// packages/api-client/src/supabase-server.ts
// RSC/route handler용 Supabase 서버 클라이언트 팩토리.
// next/headers에 직접 의존하지 않고, 호출부에서 cookieStore를 주입.
// Database 제네릭 주입 (@supabase/ssr 0.10 + supabase-js 2.103 정합).

import { createServerClient, type CookieOptions } from '@supabase/ssr'
import type { Database } from './types'
import { requireSupabasePublicConfig } from './client'

/** next/headers cookies()가 반환하는 객체의 최소 인터페이스 */
export interface CookieStore {
  getAll(): Array<{ name: string; value: string }>
  set(name: string, value: string, options: CookieOptions): void
}

export function createSupabaseServerClient(
  cookieStore: CookieStore,
): ReturnType<typeof createServerClient<Database>> {
  const { url, anonKey } = requireSupabasePublicConfig({
    url: process.env.NEXT_PUBLIC_SUPABASE_URL,
    anonKey: process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY,
  })

  return createServerClient<Database>(url, anonKey, {
    cookies: {
      getAll() {
        return cookieStore.getAll()
      },
      setAll(cookiesToSet: Array<{ name: string; value: string; options: CookieOptions }>) {
        try {
          cookiesToSet.forEach(({ name, value, options }) => {
            cookieStore.set(name, value, options)
          })
        } catch {
          // RSC에서 set은 실패하지만 route handler에서는 성공
        }
      },
    },
  })
}

export function isSupabaseConfiguredServer(): boolean {
  return Boolean(
    process.env.NEXT_PUBLIC_SUPABASE_URL?.trim()
    && process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY?.trim(),
  )
}