// 正则校验
/*
 * 正则库
 */
const regularList = {
  iphone: {
    rule: /^1[3456789]\d{9}$/,
    msg: "请正确输入您的手机号",
  },
  password: {
    rule: /^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{6,16}$/,
    msg: "6-16位字符的密码（数字和字母组成）",
  },
  idCard: {
    rule: /^[1-9]\d{5}[1-9]\d{3}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3}([0-9]|X|x)$/,
    msg: "请正确输入您的身份证号码",
  },
  email: {
    rule: /^[a-z0-9]+([._\\-]*[a-z0-9])*@([a-z0-9]+[-a-z0-9]*[a-z0-9]+.){1,63}[a-z0-9]+$/,
    msg: "请正确输入您的邮箱地址",
  },
  plateNumber: {
    rule: /^[京津沪渝冀豫云辽黑湘皖鲁新苏浙赣鄂桂甘晋蒙陕吉闽贵粤青藏川宁琼使领A-Z]{1}[A-Z]{1}[A-Z0-9]{4}[A-Z0-9挂学警港澳]{1}$/,
    msg: "请正确输入您的车牌号",
  },
  chinese: {
    rule: /^[\u4e00-\u9fa5]+$/,
    msg: "请正确输入中文",
  },
  enCode: {
    // 编码校验
    rule: /^[a-zA-Z0-9]((([a-zA-Z0-9])*[a-zA-Z0-9]?)|(([a-zA-Z0-9]+|\.)*[a-zA-Z0-9]))$/,
    msg: "编码只能输入英文、数字和小数点且小数点不能放在首尾",
  },
  userAccount: {
    // 岗位编码
    rule: /^[A-Za-z0-9]+$/,
    msg: "只能输入数字英文",
  },
  fullName: {
    // 名称
    rule: /^([\u4e00-\u9fa5]|[a-zA-Z0-9])+$/,
    msg: "名称不能含有特殊符号",
  },
  userCode: {
    // 数字编码
    rule: /^([0-9]+)$/,
    msg: "编码只能输入数字",
  },
  allDate: {
    //判断请假时间和小时是否为0.5的倍数
    rule: /^[1-9]\d*\.[5]$|0\.[5]$|\.[0]$|^[1-9]\d*$/,
    msg: "时间只能是整数和0.5的倍数",
  },
  bigInt: {
    // 正整数（不含0）
    rule: /^[1-9]*[1-9][0-9]*$/,
    msg: "请输入正整数",
  },
  filed: {
    // 大小写英文字母、数字、下划线组合，且不能数字、下划线开头
    rule: /^[a-zA-Z]([a-zA-Z0-9_])*$/,
    msg: "只能输入大小写英文字母、数字、下划线组合，且不能数字、下划线开头",
  },
};
export const formValidate = (type, msg) => {
  return (rule, value, callback) => {
    let reg =
      regularList[type] && regularList[type].rule
        ? regularList[type].rule
        : type;
    msg = msg
      ? msg
      : regularList[type] && regularList[type].msg
      ? regularList[type].msg
      : "";
    if (!reg.test(value)) {
      callback(new Error(msg));
    } else {
      callback();
    }
  };
};

// 时间格式转换
/**
 * Parse the time to string
 * @param {(Object|string|number)} time
 * @param {string} cFormat
 * @returns {string | null}
 */
export function parseTime(time, cFormat) {
  if (arguments.length === 0 || !time) {
    return null;
  }
  const format = cFormat || "{y}-{m}-{d} {h}:{i}:{s}";
  let date;
  if (typeof time === "string") {
    if (/^[0-9]+$/.test(time)) {
      // support "1548221490638"
      time = parseInt(time);
    } else {
      // support safari
      // https://stackoverflow.com/questions/4310953/invalid-date-in-safari
      time = time.replace(new RegExp(/-/gm), "/");
    }
  } else {
    if (typeof time === "string" && /^[0-9]+$/.test(time)) {
      time = parseInt(time);
    }
    if (typeof time === "number" && time.toString().length === 10) {
      time = time * 1000;
    }
    date = new Date(time);
  }
  const formatObj = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay(),
  };
  const time_str = format.replace(/{([ymdhisa])+}/g, (result, key) => {
    const value = formatObj[key];
    // Note: getDay() returns 0 on Sunday
    if (key === "a") {
      return ["日", "一", "二", "三", "四", "五", "六"][value];
    }
    return value.toString().padStart(2, "0");
  });
  return time_str;
}

// 更适合用户理解的时间格式转换
/**
 * @param {number} time
 * @param {string} option
 * @returns {string}
 */
export function formatTime(time, option) {
  if (("" + time).length === 10) {
    time = parseInt(time) * 1000;
  } else {
    time = +time;
  }
  const d = new Date(time);
  const now = Date.now();

  const diff = (now - d) / 1000;

  if (diff < 30) {
    return "刚刚";
  } else if (diff < 3600) {
    // less 1 hour
    return Math.ceil(diff / 60) + "分钟前";
  } else if (diff < 3600 * 24) {
    return Math.ceil(diff / 3600) + "小时前";
  } else if (diff < 3600 * 24 * 2) {
    return "1天前";
  }
  if (option) {
    return parseTime(time, option);
  } else {
    return (
      d.getMonth() +
      1 +
      "月" +
      d.getDate() +
      "日" +
      d.getHours() +
      "时" +
      d.getMinutes() +
      "分"
    );
  }
}

// 获取url请求参数
/**
 * @param {string} url
 * @returns {Object}
 */
export function getQueryObject(url) {
  url = url == null ? window.location.href : url;
  const search = url.substring(url.lastIndexOf("?") + 1);
  const obj = {};
  const reg = /([^?&=]+)=([^?&=]*)/g;
  search.replace(reg, (rs, $1, $2) => {
    const name = decodeURIComponent($1);
    let val = decodeURIComponent($2);
    val = String(val);
    obj[name] = val;
    return rs;
  });
  return obj;
}

// 获取字符串长度
/**
 * @param {string} input value
 * @returns {number} output value
 */
export function byteLength(str) {
  // returns the byte length of an utf8 string
  let s = str.length;
  for (var i = str.length - 1; i >= 0; i--) {
    const code = str.charCodeAt(i);
    if (code > 0x7f && code <= 0x7ff) s++;
    else if (code > 0x7ff && code <= 0xffff) s += 2;
    if (code >= 0xdc00 && code <= 0xdfff) i--;
  }
  return s;
}

// 对象转uri编码
/**
 * @param {Object} json
 * @returns {Array}
 */
export function param(json) {
  if (!json) return "";
  return cleanArray(
    Object.keys(json).map((key) => {
      if (json[key] === undefined) return "";
      return encodeURIComponent(key) + "=" + encodeURIComponent(json[key]);
    })
  ).join("&");
}

/**
 * @param {string} url
 * @returns {Object}
 */
export function param2Obj(url) {
  const search = decodeURIComponent(url.split("?")[1]).replace(/\+/g, " ");
  if (!search) {
    return {};
  }
  const obj = {};
  const searchArr = search.split("&");
  searchArr.forEach((v) => {
    const index = v.indexOf("=");
    if (index !== -1) {
      const name = v.substring(0, index);
      const val = v.substring(index + 1, v.length);
      obj[name] = val;
    }
  });
  return obj;
}

// 移除指定元素类名
/**
 * @param {HTMLElement} element
 * @param {string} className
 */
export function toggleClass(element, className) {
  if (!element || !className) {
    return;
  }
  let classString = element.className;
  const nameIndex = classString.indexOf(className);
  if (nameIndex === -1) {
    classString += "" + className;
  } else {
    classString =
      classString.substr(0, nameIndex) +
      classString.substr(nameIndex + className.length);
  }
  element.className = classString;
}

// 获取时间戳
/**
 * @param {string} type
 * @returns {Date}
 */
export function getTime(type) {
  if (type === "start") {
    return new Date().getTime() - 3600 * 1000 * 24 * 90;
  } else {
    return new Date(new Date().toDateString());
  }
}

// 防抖
/**
 * @param {Function} func
 * @param {number} wait
 * @param {boolean} immediate
 * @return {*}
 */
export function debounce(func, wait, immediate) {
  let timeout, args, context, timestamp, result;

  const later = function () {
    // 据上一次触发时间间隔
    const last = +new Date() - timestamp;

    // 上次被包装函数被调用时间间隔 last 小于设定时间间隔 wait
    if (last < wait && last > 0) {
      timeout = setTimeout(later, wait - last);
    } else {
      timeout = null;
      // 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
      if (!immediate) {
        result = func.apply(context, args);
        if (!timeout) context = args = null;
      }
    }
  };

  return function (...args) {
    context = this;
    timestamp = +new Date();
    const callNow = immediate && !timeout;
    // 如果延时不存在，重新设定延时
    if (!timeout) timeout = setTimeout(later, wait);
    if (callNow) {
      result = func.apply(context, args);
      context = args = null;
    }

    return result;
  };
}

// 生成随机字符串
/**
 * @returns {string}
 */
export function createUniqueString() {
  const timestamp = +new Date() + "";
  const randomNum = parseInt((1 + Math.random()) * 65536) + "";
  return (+(randomNum + timestamp)).toString(32);
}

// 指定元素是否存在指定类名
/**
 * Check if an element has a class
 * @param {HTMLElement} elm
 * @param {string} cls
 * @returns {boolean}
 */
export function hasClass(ele, cls) {
  return !!ele.className.match(new RegExp("(\\s|^)" + cls + "(\\s|$)"));
}

// 为指定元素添加类名
/**
 * Add class to element
 * @param {HTMLElement} elm
 * @param {string} cls
 */
export function addClass(ele, cls) {
  if (!hasClass(ele, cls)) ele.className += " " + cls;
}

// 移除指定元素类名
/**
 * Remove class from element
 * @param {HTMLElement} elm
 * @param {string} cls
 */
export function removeClass(ele, cls) {
  if (hasClass(ele, cls)) {
    const reg = new RegExp("(\\s|^)" + cls + "(\\s|$)");
    ele.className = ele.className.replace(reg, " ");
  }
}

// 文件大小展示
export function toFileSize(size) {
  if (size == null || size == "") {
    return "";
  }
  if (size < 1024.0) return jnpf.toDecimal(size) + " 字节";
  else if (size >= 1024.0 && size < 1048576)
    return jnpf.toDecimal(size / 1024.0) + " KB";
  else if (size >= 1048576 && size < 1073741824)
    return jnpf.toDecimal(size / 1024.0 / 1024.0) + " MB";
  else if (size >= 1073741824)
    return jnpf.toDecimal(size / 1024.0 / 1024.0 / 1024.0) + " GB";
}

// url文件下载
export function downloadFile(url, name) {
  if (!url) return;
  const baseUrl = url.indexOf("http") > -1 ? "" : define.comUrl;
  const a = document.createElement("a");
  a.setAttribute("download", "");
  const realUrl = baseUrl + url + (name ? "&name=" + name : "");
  a.setAttribute("href", realUrl);
  a.click();
}

// 字符串是否为空
export function isEmpty(data) {
  return data === null || data === undefined || data === "";
}

// 数组是否为空
export function isEmptyArray(data) {
  return Array.isArray(data) ? data.length === 0 : true;
}

// 最大公约数计算
export const gcd = (x, y) => {
  return x % y === 0 ? y : gcd(y, x % y);
};

//获取当前月份
export const getMonth = () => {
  let date = new Date();
  let year = date.getFullYear();
  let month =
    date.getMonth() + 1 < 10
      ? "0" + (date.getMonth() + 1)
      : date.getMonth() + 1;
  return "" + year + month;
};

// 弹窗形式打开页面
/**
 * @param {Sting} url
 * @param {Sting} title
 * @param {Number} w
 * @param {Number} h
 */
export default function openWindow(url, title, w, h) {
  // Fixes dual-screen position                            Most browsers       Firefox
  const dualScreenLeft =
    window.screenLeft !== undefined ? window.screenLeft : screen.left;
  const dualScreenTop =
    window.screenTop !== undefined ? window.screenTop : screen.top;

  const width = window.innerWidth
    ? window.innerWidth
    : document.documentElement.clientWidth
    ? document.documentElement.clientWidth
    : screen.width;
  const height = window.innerHeight
    ? window.innerHeight
    : document.documentElement.clientHeight
    ? document.documentElement.clientHeight
    : screen.height;

  const left = width / 2 - w / 2 + dualScreenLeft;
  const top = height / 2 - h / 2 + dualScreenTop;
  const newWindow = window.open(
    url,
    title,
    "toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=yes, copyhistory=no, width=" +
      w +
      ", height=" +
      h +
      ", top=" +
      top +
      ", left=" +
      left
  );

  // Puts focus on the newWindow
  if (window.focus) {
    newWindow.focus();
  }
}

// 自动滚动至
Math.easeInOutQuad = function (t, b, c, d) {
  t /= d / 2;
  if (t < 1) {
    return (c / 2) * t * t + b;
  }
  t--;
  return (-c / 2) * (t * (t - 2) - 1) + b;
};
// requestAnimationFrame for Smart Animating http://goo.gl/sx5sts
var requestAnimFrame = (function () {
  return (
    window.requestAnimationFrame ||
    window.webkitRequestAnimationFrame ||
    window.mozRequestAnimationFrame ||
    function (callback) {
      window.setTimeout(callback, 1000 / 60);
    }
  );
})();
/**
 * Because it's so fucking difficult to detect the scrolling element, just move them all
 * @param {number} amount
 */
function move(amount) {
  document.documentElement.scrollTop = amount;
  document.body.parentNode.scrollTop = amount;
  document.body.scrollTop = amount;
}
function position() {
  return (
    document.documentElement.scrollTop ||
    document.body.parentNode.scrollTop ||
    document.body.scrollTop
  );
}

/**
 * @param {number} to
 * @param {number} duration
 * @param {Function} callback
 */
export function scrollTo(to, duration, callback) {
  const start = position();
  const change = to - start;
  const increment = 20;
  let currentTime = 0;
  duration = typeof duration === "undefined" ? 500 : duration;
  var animateScroll = function () {
    // increment the time
    currentTime += increment;
    // find the value with the quadratic in-out easing function
    var val = Math.easeInOutQuad(currentTime, start, change, duration);
    // move the document.body
    move(val);
    // do the animation unless its over
    if (currentTime < duration) {
      requestAnimFrame(animateScroll);
    } else {
      if (callback && typeof callback === "function") {
        // the animation is done so lets callback
        callback();
      }
    }
  };
  animateScroll();
}

// 校验是否为外部链接
/**
 * @param {string} path
 * @returns {Boolean}
 */
export function isExternal(path) {
  return /^(https?:|mailto:|tel:)/.test(path);
}

// 校验是否为url
/**
 * @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);
}

// 校验是否全都是小写
/**
 * @param {string} str
 * @returns {Boolean}
 */
export function validLowerCase(str) {
  const reg = /^[a-z]+$/;
  return reg.test(str);
}

// 校验是否全都是大写
/**
 * @param {string} str
 * @returns {Boolean}
 */
export function validUpperCase(str) {
  const reg = /^[A-Z]+$/;
  return reg.test(str);
}