import { NextRequest, NextResponse } from 'next/server'
import { auth } from '@/auth'
import { getNoteHistory, restoreNoteVersion } from '@/app/actions/notes'

export async function GET(
  request: NextRequest,
  { params }: { params: Promise<{ id: string }> }
) {
  const session = await auth()
  if (!session?.user?.id) {
    return NextResponse.json({ success: false, error: 'Unauthorized' }, { status: 401 })
  }

  try {
    const { id } = await params
    const limitRaw = request.nextUrl.searchParams.get('limit')
    const limit = limitRaw ? Number.parseInt(limitRaw, 10) : 30
    const entries = await getNoteHistory(id, Number.isNaN(limit) ? 30 : limit)
    return NextResponse.json({ success: true, data: entries })
  } catch (error) {
    console.error('Error fetching note history:', error)
    return NextResponse.json({ success: false, error: 'Failed to fetch history' }, { status: 500 })
  }
}

export async function POST(
  request: NextRequest,
  { params }: { params: Promise<{ id: string }> }
) {
  const session = await auth()
  if (!session?.user?.id) {
    return NextResponse.json({ success: false, error: 'Unauthorized' }, { status: 401 })
  }

  try {
    const { id } = await params
    const body = await request.json()
    const historyEntryId = body?.historyEntryId

    if (!historyEntryId || typeof historyEntryId !== 'string') {
      return NextResponse.json({ success: false, error: 'historyEntryId is required' }, { status: 400 })
    }

    const restoredNote = await restoreNoteVersion(id, historyEntryId)
    return NextResponse.json({ success: true, data: restoredNote })
  } catch (error) {
    const message = error instanceof Error ? error.message : 'Failed to restore history version'
    console.error('Error restoring note history:', error)
    return NextResponse.json({ success: false, error: message }, { status: 500 })
  }
}