import { getServerSession } from 'next-auth';
import { authOptions } from '@/lib/auth-options';
import { prisma } from '@/lib/prisma';
import { NextRequest, NextResponse } from 'next/server';

export async function POST(
  request: NextRequest,
  { params }: { params: Promise<{ commentId: string }> }
) {
  const { commentId } = await params;
  const session = await getServerSession(authOptions);

  if (!session?.user) {
    return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
  }

  try {
    const { content } = await request.json();

    if (!content || typeof content !== 'string' || content.trim().length === 0) {
      return NextResponse.json(
        { error: 'Non-empty content is required' },
        { status: 400 }
      );
    }

    // Verify comment exists
    const comment = await prisma.comment.findUnique({
      where: { id: commentId },
    });

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

    const reply = await prisma.commentReply.create({
      data: {
        commentId,
        userId: (session.user as any).id,
        content: content.trim(),
      },
      include: {
        user: {
          select: {
            id: true,
            name: true,
            email: true,
            image: true,
          },
        },
      },
    });

    return NextResponse.json(reply, { status: 201 });
  } catch (error) {
    console.error('Failed to create reply:', error);
    return NextResponse.json(
      { error: 'Failed to create reply' },
      { status: 500 }
    );
  }
}