import { NextRequest, NextResponse } from 'next/server'
import { getServerSession } from 'next-auth'
import { authOptions } from '@/lib/auth'
import { prisma } from '@/lib/prisma'
import { generateApiKey, slugify } from '@/lib/utils'

export async function GET() {
  const session = await getServerSession(authOptions)
  if (!session) return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })

  const clients = await prisma.client.findMany({
    orderBy: { createdAt: 'desc' },
    include: {
      _count: { select: { smsQueue: true, smsLogs: true } },
    },
  })
  return NextResponse.json(clients)
}

export async function POST(req: NextRequest) {
  const session = await getServerSession(authOptions)
  if (!session) return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })

  const body = await req.json()
  const { name, semaphoreKey, senderName } = body

  if (!name) return NextResponse.json({ error: 'Name is required' }, { status: 400 })

  const slug = slugify(name)
  const apiKey = generateApiKey()

  const client = await prisma.client.create({
    data: { name, slug, apiKey, semaphoreKey, senderName: senderName || 'NFC-HUB' },
  })

  return NextResponse.json(client, { status: 201 })
}