/* CLASS:
 * AUTHOR: Anders & Lea
 * DESCRIPTION:
 ****************************************************************************/
package com.survivalsystem;

import com.badlogic.ashley.core.ComponentMapper;
import com.badlogic.ashley.core.Engine;
import com.badlogic.ashley.core.Entity;
import com.badlogic.ashley.core.EntitySystem;
import com.badlogic.ashley.core.Family;
import com.badlogic.ashley.utils.ImmutableArray;
import com.common.data.components.BehaviourComponent;
import com.common.data.components.HealthComponent;
import com.common.data.components.SurvivalComponent;
import com.common.interfaces.IEntitySystem;
import java.util.HashMap;
import org.openide.util.lookup.ServiceProvider;

@ServiceProvider(service = IEntitySystem.class)
public class Survival extends EntitySystem implements IEntitySystem {

    private ImmutableArray<Entity> entities;
    private ComponentMapper<SurvivalComponent> survival = ComponentMapper.getFor(SurvivalComponent.class);
    private ComponentMapper<HealthComponent> health = ComponentMapper.getFor(HealthComponent.class);
    private ComponentMapper<BehaviourComponent> bcm = ComponentMapper.getFor(BehaviourComponent.class);

    @Override
    public void update(float deltaTime) {
        for (Entity entity : entities) {
            SurvivalComponent surv = survival.get(entity);
            HealthComponent hp = health.get(entity);
            BehaviourComponent behaviourComp = bcm.get(entity);

            if (surv.water < 0 || surv.food <= 0) {
                if (hp.hitpoints > 0) {
                    hp.hitpoints -= 0.1;
                }else
                    behaviourComp.scheduledForCleanup = true;
            }else{
                surv.water -= 0.01;
                surv.food -= 0.01;
            }

        }
    }

    @Override
    public void addedToEngine(Engine engine) {
        this.entities = engine.getEntitiesFor(Family.all(SurvivalComponent.class).get());
    }

    @Override
    public EntitySystem getSystem() {
        return this;
    }

    @Override
    public void loadSystem(HashMap<String, Object> data) throws Exception {
    }

}