All files / web/src/app/api/admin/audio/custom-clips/[voice]/[clipId] route.ts

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/**
 * API routes for managing custom voice recordings.
 *
 * POST   — Upload a recorded clip (webm blob via FormData)
 * PATCH  — Deactivate or reactivate a clip
 * DELETE — Permanently remove a clip
 */

import { mkdir, rename, unlink, stat } from 'fs/promises'
import { NextResponse } from 'next/server'
import { join } from 'path'
import { withAuth } from '@/lib/auth/withAuth'

const AUDIO_DIR = join(process.cwd(), 'data', 'audio')

function validateSegment(segment: string): boolean {
  return !!segment && !segment.includes('/') && !segment.includes('..') && !segment.includes('\0')
}

/**
 * POST /api/admin/audio/custom-clips/[voice]/[clipId]
 *
 * Upload a recorded audio clip. Expects multipart FormData with an `audio` field.
 */
export const POST = withAuth(
  async (request, { params }) => {
    try {
      const { voice, clipId } = (await params) as { voice: string; clipId: string }

      if (!validateSegment(voice) || !validateSegment(clipId)) {
        return NextResponse.json({ error: 'Invalid parameters' }, { status: 400 })
      }

      const formData = await request.formData()
      const audioBlob = formData.get('audio')

      if (!audioBlob || !(audioBlob instanceof Blob)) {
        return NextResponse.json({ error: 'Missing audio blob in form data' }, { status: 400 })
      }

      const voiceDir = join(AUDIO_DIR, voice)
      await mkdir(voiceDir, { recursive: true })

      const buffer = Buffer.from(await audioBlob.arrayBuffer())
      const filePath = join(voiceDir, `cc-${clipId}.webm`)

      const { writeFile } = await import('fs/promises')
      await writeFile(filePath, buffer)

      return NextResponse.json({ ok: true })
    } catch (error) {
      console.error('Error uploading custom clip:', error)
      return NextResponse.json({ error: 'Failed to upload clip' }, { status: 500 })
    }
  },
  { role: 'admin' }
)

/**
 * PATCH /api/admin/audio/custom-clips/[voice]/[clipId]
 *
 * Deactivate or reactivate a clip.
 * Body: { action: 'deactivate' | 'reactivate' }
 */
export const PATCH = withAuth(
  async (request, { params }) => {
    try {
      const { voice, clipId } = (await params) as { voice: string; clipId: string }

      if (!validateSegment(voice) || !validateSegment(clipId)) {
        return NextResponse.json({ error: 'Invalid parameters' }, { status: 400 })
      }

      const body = await request.json()
      const { action } = body as { action: string }

      if (action !== 'deactivate' && action !== 'reactivate') {
        return NextResponse.json(
          { error: 'action must be "deactivate" or "reactivate"' },
          { status: 400 }
        )
      }

      const voiceDir = join(AUDIO_DIR, voice)
      const deactivatedDir = join(voiceDir, '.deactivated')

      // Try both .webm and .mp3
      const extensions = ['.webm', '.mp3']

      for (const ext of extensions) {
        const activePath = join(voiceDir, `cc-${clipId}${ext}`)
        const deactivatedPath = join(deactivatedDir, `cc-${clipId}${ext}`)

        if (action === 'deactivate') {
          try {
            await stat(activePath)
            await mkdir(deactivatedDir, { recursive: true })
            await rename(activePath, deactivatedPath)
          } catch {
            // File doesn't exist in this extension, skip
          }
        } else {
          try {
            await stat(deactivatedPath)
            await rename(deactivatedPath, activePath)
          } catch {
            // File doesn't exist in this extension, skip
          }
        }
      }

      return NextResponse.json({ ok: true })
    } catch (error) {
      console.error('Error patching custom clip:', error)
      return NextResponse.json({ error: 'Failed to update clip' }, { status: 500 })
    }
  },
  { role: 'admin' }
)

/**
 * DELETE /api/admin/audio/custom-clips/[voice]/[clipId]
 *
 * Permanently remove a clip from both active and deactivated locations.
 */
export const DELETE = withAuth(
  async (_request, { params }) => {
    try {
      const { voice, clipId } = (await params) as { voice: string; clipId: string }

      if (!validateSegment(voice) || !validateSegment(clipId)) {
        return NextResponse.json({ error: 'Invalid parameters' }, { status: 400 })
      }

      const voiceDir = join(AUDIO_DIR, voice)
      const deactivatedDir = join(voiceDir, '.deactivated')

      const extensions = ['.webm', '.mp3']
      const prefixes = ['cc-', '']

      for (const ext of extensions) {
        for (const prefix of prefixes) {
          for (const dir of [voiceDir, deactivatedDir]) {
            try {
              await unlink(join(dir, `${prefix}${clipId}${ext}`))
            } catch {
              // File doesn't exist, skip
            }
          }
        }
      }

      return NextResponse.json({ ok: true })
    } catch (error) {
      console.error('Error deleting custom clip:', error)
      return NextResponse.json({ error: 'Failed to delete clip' }, { status: 500 })
    }
  },
  { role: 'admin' }
)