keyboard-mouse-share/src/config.js

Share keyboard and mouse between Mac and Windows

const fs = require('fs');
const path = require('path');
const os = require('os');

const CONFIG_DIR = path.join(os.homedir(), '.kms');
const CONFIG_FILE = path.join(CONFIG_DIR, 'config.json');

const DEFAULT_CONFIG = {
  mode: null, // "server" or "client"
  port: 5555,
  host: null, // For client mode
  hotkey: 'LEFT CTRL + ENTER', // Ctrl + Enter (fallback)
  screenEdge: 'right', // 'left', 'right', 'top', 'bottom', 'none'
  edgeThreshold: 5, // Pixels from edge to trigger
  autoSwitch: true, // Enable automatic edge switching
  logLevel: 'INFO'
};

class Config {
  constructor() {
    this.config = this.load();
  }

  load() {
    if (!fs.existsSync(CONFIG_FILE)) {
      if (!fs.existsSync(CONFIG_DIR)) {
        fs.mkdirSync(CONFIG_DIR, { recursive: true });
      }
      this.save(DEFAULT_CONFIG);
      return { ...DEFAULT_CONFIG };
    }

    try {
      const data = fs.readFileSync(CONFIG_FILE, 'utf8');
      const config = JSON.parse(data);
      // Merge with defaults for any missing keys
      return { ...DEFAULT_CONFIG, ...config };
    } catch (error) {
      console.error(`Error loading config: ${error.message}`);
      return { ...DEFAULT_CONFIG };
    }
  }

  save(config = null) {
    const configToSave = config || this.config;

    if (!fs.existsSync(CONFIG_DIR)) {
      fs.mkdirSync(CONFIG_DIR, { recursive: true });
    }

    fs.writeFileSync(CONFIG_FILE, JSON.stringify(configToSave, null, 2));
  }

  get(key, defaultValue = null) {
    return this.config[key] !== undefined ? this.config[key] : defaultValue;
  }

  set(key, value) {
    this.config[key] = value;
    this.save();
  }

  update(updates) {
    this.config = { ...this.config, ...updates };
    this.save();
  }

  isConfigured() {
    return this.config.mode !== null;
  }

  isServer() {
    return this.config.mode === 'server';
  }

  isClient() {
    return this.config.mode === 'client';
  }

  getAll() {
    return { ...this.config };
  }
}

module.exports = Config;