/**
 * 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);
}
// 手机号正则
export function isValidCNPhoneNumber(phone) {
  const regex = /^1[3-9]\d{9}$/;
  return regex.test(phone);
}
// 身份证号正则
export function isValidCNidCardNumber(idCard) {
  const regex = /(^\d{15}$)|(^\d{18}$)|(^\d{17}(\d|X|x)$)/;
  return regex.test(idCard);
}
// 根据身份证号获取性别和年龄
export function getGenderAndAge(idCard) {
  // 确保身份证号码是18位
  if (idCard.length !== 18) {
    return { error: '身份证号码必须是18位' };
  }
  // 提取出生年月日
  const birthDate = idCard.substr(6, 8); // YYYYMMDD
  const year = birthDate.substr(0, 4);
  const month = birthDate.substr(4, 2);
  const day = birthDate.substr(6, 2);
  const dateOfBirth = new Date(`${year}-${month}-${day}`);
  // 计算年龄
  let age = new Date().getFullYear() - dateOfBirth.getFullYear();
  const m = new Date().getMonth() - dateOfBirth.getMonth();
  if (m < 0 || (m === 0 && new Date().getDate() < dateOfBirth.getDate())) {
    age--;
  }
  // 提取性别
  const gender = idCard.charAt(16) % 2 === 0 ? 1 : 0;
  return { age, gender };
}