import type { NextApiRequest, NextApiResponse } from 'next'
import { prisma } from '@/lib/prisma'
import { requireAuth } from '@/lib/auth'

// Auto-suggests release items tied to a product: recent first-build form
// submission counts for that product, plus recently resolved NCR fixes.
export default async function handler(req: NextApiRequest, res: NextApiResponse) {
  const user = await requireAuth(req, res)
  if (!user) return
  if (req.method !== 'GET') return res.status(405).end()

  const { product } = req.query as { product?: string }
  const items: { label: string; type: string; included: boolean }[] = []

  if (product) {
    const forms = await prisma.buildForm.findMany({
      where: { product: { contains: product} },
      include: { _count: { select: { submissions: true } } },
    })
    for (const f of forms) {
      if (f._count.submissions > 0) {
        items.push({ label: `${f.name} — ${f._count.submissions} submissions`, type: 'FORM_DATA', included: true })
      }
    }
  }

  // Recently resolved NCRs (last 90 days) as candidate fixes to include
  const since = new Date()
  since.setDate(since.getDate() - 90)
  const recentNcrs = await prisma.nCR.findMany({
    where: { status: 'RESOLVED', resolvedAt: { gte: since } },
    orderBy: { resolvedAt: 'desc' },
    take: 5,
  })
  for (const n of recentNcrs) {
    items.push({ label: `${n.ref} fix — ${n.category || 'resolved'}`, type: 'NCR_FIX', included: false })
  }

  return res.json({ data: items })
}