/* 
    This file is a part of the SteamWar software.
    
    Copyright (C) 2020  SteamWar.de-Serverteam

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 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 Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

package de.steamwar.fightsystem.winconditions;

import de.steamwar.fightsystem.Config;
import de.steamwar.fightsystem.fight.Fight;
import de.steamwar.fightsystem.fight.FightTeam;
import de.steamwar.fightsystem.states.FightState;
import de.steamwar.fightsystem.states.StateDependentListener;
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 WinconditionPercentSystem extends Wincondition implements Listener, PrintableWincondition, PercentWincondition {

    private final Map<FightTeam, TeamPercent> teamMap = new HashMap<>();

    public WinconditionPercentSystem() {
        super("Percent", "§cTeam ", " §chat den Gegnern");
        teamMap.put(Fight.getBlueTeam(), new TeamPercent(Fight.getBlueTeam()));
        teamMap.put(Fight.getRedTeam(), new TeamPercent(Fight.getRedTeam()));

        new StateDependentListener(Winconditions.PERCENT_SYSTEM, FightState.Running, this);
        if(Config.ActiveWinconditions.contains(Winconditions.PERCENT_SYSTEM)){
            printableWinconditions.add(this);
            percentWincondition = this;
        }
    }

    @EventHandler
    public void handleEntityExplode(EntityExplodeEvent event) {
        teamMap.values().forEach(teamPercent -> teamPercent.check(event));
    }

    @Override
    public String getDisplay(FightTeam team) {
        return team.getPrefix() + "Schaden: " + (Math.round(100.0 * getPercent(team)) / 100.0) + "%";
    }

    @Override
    public double getPercent(FightTeam team) {
        return teamMap.get(team).percent;
    }

    private class TeamPercent {

        private final FightTeam team;
        private final int volume;
        private double percent;
        private int destroyedBlocks;

        private TeamPercent(FightTeam team) {
            this.team = team;
            this.volume = team.getSchemRegion().volume();
        }

        private void check(EntityExplodeEvent event) {
            if(!team.getExtendRegion().inRegion(event.getEntity().getLocation())){
                return;
            }

            destroyedBlocks += event.blockList().size();
            percent = (double)destroyedBlocks * 100 / volume;
            if(percent >= Config.PercentWin) {
                win(Fight.getOpposite(team));
            }
        }
    }
}