;
	}

	return false;
}