export type MessageCategory = string // length 3
export type MessageNumber = string // length 3
export type BaseMessageType = '0' | '1'
export type MessageType = 'success' | 'error'
export type MessageCode = string // length 7 = MessageCategory + MessageNumber + BaseMessageType (0|1)

// TypeGuard & Validator for MessageCodes
export const isValidMessageCode = (msgCode: any): msgCode is MessageCode => {
  if (!msgCode)
    return false
  if (typeof msgCode !== 'string')
    return false
  if (msgCode.length !== 7)
    return false
  return true
}

export const getMessageCodeType = (msgCode: MessageCode): MessageType =>
  msgCode[6] === '0' ? 'success' : 'error'

export const getMessageCodeCategory = (msgCode: MessageCode): MessageCategory =>
  msgCode.slice(0, 3)

export const getMessageCodeNumber = (msgCode: MessageCode): MessageNumber =>
  msgCode.slice(3, 6)

export const decode = (msgCode: any) => {
  if (!isValidMessageCode(msgCode))
    return false
  const type = getMessageCodeType(msgCode)
  const category = getMessageCodeCategory(msgCode)
  const message = getMessageCodeNumber(msgCode)
  const info = {
    body: `messagecodes.${category}.${message}.${type}`,
    title: `messagecodes.${category}`,
  }
  return {
    category,
    info,
    message,
    type,
  }
}