//=========== (C) Copyright 1996-2002 Valve, L.L.C. All rights reserved. ===========
//
// The copyright to the contents herein is the property of Valve, L.L.C.
// The contents may be used and/or copied only with the written permission of
// Valve, L.L.C., or in accordance with the terms and conditions stipulated in
// the agreement/contract under which the contents have been supplied.
//
// Purpose: 
//
// $Workfile:     $
// $Date:         $
//
//-----------------------------------------------------------------------------
// $Log: $
//
// $NoKeywords: $
//=============================================================================

#include "VGUI_Font.h"
#include "VGUI_ScrollPanel.h"
#include "VGUI_TextImage.h"

#include <VGUI_StackLayout.h>

#include "hud.h"
#include "cl_util.h"
#include "camera.h"
#include "kbutton.h"
#include "const.h"

#include "vgui_int.h"
#include "vgui_TeamFortressViewport.h"

#define MOTD_TITLE_X				XRES(16)
#define MOTD_TITLE_Y				YRES(16)

#define MOTD_WINDOW_X				XRES(112)
#define MOTD_WINDOW_Y				YRES(80)
#define MOTD_WINDOW_SIZE_X			XRES(424)
#define MOTD_WINDOW_SIZE_Y			YRES(312)

//-----------------------------------------------------------------------------
// Purpose: Displays the MOTD and basic server information
//-----------------------------------------------------------------------------
class CMessageWindowPanel : public CMenuPanel
{
public:
	CMessageWindowPanel( const char *szMOTD, const char *szTitle, int iShadeFullScreen, int iRemoveMe, int x, int y, int wide, int tall );

private:
	CTransparentPanel *m_pBackgroundPanel;
};

//-----------------------------------------------------------------------------
// Purpose: Creates a new CMessageWindowPanel
// Output : CMenuPanel - interface to the panel
//-----------------------------------------------------------------------------
CMenuPanel *CMessageWindowPanel_Create( const char *szMOTD, const char *szTitle, int iShadeFullscreen, int iRemoveMe, int x, int y, int wide, int tall )
{
	return new CMessageWindowPanel( szMOTD, szTitle, iShadeFullscreen, iRemoveMe, x, y, wide, tall );
}

//-----------------------------------------------------------------------------
// Purpose: Constructs a message panel
//-----------------------------------------------------------------------------
CMessageWindowPanel::CMessageWindowPanel( const char *szMOTD, const char *szTitle, int iShadeFullscreen, int iRemoveMe, int x, int y, int wide, int tall ) : CMenuPanel( iShadeFullscreen ? 100 : 255, iRemoveMe, x, y, wide, tall )
{
	// Get the scheme used for the Titles
	CSchemeManager *pSchemes = gViewPort->GetSchemeManager();

	// schemes
	SchemeHandle_t hTitleScheme = pSchemes->getSchemeHandle( "Title Font" );
	SchemeHandle_t hMOTDText = pSchemes->getSchemeHandle( "Briefing Text" );

	// color schemes
	int r, g, b, a;

	// Create the window
	m_pBackgroundPanel = new CTransparentPanel( iShadeFullscreen ? 255 : 100, MOTD_WINDOW_X, MOTD_WINDOW_Y, MOTD_WINDOW_SIZE_X, MOTD_WINDOW_SIZE_Y );
	m_pBackgroundPanel->setParent( this );
	m_pBackgroundPanel->setBorder( new LineBorder( Color( 255 * 0.7, 170 * 0.7, 0, 0 ) ) );
	m_pBackgroundPanel->setVisible( true );

	int iXSize,iYSize,iXPos,iYPos;
	m_pBackgroundPanel->getPos( iXPos, iYPos );
	m_pBackgroundPanel->getSize( iXSize, iYSize );

	// Create the title
	Label *pLabel = new Label( "", iXPos + MOTD_TITLE_X, iYPos + MOTD_TITLE_Y );
	pLabel->setParent( this );
	pLabel->setFont( pSchemes->getFont( hTitleScheme ) );
	pLabel->setFont( Scheme::sf_primary1 );

	pSchemes->getFgColor( hTitleScheme, r, g, b, a );
	pLabel->setFgColor( r, g, b, a );
	pLabel->setFgColor( Scheme::sc_primary1 );
	pSchemes->getBgColor( hTitleScheme, r, g, b, a );
	pLabel->setBgColor( r, g, b, a );
	pLabel->setContentAlignment( vgui::Label::a_west );
	pLabel->setText( "%s", szTitle);

	// Create the Scroll panel
	ScrollPanel *pScrollPanel = new CTFScrollPanel( iXPos + XRES( 16 ), iYPos + MOTD_TITLE_Y * 2 + YRES( 16 ), iXSize - XRES( 32 ), iYSize - ( YRES( 48 ) + BUTTON_SIZE_Y * 2 ) );
	pScrollPanel->setParent( this );

	// force the scrollbars on so clientClip will take them in account after the validate
	pScrollPanel->setScrollBarAutoVisible( false, false );
	pScrollPanel->setScrollBarVisible( true, true );
	pScrollPanel->validate();

	// Create the text panel
	TextPanel *pText = new TextPanel( "", 0, 0, 64, 64 );
	pText->setParent( pScrollPanel->getClient() );

	// get the font and colors from the scheme
	pText->setFont( pSchemes->getFont( hMOTDText ) );
	pSchemes->getFgColor( hMOTDText, r, g, b, a );
	pText->setFgColor( r, g, b, a );
	pSchemes->getBgColor( hMOTDText, r, g, b, a );
	pText->setBgColor( r, g, b, a );
	pText->setText( szMOTD );

	// Get the total size of the MOTD text and resize the text panel
	int iScrollSizeX, iScrollSizeY;

	// First, set the size so that the client's wdith is correct at least because the
	//  width is critical for getting the "wrapped" size right.
	// You'll see a horizontal scroll bar if there is a single word that won't wrap in the
	//  specified width.
	pText->getTextImage()->setSize( pScrollPanel->getClientClip()->getWide(), pScrollPanel->getClientClip()->getTall() );
	pText->getTextImage()->getTextSizeWrapped( iScrollSizeX, iScrollSizeY );
	
	// Now resize the textpanel to fit the scrolled size
	pText->setSize( iScrollSizeX, iScrollSizeY );

	//turn the scrollbars back into automode
	pScrollPanel->setScrollBarAutoVisible( true, true );
	pScrollPanel->setScrollBarVisible( false, false );

	pScrollPanel->validate();

	CommandButton *pButton = new CommandButton( CHudTextMessage::BufferedLocaliseTextString( "#Menu_OK" ), iXPos + XRES( 16 ), iYPos + iYSize - YRES( 16 ) - BUTTON_SIZE_Y, CMENU_SIZE_X, BUTTON_SIZE_Y );
	pButton->addActionSignal( new CMenuHandler_TextWindow( HIDE_TEXTWINDOW ) );
	pButton->setParent( this );
}