// config.js - Environment and constants
const { existsSync, readFileSync } = require("fs");
const { resolve } = require("path");

const envPath = resolve(__dirname, ".env");
if (existsSync(envPath)) {
  for (const line of readFileSync(envPath, "utf-8").split("\n")) {
    const m = line.match(/^\s*([A-Z_][A-Z0-9_]*)\s*=\s*(.+?)\s*$/);
    if (m && !process.env[m[1]]) process.env[m[1]] = m[2];
  }
}

module.exports = {
  TG_TOKEN: process.env.TG_BOT_TOKEN || "",
  ALLOWED_IDS: (process.env.TG_ALLOWED_CHAT_IDS || "")
    .split(",").map((s) => s.trim()).filter(Boolean).map(Number),
  WRITE_PORT: parseInt(process.env.WRITE_PORT || "8016", 10),
  CONTROL_PORT: parseInt(process.env.BOT_PORT || "8017", 10),
  PREFER_IFACE: process.env.PREFER_IFACE || "WLAN",
  WRITE_DIR: resolve(__dirname, "..", "write"),
};