package de.nexuslobby.modules.bossbar;

import de.nexuslobby.NexusLobby;
import de.nexuslobby.api.Module;
import me.clip.placeholderapi.PlaceholderAPI;
import org.bukkit.Bukkit;
import org.bukkit.boss.BarColor;
import org.bukkit.boss.BarStyle;
import org.bukkit.boss.BossBar;
import org.bukkit.configuration.file.FileConfiguration;
import org.bukkit.entity.Player;
import org.bukkit.scheduler.BukkitRunnable;

import java.util.List;

public class BossBarModule implements Module {

    private BossBar bossBar;
    private int messageIndex = 0;
    private int charIndex = 0;
    private int pauseCounter = 0;
    private boolean deleting = false;
    private BukkitRunnable task;

    @Override
    public String getName() { return "BossBar"; }

    @Override
    public void onEnable() {
        FileConfiguration vConfig = NexusLobby.getInstance().getVisualsConfig();
        if (!vConfig.getBoolean("bossbar.enabled", true)) return;

        List<String> messages = vConfig.getStringList("bossbar.messages");
        if (messages.isEmpty()) return;

        String configColor = vConfig.getString("bossbar.color", "YELLOW").toUpperCase();
        String configStyle = vConfig.getString("bossbar.style", "SOLID").toUpperCase();

        BarColor barColor;
        try {
            if (configColor.equals("GOLD")) configColor = "YELLOW";
            barColor = BarColor.valueOf(configColor);
        } catch (IllegalArgumentException e) {
            barColor = BarColor.YELLOW;
        }

        BarStyle barStyle;
        try {
            barStyle = BarStyle.valueOf(configStyle);
        } catch (IllegalArgumentException e) {
            barStyle = BarStyle.SOLID;
        }

        bossBar = Bukkit.createBossBar("", barColor, barStyle);
        bossBar.setVisible(true);

        startTypewriterTask(messages, vConfig);
    }

    private void startTypewriterTask(List<String> messages, FileConfiguration vConfig) {
        task = new BukkitRunnable() {
            @Override
            public void run() {
                for (Player player : Bukkit.getOnlinePlayers()) {
                    if (!bossBar.getPlayers().contains(player)) {
                        bossBar.addPlayer(player);
                    }
                }

                String currentFullMessage = messages.get(messageIndex);
                currentFullMessage = replacePlaceholders(currentFullMessage);

                if (!deleting) {
                    if (charIndex < currentFullMessage.length()) {
                        charIndex++;
                    } else {
                        pauseCounter++;
                        // Nutzt den Wert aus visuals.yml
                        int pauseTime = vConfig.getInt("bossbar.pause-seconds", 4) * 7;
                        if (pauseCounter > pauseTime) { 
                            deleting = true;
                            pauseCounter = 0;
                        }
                    }
                } else {
                    if (charIndex > 0) {
                        charIndex--;
                    } else {
                        deleting = false;
                        messageIndex = (messageIndex + 1) % messages.size();
                    }
                }

                if (charIndex > 0 && charIndex <= currentFullMessage.length()) {
                    String displayedText = currentFullMessage.substring(0, charIndex);
                    bossBar.setTitle(colorize(displayedText));
                } else if (charIndex == 0) {
                    bossBar.setTitle("");
                }
                
                double progress = (double) charIndex / Math.max(1, currentFullMessage.length());
                bossBar.setProgress(Math.min(1.0, progress));
            }
        };
        task.runTaskTimer(NexusLobby.getInstance(), 0L, 3L);
    }

    private String replacePlaceholders(String text) {
        text = text.replace("{online}", String.valueOf(Bukkit.getOnlinePlayers().size()));
        if (Bukkit.getPluginManager().getPlugin("PlaceholderAPI") != null) {
            text = PlaceholderAPI.setPlaceholders(null, text);
        }
        return text;
    }

    private String colorize(String s) {
        return s == null ? "" : s.replace("&", "§");
    }

    @Override
    public void onDisable() {
        if (task != null) task.cancel();
        if (bossBar != null) {
            bossBar.removeAll();
        }
    }
}