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

const API_BASE = process.env.API_URL || 'http://localhost:8001';

/**
 * GET /api/pipelines/reviewiq/reviews/[reviewId]
 * Proxy to backend for fetching a full review with all its spans.
 */
export async function GET(
  request: NextRequest,
  { params }: { params: Promise<{ reviewId: string }> }
) {
  const { reviewId } = await params;
  const { searchParams } = new URL(request.url);
  const source = searchParams.get('source') || 'google';

  try {
    const url = `${API_BASE}/api/pipelines/reviewiq/reviews/${encodeURIComponent(reviewId)}?source=${encodeURIComponent(source)}`;

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

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

    const data = await response.json();
    return NextResponse.json(data);
  } catch (error) {
    console.error('Error fetching review:', error);
    return NextResponse.json(
      { error: 'Failed to fetch review' },
      { status: 500 }
    );
  }
}