import { NextResponse } from 'next/server'
import { slskdFetch } from '@/lib/slskd'

interface SlskdFile {
  filename: string
  size: number
  bitRate: number
  length: number
}

interface SlskdSearchResponse {
  username: string
  files: SlskdFile[]
  freeUploadSlots: number
  speed: number
}

export async function GET(
  _request: Request,
  { params }: { params: Promise<{ searchId: string }> }
) {
  const { searchId } = await params

  try {
    const res = await slskdFetch(`/searches/${searchId}`)
    if (!res.ok) {
      throw new Error(`slskd results returned ${res.status}`)
    }

    const data = await res.json()
    const isComplete = data.state === 'Completed' || data.state === 'TimedOut'

    // Flatten results: each response has username + files
    const results = (data.responses || [])
      .filter((r: SlskdSearchResponse) => r.files?.length > 0)
      .slice(0, 20)
      .map((r: SlskdSearchResponse) => ({
        username: r.username,
        freeSlots: r.freeUploadSlots,
        speed: r.speed,
        files: r.files.slice(0, 5).map((f: SlskdFile) => ({
          filename: f.filename,
          size: f.size,
          bitRate: f.bitRate,
          length: f.length,
        })),
      }))

    return NextResponse.json({ results, isComplete })
  } catch (error) {
    console.error('Soulseek results error:', error)
    return NextResponse.json({ error: 'Failed to get results' }, { status: 502 })
  }
}