import { Router } from 'express';
import data from '../../../config/china_area';
import ChinaRegion from '../../models/snoopy/ChinaRegion';
import ChinaArea from '../../models/snoopy/ChinaArea';
import GameShareImage from '../../models/snoopy/GameShareImage';
import logger from '../../utils/logger'

const router = new Router();

const parseAreaCode = code => {
  code = code + '';
  const p = code.substring(0, 2);
  const c = code.substring(2, 4);
  const d = code.substring(4, 6);
  return {
    province: p + '0000',
    city: p + c + '00',
    district: p + c + d
  };
};
/* 根据区域代码, 判断代码类型*/
const areaCodeType = code => {
  code = code + '';
  const p = code.substring(0, 2);
  const c = code.substring(2, 4);
  const d = code.substring(4, 6);
  if (c === '00' && d === '00') {
    return 'province';
  } else if (d === '00' && c !== '00') {
    return 'city';
  } else {
    return 'district';
  }
};
const getNameById = aid => {
  const obj = parseAreaCode(aid);
  const province = data['86'][obj.province];
  const city = data[obj.province][obj.city];
  const district = data[obj.city][obj.district];
  let result = province;
  if (city) {
    result += '-' + city;
  }
  if (district) {
    result += '-' + district;
  }
  return result;
};
router.get('/loc/all', (req, res, next) => {
  const country = '86';
  const result = [];
  for (const province in data['86']) {
    result.push({
      id: province,
      parent: '#',
      text: data[country][province]
    });
    for (const city in data[province]) {
      result.push({
        id: city,
        parent: province,
        text: data[province][city]
      });
      for (const district in data[city]) {
        result.push({
          id: district,
          parent: city,
          text: data[city][district]
        });
      }
    }
  }
  res.json(result);
});
router.get('/loc/sub/:aid', (req, res, next) => {
  let areaId = req.params.aid;
  if (!areaId) {
    areaId = '86';
  }
  const records = data[areaId];
  if (records) {
    res.json({ success: true, records: records });
  } else {
    res.json({ success: false });
  }
});
/* 获取省市列表, id为地区英文名*/
router.get('/china_region/py_list_all', async (req, res, next) => {
  try {
    const provinces = await ChinaRegion.find({ level: 1 });
    const citys = await ChinaRegion.find({ level: 2, pinyin: { $ne: null } });
    const result = [];
    const map = new Map();
    const pIdx = {};
    for (let i = 0; i < provinces.length; i++) {
      result.push({
        id: provinces[i].pinyin,
        parent: '#',
        text: provinces[i].name,
        children: []
      });
      map.set(provinces[i]._id, provinces[i]);

      if (!pIdx[provinces[i]._id]) {
        pIdx[provinces[i]._id] = i;
      }
    }
    for (const c of citys) {
      if (map.has(c.parent_id)) {
        const pIndex = pIdx[c.parent_id];
        result[pIndex].children.push({
          id: `${map.get(c.parent_id).pinyin}_${c.pinyin}`,
          parent: map.get(c.parent_id).pinyin,
          text: c.name
        });
      }
    }
    res.json({
      errcode: 0,
      records: result
    });
  } catch (err) {
    next(err);
  }
});

/* 获取所有定义好的地域列表*/
router.get('/china_area/all', async (req, res, next) => {
  try {
    const records = await ChinaArea.find({ deleted: false });
    res.json({ errcode: 0, records: records });
  } catch (err) {
    next(err);
  }
});
/* 更新*/
router.post('/china_area/save', async (req, res, next) => {
  logger.db(req, '公共', '地域', '保存地域');
  const body = req.body;
  const id = body.id;
  const name = body.name;
  const locations = body.locations;
  let record;
  try {
    if (id) {
      record = await ChinaArea.findById(id);
    } else {
      record = new ChinaArea({});
    }
    record.name = name;
    record.locations = locations;
    await record.save();
    res.json({ errcode: 0, record: record });
  } catch (err) {
    next(err);
  }
});
/* 删除*/
router.post('/china_area/delete', async (req, res, next) => {
  logger.db(req, '公共', '地域', '删除地域');
  const body = req.body;
  const id = body.id;
  try {
    if (!id) {
      return res.json({ errcode: 101, errmsg: '未定义要删除的地域id' });
    }
    const record = await ChinaArea.findById(id);
    if (!record) {
      return res.json({ errcode: 102, errmsg: '未找到要删除的地域' });
    }
    const usedRecord = await GameShareImage.findOne({
      area: id,
      deleted: false
    });
    if (usedRecord) {
      return res.json({
        errcode: 103,
        errmsg: '要删除的记录已被使用,不能删除!'
      });
    }
    record.deleted = true;
    record.delete_time = new Date();
    await record.save();
    res.json({ errcode: 0, record: record });
  } catch (err) {
    next(err);
  }
});

export default router;