const { zipCode, areaList, foramtProvince} = require('./area-list.js')
let defaultData = [];

const mCity = {};

const mArea = {};

/**
 * 处理原始地址数据转换成专用数据
 * @param list  原始数据
 * @param init  是否初始化 如传空 已转换过不会再次转换
 * @returns {boolean}
 */
function parseArea(list, init) {
  if (!init && defaultData.length) {
    return true;
  }
  defaultData = list;
  defaultData.forEach(province => {
    if (province.city) {
      province.city.forEach(city => {
        if (city.name !== '其他') {
          if (!mCity[city.name]) {
            mCity[city.name] = [];
          }
          mCity[city.name].push({
            p: province.name,
            c: city.name,
            a: city.area || []
          });
        }
        if (city.area) {
          city.area.forEach(area => {
            if (area !== '其他') {
              if (!mArea[area]) {
                mArea[area] = [];
              }
              mArea[area].push({
                p: province.name,
                c: city.name
              })
            }
          })
        }
      })
    }
  });
}
/**
 * 解析邮编
 * @param
 * @returns <array>
 */
function zipCodeFormat() {
  let list = []
  zipCode.forEach((el) => {
    if (el.child) {
      el.child.forEach((event) => {
        if (event.child) {
          event.child.forEach(element => {
            list.push(element.zipcode)
          })
        }

      })
    }
  })
  return list;
}

//专用数据处理

let zipCodeList = zipCodeFormat();//邮编
parseArea(areaList);//地址

/**
 * 解析
 * @param address 任意地址字符串
 * @returns {{name: string, mobile: string, detail: string, zip_code: string, phone: string}}
 */
function parse(address) {
  address = address || '';
  const parse = {
    name: '',
    mobile: '',
    detail: '',
    zip_code: '',
    phone: ''
  };


  //去除空格...
/*   address = address.replace(/\r\n/g, ' ').replace(/\n/g, ' ').replace(/\t/g, ' ');
  address = address.replace(/\s+/g, ""); */
  //自定义去除关键字，可自行添加
  const search = ['地址', '收货地址', '收货人', '收件人', '收货', '邮编', '电话', '：', ':', '；', ';', '，', ',', '。',' '];
  search.forEach(str => {
    address = address.replace(new RegExp(str, 'g'), ' ')
  });
  //多个空格replace为一个
  address = address.replace(/ {2,}/g, ' ');
  //整理电话格式
  address = address.replace(/(\d{3})-(\d{4})-(\d{4})/g, '$1$2$3');

  address = address.replace(/(\d{3}) (\d{4}) (\d{4})/g, '$1$2$3');

  const mobileReg = /(86-[1][0-9]{10})|(86[1][0-9]{10})|([1][0-9]{10})/g;
  const mobile = mobileReg.exec(address);
  if (mobile) {
    parse.mobile = mobile[0];
    address = address.replace(mobile[0], ' ')
  }
  //电话
  const phoneReg = /(([0-9]{3,4}-)[0-9]{7,8})|([0-9]{12})|([0-9]{11})|([0-9]{10})|([0-9]{9})|([0-9]{8})|([0-9]{7})/g;
  const phone = phoneReg.exec(address);
  if (phone) {
    parse.phone = phone[0];
    address = address.replace(phone[0], ' ')
  }

  //邮编(加入门牌号；考虑到重复邮编问题；去除之前简单的六位数字校验)

  for (let index = 0; index < zipCodeList.length; index++) {
    if (address.indexOf(zipCodeList[index]) != -1) {
      let num = address.indexOf(zipCodeList[index]);
      let code = address.slice(num, num + 6);
      parse.zip_code = code;
      address = address.replace(code, '')
    }
  }


  /*   废弃
    const zipReg = /([0-9]{6})/g;
    const zip = zipReg.exec(address);
    if (zip) {
      parse.zip_code = zip[0];
      address = address.replace(zip[0], '')
    } 
  */

  address = address.replace(/ {2,}/, ' ');

  let detail = detail_parse_forward(address.trim());
  var ignoreArea = detail.province;
  if (!detail.city) {
    detail = detail_parse(address.trim());
    if (detail.area && !detail.city) {
      detail = detail_parse(address.trim(), {
        ignoreArea: true
      });
      console.log('smart_parse->ignoreArea（忽略区）');
    } else {
      // console.log('smart_parse');
    }
    //这个待完善
    const list = address.replace(detail.province, '').replace(detail.city, '').replace(detail.area, '').split(' ').filter(str => str);
    //详细住址划分关键字
    //注意：只需要填写关键字最后一位即可：比如单元填写元即可！
    const address_detail_list = ['室', '楼', '元', '号', '幢', '门', '户'];
    if (list.length > 1) {
      list.forEach(str => {
        if (!parse.name || str && str.length < parse.name.length) {
          parse.name = str.trim()
        }
      });
      if (parse.name) {
        detail.addr = detail.addr.replace(parse.name, '').trim()
      }
    } else {//若名字写在详细地址后面，根据address_detail_list进行分割；
      let key = [];
      address_detail_list.forEach((el) => {
        key.push(detail.addr.indexOf(el))
      })
      var max = key.sort(function (a, b) {
        return b - a;
      })[0];
      if (detail.name) {
        parse.name = detail.name
      }
      if (max != -1) {
        let addrBuild = detail.addr.slice(0, max + 1);
        let addrNum = detail.addr.replace(addrBuild, '').replace(/[^0-9]+/g, '');
        let userName = detail.addr.replace(addrBuild + addrNum, '')
        detail.addr = addrBuild + addrNum
        parse.name = userName
      }
    }
  } else {
    if (detail.name) {
      parse.name = detail.name
    } else {
      const list = detail.addr.split(' ').filter(str => str);
      if (list.length > 1) {
        parse.name = list[list.length - 1]
      }
      if (parse.name) {
        detail.addr = detail.addr.replace(parse.name, '').trim()
      }
    }
  }
  parse.province = detail.province == '' ? ignoreArea : detail.province;
  parse.city = detail.city;
  parse.area = detail.area;
  parse.addr = detail.addr;
  parse.result = detail.result;
  //添加省以及市（2019.6.21）输出字段后填入省市等等
  foramtProvince.forEach(el => {
    if (el.name.indexOf(parse.province) == 0) {
      parse.province = el.name
    }
  })
  zipCode.forEach(provice => {
    if (parse.province.indexOf(provice.name) == 0) {
      provice.child.forEach(city => {
        if (city.name.indexOf(parse.city) == 0) {
          parse.city = city.name
        }
      })
    }
   
  })
  
  return parse;
}

/**
 * 正向解析模式
 * 从前到后按 province city addr 逐级筛选
 * 有city的值即可说明解析成功
 * 此模式对地址顺序有要求
 * @param address
 * @returns {{province: string, city: string, area: string, addr: string}}
 */
function detail_parse_forward(address) {
  const parse = {
    province: '',
    city: '',
    area: '',
    addr: '',
    name: '',
  };

  const provinceKey = ['特别行政区', '古自治区', '维吾尔自治区', '壮族自治区', '回族自治区', '自治区', '省省直辖', '省', '市'];
  const cityKey = ['布依族苗族自治州', '苗族侗族自治州', '自治州', '州', '市', '县'];

  for (let i in defaultData) {
    const province = defaultData[i];
    let index = address.indexOf(province.name);
    if (index > -1) {
      if (index > 0) {
        //省份不是在第一位，在省份之前的字段识别为名称
        parse.name = address.substr(0, index).trim();
      }
      parse.province = province.name;
      address = address.substr(index + province.name.length);
      for (let k in provinceKey) {
        if (address.indexOf(provinceKey[k]) === 0) {
          address = address.substr(provinceKey[k].length);
        }
      }
      for (let j in province.city) {
        const city = province.city[j];
        index = address.indexOf(city.name);
        if (index > -1 && index < 3) {
          parse.city = city.name;
          address = address.substr(index + parse.city.length);
          for (let k in cityKey) {
            if (address.indexOf(cityKey[k]) === 0) {
              address = address.substr(cityKey[k].length);
            }
          }
          if (city.area) {
            for (let k in city.area) {
              const area = city.area[k];
              index = address.indexOf(area);
              if (index > -1 && index < 3) {
                parse.area = area;
                address = address.substr(index + parse.area.length);
                break;
              }
            }
          }
          break;
        }
      }
      parse.addr = address.trim();
      break;
    }
  }
  return parse;
}

/**
 * 逆向解析 从后【县，区，旗】往前解析
 * 有地区就能大概返回地址了
 * @param address
 * @param ignoreArea 是否忽视区 因为地址中含有区容易导致匹配错误 例：山东省蓬莱市黄海花园东区西门宝威学堂 曲荣声收15753572456
 * @returns {{province: string, city: string, area: string, name: string, _area: string, addr: string}}
 */
function detail_parse(address, {
  ignoreArea = false
} = {}) {
  const parse = {
    province: '',
    city: '',
    area: '',
    name: '',
    _area: '',
    addr: '',
  };
  let areaIndex = -1,
    cityIndex = -1;

  address = address.replace('  ', ' ');

  if (!ignoreArea && address.indexOf('县') > -1 || !ignoreArea && address.indexOf('区') > -1 || !ignoreArea && address.indexOf('旗') > -1) {
    if (address.indexOf('旗') > -1) {
      areaIndex = address.indexOf('旗');
      parse.area = address.substr(areaIndex - 1, 2);
    }
    if (address.indexOf('区') > -1) {
      areaIndex = address.indexOf('区');
      if (address.lastIndexOf('市', areaIndex) > -1) {
        cityIndex = address.lastIndexOf('市', areaIndex);
        parse.area = address.substr(cityIndex + 1, areaIndex - cityIndex);
      } else {
        parse.area = address.substr(areaIndex - 2, 3);
      }
    }
    if (address.indexOf('县') > -1) {
      areaIndex = address.lastIndexOf('县');
      if (address.lastIndexOf('市', areaIndex) > -1) {
        cityIndex = address.lastIndexOf('市', areaIndex);
        parse.area = address.substr(cityIndex + 1, areaIndex - cityIndex);
      } else {
        parse.area = address.substr(areaIndex - 2, 3);
      }
    }
    parse.addr = address.substr(areaIndex + 1);

  } else {
    if (address.indexOf('市') > -1) {
      areaIndex = address.indexOf('市');
      console.log(address.split(" "))
      if (address.split(" ")[0].indexOf("市") > -1) {
        let areindex = address.split(" ")[0].indexOf("市")
        parse.area = address.split(" ")[0].substr(0, areindex + 1);
        parse.addr = address.split(" ")[0].substr(areindex + 1);
        parse.name  = address.split(" ")[1]
      } else {
        let areindex = address.split(" ")[1].indexOf("市")
        parse.area = address.split(" ")[1].substr(0, areindex + 1);
        parse.addr = address.split(" ")[1].substr(areindex + 1);
        parse.name  = address.split(" ")[0]
      }
    } else {
      parse.addr = address
    }
  }

  if (address.indexOf('市') > -1 || address.indexOf('盟') > -1 || address.indexOf('州') > -1) {
    if (address.indexOf('市') > -1) {
      parse._area = address.substr(address.indexOf('市') - 2, 2);
    }
    if (address.indexOf('盟') > -1 && !mCity[parse._area]) {
      parse._area = address.substr(address.indexOf('盟') - 2, 2);
    }
    if (address.indexOf('州') > -1 && !mCity[parse._area]) {
      parse._area = address.substr(address.indexOf('州') - 2, 2);
    }
  }

  parse.area = parse.area.trim();
  if (parse.area && mArea[parse.area]) {
    if (mArea[parse.area].length === 1) {
      parse.province = mArea[parse.area][0].p;
      parse.city = mArea[parse.area][0].c
    } else {
      parse._area = parse._area.trim();
      const addr = address.substr(0, areaIndex);
      const d = mArea[parse.area].find(item => {
        return item.p.indexOf(addr) > -1 || item.c === parse._area;
      });
      if (d) {
        parse.province = d.p;
        parse.city = d.c
      } else {
        parse.result = mArea[parse.area];
      }
    }
  } else {
    if (parse._area) {
      const city = mCity[parse._area];
      if (city) {
        parse.province = city[0].p;
        parse.city = city[0].c;
        parse.addr = address.substr(address.indexOf(parse.city) + parse.city.length + 1);
        parse.area = '';
        for (let i in city[0].a) {
          if (parse.addr.indexOf(city[0].a[i]) === 0) {
            parse.area = city[0].a[i];
            parse.addr = parse.addr.replace(city[0].a[i], '');
            break;
          }
        }
      }
    } else {
      parse.area = '';
    }
  }
  parse.addr = parse.addr.trim();
  return parse
}

/*export {parseArea}*/

module.exports = parse;