import { NextRequest, NextResponse } from 'next/server'

/**
 * API Proxy for BQAS (Voice Service)
 * Forwards requests to the voice-service running on port 8091
 */

// Internal Docker network uses HTTP, nginx handles HTTPS termination externally
const VOICE_SERVICE_URL = process.env.VOICE_SERVICE_URL || 'http://voice-service:8091'

export async function GET(
  request: NextRequest,
  { params }: { params: Promise<{ path: string[] }> }
) {
  const { path } = await params
  const pathString = path.join('/')
  const searchParams = request.nextUrl.searchParams.toString()
  const url = `${VOICE_SERVICE_URL}/api/v1/bqas/${pathString}${searchParams ? `?${searchParams}` : ''}`

  try {
    const response = await fetch(url, {
      method: 'GET',
      headers: {
        'Content-Type': 'application/json',
      },
    })

    if (!response.ok) {
      return NextResponse.json(
        { error: `Voice service returned ${response.status}` },
        { status: response.status }
      )
    }

    const data = await response.json()
    return NextResponse.json(data)
  } catch (error) {
    console.error('BQAS proxy error:', error)
    return NextResponse.json(
      { error: 'Failed to connect to voice service' },
      { status: 503 }
    )
  }
}

export async function POST(
  request: NextRequest,
  { params }: { params: Promise<{ path: string[] }> }
) {
  const { path } = await params
  const pathString = path.join('/')
  const url = `${VOICE_SERVICE_URL}/api/v1/bqas/${pathString}`

  try {
    let body = null
    try {
      body = await request.json()
    } catch {
      // No body is fine for some POST requests
    }

    const response = await fetch(url, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
      },
      body: body ? JSON.stringify(body) : undefined,
    })

    if (!response.ok) {
      return NextResponse.json(
        { error: `Voice service returned ${response.status}` },
        { status: response.status }
      )
    }

    const data = await response.json()
    return NextResponse.json(data)
  } catch (error) {
    console.error('BQAS proxy error:', error)
    return NextResponse.json(
      { error: 'Failed to connect to voice service' },
      { status: 503 }
    )
  }
}