import { NameConfigInstance, ignoreMod } from './options'
import { getRandomName, getStoredUser, setStoredUser } from './storage'
import { ChatMessage } from './util'

export function obfuscator(
    chatMessage: ChatMessage
): NameConfigInstance | null {
    if (ignoreMod && chatMessage.isMod) {
        return null
    }

    chatMessage.username = chatMessage.username.toLowerCase()

    // return stored data
    const userData = getStoredUser(chatMessage.username)
    if (userData !== null) {
        return userData
    }

    // store new data
    const newName = getRandomName()
    setStoredUser(chatMessage.username, newName)

    return newName
}