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

/**
 * GET /api/sdk/v1/vendor-compliance/export/[reportId]/download
 *
 * Download a generated report file.
 * In production, this would redirect to a signed MinIO/S3 URL or stream the file.
 */
export async function GET(
  request: NextRequest,
  { params }: { params: Promise<{ reportId: string }> }
) {
  const { reportId } = await params

  // TODO: Implement actual file download
  // This would typically:
  // 1. Verify report exists and user has access
  // 2. Generate signed URL for MinIO/S3
  // 3. Redirect to signed URL or stream file

  // For now, return a placeholder PDF
  const placeholderContent = `
%PDF-1.4
1 0 obj
<< /Type /Catalog /Pages 2 0 R >>
endobj
2 0 obj
<< /Type /Pages /Kids [3 0 R] /Count 1 >>
endobj
3 0 obj
<< /Type /Page /Parent 2 0 R /MediaBox [0 0 612 792] /Contents 4 0 R /Resources << /Font << /F1 5 0 R >> >> >>
endobj
4 0 obj
<< /Length 200 >>
stream
BT
/F1 24 Tf
100 700 Td
(Vendor Compliance Report) Tj
/F1 12 Tf
100 650 Td
(Report ID: ${reportId}) Tj
100 620 Td
(Generated: ${new Date().toISOString()}) Tj
100 580 Td
(This is a placeholder. Implement actual report generation.) Tj
ET
endstream
endobj
5 0 obj
<< /Type /Font /Subtype /Type1 /BaseFont /Helvetica >>
endobj
xref
0 6
0000000000 65535 f
0000000009 00000 n
0000000058 00000 n
0000000115 00000 n
0000000266 00000 n
0000000519 00000 n
trailer
<< /Size 6 /Root 1 0 R >>
startxref
598
%%EOF
`.trim()

  // Return as PDF
  return new NextResponse(placeholderContent, {
    headers: {
      'Content-Type': 'application/pdf',
      'Content-Disposition': `attachment; filename="Report_${reportId.slice(0, 8)}.pdf"`,
    },
  })
}
