const WXAPI = require('apifm-wxapi')
var addressList = []; //地址列表

var smartObj = {};
/**
 * 解析邮编
 * @param event识别的地址
 * @returns <obj>
 */
async function smart(event) {
  console.log('event1', event);
  event = stripscript(event); //过滤特殊字符
  console.log('event2', event);
  let obj = {};
  let copyaddress = JSON.parse(JSON.stringify(event));
  console.log('copyaddress', copyaddress);
  copyaddress = copyaddress.split(" ");
  console.log('地址转为数组:', copyaddress);
  for (let index = 0; index < copyaddress.length; index++) {
    const res = copyaddress[index];
    if (res) {
      if (res.length == 1) {
        res += "XX"; // 过滤掉一位的名字或者地址
      }
      let addressObj = await smatrAddress(res);
      obj = Object.assign(obj, addressObj);
      if (JSON.stringify(addressObj) === "{}") {
        obj.name = res.replace("XX", "");
      }
    }
  }
  return obj;
}
async function smatrAddress(event) {
  smartObj = {};
  let address = event;
  //address=  event.replace(/\s/g, ''); //去除空格
  address = stripscript(address); //过滤特殊字符
  //身份证号匹配
  if (IdentityCodeValid(address)) {
    smartObj.idCard = address;
    address = address.replace(address, "");
  }

  //电话匹配
  let phone = address.match(
    /(86-[1][0-9]{10}) | (86[1][0-9]{10})|([1][0-9]{10})/g
  );
  if (phone) {
    smartObj.phone = phone[0];
    address = address.replace(phone[0], "");
  }
  console.log('smatrAddress:', address);
  let matchAddress = "";
  //省匹配 比如输入北京市朝阳区，会用北  北京  北京市 北京市朝 以此类推在addressList里的province中做匹配，会得到北京市  河北省 天津市等等；
  const resProvince = await WXAPI.province()
  const provinceList = resProvince.data

  let matchProvince = []; //粗略匹配上的省份
  // for (let begIndex = 0; begIndex < address.length; begIndex++) {
  matchAddress = "";
  for (let endIndex = 0; endIndex < address.length; endIndex++) {
    //  if (endIndex > begIndex) {
    matchAddress = address.slice(0, endIndex + 2);
    provinceList.forEach(res => {
      if (res.name.indexOf(matchAddress) != -1) {
        matchProvince.push({
          province: res.name,
          provinceCode: res.id,
          matchValue: matchAddress
        });
      }
    });
    // }
  }
  //  }

  //统计筛选初略统计出的省份
  matchProvince.forEach(res => {
    res.index = 0;
    matchProvince.forEach(el => {
      if (res.province == el.province) {
        el.index++;
        if (res.matchValue.length > el.matchValue.length) {
          el.matchValue = res.matchValue;
        }
      }
    });
  });
  if (matchProvince.length != 0) {
    let province = matchProvince.reduce((p, v) => (p.index < v.index ? v : p));
    smartObj.province = province.province;
    smartObj.provinceCode = province.provinceCode;
    address = address.replace(province.matchValue, "");
  }
  //市查找
  const resCity = await WXAPI.city()
  let cityList = resCity.data
  if (smartObj.provinceCode) {
    cityList = resCity.data.filter(ele => {
      return ele.pid == smartObj.provinceCode
    })
  }

  let matchCity = []; //粗略匹配上的市
  matchAddress = "";
  for (let endIndex = 0; endIndex < address.length; endIndex++) {    
    matchAddress = address.slice(0, endIndex + 2)
    cityList.forEach(res => {
      if (res.name.indexOf(matchAddress) != -1) {
        matchCity.push({
          city: res.name,
          cityCode: res.id,
          pid: res.pid,
          matchValue: matchAddress,
          province: smartObj.province,
          provinceCode: smartObj.provinceCode
        });
      }
    });
  }

  //统计筛选初略统计出的市
  matchCity.forEach(res => {
    res.index = 0;
    matchCity.forEach(el => {
      if (res.city == el.city) {
        el.index++;
        if (res.matchValue.length > el.matchValue.length) {
          el.matchValue = res.matchValue;
        }
      }
    });
  });
  // 直辖市处理
  if (smartObj.province == '北京市') {
    matchCity.push({
      city: '北京市',
      cityCode: '110100000000',
      matchValue: '',
      province: smartObj.province,
      provinceCode: smartObj.provinceCode
    });
  }
  if (smartObj.province == '上海市') {
    matchCity.push({
      city: '上海市',
      cityCode: '310100000000',
      matchValue: '',
      province: smartObj.province,
      provinceCode: smartObj.provinceCode
    });
  }
  if (smartObj.province == '天津市') {
    matchCity.push({
      city: '天津市',
      cityCode: '120100000000',
      matchValue: '',
      province: smartObj.province,
      provinceCode: smartObj.provinceCode
    });
  }
  if (smartObj.province == '重庆市') {
    matchCity.push({
      city: '重庆市',
      cityCode: '500100000000',
      matchValue: '',
      province: smartObj.province,
      provinceCode: smartObj.provinceCode
    });
  }
  if (matchCity.length != 0) {
    let city = matchCity.reduce((p, v) => (p.index < v.index ? v : p));
    smartObj.city = city.city;
    smartObj.cityCode = city.cityCode;
    // smartObj.county = city.county;
    // smartObj.countyCode = city.countyCode;
    if (!smartObj.province) {
      const _province = provinceList.find(ele => {
        return ele.id == city.pid
      })
      smartObj.province = _province.name;
      smartObj.provinceCode = city.pid;
    }
    address = address.replace(city.matchValue, "");
  }

  //区县查找
  const resDistricts = await WXAPI.districts()
  let districtList = resDistricts.data
  if (smartObj.cityCode) {
    districtList = resDistricts.data.filter(ele => {
      return ele.pid == smartObj.cityCode
    })
  }
  console.log('smartObj', smartObj);
  let matchCounty = []; //粗略匹配上的区县
  matchAddress = "";
  for (let endIndex = 0; endIndex < address.length; endIndex++) {
    matchAddress = address.slice(0, endIndex + 2);
    districtList.forEach(res => {
      if (res.name.indexOf(matchAddress) != -1) {
        matchCounty.push({
          county: res.name,
          countyCode: res.id,
          city: smartObj.city,
          cityCode: smartObj.cityCode,
          matchValue: matchAddress,
          province: smartObj.province,
          provinceCode: smartObj.provinceCode
        });
      }
    });
  }
  //统计筛选初略统计出的区县
  matchCounty.forEach(res => {
    res.index = 0;
    matchCounty.forEach(el => {
      if (res.city == el.city) {
        el.index++;
        if (res.matchValue.length > el.matchValue.length) {
          el.matchValue = res.matchValue;
        }
      }
    });
  });
  if (matchCounty.length != 0) {
    let city = matchCounty.reduce((p, v) => (p.index < v.index ? v : p));
    smartObj.county = city.county;
    smartObj.countyCode = city.countyCode;
    if (!smartObj.province) {
      smartObj.province = city.province;
      smartObj.provinceCode = city.provinceCode;
    }
    if (!smartObj.city) {
      smartObj.city = city.city;
      smartObj.cityCode = city.cityCode;
    }
    address = address.replace(city.matchValue, "");
  }

  //街道查找
  let matchStreet = []; //粗略匹配上的街道查
  matchAddress = "";
  for (let endIndex = 0; endIndex < address.length; endIndex++) {
    matchAddress = address.slice(0, endIndex + 3);
    addressList.forEach(el => {
      if (el.name == smartObj.province) {
        if (
          smartObj.province == "北京市" ||
          smartObj.province == "天津市" ||
          smartObj.province == "上海市" ||
          smartObj.province == "重庆市"
        ) {
          //nothing
        } else {
          el.children.forEach(element => {
            if (element.name == smartObj.city) {
              element.children.forEach(item => {
                if (item.name == smartObj.county) {
                  item.children.forEach(res => {
                    if (res["street"].indexOf(matchAddress) != -1) {
                      matchStreet.push({
                        street: res.street,
                        streetCode: res.code,
                        matchValue: matchAddress
                      });
                    }
                  });
                }
              });
            }
          });
        }
      }
    });
  }

  //统计筛选初略统计出的区县
  matchStreet.forEach(res => {
    res.index = 0;
    matchStreet.forEach(el => {
      if (res.city == el.city) {
        el.index++;
        if (res.matchValue.length > el.matchValue.length) {
          el.matchValue = res.matchValue;
        }
      }
    });
  });

  if (matchStreet.length != 0) {
    let city = matchStreet.reduce((p, v) => (p.index < v.index ? v : p));
    smartObj.street = city.street;
    smartObj.streetCode = city.streetCode;
    address = address.replace(city.matchValue, "");
  }
  //姓名查找
  if (smartObj.province) {
    smartObj.address = address;
  }

  return smartObj;
}
////过滤特殊字符
function stripscript(s) {
  s = s.replace(/\t/g, " ")
  s = s.replace(/(\d{3})-(\d{4})-(\d{4})/g, "$1$2$3");
  s = s.replace(/(\d{3}) (\d{4}) (\d{4})/g, "$1$2$3");
  var pattern = new RegExp(
    "[`~!@#$^&*()=|{}':;',\\[\\].<>/?~！@#￥……&*（）——|{}【】‘；：”“’。，、？-]"
  );
  var rs = "";
  for (var i = 0; i < s.length; i++) {
    rs = rs + s.substr(i, 1).replace(pattern, " ");
  }
  rs = rs.replace(/[\r\n]/g, "");
  return rs;
}

function IdentityCodeValid(code) {
  let pass;
  var city = {
    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 "
  };
  var tip = "";
  pass = true;

  if (!code || !/^\d{17}(\d|X)$/i.test(code)) {
    tip = "身份证号格式错误";
    pass = false;
  } else if (!city[code.substr(0, 2)]) {
    tip = "地址编码错误";
    pass = false;
  } else {
    //18位身份证需要验证最后一位校验位
    if (code.length == 18) {
      code = code.split("");
      //∑(ai×Wi)(mod 11)
      //加权因子
      var factor = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
      //校验位
      var parity = [1, 0, "X", 9, 8, 7, 6, 5, 4, 3, 2];
      var sum = 0;
      var ai = 0;
      var wi = 0;
      for (var i = 0; i < 17; i++) {
        ai = code[i];
        wi = factor[i];
        sum += ai * wi;
      }
      var last = parity[sum % 11];
      if (parity[sum % 11] != code[17]) {
        tip = "校验位错误";
        pass = false;
      }
    }
  }
  return pass;
}

module.exports = {
  smart: smart
};