'use strict';

const Service = require('egg').Service;
const assert = require('assert');
const moment = require('moment');
const routerMethod = require('../../config/routerMethod');
const routerMondel = require('../../config/routerMondel');
class LogService extends Service {
  async create({ mondel, method, data, result, userName, acct, date }) {
    assert(mondel, '模块不存在');
    assert(method, '类型不存在');
    assert(data, '数据不存在');
    assert(result, '结果不存在');
    assert(userName, '操作人不存在');
    assert(acct, '操作帐号不存在');
    assert(date, '时间不存在');
    const { Log: model } = this.ctx.model;
    const createAt = moment().format('x');
    try {
      await model.create({ data, method, createAt, mondel, result, userName, acct, date });
      return { errmsg: '', errcode: 0 };
    } catch (error) {
      throw new Error('添加失败');
    }
  }
  async del({ id }) {
    assert(id, 'id不存在');
    const { Log: model } = this.ctx.model;
    try {
      await model.findById(id).remove();
      return { errmsg: '', errcode: 0 };
    } catch (error) {
      throw new Error('删除失败');
    }
  }
  async query({ skip, limit, mondel, method, result }) {
    const { Log: model } = this.ctx.model;
    const filter = {};
    if (mondel) filter.mondel = mondel;
    if (method) filter.method = method;
    if (result) filter.result = result;
    try {
      const total = await model.find({ ...filter });
      let res;
      if (skip && limit) {
        res = await model.find({ ...filter }).skip(Number(skip) * Number(limit)).limit(Number(limit));
      } else {
        res = await model.find({ ...filter });
      }
      return { errmsg: '', errcode: 0, data: res, total: total.length };
    } catch (error) {
      console.log(error);
      throw new Error('查询失败');
    }
  }
  async init() {
    const { ctx } = this;
    const { url, method, body } = ctx.request;
    let mondel = '';
    let methods = '';
    let decode = {};
    const { AdminUser: model } = ctx.model;
    const date = moment().format('YYYY-MM-DD HH:mm:ss');
    if (method !== 'GET') {
      // token
      const tokenstr = ctx.request.header.authorization;
      if (tokenstr) {
        const token = tokenstr.substring(7);
        decode = ctx.app.jwt.verify(token, ctx.app.config.secret);
      } else {
        const { acct } = ctx.request.body;
        const res = await model.findOne({ acct });
        if (!res) {
          decode = { acct, userName: '用户不存在' };
        } else {
          decode = res;
        }
      }
      const str = url.split('/');
      for (let i = 0; i < str.length; i++) {
        const e = str[i];
        if (e !== '' && e !== 'api') {
          if (e === 'create' || e === 'update' || e === 'delete' || e === 'upload' || e === 'login' || e === 'pwdUpdate') {
            methods = routerMethod[e];
            if (e === 'delete') {
              break;
            }
          } else {
            mondel = routerMondel[e];
          }
        }
      }
      return { mondel, method: methods, data: body, acct: decode.acct, userName: decode && decode.userName, date };
    }
  }
}

module.exports = LogService;