// Production default for miniapp release / 提审.
// Local Portal debug: set LOCAL_DEV = true, or copy config.local.example.js → config.local.js
const LOCAL_DEV = false;

function createUuid() {
  const bytes = [];
  for (let i = 0; i < 16; i += 1) {
    bytes.push(Math.floor(Math.random() * 256));
  }
  bytes[6] = (bytes[6] & 0x0f) | 0x40;
  bytes[8] = (bytes[8] & 0x3f) | 0x80;
  const hex = bytes.map((byte) => byte.toString(16).padStart(2, '0')).join('');
  return `${hex.slice(0, 8)}-${hex.slice(8, 12)}-${hex.slice(12, 16)}-${hex.slice(16, 20)}-${hex.slice(20)}`;
}

const defaults = {
  API_BASE_URL: LOCAL_DEV ? 'http://127.0.0.1:8081' : 'https://m.tkmind.cn',
  MINIAPP_LOGIN_PATH: '/auth/wechat-miniapp/login',
  SESSION_COOKIE_NAME: 'tkmind_user_session',
  SELECTED_SESSION_KEY: 'tkmind_selected_session_id',
  AGENT_RUN_POLL_MS: 1200,
  AGENT_RUN_MAX_POLLS: 120,
};

let localOverrides = {};
try {
  localOverrides = require('./config.local.js');
} catch {
  // Optional gitignored overrides in utils/config.local.js
}

module.exports = {
  createUuid,
  ...defaults,
  ...localOverrides,
  ...(localOverrides.API_BASE_URL
    ? { API_BASE_URL: String(localOverrides.API_BASE_URL).replace(/\/$/, '') }
    : {}),
};