/**
 * Compliance Modules API Route - Proxy to Backend
 */

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

const BACKEND_URL = process.env.BACKEND_URL || 'http://localhost:8000'

export async function GET(request: NextRequest) {
  try {
    const { searchParams } = new URL(request.url)
    const queryParams = new URLSearchParams()

    const service_type = searchParams.get('service_type')
    const criticality = searchParams.get('criticality')
    const processes_pii = searchParams.get('processes_pii')
    const ai_components = searchParams.get('ai_components')

    if (service_type) queryParams.set('service_type', service_type)
    if (criticality) queryParams.set('criticality', criticality)
    if (processes_pii) queryParams.set('processes_pii', processes_pii)
    if (ai_components) queryParams.set('ai_components', ai_components)

    const url = `${BACKEND_URL}/api/v1/compliance/modules${queryParams.toString() ? `?${queryParams}` : ''}`

    const response = await fetch(url, {
      method: 'GET',
      headers: {
        'Content-Type': 'application/json',
      },
      signal: AbortSignal.timeout(30000)
    })

    if (!response.ok) {
      const errorText = await response.text()
      return NextResponse.json(
        { error: `Backend Error: ${response.status}`, details: errorText },
        { status: response.status }
      )
    }

    const data = await response.json()
    return NextResponse.json(data)
  } catch (error) {
    console.error('Compliance modules proxy error:', error)
    return NextResponse.json(
      { error: 'Verbindung zum Backend fehlgeschlagen', modules: [] },
      { status: 503 }
    )
  }
}