'use strict';

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

const IS_WINDOWS = process.platform === 'win32';

function windowsProgramData() {
  return process.env.PROGRAMDATA || 'C:\\ProgramData';
}

function getConfigDir() {
  if (process.env.CLAWD_CONFIG_DIR) return process.env.CLAWD_CONFIG_DIR;
  if (IS_WINDOWS) return path.join(windowsProgramData(), 'OpenClaw', 'clawd');
  return process.getuid && process.getuid() === 0
    ? '/etc/clawd'
    : path.join(os.homedir(), '.clawd');
}

function getPersistentFile(name) {
  return path.join(getConfigDir(), name);
}

function getOpenClawConfigCandidates() {
  if (IS_WINDOWS) {
    const candidates = [
      path.join(os.homedir(), '.openclaw', 'openclaw.json'),
      path.join(windowsProgramData(), 'OpenClaw', 'openclaw.json'),
      path.join(windowsProgramData(), 'OpenClaw', 'config', 'openclaw.json'),
    ];
    if (process.env.OPENCLAW_CONFIG) candidates.unshift(process.env.OPENCLAW_CONFIG);
    return candidates;
  }

  return [
    path.join(os.homedir(), '.openclaw', 'openclaw.json'),
    '/home/sts/.openclaw/openclaw.json',
    '/root/.openclaw/openclaw.json',
  ];
}

module.exports = {
  IS_WINDOWS,
  getConfigDir,
  getPersistentFile,
  getOpenClawConfigCandidates,
};