import { getHeader, defineEventHandler } from 'h3'
import { useRuntimeConfig } from 'nuxt/app'
import type {
  GameDataResponse,
  GameDataValue,
} from '../layers/types/api/gameData'

export default defineEventHandler(async event => {
  const config = useRuntimeConfig()
  const baseDomain = (config.public.baseDomain || '.onstove.com') as string
  const stoveApiBaseUrl = config.public.stoveApiUrl
  const apiUrl = `${stoveApiBaseUrl}/pub-comm/v1.0/template/game`
  let gameAlias = ''

  try {
    // 미들웨어에서 설정한 gameAlias가 있다면 우선 사용
    if (event.context.gameAlias) {
      gameAlias = event.context.gameAlias
    } else {
      const host = getHeader(event, 'host') || ''
      const isGameAliasExtractable = host.includes(baseDomain)

      if (isGameAliasExtractable) {
        const subdomain = host.split('.')[0]
        if (subdomain && subdomain !== 'www') {
          gameAlias = subdomain
        }
      }
    }
  } catch (error) {
    console.error('gameAlias extraction error: ', error)
  }

  try {
    const queryParams: Record<string, string> = {
      game_alias: gameAlias,
    }

    const response = await $fetch<GameDataResponse>(apiUrl, {
      query: queryParams,
    })

    if (response?.code === 0 && 'value' in response) {
      event.context.gameData = response.value

      // lang_codes를 사용해서 동적으로 i18n 설정 업데이트
      if (
        response.value.lang_codes &&
        Array.isArray(response.value.lang_codes)
      ) {
        event.context.availableLocales = response.value.lang_codes
        event.context.defaultLocale =
          response.value.default_lang_code ||
          response.value.lang_codes[0] ||
          'ko'
      }

      return response.value as GameDataValue
    }
  } catch (error) {
    console.error(error)
    return {}
  }
})