package de.towerdefence.server.match;

import de.towerdefence.server.player.Player;
import de.towerdefence.server.server.channels.match.money.PlayerMoneyCallback;
import de.towerdefence.server.server.channels.match.placing.Tower;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
import java.util.concurrent.*;

@Service
public class MatchService {
    private final Map<Player, Match> playerMatches = new HashMap<>();
    private final Map<Match, ScheduledFuture<?>> moneyTasks = new HashMap<>();
    private static final ScheduledExecutorService scheduler = Executors.newSingleThreadScheduledExecutor();

    public void createMatch(String matchId, Player player1, Player player2) {
        Match match = new Match(matchId, player1, player2);
        playerMatches.put(player1, match);
        playerMatches.put(player2, match);
    }

    public Match get(Player player) {
        return playerMatches.get(player);
    }

    /**
     * @return opponent
     */
    public Player placeTower(Player player, int x, int y) throws InvalidPlacementException{
        return playerMatches.get(player).addTower(player, new Tower(), x, y);
    }


    public void playerConnected(Player player, PlayerMoneyCallback callback) {
        Match match = playerMatches.get(player);
        Optional<Integer> currentMoney = match.getPlayerMoney(player);
        if (currentMoney.isEmpty()) {
            return;
        }
        match.setPlayerMoneyCallback(player, callback);
        callback.call(player, currentMoney.get());
        boolean matchStarted =match.setPlayerConnected(player);
        if (!matchStarted) {
            return;
        }
        ScheduledFuture<?> moneyTask = scheduler.scheduleAtFixedRate(
            () -> {
                match.addMoney(3);
                match.getPlayer1MoneyCallback().call(match.getPlayer1(), match.getPlayer1Money());
                match.getPlayer2MoneyCallback().call(match.getPlayer2(), match.getPlayer2Money());
            },
            5,
            5,
            TimeUnit.SECONDS
        );
        moneyTasks.put(match, moneyTask);
    }
}