const userMapper = require('../repositories/userRepository')
const logger = require('morgan')
const errorMessages = require('../config/errorMessages')

exports.user_list = async () => {
  try {
    const list_users = await userMapper.selectAllUser()
    return list_users
  } catch (err) {
    throw err
  }
}

exports.create_user = async (user) => {
  try {
    const { account } = user

    const session = await userMapper.startTransaction()

    try {
      const check_user = await userMapper.selectUserByAccount(account)

      if (check_user) {
        throw new Error(errorMessages.user.already_exists)
      }

      const result = await userMapper.createUser(user)

      await userMapper.commitTransaction(session)
      return result
    } catch (err) {
      try {
        await userMapper.rollbackTransaction(session)
      } catch (roolbackErr) {
        logger('Error rolling back transaction: ', roolbackErr)
      }
      throw err
    }
  } catch (err) {
    logger('Error creating user: ', err)
    throw err
  }
}