/**
 * Copyright (c) 2023 - present TinyEngine Authors.
 * Copyright (c) 2023 - present Huawei Cloud Computing Technologies Co., Ltd.
 *
 * Use of this source code is governed by an MIT-style license.
 *
 * THE OPEN SOURCE SOFTWARE IN THIS PRODUCT IS DISTRIBUTED IN THE HOPE THAT IT WILL BE USEFUL,
 * BUT WITHOUT ANY WARRANTY, WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR
 * A PARTICULAR PURPOSE. SEE THE APPLICABLE LICENSES FOR MORE DETAILS.
 *
 */

import path from 'path'

// 截取字符串，多余的部分用...代替
export const setString = (str, len) => {
  let StrLen = 0
  let s = ''
  for (let i = 0; i < str.length; i++) {
    if (str.charCodeAt(i) > 128) {
      StrLen += 2
    } else {
      StrLen++
    }
    s += str.charAt(i)
    if (StrLen >= len) {
      return s + '...'
    }
  }
  return s
}

// 格式化设置
export const OptionFormat = (GetOptions) => {
  let options = '{'
  for (let n = 0; n < GetOptions.length; n++) {
    options = options + "'" + GetOptions[n].option_name + "':'" + GetOptions[n].option_value + "'"
    if (n < GetOptions.length - 1) {
      options = options + ','
    }
  }
  return JSON.parse(options + '}')
}

// 数组去重
export const HovercUnique = (arr) => {
  const n = {}
  const r = []
  for (let i = 0; i < arr.length; i++) {
    if (!n[arr[i]]) {
      n[arr[i]] = true
      r.push(arr[i])
    }
  }
  return r
}

// 获取json长度
export const getJsonLength = (jsonData) => {
  return Object.keys(jsonData).length
}

export const getResponseData = (data, error) => {
  const res = {
    data
  }

  if (error) {
    const err_code = error.code
    res.error = {
      code: err_code,
      message: error.message
    }
  }
  return res
}

// 获取数据库路径
export const getDatabasePath = (fileName) => {
  const databasePath = process.env.DATABASE_PATH || path.resolve(__dirname, '../database')
  return path.resolve(databasePath, fileName)
}