const {handle} = require('../tools/handle_cjs');
const log = require("../logger").logger("c_user","info");
const d_user = require("../database/d_user");
const codeMap = require("../map/rcodeMap");
const dbField = require("../map/dbField");
const {searchHandle} = require("../tools/searchSql");

/**
 * 检测账号是否合法
 * @param err
 * @param res
 * @returns {[{eMsg: string, eCode: number},null]|*[]}
 * @private
 */
function _checkAccount(err,res){
  let userData;
  if(err){
    log.warn(`[用户登录] 登陆失败 ${err.message}`);
    return [err,null];
  }
  if(!res.length){
    return [
      {
        eCode:codeMap.NotFound,
        eMsg:`账号或者密码错误`
      },null];
  }
  userData = res[0];
  if(userData.status === dbField.db_user.status.disable){
    log.info(`[账号检测] 账号已被禁用`);
    return [
      {
        eCode:codeMap.NotPermission,
        eMsg:`账号已被禁用`
      },null];
  }
  return [null,userData];
}
async function login(owner,passwd){
  let err,res,userData;
  [err,res] = await handle(d_user.login(owner,passwd));
  [err,userData] = _checkAccount(err,res);
  if(err){
    return [err,null];
  }
  log.info(`[用户登录] 登陆成功 ${userData.name}`)
  return [null,userData];
}

async function loadAccount(accountId,p, l){
  let err,res;
  let userData;
  let _params = {};
  p = p || 1;
  l = l || 10;
  // 判断账号是否存在
  [err,res] = await handle(d_user.checkAccount(accountId));
  [err,userData] = _checkAccount(err,res);
  if(err){
    return [err,null];
  }
  return await searchHandle(
    '加载账号失败',
    d_user.loadAccounts,
    _params,
    p,
    l);
}


module.exports = {
    login,
    loadAccount
}