package net.viper.status;

import net.md_5.bungee.api.ProxyServer;
import net.md_5.bungee.api.config.ListenerInfo;
import net.md_5.bungee.api.connection.ProxiedPlayer;
import net.md_5.bungee.api.plugin.Plugin;
import net.viper.status.module.ModuleManager;
import net.viper.status.modules.antibot.AntiBotModule;
import net.viper.status.modules.network.NetworkInfoModule;
import net.viper.status.modules.AutoMessage.AutoMessageModule;
import net.viper.status.modules.customcommands.CustomCommandModule;
import net.viper.status.stats.PlayerStats;
import net.viper.status.stats.StatsModule;
import net.viper.status.modules.verify.VerifyModule;
import net.viper.status.modules.commandblocker.CommandBlockerModule;
import net.viper.status.modules.broadcast.BroadcastModule;
import net.viper.status.modules.chat.ChatModule;


import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.StringReader;
import java.net.ServerSocket;
import java.net.Socket;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.util.*;
import java.util.concurrent.TimeUnit;

/**
 * StatusAPI - zentraler Bungee HTTP-Status- und Broadcast-Endpunkt
 */

public class StatusAPI extends Plugin implements Runnable {

    private Thread thread;
    private int port = 9191;

    private ModuleManager moduleManager;
    private UpdateChecker updateChecker;
    private Properties verifyProperties;

    @Override
    public void onEnable() {
        getLogger().info("StatusAPI Core wird initialisiert...");

        if (!getDataFolder().exists()) {
            getDataFolder().mkdirs();
        }

        // Config mergen/updaten
        mergeVerifyConfig();

        // Port aus verify.properties lesen
        String portStr = verifyProperties != null ? verifyProperties.getProperty("statusapi.port", "9191") : "9191";
        try {
            port = Integer.parseInt(portStr);
        } catch (NumberFormatException e) {
            getLogger().warning("Ungültiger Port in verify.properties, nutze Standard-Port 9191.");
            port = 9191;
        }

        moduleManager = new ModuleManager();

        // Module registrieren
        moduleManager.registerModule(new StatsModule());
        moduleManager.registerModule(new VerifyModule());
        moduleManager.registerModule(new BroadcastModule());
        moduleManager.registerModule(new CommandBlockerModule());
        moduleManager.registerModule(new ChatModule());
        moduleManager.registerModule(new AntiBotModule());
        moduleManager.registerModule(new NetworkInfoModule());
        moduleManager.registerModule(new AutoMessageModule());
        moduleManager.registerModule(new CustomCommandModule());
        
        try {
            Class<?> forumBridge = Class.forName("net.viper.status.modules.forum.ForumBridgeModule");
            Object forumBridgeInstance = forumBridge.getDeclaredConstructor().newInstance();
            moduleManager.registerModule((net.viper.status.module.Module) forumBridgeInstance);
        } catch (Exception e) {
            getLogger().warning("ForumBridgeModule konnte nicht geladen werden: " + e.getMessage());
        }

        moduleManager.enableAll(this);

        // WebServer starten
        getLogger().info("Starte Web-Server auf Port " + port + "...");
        thread = new Thread(this, "StatusAPI-HTTP-Server");
        thread.start();

        // Update System
        String currentVersion = getDescription() != null ? getDescription().getVersion() : "0.0.0";
        updateChecker = new UpdateChecker(this, currentVersion, 6);
        // ...fileDownloader entfernt...

        checkAndMaybeUpdate();
        ProxyServer.getInstance().getScheduler().schedule(this, this::checkAndMaybeUpdate, 6, 6, TimeUnit.HOURS);
    }

    @Override
    public void onDisable() {
        getLogger().info("Stoppe Module...");
        if (moduleManager != null) {
            moduleManager.disableAll(this);
        }

        getLogger().info("Stoppe Web-Server...");
        if (thread != null) {
            thread.interrupt();
            try { thread.join(1000); } catch (InterruptedException ignored) {}
        }
    }

    /**
     * Hilfsmethode um Property-Werte zu bereinigen (unescape).
     * Entfernt z.B. den Backslash vor URLs wie https\://
     */
    private String unescapePropertiesString(String input) {
        if (input == null) return null;
        try {
            Properties p = new Properties();
            p.load(new StringReader("dummy=" + input));
            return p.getProperty("dummy");
        } catch (IOException e) {
            return input; // Fallback, falls Parsing fehlschlägt
        }
    }

    // --- MERGE LOGIK ---
    private void mergeVerifyConfig() {
        try {
            File file = new File(getDataFolder(), "verify.properties");
            verifyProperties = new Properties();
            if (file.exists()) {
                try (FileInputStream fis = new FileInputStream(file)) {
                    verifyProperties.load(fis);
                }
                getLogger().info("verify.properties geladen.");
            } else {
                getLogger().warning("verify.properties nicht gefunden.");
            }
        } catch (IOException e) {
            getLogger().severe("Fehler beim Laden der verify.properties: " + e.getMessage());
        }
    }

    public Properties getVerifyProperties() {
        synchronized (this) {
            return verifyProperties;
        }
    }

    public ModuleManager getModuleManager() {
        return moduleManager;
    }

    // --- Update Logik ---
    private void checkAndMaybeUpdate() {
        try {
            updateChecker.checkNow();
            String currentVersion = getDescription() != null ? getDescription().getVersion() : "0.0.0";

            if (updateChecker.isUpdateAvailable(currentVersion)) {
                String newVersion = updateChecker.getLatestVersion();
                String url = updateChecker.getLatestUrl();
                getLogger().warning("----------------------------------------");
                getLogger().warning("Neue Version verfügbar: " + newVersion);
                getLogger().warning("Starte automatisches Update...");
                getLogger().warning("----------------------------------------");

                File pluginFile = getFile();
                File newFile = new File(pluginFile.getParentFile(), "StatusAPI.jar.new");

                // ...fileDownloader entfernt...
            }
        } catch (Exception e) {
            getLogger().severe("Fehler beim Update-Check: " + e.getMessage());
        }
    }

    private void triggerUpdateScript(File currentFile, File newFile) {
        try {
            File pluginsFolder = currentFile.getParentFile();
            File rootFolder = pluginsFolder.getParentFile();
            File batFile = new File(rootFolder, "StatusAPI_Update_" + System.currentTimeMillis() + ".bat");

            String batContent = "@echo off\n" +
                    "echo Bitte warten, der Server fährt herunter...\n" +
                    "timeout /t 5 /nobreak >nul\n" +
                    "cd /d \"" + pluginsFolder.getAbsolutePath().replace("\\", "/") + "\"\n" +
                    "echo Fuehre Datei-Tausch durch...\n" +
                    "if exist StatusAPI.jar.bak del StatusAPI.jar.bak\n" +
                    "if exist StatusAPI.jar (\n" +
                    "  ren StatusAPI.jar StatusAPI.jar.bak\n" +
                    ")\n" +
                    "if exist StatusAPI.new.jar (\n" +
                    "  ren StatusAPI.new.jar StatusAPI.jar\n" +
                    "  echo Update erfolgreich!\n" +
                    ") else (\n" +
                    "  echo FEHLER: StatusAPI.new.jar nicht gefunden!\n" +
                    "  pause\n" +
                    ")\n" +
                    "del \"%~f0\"";

            try (PrintWriter out = new PrintWriter(batFile)) { out.println(batContent); }

            for (ProxiedPlayer p : ProxyServer.getInstance().getPlayers()) {
                p.disconnect("§cServer fährt für ein Update neu herunter. Bitte etwas warten.");
            }

            getLogger().info("Starte Update-Skript...");
            Runtime.getRuntime().exec("cmd /c start \"Update_Proc\" \"" + batFile.getAbsolutePath() + "\"");
            ProxyServer.getInstance().stop();

        } catch (Exception e) {
            getLogger().severe("Fehler beim Vorbereiten des Updates: " + e.getMessage());
        }
    }

    // --- WebServer & JSON ---
    @Override
    public void run() {
        try (ServerSocket serverSocket = new ServerSocket(port)) {
            serverSocket.setSoTimeout(1000);
            while (!Thread.interrupted()) {
                try {
                    Socket clientSocket = serverSocket.accept();
                    handleConnection(clientSocket);
                } catch (java.net.SocketTimeoutException e) {}
                catch (IOException e) {
                    getLogger().warning("Fehler beim Akzeptieren einer Verbindung: " + e.getMessage());
                }
            }
        } catch (IOException e) {
            getLogger().severe("Konnte ServerSocket nicht starten: " + e.getMessage());
        }
    }

    private void handleConnection(Socket clientSocket) {

        // (doppelter/fehlerhafter Block entfernt)
        try (BufferedReader in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream(), "UTF-8"));
             OutputStream out = clientSocket.getOutputStream()) {

            String inputLine = in.readLine();
            if (inputLine == null) return;

            String[] reqParts = inputLine.split(" ");
            if (reqParts.length < 2) return;
            String method = reqParts[0].trim();
            String path = reqParts[1].trim();

            Map<String, String> headers = new HashMap<>();
            String line;
            while ((line = in.readLine()) != null && !line.isEmpty()) {
                int idx = line.indexOf(':');
                if (idx > 0) {
                    String key = line.substring(0, idx).trim().toLowerCase(Locale.ROOT);
                    String val = line.substring(idx + 1).trim();
                    headers.put(key, val);
                }
            }

            // --- GET /network/backendguard/config ---
            if ("GET".equalsIgnoreCase(method) && path.equalsIgnoreCase("/network/backendguard/config")) {
                Properties guardProps = loadNetworkGuardProperties();
                String requiredApiKey = guardProps.getProperty("backendguard.sync.api_key", "").trim();
                String providedApiKey = headers.getOrDefault("x-api-key", headers.getOrDefault("x-apikey", ""));

                if (!requiredApiKey.isEmpty() && !requiredApiKey.equals(providedApiKey == null ? "" : providedApiKey.trim())) {
                    sendHttpResponse(out, "{\"success\":false,\"error\":\"bad_api_key\"}", 403);
                    return;
                }

                Map<String, Object> payload = new LinkedHashMap<String, Object>();
                payload.put("success", true);

                Map<String, Object> guard = new LinkedHashMap<String, Object>();
                guard.put("enforcement_enabled", Boolean.parseBoolean(guardProps.getProperty("backendguard.enforcement_enabled", "true")));
                guard.put("log_blocked_attempts", Boolean.parseBoolean(guardProps.getProperty("backendguard.log_blocked_attempts", "true")));
                guard.put("kick_message", guardProps.getProperty("backendguard.kick_message", "&cBitte verbinde dich nur ueber den Proxy."));
                guard.put("allowed_proxy_ips", parseCommaListProperty(guardProps.getProperty("backendguard.allowed_proxy_ips", "127.0.0.1,::1")));
                guard.put("allowed_proxy_cidrs", parseCommaListProperty(guardProps.getProperty("backendguard.allowed_proxy_cidrs", "")));

                payload.put("backend_guard", guard);
                sendHttpResponse(out, buildJsonString(payload), 200);
                return;
            }

            // --- POST /forum/notify ---
            if ("POST".equalsIgnoreCase(method) && path.equalsIgnoreCase("/forum/notify")) {
                int contentLength = 0;
                if (headers.containsKey("content-length")) {
                    try { contentLength = Integer.parseInt(headers.get("content-length")); } catch (NumberFormatException ignored) {}
                }
                char[] bodyChars = new char[Math.max(0, contentLength)];
                if (contentLength > 0) {
                    int read = 0;
                    while (read < contentLength) {
                        int r = in.read(bodyChars, read, contentLength - read);
                        if (r == -1) break;
                        read += r;
                    }
                }
                String body = new String(bodyChars);
                String apiKeyHeader = headers.getOrDefault("x-api-key", headers.getOrDefault("x-apikey", ""));
                Object mod = moduleManager.getModule("ForumBridgeModule");
                if (mod != null) {
                    try {
                        java.lang.reflect.Method m = mod.getClass().getMethod("handleNotify", String.class, String.class);
                        String resp = (String) m.invoke(mod, body, apiKeyHeader);
                        sendHttpResponse(out, resp, 200);
                    } catch (Exception e) {
                        e.printStackTrace();
                        sendHttpResponse(out, "{\"success\":false,\"error\":\"internal\"}", 500);
                    }
                } else {
                    sendHttpResponse(out, "{\"success\":false,\"error\":\"no_forum_module\"}", 500);
                }
                return;
            }

            // --- POST /broadcast/cancel ---
            if ("POST".equalsIgnoreCase(method) && path.equalsIgnoreCase("/network/attack")) {
                int contentLength = 0;
                if (headers.containsKey("content-length")) {
                    try { contentLength = Integer.parseInt(headers.get("content-length")); } catch (NumberFormatException ignored) {}
                }

                char[] bodyChars = new char[Math.max(0, contentLength)];
                if (contentLength > 0) {
                    int read = 0;
                    while (read < contentLength) {
                        int r = in.read(bodyChars, read, contentLength - read);
                        if (r == -1) break;
                        read += r;
                    }
                }

                String body = new String(bodyChars);
                String apiKeyHeader = headers.getOrDefault("x-api-key", headers.getOrDefault("x-apikey", ""));

                NetworkInfoModule mod = (NetworkInfoModule) moduleManager.getModule("NetworkInfoModule");
                if (mod == null || !mod.isEnabled() || !mod.isAttackNotificationsEnabled()) {
                    sendHttpResponse(out, "{\"success\":false,\"error\":\"network_module_disabled\"}", 403);
                    return;
                }

                if (!mod.isAttackApiKeyValid(apiKeyHeader)) {
                    sendHttpResponse(out, "{\"success\":false,\"error\":\"bad_api_key\"}", 403);
                    return;
                }

                String eventType = extractJsonString(body, "event");
                if (eventType == null || eventType.trim().isEmpty()) eventType = "detected";
                String source = extractJsonString(body, "source");

                Integer cps = null;
                Integer blockedIps = null;
                Long blockedConnections = null;

                String cpsStr = extractJsonString(body, "connectionsPerSecond");
                if (cpsStr == null || cpsStr.isEmpty()) cpsStr = extractJsonString(body, "cps");
                try { if (cpsStr != null && !cpsStr.isEmpty()) cps = Integer.valueOf(cpsStr.trim()); } catch (Exception ignored) {}

                String blockedIpsStr = extractJsonString(body, "ipAddressesBlocked");
                if (blockedIpsStr == null || blockedIpsStr.isEmpty()) blockedIpsStr = extractJsonString(body, "blockedIps");
                try { if (blockedIpsStr != null && !blockedIpsStr.isEmpty()) blockedIps = Integer.valueOf(blockedIpsStr.trim()); } catch (Exception ignored) {}

                String blockedConnectionsStr = extractJsonString(body, "connectionsBlocked");
                if (blockedConnectionsStr == null || blockedConnectionsStr.isEmpty()) blockedConnectionsStr = extractJsonString(body, "blockedConnections");
                try { if (blockedConnectionsStr != null && !blockedConnectionsStr.isEmpty()) blockedConnections = Long.valueOf(blockedConnectionsStr.trim()); } catch (Exception ignored) {}

                boolean sent = mod.sendAttackNotification(eventType, cps, blockedIps, blockedConnections, source);
                if (sent) {
                    sendHttpResponse(out, "{\"success\":true}", 200);
                } else {
                    sendHttpResponse(out, "{\"success\":false,\"error\":\"webhook_disabled_or_missing\"}", 400);
                }
                return;
            }

            // --- POST /broadcast/cancel ---
            if ("POST".equalsIgnoreCase(method) && (path.equalsIgnoreCase("/broadcast/cancel") || path.equalsIgnoreCase("/cancel"))) {
                int contentLength = 0;
                if (headers.containsKey("content-length")) {
                    try { contentLength = Integer.parseInt(headers.get("content-length")); } catch (NumberFormatException ignored) {}
                }
                char[] bodyChars = new char[Math.max(0, contentLength)];
                if (contentLength > 0) {
                    int read = 0;
                    while (read < contentLength) {
                        int r = in.read(bodyChars, read, contentLength - read);
                        if (r == -1) break;
                        read += r;
                    }
                }
                String body = new String(bodyChars);
                String clientScheduleId = extractJsonString(body, "clientScheduleId");
                if (clientScheduleId == null || clientScheduleId.isEmpty()) {
                    sendHttpResponse(out, "{\"success\":false,\"error\":\"missing_clientScheduleId\"}", 400);
                    return;
                }
                Object mod = moduleManager.getModule("BroadcastModule");
                if (mod instanceof BroadcastModule) {
                    boolean ok = ((BroadcastModule) mod).cancelScheduled(clientScheduleId);
                    if (ok) sendHttpResponse(out, "{\"success\":true}", 200);
                    else sendHttpResponse(out, "{\"success\":false,\"error\":\"not_found\"}", 404);
                    return;
                } else {
                    sendHttpResponse(out, "{\"success\":false,\"error\":\"no_broadcast_module\"}", 500);
                    return;
                }
            }

            // --- POST /broadcast ---
            if ("POST".equalsIgnoreCase(method) && ("/broadcast".equalsIgnoreCase(path) || "/".equals(path) || path.isEmpty())) {
                int contentLength = 0;
                if (headers.containsKey("content-length")) {
                    try { contentLength = Integer.parseInt(headers.get("content-length")); } catch (NumberFormatException ignored) {}
                }

                char[] bodyChars = new char[Math.max(0, contentLength)];
                if (contentLength > 0) {
                    int read = 0;
                    while (read < contentLength) {
                        int r = in.read(bodyChars, read, contentLength - read);
                        if (r == -1) break;
                        read += r;
                    }
                }
                String body = new String(bodyChars);

                String apiKeyHeader = headers.getOrDefault("x-api-key", headers.getOrDefault("x-apikey", ""));

                String message = extractJsonString(body, "message");
                String type = extractJsonString(body, "type");
                String prefix = extractJsonString(body, "prefix");
                String prefixColor = extractJsonString(body, "prefixColor");
                String bracketColor = extractJsonString(body, "bracketColor");
                String messageColor = extractJsonString(body, "messageColor");
                String sourceName = extractJsonString(body, "source");
                String scheduleTimeStr = extractJsonString(body, "scheduleTime");
                String recur = extractJsonString(body, "recur");
                String clientScheduleId = extractJsonString(body, "clientScheduleId");

                if (sourceName == null || sourceName.isEmpty()) sourceName = "PulseCast";
                if (type == null || type.isEmpty()) type = "global";

                if (scheduleTimeStr != null && !scheduleTimeStr.trim().isEmpty()) {
                    long scheduleMillis = 0L;
                    try {
                        scheduleMillis = Long.parseLong(scheduleTimeStr.trim());
                        if (scheduleMillis < 1_000_000_000_000L) scheduleMillis = scheduleMillis * 1000L;
                    } catch (NumberFormatException ignored) {
                        try {
                            double d = Double.parseDouble(scheduleTimeStr.trim());
                            long v = (long) d;
                            if (v < 1_000_000_000_000L) v = v * 1000L;
                            scheduleMillis = v;
                        } catch (Exception ex) {
                            sendHttpResponse(out, "{\"success\":false,\"error\":\"bad_scheduleTime\"}", 400);
                            return;
                        }
                    }

                    try {
                        Object mod = moduleManager.getModule("BroadcastModule");
                        if (mod instanceof BroadcastModule) {
                            BroadcastModule bm = (BroadcastModule) mod;
                            boolean ok = bm.scheduleBroadcast(scheduleMillis, sourceName, message, type, apiKeyHeader,
                                    prefix, prefixColor, bracketColor, messageColor, (recur == null ? "none" : recur), (clientScheduleId == null ? null : clientScheduleId));

                            if (ok) sendHttpResponse(out, "{\"success\":true}", 200);
                            else sendHttpResponse(out, "{\"success\":false,\"error\":\"rejected\"}", 403);
                            return;
                        } else {
                            sendHttpResponse(out, "{\"success\":false,\"error\":\"no_broadcast_module\"}", 500);
                            return;
                        }
                    } catch (Throwable t) {
                        t.printStackTrace();
                        sendHttpResponse(out, "{\"success\":false,\"error\":\"internal\"}", 500);
                        return;
                    }
                }

                if (message == null || message.isEmpty()) {
                    String resp = "{\"success\":false,\"error\":\"missing_message\"}";
                    sendHttpResponse(out, resp, 400);
                    return;
                }

                try {
                    Object mod = moduleManager.getModule("BroadcastModule");
                    if (mod instanceof BroadcastModule) {
                        BroadcastModule bm = (BroadcastModule) mod;
                        boolean ok = bm.handleBroadcast(sourceName, message, type, apiKeyHeader, prefix, prefixColor, bracketColor, messageColor);

                        if (ok) sendHttpResponse(out, "{\"success\":true}", 200);
                        else sendHttpResponse(out, "{\"success\":false,\"error\":\"rejected\"}", 403);
                        return;
                    } else {
                        sendHttpResponse(out, "{\"success\":false,\"error\":\"no_broadcast_module\"}", 500);
                        return;
                    }
                } catch (Throwable t) {
                    t.printStackTrace();
                    sendHttpResponse(out, "{\"success\":false,\"error\":\"internal\"}", 500);
                    return;
                }
            }

            // --- GET Handler ---
            if (inputLine != null && inputLine.startsWith("GET")) {
                Map<String, Object> data = new LinkedHashMap<>();
                data.put("online", true);

                String versionRaw = ProxyServer.getInstance().getVersion();
                String versionClean = (versionRaw != null && versionRaw.contains(":")) ? versionRaw.split(":")[2].trim() : versionRaw;
                data.put("version", versionClean);
                data.put("max_players", String.valueOf(ProxyServer.getInstance().getConfig().getPlayerLimit()));

                String motd = "BungeeCord";
                try {
                    Iterator<ListenerInfo> it = ProxyServer.getInstance().getConfig().getListeners().iterator();
                    if (it.hasNext()) motd = it.next().getMotd();
                } catch (Exception ignored) {}
                data.put("motd", motd);

                StatsModule statsModule = (StatsModule) moduleManager.getModule("StatsModule");

                boolean luckPermsEnabled = ProxyServer.getInstance().getPluginManager().getPlugin("LuckPerms") != null;
                List<Map<String, Object>> playersList = new ArrayList<>();

                for (ProxiedPlayer p : ProxyServer.getInstance().getPlayers()) {
                    Map<String, Object> playerInfo = new LinkedHashMap<>();
                    playerInfo.put("name", p.getName());
                    try { playerInfo.put("uuid", p.getUniqueId().toString()); } catch (Exception ignored) {}

                    // Floodgate-Bedrock-Erkennung
                    boolean isBedrock = false;
                    String bedrockId = null;
                    try {
                        Class<?> floodgateApi = Class.forName("org.geysermc.floodgate.api.FloodgateApi");
                        Object api = floodgateApi.getMethod("getInstance").invoke(null);
                        isBedrock = (boolean) api.getClass().getMethod("isBedrockPlayer", UUID.class).invoke(api, p.getUniqueId());
                        if (isBedrock) {
                            bedrockId = (String) api.getClass().getMethod("getBedrockId", UUID.class).invoke(api, p.getUniqueId());
                        }
                    } catch (Exception ignored) {}
                    playerInfo.put("isBedrock", isBedrock);
                    if (bedrockId != null) playerInfo.put("bedrockId", bedrockId);

                    String prefix = "";
                    if (luckPermsEnabled) {
                        try {
                            Class<?> providerClass = Class.forName("net.luckperms.api.LuckPermsProvider");
                            Object luckPermsApi = providerClass.getMethod("get").invoke(null);
                            Object userManager = luckPermsApi.getClass().getMethod("getUserManager").invoke(luckPermsApi);
                            Object user = userManager.getClass().getMethod("getUser", UUID.class).invoke(userManager, p.getUniqueId());
                            if (user != null) {
                                Class<?> queryOptionsClass = Class.forName("net.luckperms.api.query.QueryOptions");
                                Object queryOptions = queryOptionsClass.getMethod("defaultContextualOptions").invoke(null);
                                Object cachedData = user.getClass().getMethod("getCachedData").invoke(user);
                                Object metaData = cachedData.getClass().getMethod("getMetaData", queryOptionsClass).invoke(cachedData, queryOptions);
                                Object result = metaData.getClass().getMethod("getPrefix").invoke(metaData);
                                if (result != null) prefix = (String) result;
                            }
                        } catch (Exception ignored) {}
                    }
                    playerInfo.put("prefix", prefix);

                    if (statsModule != null) {
                        PlayerStats ps = statsModule.getManager().getIfPresent(p.getUniqueId());
                        if (ps != null) {
                            playerInfo.put("playtime", ps.getPlaytimeWithCurrentSession());
                            playerInfo.put("joins", ps.joins);
                            playerInfo.put("first_seen", ps.firstSeen);
                            playerInfo.put("last_seen", ps.lastSeen);
                        }
                    }
                    playersList.add(playerInfo);
                }
                data.put("players", playersList);

                NetworkInfoModule networkInfoModule = (NetworkInfoModule) moduleManager.getModule("NetworkInfoModule");
                if (networkInfoModule != null && networkInfoModule.isEnabled()) {
                    data.put("network", networkInfoModule.buildSnapshot());
                }

                AntiBotModule antiBotModule = (AntiBotModule) moduleManager.getModule("AntiBotModule");
                if (antiBotModule != null && antiBotModule.isEnabled()) {
                    data.put("antibot", antiBotModule.buildSnapshot());
                }

                String json = buildJsonString(data);
                byte[] jsonBytes = json.getBytes("UTF-8");
                StringBuilder response = new StringBuilder();
                response.append("HTTP/1.1 200 OK\r\n");
                response.append("Content-Type: application/json; charset=UTF-8\r\n");
                response.append("Access-Control-Allow-Origin: *\r\n");
                response.append("Content-Length: ").append(jsonBytes.length).append("\r\n");
                response.append("Connection: close\r\n\r\n");
                out.write(response.toString().getBytes("UTF-8"));
                out.write(jsonBytes);
                out.flush();
            }
        } catch (Exception e) {
            getLogger().severe("Fehler beim Verarbeiten der Anfrage: " + e.getMessage());
        }
    }

    private String extractJsonString(String json, String key) {
        if (json == null || key == null) return null;
        String search = "\"" + key + "\"";
        int idx = json.indexOf(search);
        if (idx < 0) return null;
        int colon = json.indexOf(':', idx + search.length());
        if (colon < 0) return null;
        int i = colon + 1;
        while (i < json.length() && Character.isWhitespace(json.charAt(i))) i++;
        if (i >= json.length()) return null;
        char c = json.charAt(i);
        if (c == '"') {
            i++;
            StringBuilder sb = new StringBuilder();
            boolean escape = false;
            while (i < json.length()) {
                char ch = json.charAt(i++);
                if (escape) {
                    sb.append(ch);
                    escape = false;
                } else {
                    if (ch == '\\') escape = true;
                    else if (ch == '"') break;
                    else sb.append(ch);
                }
            }
            return sb.toString();
        } else {
            StringBuilder sb = new StringBuilder();
            while (i < json.length()) {
                char ch = json.charAt(i);
                if (ch == ',' || ch == '}' || ch == '\n' || ch == '\r') break;
                sb.append(ch);
                i++;
            }
            return sb.toString().trim();
        }
    }

    private Properties loadNetworkGuardProperties() {
        Properties props = new Properties();
        File file = new File(getDataFolder(), "network-guard.properties");
        if (!file.exists()) {
            return props;
        }

        try (FileInputStream fis = new FileInputStream(file)) {
            props.load(new InputStreamReader(fis, StandardCharsets.UTF_8));
        } catch (Exception e) {
            getLogger().warning("Konnte network-guard.properties nicht laden: " + e.getMessage());
        }
        return props;
    }

    private List<String> parseCommaListProperty(String raw) {
        List<String> out = new ArrayList<String>();
        if (raw == null || raw.trim().isEmpty()) {
            return out;
        }

        String[] parts = raw.split(",");
        for (String p : parts) {
            String trimmed = p == null ? "" : p.trim();
            if (!trimmed.isEmpty()) {
                out.add(trimmed);
            }
        }
        return out;
    }

    private void sendHttpResponse(OutputStream out, String json, int code) throws IOException {
        byte[] jsonBytes = json.getBytes(StandardCharsets.UTF_8);
        StringBuilder response = new StringBuilder();
        response.append("HTTP/1.1 ").append(code).append(" ").append(code == 200 ? "OK" : "ERROR").append("\r\n");
        response.append("Content-Type: application/json; charset=UTF-8\r\n");
        response.append("Access-Control-Allow-Origin: *\r\n");
        response.append("Content-Length: ").append(jsonBytes.length).append("\r\n");
        response.append("Connection: close\r\n\r\n");
        out.write(response.toString().getBytes(StandardCharsets.UTF_8));
        out.write(jsonBytes);
        out.flush();
    }

    private String buildJsonString(Map<String, Object> data) {
        StringBuilder sb = new StringBuilder("{");
        boolean first = true;
        for (Map.Entry<String, Object> entry : data.entrySet()) {
            if (!first) sb.append(",");
            first = false;
            sb.append("\"").append(escapeJson(entry.getKey())).append("\":").append(valueToString(entry.getValue()));
        }
        sb.append("}");
        return sb.toString();
    }

    private String valueToString(Object value) {
        if (value == null) return "null";
        else if (value instanceof Boolean) return value.toString();
        else if (value instanceof Number) return value.toString();
        else if (value instanceof Map) {
            @SuppressWarnings("unchecked")
            Map<String, Object> m = (Map<String, Object>) value;
            return buildJsonString(m);
        } else if (value instanceof List) {
            StringBuilder sb = new StringBuilder("[");
            List<?> list = (List<?>) value;
            for (int i = 0; i < list.size(); i++) {
                if (i > 0) sb.append(",");
                Object item = list.get(i);
                if (item instanceof Map) sb.append(buildJsonString((Map<String, Object>) item));
                else if (item instanceof Number) sb.append(item.toString());
                else sb.append("\"").append(escapeJson(String.valueOf(item))).append("\"");
            }
            sb.append("]");
            return sb.toString();
        }
        else return "\"" + escapeJson(String.valueOf(value)) + "\"";
    }

    private String escapeJson(String s) {
        if (s == null) return "";
        return s.replace("\\", "\\\\").replace("\"", "\\\"").replace("\n", "\\n").replace("\r", "\\r");
    }
}