package de.steamwar.fightsystem.winconditions;

import de.steamwar.fightsystem.FightSystem;
import de.steamwar.fightsystem.countdown.TechKOCountdown;
import de.steamwar.fightsystem.fight.Fight;
import de.steamwar.fightsystem.fight.FightTeam;
import de.steamwar.fightsystem.Config;
import org.bukkit.Bukkit;
import org.bukkit.World;
import org.bukkit.entity.TNTPrimed;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.EntityExplodeEvent;

import java.util.HashMap;
import java.util.Map;

public class WinconditionTechKO implements Listener {

    private static final int TECH_KO_TIME_IN_S = 90;
    private static final int TECH_KO_HALF_TIME = TECH_KO_TIME_IN_S*10;
    public static final int TECH_KO_COUNTDOWN_TIME = TECH_KO_HALF_TIME/20;

    private World world;
    private Map<Integer, Boolean> map = new HashMap<>(400);
    private double toggle;
    private int smallerZtime;
    private int biggerZtime;
    private TechKOCountdown smallerZcountdown = null;
    private TechKOCountdown biggerZcountdown = null;

    //Works only for z-Axis fight direction for performance reasons
    public WinconditionTechKO(){
        if(!Config.TechKO)
            return;

        world = Bukkit.getWorlds().get(0);
        toggle = Config.SpecSpawn.getZ();
        smallerZtime=TECH_KO_HALF_TIME;
        biggerZtime=TECH_KO_HALF_TIME;

        Bukkit.getScheduler().runTaskTimerAsynchronously(FightSystem.getPlugin(), this::run, 1, 1);
        Bukkit.getPluginManager().registerEvents(this, FightSystem.getPlugin());
    }

    private void run(){
        for(TNTPrimed tnt : world.getEntitiesByClass(TNTPrimed.class)){
            int id = tnt.getEntityId();
            boolean smallerZ = tnt.getLocation().getZ() < toggle;
            Boolean old = map.put(id, smallerZ);
            if(old != null && old != smallerZ){
                if(old)
                    smallerZtime = TECH_KO_HALF_TIME;
                else
                    biggerZtime = TECH_KO_HALF_TIME;
            }
        }

        if(smallerZtime == TECH_KO_HALF_TIME && smallerZcountdown != null){
            smallerZcountdown.cancelTimer();
            smallerZcountdown = null;
        }else if(smallerZtime == 0){
            smallerZcountdown = new TechKOCountdown(smallerTeam());
        }

        if(biggerZtime == TECH_KO_HALF_TIME && biggerZcountdown != null){
            biggerZcountdown.cancelTimer();
            biggerZcountdown = null;
        }else if(biggerZtime == 0){
            biggerZcountdown = new TechKOCountdown(biggerTeam());
        }

        smallerZtime--;
        biggerZtime--;
    }

    private FightTeam smallerTeam(){
        if(Config.TeamBluetoReddistanceZ > 0)
            return Fight.getBlueTeam();
        else
            return Fight.getRedTeam();
    }

    private FightTeam biggerTeam(){
        if(Config.TeamBluetoReddistanceZ < 0)
            return Fight.getBlueTeam();
        else
            return Fight.getRedTeam();
    }

    @EventHandler
    public void onEntityDead(EntityExplodeEvent event){
        map.remove(event.getEntity().getEntityId());
    }
}