import { createError } from 'h3'
import {
  formatSignupBlockedUsernameMessage,
  getSignupBlockedUsernameMatch
} from '../../lib/signup-blocked-usernames.js'
import { getSiteSettings } from '../repositories/content-repository.js'

/**
 * 가입·프로필 변경 시 닉네임이 금지 목록에 해당하는지 검사한다.
 * @param {string} username - 닉네임
 * @returns {Promise<void>}
 */
export const assertSignupUsernameAllowed = async (username) => {
  const settings = await getSiteSettings()
  const match = getSignupBlockedUsernameMatch(username, settings.signupBlockedUsernames || [])

  if (match) {
    throw createError({
      statusCode: 400,
      message: formatSignupBlockedUsernameMessage(match)
    })
  }
}