const QRCode = require('qrcode');
import {
  visitorRecords
} from '../api/api'
//身份证号校验
const isCardID = (sId) => {
  if (!/(^\d{17}(\d|X|x)$)/.test(sId)) {
    return {
      data: "你输入的身份证长度或格式有误",
      state: false
    };
  }
  //身份证城市
  var aCity = {
    11: "北京",
    12: "天津",
    13: "河北",
    14: "山西",
    15: "内蒙古",
    21: "辽宁",
    22: "吉林",
    23: "黑龙江",
    31: "上海",
    32: "江苏",
    33: "浙江",
    34: "安徽",
    35: "福建",
    36: "江西",
    37: "山东",
    41: "河南",
    42: "湖北",
    43: "湖南",
    44: "广东",
    45: "广西",
    46: "海南",
    50: "重庆",
    51: "四川",
    52: "贵州",
    53: "云南",
    54: "西藏",
    61: "陕西",
    62: "甘肃",
    63: "青海",
    64: "宁夏",
    65: "新疆",
    71: "台湾",
    81: "香港",
    82: "澳门",
    91: "国外"
  };
  if (!aCity[parseInt(sId.substr(0, 2))]) {
    return {
      data: "你的身份证地区有误",
      state: false
    };
  }

  // 出生日期验证
  var sBirthday = (
      sId.substr(6, 4) +
      "-" +
      Number(sId.substr(10, 2)) +
      "-" +
      Number(sId.substr(12, 2))
    ).replace(/-/g, "/"),
    d = new Date(sBirthday);
  if (
    sBirthday !=
    d.getFullYear() + "/" + (d.getMonth() + 1) + "/" + d.getDate()
  ) {
    return {
      data: "身份证上的出生日期有误",
      state: false
    };
  }

  // 身份证号码校验
  var sum = 0,
    weights = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2],
    codes = "10X98765432";
  for (var i = 0; i < sId.length - 1; i++) {
    sum += sId[i] * weights[i];
  }
  var last = codes[sum % 11]; //计算出来的最后一位身份证号码
  if (sId[sId.length - 1] != last) {
    return {
      data: "你输入的身份证号长度或格式有误",
      state: false
    };
  }
  return {
    data: "",
    state: true
  };
};
//手机号校验
const isPhone = phone => {
  if (!/^1[3-9]\d{9}$/.test(phone)) {
    return {
      data: "手机号只能由11位数字组成",
      state: false
    };
  } else {
    return {
      data: "",
      state: true
    };
  }
};

// 获取日期时间
const getDate = data => {
  var date = new Date();
  var y = date.getFullYear();

  var m = date.getMonth() + 1;
  m = m < 10 ? "0" + m : m;
  var d = date.getDate();
  d = d < 10 ? "0" + d : d;
  var h = date.getHours();
  h = h < 10 ? "0" + h : h;
  var minute = date.getMinutes();
  minute = minute < 10 ? "0" + minute : minute;
  var second = date.getSeconds();
  second = second < 10 ? "0" + second : second;
  return y + "-" + m + "-" + d + " " + h + ":" + minute + ":" + second;
}

const getQRCodeUrl = (content, isShow = true) => {
  return new Promise((resolve, reject) => {
    QRCode.toString(content, {
      type: 'png',
    }, function (err, url) {
      let str = (isShow ? 'data:image/svg+xml;base64,' : '') + Buffer(url).toString('base64');
      if (err) {
        reject(err)
      }
      resolve(str)
    });

  })
}

//获得对应时间格式
const formatTime = (time, type) => {
  var date = new Date(time)
  var format = type || 'YYYY-MM-DD HH:NN:SS';
  const year = date.getFullYear();
  const month = (date.getMonth() + 1) < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1;
  const day = date.getDate() < 10 ? '0' + date.getDate() : date.getDate();
  const hour = date.getHours() < 10 ? '0' + date.getHours() : date.getHours();
  const minute = date.getMinutes() < 10 ? '0' + date.getMinutes() : date.getMinutes();
  const second = date.getSeconds() < 10 ? '0' + date.getSeconds() : date.getSeconds();

  format.indexOf('YYYY') > -1 ? format = format.replace('YYYY', year) : '';
  format.indexOf('MM') > -1 ? format = format.replace('MM', month) : '';
  format.indexOf('DD') > -1 ? format = format.replace('DD', day) : '';
  format.indexOf('HH') > -1 ? format = format.replace('HH', hour) : '';
  format.indexOf('NN') > -1 ? format = format.replace('NN', minute) : '';
  format.indexOf('SS') > -1 ? format = format.replace('SS', second) : '';

  return format;
}

// 重复请求
const repeatedRequest = (url, params, times) => {
  return new Promise(async (resolve, reject) => {
    while (times--) {
      try {
        const res = await visitorRecords(url, params);
        resolve(res);
        break;
      } catch (error) {
        if (times <= 0) {
          reject(error);
        }
      }
    }
  });
}
// 获取地址?后的参数
const getForm = (url) => {
  var theForm = new Object();
  if (url.indexOf("?") != -1) {
    url = url.split('?')[1]
    var str = url.substr(1);
    let strs = str.split("&");
    for (var i = 0; i < strs.length; i++) {
      theForm[strs[i].split("=")[0]] = unescape(strs[i].split("=")[1]);
    }
  }
  return theForm;
}

const getWaterDrop = () => {
  const innerAudioContext = my.createInnerAudioContext();
  innerAudioContext.autoplay = true;
  innerAudioContext.src = 'XNjM3NjQ1MDAwOA==';
  innerAudioContext.play();
}

function desensitization(val = "", start, end) {
  var star = '';
  var string = String(val);

  function makeStar(number) {
    if (number > 0) {
      star += '*';
      return makeStar(--number);
    } else {
      return star;
    }
  };
  return string.substring(0, start) + makeStar(end - start) + string.substring(end);
}
function throttle(func, delay) {
  let lastCall = 0;
  return function (...args) {
    const now = new Date().getTime();
    if (now - lastCall >= delay) {
      lastCall = now;
      func.apply(this, args);
    }
  };
}
function debounce(func, delay) {
  let timeoutId;
  return function (...args) {
    const context = this;
    clearTimeout(timeoutId);
    timeoutId = setTimeout(() => {
      func.apply(context, args);
    }, delay);
  };
}
module.exports = {
  isCardID: isCardID,
  isPhone: isPhone,
  getDate: getDate,
  getQRCodeUrl: getQRCodeUrl,
  formatTime: formatTime,
  repeatedRequest: repeatedRequest,
  getForm: getForm,
  getWaterDrop: getWaterDrop,
  desensitization: desensitization,
  throttle: throttle,
  debounce: debounce
};