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

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 "qe3.h"
#include "Radiant.h"
#include "ConsoleDlg.h"


// CConsoleDlg dialog

IMPLEMENT_DYNCREATE(CConsoleDlg, CDialog)
CConsoleDlg::CConsoleDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CConsoleDlg::IDD)
{
	currentHistoryPosition = -1;
	currentCommand = "";
	saveCurrentCommand = true;
}

CConsoleDlg::~CConsoleDlg()
{
}

void CConsoleDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	DDX_Control(pDX, IDC_EDIT_CONSOLE, editConsole);
	DDX_Control(pDX, IDC_EDIT_INPUT, editInput);
}

void CConsoleDlg::AddText( const char *msg ) {
	idStr work;
	CString work2;

	work = msg;
	work.RemoveColors();
	work = CEntityDlg::TranslateString( work.c_str() );
	editConsole.GetWindowText( work2 );
	int len = work2.GetLength();
	if ( len + work.Length() > (int)editConsole.GetLimitText() ) {
		work2 = work2.Right( editConsole.GetLimitText() * 0.75 );
		len = work2.GetLength();
		editConsole.SetWindowText(work2);
	}
	editConsole.SetSel( len, len );
	editConsole.ReplaceSel( work );
}


BEGIN_MESSAGE_MAP(CConsoleDlg, CDialog)
	ON_WM_SIZE()
	ON_WM_SETFOCUS()
	ON_WM_ACTIVATE()
END_MESSAGE_MAP()


// CConsoleDlg message handlers

void CConsoleDlg::OnSize(UINT nType, int cx, int cy)
{
	CDialog::OnSize(nType, cx, cy);

	if (editInput.GetSafeHwnd() == NULL) {
		return;
	}

	CRect rect, crect;
	GetWindowRect(rect);
	editInput.GetWindowRect(crect);

	editInput.SetWindowPos(NULL, 4, rect.Height() - 4 - crect.Height(), rect.Width() - 8, crect.Height(), SWP_SHOWWINDOW);
	editConsole.SetWindowPos(NULL, 4, 4, rect.Width() - 8, rect.Height() - crect.Height() - 8, SWP_SHOWWINDOW);
}

BOOL CConsoleDlg::PreTranslateMessage(MSG* pMsg)
{

	if (pMsg->hwnd == editInput.GetSafeHwnd()) {
		if (pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_ESCAPE ) {
			Select_Deselect();
			g_pParentWnd->SetFocus ();
			return TRUE;
		}

		if (pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_RETURN ) {
			ExecuteCommand();
			return TRUE;
		}

		if (pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_ESCAPE ) {
			if (pMsg->wParam == VK_ESCAPE) {
				g_pParentWnd->GetCamera()->SetFocus();
				Select_Deselect();
			}

			return TRUE;
		}

		if (pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_UP ) {
			//save off the current in-progress command so we can get back to it
			if ( saveCurrentCommand == true ) {
				CString str;
				editInput.GetWindowText ( str );
				currentCommand = str.GetBuffer ( 0 );
				saveCurrentCommand = false;
	}

			if ( consoleHistory.Num () > 0 ) {
				editInput.SetWindowText ( consoleHistory[currentHistoryPosition] );

				int selLocation = consoleHistory[currentHistoryPosition].Length ();
				editInput.SetSel ( selLocation , selLocation + 1);
}

			if ( currentHistoryPosition > 0) {
				--currentHistoryPosition;
			}

			return TRUE;
		}

		if (pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_DOWN ) {
			int selLocation = 0;
			if ( currentHistoryPosition < consoleHistory.Num () - 1 ) {
				++currentHistoryPosition;
				editInput.SetWindowText ( consoleHistory[currentHistoryPosition] );
				selLocation = consoleHistory[currentHistoryPosition].Length ();
			}
			else {
				editInput.SetWindowText ( currentCommand );
				selLocation = currentCommand.Length ();
				currentCommand.Clear ();
				saveCurrentCommand = true;
			}

			editInput.SetSel ( selLocation , selLocation + 1);

			return TRUE;
		}
		if (pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_TAB ) {
			common->Printf ( "Command History\n----------------\n" );
			for ( int i = 0 ; i < consoleHistory.Num ();i++ )
{
				common->Printf ( "[cmd %d]:  %s\n" , i , consoleHistory[i].c_str() );
			}
			common->Printf ( "----------------\n" );
		}
		if (pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_NEXT) {
			editConsole.LineScroll ( 10 );
		}

		if (pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_PRIOR ) {
			editConsole.LineScroll ( -10 );
		}

		if (pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_HOME ) {
			editConsole.LineScroll ( -editConsole.GetLineCount() );
		}

		if (pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_END ) {
			editConsole.LineScroll ( editConsole.GetLineCount() );
		}
	}

	return CDialog::PreTranslateMessage(pMsg);
}

void CConsoleDlg::OnSetFocus(CWnd* pOldWnd) {
	CDialog::OnSetFocus(pOldWnd);
	editInput.SetFocus();
}

void CConsoleDlg::SetConsoleText ( const idStr& text ) {
	editInput.Clear ();
	editInput.SetWindowText ( text.c_str() );
}

void CConsoleDlg::ExecuteCommand ( const idStr& cmd ) {
	CString str;
	if ( cmd.Length() > 0 ) {
		str = cmd;
	}
	else {
		editInput.GetWindowText(str);
	}

	if ( str != "" ) {
		editInput.SetWindowText("");
		common->Printf("%s\n", str.GetBuffer(0));

		//avoid adding multiple identical commands in a row
		int index = consoleHistory.Num ();

		if ( index == 0 || str.GetBuffer(0) != consoleHistory[index-1]) {
			//keep the history to 16 commands, removing the oldest command
			if ( consoleHistory.Num () > 16 ) {
				consoleHistory.RemoveIndex ( 0 );
			}
			currentHistoryPosition = consoleHistory.Append ( str.GetBuffer (0) );
		}
		else {
			currentHistoryPosition = consoleHistory.Num () - 1;
		}

		currentCommand.Clear ();

		bool propogateCommand = true;

		//process some of our own special commands
		if ( str.CompareNoCase ( "clear" ) == 0) {
			editConsole.SetSel ( 0 , -1 );
			editConsole.Clear ();
		}
		else if ( str.CompareNoCase ( "edit" ) == 0) {
			propogateCommand = false;
		}
		if ( propogateCommand ) {
			cmdSystem->BufferCommandText( CMD_EXEC_NOW, str );
		}

		Sys_UpdateWindows(W_ALL);
	}
}

void CConsoleDlg::OnActivate(UINT nState, CWnd* pWndOther, BOOL bMinimized)
{
	CDialog::OnActivate(nState, pWndOther, bMinimized);

	if ( nState == WA_ACTIVE || nState == WA_CLICKACTIVE )
	{
		editInput.SetFocus();
	}
}