refactor: split main file into smaller modules for better maintainability

backend/core/config.js

@@ -0,0 +1,163 @@
+const fs = require('fs');
+const path = require('path');
+const os = require('os');
+
+function getAppDir() {
+  const home = os.homedir();
+  if (process.platform === 'win32') {
+    return path.join(home, 'AppData', 'Local', 'HytaleF2P');
+  } else if (process.platform === 'darwin') {
+    return path.join(home, 'Library', 'Application Support', 'HytaleF2P');
+  } else {
+    return path.join(home, '.hytalef2p');
+  }
+}
+
+const CONFIG_FILE = path.join(getAppDir(), 'config.json');
+
+function loadConfig() {
+  try {
+    if (fs.existsSync(CONFIG_FILE)) {
+      return JSON.parse(fs.readFileSync(CONFIG_FILE, 'utf8'));
+    }
+  } catch (err) {
+    console.log('Notice: could not load config:', err.message);
+  }
+  return {};
+}
+
+function saveConfig(update) {
+  try {
+    const configDir = path.dirname(CONFIG_FILE);
+    if (!fs.existsSync(configDir)) {
+      fs.mkdirSync(configDir, { recursive: true });
+    }
+    const config = loadConfig();
+    const next = { ...config, ...update };
+    fs.writeFileSync(CONFIG_FILE, JSON.stringify(next, null, 2), 'utf8');
+  } catch (err) {
+    console.log('Notice: could not save config:', err.message);
+  }
+}
+
+function saveUsername(username) {
+  saveConfig({ username: username || 'Player' });
+}
+
+function loadUsername() {
+  const config = loadConfig();
+  return config.username || 'Player';
+}
+
+function saveChatUsername(chatUsername) {
+  saveConfig({ chatUsername: chatUsername || '' });
+}
+
+function loadChatUsername() {
+  const config = loadConfig();
+  return config.chatUsername || '';
+}
+
+function getUuidForUser(username) {
+  const { v4: uuidv4 } = require('uuid');
+  const config = loadConfig();
+  const userUuids = config.userUuids || {};
+
+  if (userUuids[username]) {
+    return userUuids[username];
+  }
+
+  const newUuid = uuidv4();
+  userUuids[username] = newUuid;
+  saveConfig({ userUuids });
+
+  return newUuid;
+}
+
+function saveJavaPath(javaPath) {
+  const trimmed = (javaPath || '').trim();
+  saveConfig({ javaPath: trimmed });
+}
+
+function loadJavaPath() {
+  const config = loadConfig();
+  return config.javaPath || '';
+}
+
+function saveInstallPath(installPath) {
+  const trimmed = (installPath || '').trim();
+  saveConfig({ installPath: trimmed });
+}
+
+function loadInstallPath() {
+  const config = loadConfig();
+  return config.installPath || '';
+}
+
+function saveModsToConfig(mods) {
+  try {
+    let config = loadConfig();
+    config.installedMods = mods;
+    
+    const configDir = path.dirname(CONFIG_FILE);
+    if (!fs.existsSync(configDir)) {
+      fs.mkdirSync(configDir, { recursive: true });
+    }
+    
+    fs.writeFileSync(CONFIG_FILE, JSON.stringify(config, null, 2));
+    console.log('Mods saved to config.json');
+  } catch (error) {
+    console.error('Error saving mods to config:', error);
+  }
+}
+
+function loadModsFromConfig() {
+  try {
+    const config = loadConfig();
+    return config.installedMods || [];
+  } catch (error) {
+    console.error('Error loading mods from config:', error);
+    return [];
+  }
+}
+
+function isFirstLaunch() {
+  const config = loadConfig();
+  
+  if ('hasLaunchedBefore' in config) {
+    return !config.hasLaunchedBefore;
+  }
+  
+  const hasUserData = config.installPath || config.username || config.javaPath || 
+                      config.chatUsername || config.userUuids || 
+                      Object.keys(config).length > 0;
+  
+  if (!hasUserData) {
+    return true;
+  }
+  
+  return true;
+}
+
+function markAsLaunched() {
+  saveConfig({ hasLaunchedBefore: true, firstLaunchDate: new Date().toISOString() });
+}
+
+module.exports = {
+  loadConfig,
+  saveConfig,
+  saveUsername,
+  loadUsername,
+  saveChatUsername,
+  loadChatUsername,
+  getUuidForUser,
+  saveJavaPath,
+  loadJavaPath,
+  saveInstallPath,
+  loadInstallPath,
+  saveModsToConfig,
+  loadModsFromConfig,
+  isFirstLaunch,
+  markAsLaunched,
+  CONFIG_FILE
+};