/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.

This file is part of Quake III Arena source code.

Quake III Arena 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 2 of the License,
or (at your option) any later version.

Quake III Arena 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 Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/
//
/*
=======================================================================

MAIN MENU

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

#include "ui_local.h"

#define ID_SINGLEPLAYER			10
#define ID_MULTIPLAYER			11
#define ID_SETUP				12
#define ID_DEMOS				13
#define ID_MODS					14
#define ID_EXIT					15

#define MAIN_BANNER_SHADER				"menuBanner"
#define MAIN_MENU_VERTICAL_SPACING		34

typedef struct {
	menuframework_s	menu;

	menutext_s		singleplayer;
	menutext_s		multiplayer;
	menutext_s		setup;
	menutext_s		demos;
	menutext_s		mods;
	menutext_s		exit;

	qhandle_t		bannerShader;
} mainmenu_t;

static mainmenu_t s_main;

typedef struct {
	menuframework_s menu;	
	char errorMessage[4096];
} errorMessage_t;

static errorMessage_t s_errorMessage;

/*
=================
MainMenu_ExitAction
=================
*/
static void MainMenu_ExitAction( qboolean result ) {
	if( !result ) {
		return;
	}
	UI_PopMenu();
	UI_CreditMenu();
}

/*
=================
Main_MenuEvent
=================
*/
void Main_MenuEvent (void* ptr, int event) {
	if( event != QM_ACTIVATED ) {
		return;
	}

	switch( ((menucommon_s*)ptr)->id ) {
	case ID_SINGLEPLAYER:
		UI_SPLevelMenu();
		break;

	case ID_MULTIPLAYER:
		UI_ArenaServersMenu();
		break;

	case ID_SETUP:
		UI_SetupMenu();
		break;

	case ID_DEMOS:
		UI_DemosMenu();
		break;

	case ID_MODS:
		UI_ModsMenu();
		break;

	case ID_EXIT:
		UI_ConfirmMenu( "EXIT GAME?", NULL, MainMenu_ExitAction );
		break;
	}
}

/*
===============
MainMenu_Cache
===============
*/
void MainMenu_Cache(void)
{
	s_main.bannerShader = trap_R_RegisterShaderNoMip(MAIN_BANNER_SHADER);
}

sfxHandle_t ErrorMessage_Key(int key)
{
	trap_Cvar_Set( "com_errorMessage", "" );
	UI_MainMenu();
	return (menu_null_sound);
}

/*
===============
Main_MenuDraw

TTimo: this function is common to the main menu and errorMessage menu
===============
*/
static void Main_MenuDraw(void)
{
	vec4_t			color = {0.0, 0.0, 1.0, 1.0};

	UI_DrawHandlePic(60, 0, 512, 512, s_main.bannerShader);

	if(strlen(s_errorMessage.errorMessage))
	{
		UI_DrawProportionalString_AutoWrapped(320, 192, 600, 20, s_errorMessage.errorMessage, UI_CENTER|UI_SMALLFONT|UI_DROPSHADOW, menu_text_color);
	}
	else
	{
		// standard menu drawing
		Menu_Draw(&s_main.menu);	
	}

	UI_DrawString(320, 460, "Revolution(c) 2005-2007, Team Evolution and Contributors", UI_CENTER|UI_SMALLFONT, color);
}

/*
===============
UI_MainMenu

The main menu only comes up when not in a game,
so make sure that the attract loop server is down
and that local cinematics are killed
===============
*/
void UI_MainMenu( void ) {
	int		y;
	int		style = UI_CENTER | UI_DROPSHADOW;

	trap_Cvar_Set( "sv_killserver", "1" );

	memset( &s_main, 0 ,sizeof(mainmenu_t) );
	memset( &s_errorMessage, 0 ,sizeof(errorMessage_t) );

	// com_errorMessage would need that too
	MainMenu_Cache();
	
	trap_Cvar_VariableStringBuffer( "com_errorMessage", s_errorMessage.errorMessage, sizeof(s_errorMessage.errorMessage) );
	if (strlen(s_errorMessage.errorMessage))
	{	
		s_errorMessage.menu.draw = Main_MenuDraw;
		s_errorMessage.menu.key = ErrorMessage_Key;
		s_errorMessage.menu.fullscreen = qtrue;
		s_errorMessage.menu.wrapAround = qtrue;
		s_errorMessage.menu.showlogo = qtrue;		

		trap_Key_SetCatcher( KEYCATCH_UI );
		uis.menusp = 0;
		UI_PushMenu ( &s_errorMessage.menu );
		
		return;
	}

	s_main.menu.draw = Main_MenuDraw;
	s_main.menu.fullscreen = qtrue;
	s_main.menu.wrapAround = qtrue;
	s_main.menu.showlogo = qtrue;

	y = 134;
	s_main.singleplayer.generic.type		= MTYPE_PTEXT;
	s_main.singleplayer.generic.flags		= QMF_CENTER_JUSTIFY|QMF_PULSEIFFOCUS;
	s_main.singleplayer.generic.x			= 320;
	s_main.singleplayer.generic.y			= y;
	s_main.singleplayer.generic.id			= ID_SINGLEPLAYER;
	s_main.singleplayer.generic.callback	= Main_MenuEvent; 
	s_main.singleplayer.string				= "SINGLE PLAYER";
	s_main.singleplayer.color				= color_red;
	s_main.singleplayer.style				= style;

	y += MAIN_MENU_VERTICAL_SPACING;
	s_main.multiplayer.generic.type			= MTYPE_PTEXT;
	s_main.multiplayer.generic.flags		= QMF_CENTER_JUSTIFY|QMF_PULSEIFFOCUS;
	s_main.multiplayer.generic.x			= 320;
	s_main.multiplayer.generic.y			= y;
	s_main.multiplayer.generic.id			= ID_MULTIPLAYER;
	s_main.multiplayer.generic.callback		= Main_MenuEvent; 
	s_main.multiplayer.string				= "MULTIPLAYER";
	s_main.multiplayer.color				= color_red;
	s_main.multiplayer.style				= style;

	y += MAIN_MENU_VERTICAL_SPACING;
	s_main.setup.generic.type				= MTYPE_PTEXT;
	s_main.setup.generic.flags				= QMF_CENTER_JUSTIFY|QMF_PULSEIFFOCUS;
	s_main.setup.generic.x					= 320;
	s_main.setup.generic.y					= y;
	s_main.setup.generic.id					= ID_SETUP;
	s_main.setup.generic.callback			= Main_MenuEvent; 
	s_main.setup.string						= "SETUP";
	s_main.setup.color						= color_red;
	s_main.setup.style						= style;

	y += MAIN_MENU_VERTICAL_SPACING;
	s_main.demos.generic.type				= MTYPE_PTEXT;
	s_main.demos.generic.flags				= QMF_CENTER_JUSTIFY|QMF_PULSEIFFOCUS;
	s_main.demos.generic.x					= 320;
	s_main.demos.generic.y					= y;
	s_main.demos.generic.id					= ID_DEMOS;
	s_main.demos.generic.callback			= Main_MenuEvent; 
	s_main.demos.string						= "DEMOS";
	s_main.demos.color						= color_red;
	s_main.demos.style						= style;

	y += MAIN_MENU_VERTICAL_SPACING;
	s_main.mods.generic.type			= MTYPE_PTEXT;
	s_main.mods.generic.flags			= QMF_CENTER_JUSTIFY|QMF_PULSEIFFOCUS;
	s_main.mods.generic.x				= 320;
	s_main.mods.generic.y				= y;
	s_main.mods.generic.id				= ID_MODS;
	s_main.mods.generic.callback		= Main_MenuEvent; 
	s_main.mods.string					= "MODS";
	s_main.mods.color					= color_red;
	s_main.mods.style					= style;

	y += MAIN_MENU_VERTICAL_SPACING;
	s_main.exit.generic.type				= MTYPE_PTEXT;
	s_main.exit.generic.flags				= QMF_CENTER_JUSTIFY|QMF_PULSEIFFOCUS;
	s_main.exit.generic.x					= 320;
	s_main.exit.generic.y					= y;
	s_main.exit.generic.id					= ID_EXIT;
	s_main.exit.generic.callback			= Main_MenuEvent; 
	s_main.exit.string						= "EXIT";
	s_main.exit.color						= color_red;
	s_main.exit.style						= style;

	Menu_AddItem( &s_main.menu,	&s_main.singleplayer );
	Menu_AddItem( &s_main.menu,	&s_main.multiplayer );
	Menu_AddItem( &s_main.menu,	&s_main.setup );
	Menu_AddItem( &s_main.menu,	&s_main.demos );
	Menu_AddItem( &s_main.menu,	&s_main.mods );
	Menu_AddItem( &s_main.menu,	&s_main.exit );             

	trap_Key_SetCatcher( KEYCATCH_UI );
	uis.menusp = 0;
	UI_PushMenu ( &s_main.menu );	
}