'use strict';
const { CrudService } = require('naf-framework-mongoose-free/lib/service');
const { BusinessError, ErrorCode } = require('naf-core').Error;
const _ = require('lodash');
const assert = require('assert');
const moment = require('moment');
//
class MatchSignService extends CrudService {
  constructor(ctx) {
    super(ctx, 'matchsign');
    this.model = this.ctx.model.Race.MatchSign;
    this.matchModel = this.ctx.model.Race.Match;
    this.matchGroupModel = this.ctx.model.Race.MatchGroup;
    this.matchProjectModel = this.ctx.model.Race.MatchProject;
    this.billModel = this.ctx.model.Race.Bill;
    this.userModel = this.ctx.model.Race.User;
    this.baseUserModel = this.ctx.model.Base.User;
  }
  /**
   * 检查是否已经有该赛事,该组别,该项目的报名
   * @param {Object} body 参数体
   */
  async beforeCreate(body) {
    const { match_id } = body;
    const num = await this.matchModel.count({ _id: match_id, status: '1' });
    if (num <= 0) throw new BusinessError(ErrorCode.SERVICE_FAULT, '当前赛事无法报名');
    await this.checkHas(body);
    return body;
  }
  async beforeUpdate(filter, update) {
    // 比赛结束后不能退款, match 0,1,2往后的状态不能退赛
    const { pay_status } = update;
    if (pay_status !== '-2') return { filter, update };
    const { id } = filter;
    const data = await this.model.findById(id);
    const { match_id } = data;
    const num = await this.matchModel.count({ _id: match_id, status: { $nin: ['0', '1', '2'] } });
    if (num > 0) throw new BusinessError(ErrorCode.DATA_INVALID, '赛事已经处于准备开赛或开赛中,不能退赛');
    return { filter, update };
  }

  async afterQuery(filter, data) {
    for (const i of data) {
      const { user_id: raceUser_id } = i;
      const raceUser = await this.userModel.findById(raceUser_id);
      if (!raceUser) continue;
      const { user_id } = raceUser;
      const user = await this.baseUserModel.findById(user_id);
      if (user) i.user_name = user.name;
    }
    return data;
  }

  // 退赛
  async afterUpdate(filter, body, data) {
    const { pay_status } = data;
    if (pay_status !== '-3') return data;
    // 线下管理人员允许退款,生成账单
    const obj = _.pick(data, ['match_id', 'group_id', 'project_id']);
    obj.payer_id = data.user_id;
    obj.time = moment().format('YYYY-MM-DD HH:mm:ss');
    obj.type = '-1';
    await this.billModel.create(obj);
    return data;
  }

  /**
   * 检查有没有报过名
   * @param {Object} body 参数体
   * @return {Boolean} true 可以继续进行
   */
  async checkHas(body) {
    const { match_id, group_id, project_id, user_id } = body;
    const query = { match_id, group_id, project_id, user_id, pay_status: ['0', '1'] };
    const num = await this.model.count(query);
    if (num > 0) throw new BusinessError(ErrorCode.DATA_EXISTED, '您已报名');
    return true;
  }

  async checkFit(body) {
    const { match_id, group_id, project_id, user_id, card } = body;
    await this.checkHas(body);
    const { pass, msg, gender: cardGender, age: cardAge } = this.idCodeValid(card);
    if (!pass) throw new BusinessError(ErrorCode.SERVICE_FAULT, msg);
    // 1.看 match 状态 是否为报名中
    const mnum = await this.matchModel.count({ _id: match_id, status: '1' });
    if (mnum <= 0) throw new BusinessError(ErrorCode.DATA_INVALID, '当前赛事不处于报名期');
    // 2.看matchGroup 年龄限制是否符合要求
    const matchGroup = await this.matchGroupModel.findById(group_id);
    if (!matchGroup) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '未找到当前组别');
    const { age } = matchGroup;
    let next = this.checkAgeInRange(age, cardAge);
    // 3.看 matchProject 年龄限制和性别限制,人数限制
    if (!next) throw new BusinessError(ErrorCode.DATA_INVALID, '年龄不符合组别条件');
    const matchProject = await this.matchProjectModel.findById(project_id);
    if (!matchProject) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '未找到组别项目');
    const { age: projectAge, gender, num } = matchProject;
    const joinNum = await this.matchProjectModel.count({ match_id, group_id });
    if (joinNum >= num) throw new BusinessError(ErrorCode.DATA_INVALID, '该项目已经到达人数限制,无法报名');
    next = this.checkAgeInRange(projectAge, cardAge);
    if (!next) throw new BusinessError(ErrorCode.DATA_INVALID, '年龄不符合组别项目条件');
    if (gender !== '2') {
      if (gender !== cardGender) throw new BusinessError(ErrorCode.DATA_INVALID, '性别不符合组别条件');
    }
    return true;
  }

  checkAgeInRange(age, cardAge) {
    let next = true;
    if (_.isString(age) && age.indexOf('-') > -1) {
      const arr = age.split('-');
      const start = parseInt(_.head(arr));
      const end = parseInt(_.last(arr));
      // inRange 是左闭右开区间,所以加1,形成闭区间
      const r = _.inRange(cardAge, start, end + 1);
      next = r;
    } else if (!age || age === '不限') next = true;
    return next;
  }

  // 身份证验证
  idCodeValid(code) {
    // 身份证号合法性验证
    // 支持15位和18位身份证号
    // 支持地址编码、出生日期、校验位验证
    const 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 ',
    };
    let row = {
      pass: true,
      msg: '验证成功',
    };
    if (!code || !/^\d{6}(18|19|20)?\d{2}(0[1-9]|1[012])(0[1-9]|[12]\d|3[01])\d{3}(\d|[xX])$/.test(code)) {
      row = {
        pass: false,
        msg: '身份证号格式错误',
      };
    } else if (!city[code.substr(0, 2)]) {
      row = {
        pass: false,
        msg: '身份证号地址编码错误',
      };
    }
    // 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
    //     const factor = [ 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 ];
    //     // 校验位
    //     const parity = [ 1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2 ];
    //     let sum = 0;
    //     let ai = 0;
    //     let wi = 0;
    //     for (let i = 0; i < 17; i++) {
    //       ai = code[i];
    //       wi = factor[i];
    //       sum += ai * wi;
    //     }
    //     if (parity[sum % 11] !== code[17].toUpperCase()) {
    //       row = {
    //         pass: false,
    //         msg: '身份证号校验位错误',
    //       };
    //     }
    //   }
    // }
    if (row.pass) {
      row.gender = this.maleOrFemalByIdCard(code);
      row.age = this.getAge(code);
    }
    return row;
  }
  // 性别
  maleOrFemalByIdCard(idCard) {
    if (_.isArray(idCard)) idCard = idCard.join('');
    idCard = _.trim(idCard.replace(/ /g, '')); // 对身份证号码做处理。包括字符间有空格。
    if (idCard.length === 15) {
      if (idCard.substring(14, 15) % 2 === 0) {
        return '1';
      }
      return '0';
    } else if (idCard.length === 18) {
      if (idCard.substring(14, 17) % 2 === 0) {
        return '1';
      }
      return '0';
    }
    return null;
  }
  // 年龄
  getAge(idCard) {
    if (_.isArray(idCard)) idCard = idCard.join('');
    const ageDate = new Date();
    const month = ageDate.getMonth() + 1;
    const day = ageDate.getDate();
    let age = ageDate.getFullYear() - idCard.substring(6, 10) - 1;
    if (idCard.substring(10, 12) < month || (idCard.substring(10, 12) === month && idCard.substring(12, 14) <= day)) {
      age++;
    }
    if (age <= 0) {
      age = 1;
    }
    return age;
  }
}

module.exports = MatchSignService;