const fs = require("fs");
const path = require("path");

const config = {
  dbFile: "./wxbot.db",
  dataDir: "./wxbot-data",
  mediaDir: "./wxbot-data/media",
  cacheDir: "./wxbot-data/cache",
  serve: true,
  httpHost: "127.0.0.1",
  httpPort: 9200,
  baseUrl: "http:127.0.0.1",
  debugMode: false,
  appCode: {},
  appAuthHash: {},
};
const globalData = {
  // 是否有旧的登录数据可重用
  hasSessionData: false,
};

/**
 * 加载配置文件
 * @param file {string}
 */
function loadConfig(file) {
  try {
    const data = JSON.parse(fs.readFileSync(file, { encoding: "utf-8" }));
    Object.assign(config, data);
    if (!data.mediaDir) {
      config.mediaDir = path.join(config.dataDir, "media");
    }
    if (!data.cacheDir) {
      config.cacheDir = path.join(config.dataDir, "cache");
    }
    fs.mkdirSync(config.mediaDir, { recursive: true });
    fs.mkdirSync(config.cacheDir, { recursive: true });
  } catch (e) {
    throw Error("加载配置文件失败：" + e.message);
  }
}

module.exports = {
  globalData,
  config,
  loadConfig,
};