/*
Copyright (C) 2009-2024 Parallel Realities

This program 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.

This program 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 this program; if not, write to the Free Software
Foundation, 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA.
*/

#include "../headers.h"

#include "../audio/audio.h"
#include "../collisions.h"
#include "../entity.h"
#include "../graphics/animation.h"
#include "../hud.h"
#include "../system/error.h"
#include "../system/properties.h"

extern Entity *self;
extern Game game;

static void init(void);
static void entityWait(void);
static void activate(int);
static void touch(Entity *);

Entity *addLightTarget(int x, int y, char *name)
{
	Entity *e = getFreeEntity();

	if (e == NULL)
	{
		showErrorAndExit("No free slots to add a Light Target");
	}

	loadProperties(name, e);

	e->touch = &touch;

	e->action = &init;

	e->draw = &drawLoopingAnimationToMap;

	e->activate = &activate;

	e->x = x;
	e->y = y;

	setEntityAnimation(e, "STAND");

	return e;
}

static void init()
{
	self->thinkTime = -1;

	self->action = &entityWait;
}

static void entityWait()
{
	self->thinkTime--;

	if (self->thinkTime == 0)
	{
		setEntityAnimation(self, "STAND");

		activateEntitiesWithRequiredName(self->objectiveName, FALSE);

		self->active = FALSE;

		self->thinkTime = -1;
	}

	else if (self->thinkTime < 0)
	{
		self->thinkTime = -1;
	}
}

static void touch(Entity *other)
{
	if (strcmpignorecase(other->name, "item/light_beam") == 0)
	{
		activate(1);
	}

	else
	{
		pushEntity(other);
	}
}

static void activate(int val)
{
	int remaining, total;

	if (self->thinkTime == -1)
	{
		setEntityAnimation(self, "WALK");

		self->active = TRUE;

		remaining = countSiblings(self, &total);

		if (remaining == 0)
		{
			activateEntitiesWithRequiredName(self->objectiveName, TRUE);

			if (total > 0)
			{
				setInfoBoxMessage(60, 255, 255, 255, _("Complete"));
			}
		}

		else
		{
			setInfoBoxMessage(30, 255, 255, 255, _("%d more to go..."), remaining);
		}

		self->maxHealth = self->health;

		playSoundToMap("sound/common/switch", -1, self->x, self->y, 0);
	}

	self->thinkTime = 5;
}
