namespace CustomHUD
{

const int HUD_CHAN_TICKETS = 1;

const string ENT_TICKET_CNT = "ticket_counter"; // entity name

bool g_fShowTickets;
int g_iTickets;
int g_iTicketsTotal;

EHandle g_hTicketCounter;

//=============================================================================
// Shared
//=============================================================================

//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void Init()
{
	g_Hooks.RegisterHook( Hooks::Player::ClientPutInServer, @ClientPutInServer );
	//g_Hooks.RegisterHook( Hooks::Player::PlayerSpawn, @PlayerSpawn );
	
	g_fShowTickets = false;
	g_iTicketsTotal = 0;
	g_iTickets = 0;
}

//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
HookReturnCode ClientPutInServer( CBasePlayer@ pPlayer )
{
	if ( g_fShowTickets )
		SendTickets( pPlayer );
	
	return HOOK_CONTINUE;
}

//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void TicketStart()
{
	CBaseEntity@ pEntity;

	@pEntity = g_EntityFuncs.FindEntityByTargetname( null, ENT_TICKET_CNT );
	if ( pEntity is null )
		g_Game.AlertMessage( at_error, "Ticket counter entity '%1' not found\n", ENT_TICKET_CNT );
	else
		g_hTicketCounter = EHandle( pEntity );

	g_Scheduler.SetInterval( "PeriodicUpdate", 0.5, g_Scheduler.REPEAT_INFINITE_TIMES );
		
	UpdateTickets();	
	g_iTicketsTotal = g_iTickets;
	
	SendTickets( null );
}

void TicketEnd()
{	
	ToggleTicketsDisplay( false );
}



//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
RGBA StringToRGBA( const string& in strColor )
{
	RGBA rgba = RGBA_WHITE;
	array<string>@ strComp = strColor.Split( " " );
	if ( strComp.length() == 4 )
	{
		rgba.r = atoi( strComp[ 0 ] );
		rgba.g = atoi( strComp[ 1 ] );
		rgba.b = atoi( strComp[ 2 ] );
		rgba.a = atoi( strComp[ 3 ] );
	}
	
	return rgba;
}

//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void Message( CBasePlayer@ pPlayer, const string& in text, float x = -1, float y = -1,
	RGBA color = RGBA_WHITE, float fin = 0.5, float fout = 0.5, float hold = 5.0 )
{
	HUDTextParams txtPrms;

	txtPrms.x = x;
	txtPrms.y = y;
	txtPrms.effect = 0;

	txtPrms.r1 = txtPrms.r2 = color.r;
	txtPrms.g1 = txtPrms.g2 = color.g;
	txtPrms.b1 = txtPrms.b2 = color.b;
	txtPrms.a1 = txtPrms.a2 = color.a;
	
	txtPrms.fadeinTime = fin;
	txtPrms.fadeoutTime = fout;
	txtPrms.holdTime = hold;
	txtPrms.fxTime = 0;//0.25f;
	txtPrms.channel = 2;
	
	if ( pPlayer !is null )
		g_PlayerFuncs.HudMessage( pPlayer, txtPrms, text );
	else
		g_PlayerFuncs.HudMessageAll( txtPrms, text );
}

//=============================================================================
// Tickets
//=============================================================================

//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void UpdateTickets()
{
	if ( !g_hTicketCounter.IsValid() )
			return;
			
	CBaseEntity@ pEntity = g_hTicketCounter;
	g_iTickets = int( pEntity.pev.frags );
}

int g_iLastTickets = -1;

//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void PeriodicUpdate()
{
	if ( g_fShowTickets )
	{
		UpdateTickets();
		
		if ( g_iLastTickets != g_iTickets )
		{
			SendTickets( null );
			g_iLastTickets = g_iTickets;
		}
	}
}

//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void SendTickets( CBasePlayer@ pPlayer )
{
	g_fShowTickets = true;
	
	HUDNumDisplayParams params;
	
	params.channel = HUD_CHAN_TICKETS;
	params.flags = HUD_ELEM_SCR_CENTER_X | HUD_ELEM_DEFAULT_ALPHA;
	params.value = g_iTickets;
	params.x = 0;
	params.y = 1;
	params.defdigits = 3;
	params.maxdigits = 3;
	params.color1 = g_iTickets <= 1 ? RGBA_RED : RGBA_SVENCOOP;
	params.spritename = "ragemap2021/tickets.spr";
	
	g_PlayerFuncs.HudNumDisplay( pPlayer, params );
}

//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ToggleTicketsDisplay( bool fVisible )
{
	/*if ( g_fShowTickets == fVisible )
		return;*/
	
	g_fShowTickets = fVisible;
	
	if ( g_fShowTickets )
	{
		SendTickets( null );
	}
	else
	{
		g_PlayerFuncs.HudToggleElement( null, HUD_CHAN_TICKETS, false );
	}
}
} // end of namespace