Omnichannel Inbox

// app/api/webhooks/meta/route.ts
import { prisma } from '@/lib/prisma'
import { NextRequest, NextResponse } from 'next/server'

export async function POST(req: NextRequest) {
  const body = await req.json()
  const entry = body.entry?.[0]?.changes?.[0]?.value

  if (entry?.messages?.[0]) {
    const msg = entry.messages[0]
    const phone = msg.from

    // Buscar taller por número de WhatsApp (multi-tenant)
    const integration = await prisma.tenantIntegration.findFirst({
      where: {
        provider: 'WHATSAPP',
        metadata: { path: ['phoneNumberId'], equals: entry.metadata.phone_number_id },
      },
    })
    if (!integration) return NextResponse.json({ ok: true })

    // Guardar mensaje en la bandeja
    await prisma.inboxMessage.create({
      data: {
        businessId: integration.businessId, // multi-tenant
        channel:    'WHATSAPP',
        from:       phone,
        body:       msg.text?.body ?? '',
        externalId: msg.id,
      },
    })
  }
  return NextResponse.json({ ok: true })
}