// packages/api-client/__tests__/public-surface-r2-35.test.ts
// 루트 barrel은 공유 계약(타입 + 클라이언트 팩토리)만 공개해야 한다.
// 앱마다 따로 소유하는 저장소·쿼터·STT 호출 헬퍼가 '정본처럼' 다시 노출되지 않도록 고정한다.

import { existsSync, readFileSync } from 'node:fs'
import { dirname, resolve } from 'node:path'
import { fileURLToPath } from 'node:url'
import { describe, expect, expectTypeOf, it, vi } from 'vitest'
import * as apiClient from '../src/index'
import type { TranscribeAudioResult } from '../src/index'

const PACKAGE_ROOT = resolve(dirname(fileURLToPath(import.meta.url)), '..')

interface ExportConditions {
  types?: string
  default?: string
}

interface PackageManifest {
  main?: string
  types?: string
  exports: Record<string, ExportConditions | string>
}

function readManifest(): PackageManifest {
  return JSON.parse(readFileSync(resolve(PACKAGE_ROOT, 'package.json'), 'utf8')) as PackageManifest
}

function exportTargets(entry: ExportConditions | string): string[] {
  return typeof entry === 'string' ? [entry] : Object.values(entry).filter((v): v is string => typeof v === 'string')
}

describe('@d3ro/api-client exports map', () => {
  it('publishes exactly the shared-contract subpaths', () => {
    expect(Object.keys(readManifest().exports).sort()).toEqual([
      '.',
      './client',
      './supabase-browser',
      './supabase-server',
    ])
  })

  it('does not publish app-owned runtime policy subpaths', () => {
    const subpaths = Object.keys(readManifest().exports)
    for (const removed of ['./auth', './meetings', './history', './usage', './transcribe']) {
      expect(subpaths, removed).not.toContain(removed)
    }
  })

  it('points every declared target (exports, main, types) at an existing file', () => {
    const manifest = readManifest()
    const targets = [
      ...Object.values(manifest.exports).flatMap(exportTargets),
      ...(manifest.main ? [manifest.main] : []),
      ...(manifest.types ? [manifest.types] : []),
    ]
    expect(targets.length).toBeGreaterThan(0)
    for (const target of targets) {
      expect(existsSync(resolve(PACKAGE_ROOT, target)), target).toBe(true)
    }
  })
})

describe('@d3ro/api-client root surface', () => {
  it('exposes only the client factory runtime values', () => {
    expect(Object.keys(apiClient).sort()).toEqual([
      'SupabaseConfigurationError',
      'createD3roSupabaseClient',
      'isClientConfigured',
      'requireSupabasePublicConfig',
    ])
  })

  it('does not re-export repository, quota, auth or STT call helpers', () => {
    const exported = apiClient as Record<string, unknown>
    for (const name of [
      'listHistory',
      'createHistoryEntry',
      'deleteHistoryEntry',
      'getTodayUsage',
      'listUsageLastDays',
      'getSubscription',
      'listMeetings',
      'updateMeeting',
      'appendTranscript',
      'signInWithOAuth',
      'getSession',
      'transcribeAudio',
      'getSupabaseBrowserClient',
      'createSupabaseServerClient',
    ]) {
      expect(exported[name], name).toBeUndefined()
    }
  })

  it('keeps the STT result contract available as a type', () => {
    expectTypeOf<TranscribeAudioResult>().toHaveProperty('text').toEqualTypeOf<string>()
    expectTypeOf<TranscribeAudioResult>().toHaveProperty('durationSeconds').toEqualTypeOf<number>()
  })
})

describe('transcribeAudio reference client', () => {
  it('does not fall back to process.env for gateway configuration', async () => {
    vi.stubEnv('NEXT_PUBLIC_SUPABASE_URL', 'https://env.supabase.co')
    vi.stubEnv('NEXT_PUBLIC_SUPABASE_ANON_KEY', 'env-anon-key')
    const fetchMock = vi.fn()
    vi.stubGlobal('fetch', fetchMock)
    try {
      const { transcribeAudio } = await import('../src/transcribe')
      await expect(transcribeAudio({ token: 'user-token', audio: new Blob(['x']) }))
        .rejects.toThrow('authenticated Supabase session')
      expect(fetchMock).not.toHaveBeenCalled()
    } finally {
      vi.unstubAllEnvs()
      vi.unstubAllGlobals()
    }
  })
})