// apps/mobile/lib/supabase.ts
// React Native용 Supabase 클라이언트 — AsyncStorage 어댑터 + URL polyfill

import 'react-native-url-polyfill/auto'
import AsyncStorage from '@react-native-async-storage/async-storage'
import { createClient } from '@supabase/supabase-js'
import Constants from 'expo-constants'

const supabaseUrl = (Constants.expoConfig?.extra?.supabaseUrl as string | undefined) ?? ''
const supabaseAnonKey = (Constants.expoConfig?.extra?.supabaseAnonKey as string | undefined) ?? ''

if (!supabaseUrl || !supabaseAnonKey) {
  // env 미설정 — placeholder로 client 생성, 런타임에 isConfigured 체크
}

export const supabase = createClient(
  supabaseUrl || 'https://placeholder.supabase.co',
  supabaseAnonKey || 'placeholder-anon-key',
  {
    auth: {
      storage: AsyncStorage,
      autoRefreshToken: true,
      persistSession: true,
      detectSessionInUrl: false
    }
  }
)

export function isSupabaseConfigured(): boolean {
  return Boolean(supabaseUrl && supabaseAnonKey)
}