import { NextRequest, NextResponse } from 'next/server';
import { getSession } from '@/lib/auth';
import { conversationService } from '@/lib/control-center';

export async function GET(
  request: NextRequest,
  { params }: { params: Promise<{ conversationId: string }> }
) {
  const session = await getSession();
  if (!session) {
    return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
  }

  const { conversationId } = await params;

  try {
    const conversation = await conversationService.getById(conversationId);

    if (!conversation) {
      return NextResponse.json(
        { error: 'Conversation not found' },
        { status: 404 }
      );
    }

    // Verify conversation belongs to the requesting user
    if (conversation.userId !== session.user.id) {
      return NextResponse.json(
        { error: 'Conversation not found' },
        { status: 404 }
      );
    }

    return NextResponse.json(conversation);
  } catch (error) {
    console.error('Failed to get conversation:', error);
    return NextResponse.json(
      { error: 'Failed to fetch conversation' },
      { status: 500 }
    );
  }
}