/*
 * Copyright © 2026 Qiantong Technology Co., Ltd.
 * qModel Model Platform(Open Source Edition)
 *  *
 * License:
 * Released under the Apache License, Version 2.0.
 * You may use, modify, and distribute this software for commercial purposes
 * under the terms of the License.
 *  *
 * Special Notice:
 * All derivative versions are strictly prohibited from modifying or removing
 * the default system logo and copyright information.
 * For brand customization, please apply for brand customization authorization via official channels.
 *  *
 * More information: https://qmodel.qiantong.tech/business.html
 *  *
 * ============================================================================
 *  *
 * 版权所有 © 2026 江苏千桐科技有限公司
 * qModel 模型平台（开源版）
 *  *
 * 许可协议：
 * 本项目基于 Apache License 2.0 开源协议发布，
 * 允许在遵守协议的前提下进行商用、修改和分发。
 *  *
 * 特别说明：
 * 所有衍生版本不得修改或移除系统默认的 LOGO 和版权信息；
 * 如需定制品牌，请通过官方渠道申请品牌定制授权。
 *  *
 * 更多信息请访问：https://qmodel.qiantong.tech/business.html
 */

/**
 * 判断url是否是http或https 
 * @param {string} path
 * @returns {Boolean}
 */
 export function isHttp(url) {
  return url.indexOf('http://') !== -1 || url.indexOf('https://') !== -1
}

/**
 * 判断path是否为外链
 * @param {string} path
 * @returns {Boolean}
 */
 export function isExternal(path) {
  return /^(https?:|mailto:|tel:)/.test(path)
}

/**
 * @param {string} str
 * @returns {Boolean}
 */
export function validUsername(str) {
  const valid_map = ['admin', 'editor']
  return valid_map.indexOf(str.trim()) >= 0
}

/**
 * @param {string} url
 * @returns {Boolean}
 */
export function validURL(url) {
  const reg = /^(https?|ftp):\/\/([a-zA-Z0-9.-]+(:[a-zA-Z0-9.&%$-]+)*@)*((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]?)(\.(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])){3}|([a-zA-Z0-9-]+\.)*[a-zA-Z0-9-]+\.(com|edu|gov|int|mil|net|org|biz|arpa|info|name|pro|aero|coop|museum|[a-zA-Z]{2}))(:[0-9]+)*(\/($|[a-zA-Z0-9.,?'\\+&%$#=~_-]+))*$/
  return reg.test(url)
}

/**
 * @param {string} str
 * @returns {Boolean}
 */
export function validLowerCase(str) {
  const reg = /^[a-z]+$/
  return reg.test(str)
}

/**
 * @param {string} str
 * @returns {Boolean}
 */
export function validUpperCase(str) {
  const reg = /^[A-Z]+$/
  return reg.test(str)
}

/**
 * @param {string} str
 * @returns {Boolean}
 */
export function validAlphabets(str) {
  const reg = /^[A-Za-z]+$/
  return reg.test(str)
}

/**
 * @param {string} email
 * @returns {Boolean}
 */
export function validEmail(email) {
  const reg = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/
  return reg.test(email)
}

/**
 * @param {string} str
 * @returns {Boolean}
 */
export function isString(str) {
  if (typeof str === 'string' || str instanceof String) {
    return true
  }
  return false
}

/**
 * @param {Array} arg
 * @returns {Boolean}
 */
export function isArray(arg) {
  if (typeof Array.isArray === 'undefined') {
    return Object.prototype.toString.call(arg) === '[object Array]'
  }
  return Array.isArray(arg)
}
