const app = getApp();
// 获取用户配置信息
const userConfig = app.globalData.userConfig;

const _locations = [
  {
    label: '上海市',
    value: '31',
    children: [
      {
        label: '上海市',
        value: '3100',
        children: [
          {
            label: '全部区县',
            value: '-3100',
            children: [{ label: '全部街镇', value: '-310000' }],
          },
          {
            label: '金山区',
            value: '310116',
            children: [
              { label: '全部街镇', value: '-310116' },
              { label: '张堰镇', value: '310116103' },
              { label: '亭林镇', value: '310116104' },
              { label: '吕巷镇', value: '310116105' },
              { label: '廊下镇', value: '310116107' },
              { label: '高新区', value: '310116503' },
              { label: '金山卫镇', value: '310116109' },
              { label: '漕泾镇', value: '310116112' },
              { label: '山阳镇', value: '310116113' },
              { label: '石化街道', value: '310116001' },
              { label: '朱泾镇', value: '310116101' },
              { label: '枫泾镇', value: '310116102' },
              { label: '碳谷绿湾', value: '9000' },
            ],
          },
          {
            label: '徐汇区',
            value: '310104',
            children: [
              { label: '全部街镇', value: '-310104' },
              { label: '漕河泾新兴技术开发区', value: '310104501' },
              { label: '湖南路街道', value: '310104004' },
              { label: '天平路街道', value: '310104003' },
              { label: '虹梅路街道', value: '310104012' },
              { label: '枫林路街道', value: '310104008' },
              { label: '斜土路街道', value: '310104007' },
              { label: '长桥街道', value: '310104010' },
              { label: '田林街道', value: '310104011' },
              { label: '康健新村街道', value: '310104013' },
              { label: '徐家汇街道', value: '310104014' },
              { label: '凌云路街道', value: '310104015' },
              { label: '龙华街道', value: '310104016' },
              { label: '漕河泾街道', value: '310104017' },
              { label: '华泾镇', value: '310104103' },
            ],
          },
          {
            label: '静安区',
            value: '310106',
            children: [
              { label: '全部街镇', value: '-310106' },
              { label: '大宁路街道', value: '310106019' },
              { label: '彭浦新村街道', value: '310106020' },
              { label: '临汾路街道', value: '310106021' },
              { label: '芷江西路街道', value: '310106022' },
              { label: '彭浦镇', value: '310106101' },
              { label: '江宁路街道', value: '310106006' },
              { label: '石门二路街道', value: '310106011' },
              { label: '南京西路街道', value: '310106012' },
              { label: '静安寺街道', value: '310106013' },
              { label: '曹家渡街道', value: '310106014' },
              { label: '天目西路街道', value: '310106015' },
              { label: '北站街道', value: '310106016' },
              { label: '宝山路街道', value: '310106017' },
              { label: '共和新路街道', value: '310106018' },
            ],
          },
          {
            label: '普陀区',
            value: '310107',
            children: [
              { label: '全部街镇', value: '-310107' },
              { label: '曹杨新村街道', value: '310107005' },
              { label: '万里街道', value: '310107021' },
              { label: '真如镇街道', value: '310107022' },
              { label: '长征镇', value: '310107102' },
              { label: '桃浦镇', value: '310107103' },
              { label: '石泉路街道', value: '310107017' },
              { label: '甘泉路街道', value: '310107016' },
              { label: '长寿路街道', value: '310107015' },
              { label: '长风新村街道', value: '310107014' },
              { label: '宜川路街道', value: '310107020' },
            ],
          },
          {
            label: '闵行区',
            value: '310112',
            children: [
              { label: '全部街镇', value: '-310112' },
              { label: '江川路街道', value: '310112001' },
              { label: '古美街道', value: '310112006' },
              { label: '新虹街道', value: '310112008' },
              { label: '浦锦街道', value: '310112009' },
              { label: '莘庄镇', value: '310112101' },
              { label: '七宝镇', value: '310112102' },
              { label: '颛桥镇', value: '310112103' },
              { label: '华漕镇', value: '310112106' },
              { label: '虹桥镇', value: '310112107' },
              { label: '梅陇镇', value: '310112108' },
              { label: '吴泾镇', value: '310112110' },
              { label: '马桥镇', value: '310112112' },
              { label: '浦江镇', value: '310112114' },
              { label: '莘庄工业区', value: '310112501' },
            ],
          },
          {
            label: '长宁区',
            value: '310105',
            children: [
              { label: '全部街镇', value: '-310105' },
              { label: '华阳路街道', value: '310105001' },
              { label: '江苏路街道', value: '310105002' },
              { label: '新华路街道', value: '310105004' },
              { label: '周家桥街道', value: '310105005' },
              { label: '天山路街道', value: '310105006' },
              { label: '仙霞新村街道', value: '310105008' },
              { label: '虹桥街道', value: '310105009' },
              { label: '程家桥街道', value: '310105010' },
              { label: '北新泾街道', value: '310105011' },
              { label: '新泾镇', value: '310105102' },
            ],
          },
        ],
      },
    ],
  },
];

var remoteLocations = [];

function locations() {
  if (remoteLocations.length > 0) return remoteLocations;
  if (!userConfig) {
    remoteLocations = _locations;
    return remoteLocations;
  }
  let configList = [
    userConfig.ucProvinceCode,
    userConfig.ucCityCode,
    userConfig.ucDistrictCode,
    userConfig.ucTownCode,
  ];
  remoteLocations = _recursiveSearch(configList, 0, _locations);
  return remoteLocations;
}

/**
 * 递归查询行政区划
 */
function _recursiveSearch(conditions, cIndex, srcList, type = 'value') {
  let res;
  const condition = conditions[cIndex];
  if (condition) {
    for (let i = 0; i < srcList.length; i++) {
      const e = srcList[i];
      const option = type == 'value' ? e.value : e.label;
      if (option == condition) {
        if (cIndex < conditions.length - 1 && e.children) {
          const result = _recursiveSearch(conditions, ++cIndex, e.children);
          res = [
            {
              label: e.label,
              value: e.value,
              children: result,
            },
          ];
        } else {
          res = [
            {
              label: e.label,
              value: e.value,
            },
          ];
        }
        break;
      }
    }
    if (!res) res = srcList;
    return res;
  } else {
    return srcList;
  }
}

function defaultValue() {
  const _values = _getFirst([], locations());
  return _values;
}

function _getFirst(values, item) {
  if (item.length == 0) {
    return values;
  } else if (item[0].children) {
    _getFirst(values, item[0].children);
  }
  values.unshift({
    label: item[0].label,
    value: item[0].value,
  });
  return values;
}

function getTownValue(conditions, type = 'value') {
  const res = _recursiveSearch(conditions, 0, _locations, type);
  const fun = v => {
    if (v.children) {
      return fun(v.children);
    } else {
      return v.value;
    }
  };
  return fun(res);
}
export { locations, defaultValue, getTownValue };