import { NextResponse } from 'next/server'
import { getSession } from '@/lib/session'
import { getAllLinkEntries, setLink, type LinkKey } from '@/lib/links-db'
import { LINKS } from '@/lib/links'

export async function GET() {
  const session = await getSession()
  if (!session || session.role !== 'admin') {
    return NextResponse.json({ error: 'Forbidden' }, { status: 403 })
  }
  const entries = await getAllLinkEntries()
  return NextResponse.json(entries)
}

export async function PUT(request: Request) {
  const session = await getSession()
  if (!session || session.role !== 'admin') {
    return NextResponse.json({ error: 'Forbidden' }, { status: 403 })
  }

  let body: { key?: string; value?: string }
  try {
    body = (await request.json()) as { key?: string; value?: string }
  } catch {
    return NextResponse.json({ error: 'Invalid JSON' }, { status: 400 })
  }

  const key = String(body.key ?? '').trim() as LinkKey
  const value = String(body.value ?? '').trim()

  if (!key || !(key in LINKS)) {
    return NextResponse.json({ error: 'Unknown link key' }, { status: 400 })
  }
  if (!value) {
    return NextResponse.json({ error: 'Value cannot be empty' }, { status: 400 })
  }

  await setLink(key, value)
  return NextResponse.json({ ok: true })
}