import joi from '@hapi/joi';
import globals from '../../globals';

export default class UserValidate {  // validate input for user
  static input (data) {
    return joi.object({
      name: joi.string()
        .alphanum()
        .lowercase()
        .required(),

      email: joi.string()
        .email({minDomainSegments: 2})
        .lowercase()
        .required(),

      pass: joi.string()
        .pattern(new RegExp('^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])(?=.*[!"#$%&\'()*+,-.\\/:;<=>?@[\\]^_`{|}~])(?=\\S+$).{8,}$'))
        .required(),

      level: joi.string()
        .valid(...globals.levels)
        .required(),

      location: joi.string()
        .alphanum()
        .required(),

      device_name: joi.string()
        .allow('')
        .required()
    }).validate(data);
  }

  static output (data) {  // validate output from database for needed properties, strip everything else
    const {value, error} = joi.object({
      _id: joi.any(),
      name: joi.string(),
      email: joi.string(),
      level: joi.string(),
      location: joi.string(),
      device_name: joi.string().allow('')
    }).validate(data, {stripUnknown: true})
    return error !== undefined? null : value;
  }
}