// https://docs.cfw.lbyczf.com/contents/parser.html#%E8%BF%9B%E9%98%B6%E6%96%B9%E6%B3%95-javascript
module.exports.parse = async(raw, utils, meta) => {
  const { axios, yaml, notify, console } = utils
  const { name, url, interval, selected } = meta
  const obj = yaml.parse(raw)
  try {
    await configPrependRules(utils, obj)
  } catch (e) {
    throw new Error(e)
  }
  return yaml.stringify(obj)
}

// 配置预先规则
async function configPrependRules(utils, obj) {
  const { axios } = utils
  const proxyGroupName = getProxyGroupName(obj)
  const directGroupName = getDirectGroupName(obj)
  try {
    const directResponse = await axios.get('https://git.yevpt.com/vpt/public-data/raw/branch/master/direct')
    const directs = directResponse.data
    const prependDirectRules = directs.split(`\n`).map(item => `DOMAIN-SUFFIX,${item},${directGroupName}`)
    const proxyResponse = await axios.get('https://git.yevpt.com/vpt/public-data/raw/branch/master/proxy')
    const proxys = proxyResponse.data
    const prependProxyRules = proxys.split(`\n`).map(item => `DOMAIN-SUFFIX,${item},${proxyGroupName}`)
    const prependRules = [...prependDirectRules, ...prependProxyRules]
    obj.rules = [...prependRules, ...obj.rules]
  } catch (e) {
    throw new Error(e)
  }
}

// 获取代理组的名称
function getProxyGroupName(obj) {
  return obj['proxy-groups'].find(item => item.name.includes('节点选择')).name
}

// 获取直连组的名称
function getDirectGroupName(obj) {
  return 'DIRECT'
}