package me.viper.survivalmechanics.mechanics;

import me.viper.survivalmechanics.SurvivalMechanics;
import org.bukkit.entity.Player;
import org.bukkit.plugin.java.JavaPlugin;
import org.bukkit.scheduler.BukkitTask;
import org.bukkit.scheduler.BukkitRunnable;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.event.player.PlayerToggleSprintEvent;
import org.bukkit.event.entity.EntityDamageByEntityEvent;
import org.bukkit.Material;
import org.bukkit.ChatColor;
import org.bukkit.potion.PotionEffect;
import org.bukkit.potion.PotionEffectType;

import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import java.util.List;

public class HungerManager implements Listener {
    private final JavaPlugin plugin;
    private final Map<UUID, Integer> hungerLevels = new HashMap<>();
    private final Map<UUID, BukkitTask> deathTimers = new HashMap<>();
    private final int maxHunger;
    private final double decreaseRate;
    private final double sprintMultiplier;
    private final double combatMultiplier;
    private final double nightMultiplier;
    private final int sleepReduction;
    private final double damage;
    private final int criticalThreshold;
    private final boolean deathEnabled;
    private final int deathDelay;
    private final List<String> foodItems;
    private final int foodRecoveryRate;
    private final boolean particleEffect;
    private final int messageCooldown;
    private final boolean criticalMessageOnly;

    public HungerManager(JavaPlugin plugin) {
        this.plugin = plugin;
        this.maxHunger = plugin.getConfig().getInt("hunger.max", 100);
        this.decreaseRate = plugin.getConfig().getDouble("hunger.decrease-rate", 0.5);
        this.sprintMultiplier = plugin.getConfig().getDouble("hunger.sprint-multiplier", 2);
        this.combatMultiplier = plugin.getConfig().getDouble("hunger.combat-multiplier", 3);
        this.nightMultiplier = plugin.getConfig().getDouble("hunger.night-multiplier", 1.5);
        this.sleepReduction = plugin.getConfig().getInt("hunger.sleep-reduction", 50);
        this.damage = plugin.getConfig().getDouble("hunger.damage", 0.5);
        this.criticalThreshold = plugin.getConfig().getInt("hunger.critical-threshold", 20);
        this.deathEnabled = plugin.getConfig().getBoolean("hunger.death-enabled", true);
        this.deathDelay = plugin.getConfig().getInt("hunger.death-delay", 60);
        this.foodItems = plugin.getConfig().getStringList("hunger.food-items");
        this.foodRecoveryRate = plugin.getConfig().getInt("hunger.food-recovery-rate", 20);
        this.particleEffect = plugin.getConfig().getBoolean("hunger.particle-effect", true);
        this.messageCooldown = plugin.getConfig().getInt("hunger.message-cooldown", 60);
        this.criticalMessageOnly = plugin.getConfig().getBoolean("hunger.critical-message-only", true);
        plugin.getServer().getPluginManager().registerEvents(this, plugin);
    }

    public void startHungerTask() {
        new BukkitRunnable() {
            @Override
            public void run() {
                for (Player player : plugin.getServer().getOnlinePlayers()) {
                    UUID playerId = player.getUniqueId();
                    int hunger = hungerLevels.getOrDefault(playerId, maxHunger);
                    double decrease = decreaseRate;
                    long time = player.getWorld().getTime();
                    boolean isNight = time >= 12000 && time < 24000;
                    if (isNight) {
                        decrease *= nightMultiplier;
                    }
                    hunger = Math.max(0, hunger - (int) decrease);
                    hungerLevels.put(playerId, hunger);

                    if (hunger <= criticalThreshold && hunger > 0) {
                        player.damage(damage);
                        if (canSendMessage(playerId)) {
                            player.sendMessage(ChatColor.translateAlternateColorCodes('&', ((SurvivalMechanics) plugin).getLangConfig().getString("hunger.critical", "§4Dein Körper schwächt durch Hunger!")));
                            player.getWorld().playSound(player.getLocation(), "entity.player.hurt", 1.0f, 1.0f);
                            setLastMessageTime(playerId);
                        }
                    } else if (hunger == 0 && deathEnabled && !deathTimers.containsKey(playerId)) {
                        player.sendMessage(ChatColor.translateAlternateColorCodes('&', ((SurvivalMechanics) plugin).getLangConfig().getString("hunger.warning", "§4Du bist dem Verhungern nahe!")));
                        player.getWorld().playSound(player.getLocation(), "entity.player.hurt", 1.0f, 1.0f);
                        deathTimers.put(playerId, new BukkitRunnable() {
                            @Override
                            public void run() {
                                if (hungerLevels.getOrDefault(playerId, maxHunger) == 0) {
                                    player.setHealth(0);
                                }
                                deathTimers.remove(playerId);
                            }
                        }.runTaskLater(plugin, 20L * deathDelay));
                    } else if (hunger >= maxHunger && canSendMessage(playerId) && !criticalMessageOnly) {
                        player.sendMessage(ChatColor.translateAlternateColorCodes('&', ((SurvivalMechanics) plugin).getLangConfig().getString("hunger.fed", "§aDu fühlst dich satt und gestärkt!")));
                        player.getWorld().playSound(player.getLocation(), "entity.player.levelup", 1.0f, 1.0f);
                        setLastMessageTime(playerId);
                    }
                }
            }
        }.runTaskTimer(plugin, 0L, 20L * 60); // Alle 60 Sekunden
    }

    @EventHandler
    public void onPlayerInteract(PlayerInteractEvent event) {
        Player player = event.getPlayer();
        UUID playerId = player.getUniqueId();
        if (event.hasItem() && foodItems.contains(event.getItem().getType().toString())) {
            int hunger = hungerLevels.getOrDefault(playerId, maxHunger);
            hunger = Math.min(maxHunger, hunger + foodRecoveryRate);
            hungerLevels.put(playerId, hunger);
            event.getItem().setAmount(event.getItem().getAmount() - 1);
            if (particleEffect) {
                player.getWorld().spawnParticle(org.bukkit.Particle.HEART, player.getLocation().add(0, 1, 0), 5);
            }
            if (canSendMessage(playerId) && !criticalMessageOnly) {
                player.sendMessage(ChatColor.translateAlternateColorCodes('&', ((SurvivalMechanics) plugin).getLangConfig().getString("hunger.fed", "§aDu fühlst dich satt und gestärkt!")));
                player.getWorld().playSound(player.getLocation(), "entity.player.levelup", 1.0f, 1.0f);
                setLastMessageTime(playerId);
            }
            if (deathTimers.containsKey(playerId)) {
                deathTimers.get(playerId).cancel();
                deathTimers.remove(playerId);
            }
        }
    }

    @EventHandler
    public void onPlayerToggleSprint(PlayerToggleSprintEvent event) {
        if (event.isSprinting()) {
            Player player = event.getPlayer();
            UUID playerId = player.getUniqueId();
            int hunger = hungerLevels.getOrDefault(playerId, maxHunger);
            hunger = Math.max(0, hunger - (int) (decreaseRate * sprintMultiplier));
            hungerLevels.put(playerId, hunger);
            if (hunger <= criticalThreshold && hunger > 0 && canSendMessage(playerId)) {
                player.damage(damage);
                player.sendMessage(ChatColor.translateAlternateColorCodes('&', ((SurvivalMechanics) plugin).getLangConfig().getString("hunger.critical", "§4Dein Körper schwächt durch Hunger!")));
                player.getWorld().playSound(player.getLocation(), "entity.player.hurt", 1.0f, 1.0f);
                setLastMessageTime(playerId);
            }
        }
    }

    @EventHandler
    public void onEntityDamageByEntity(EntityDamageByEntityEvent event) {
        if (event.getEntity() instanceof Player) {
            Player player = (Player) event.getEntity();
            UUID playerId = player.getUniqueId();
            int hunger = hungerLevels.getOrDefault(playerId, maxHunger);
            hunger = Math.max(0, hunger - (int) (decreaseRate * combatMultiplier));
            hungerLevels.put(playerId, hunger);
            if (hunger <= criticalThreshold && hunger > 0 && canSendMessage(playerId)) {
                player.damage(damage);
                player.sendMessage(ChatColor.translateAlternateColorCodes('&', ((SurvivalMechanics) plugin).getLangConfig().getString("hunger.critical", "§4Dein Körper schwächt durch Hunger!")));
                player.getWorld().playSound(player.getLocation(), "entity.player.hurt", 1.0f, 1.0f);
                setLastMessageTime(playerId);
            }
        }
    }

    private boolean canSendMessage(UUID playerId) {
        return ((SurvivalMechanics) plugin).canSendMessage(playerId, "hunger");
    }

    private void setLastMessageTime(UUID playerId) {
        ((SurvivalMechanics) plugin).setLastMessageTime(playerId, "hunger");
    }

    public int getHunger(UUID playerId) {
        return hungerLevels.getOrDefault(playerId, maxHunger);
    }

    public void loadHunger(UUID playerId, int hunger) {
        hungerLevels.put(playerId, hunger);
    }

    public List<String> getFoodItems() {
        return foodItems;
    }
}