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

export async function POST(req: NextRequest) {
  const session = await getServerSession(authOptions);
  if (!session) {
    return NextResponse.json({ error: "Non autorisé" }, { status: 401 });
  }

  try {
    const { messageIds } = await req.json();
    const userId = parseInt(session.user.id);

    if (!messageIds || !Array.isArray(messageIds)) {
      return NextResponse.json({ error: "messageIds requis" }, { status: 400 });
    }

    // Marquer les messages comme lus
    const result = await prisma.message.updateMany({
      where: {
        id: { in: messageIds.map((id: string) => parseInt(id)) },
        receiverId: userId,
        isRead: false
      },
      data: {
        isRead: true
      }
    });

    return NextResponse.json({ 
      message: "Messages marqués comme lus",
      updatedCount: result.count 
    });
  } catch (error) {
    console.error('Erreur lors du marquage des messages:', error);
    return NextResponse.json(
      { error: "Erreur serveur" },
      { status: 500 }
    );
  }
}