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

const SDK_URL = process.env.SDK_URL || 'http://ai-compliance-sdk:8090'
const DEFAULT_TENANT_ID = process.env.DEFAULT_TENANT_ID || '9282a473-5c95-4b3a-bf78-0ecc0ec71d3e'

/**
 * Proxy: GET /api/sdk/v1/ucca/assessments → Go Backend GET /sdk/v1/ucca/assessments
 */
export async function GET(request: NextRequest) {
  try {
    const { searchParams } = new URL(request.url)
    const params = new URLSearchParams()

    // Forward filter params
    for (const [key, value] of searchParams.entries()) {
      params.set(key, value)
    }

    const queryString = params.toString()
    const url = `${SDK_URL}/sdk/v1/ucca/assessments${queryString ? `?${queryString}` : ''}`

    const response = await fetch(url, {
      method: 'GET',
      headers: {
        'Content-Type': 'application/json',
        'X-Tenant-ID': request.headers.get('X-Tenant-ID') || DEFAULT_TENANT_ID,
      },
    })

    if (!response.ok) {
      const errorText = await response.text()
      return NextResponse.json(
        { error: 'UCCA backend error', details: errorText },
        { status: response.status }
      )
    }

    const data = await response.json()
    return NextResponse.json(data)
  } catch (error) {
    console.error('Failed to fetch UCCA assessments:', error)
    return NextResponse.json(
      { error: 'Failed to connect to UCCA backend' },
      { status: 503 }
    )
  }
}