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

export async function PATCH(
  req: Request,
  { params }: { params: Promise<{ messageId: string }> }
) {
  const { messageId } = await params;
  const session = await getServerSession(authOptions);

  if (!session?.user?.id) {
    return new NextResponse("Unauthorized", { status: 401 });
  }

  try {
    const body = await req.json();
    const { title, content, recipients, checkInterval, intervalUnit, isEncrypted } = body;

    const existingMessage = await prisma.message.findUnique({
      where: { id: messageId, userId: session.user.id },
    });

    if (!existingMessage) {
      return new NextResponse("Unauthorized", { status: 401 });
    }

    // Delete existing recipients and recreate them for simplicity in update
    await prisma.recipient.deleteMany({
      where: { messageId: messageId },
    });

    const message = await prisma.message.update({
      where: {
        id: messageId,
        userId: session.user.id,
      },
      data: {
        title,
        content,
        checkInterval,
        intervalUnit: intervalUnit || existingMessage.intervalUnit,
        isEncrypted: isEncrypted || existingMessage.isEncrypted,
        recipients: {
          create: recipients.map((email: string) => ({ email })),
        },
      },
    });

    return NextResponse.json(message);
  } catch (error) {
    console.error("MESSAGE_PATCH_ERROR", error);
    return new NextResponse("Internal Server Error", { status: 500 });
  }
}

export async function DELETE(
  req: Request,
  { params }: { params: Promise<{ messageId: string }> }
) {
  const { messageId } = await params;
  const session = await getServerSession(authOptions);

  if (!session?.user?.id) {
    return new NextResponse("Unauthorized", { status: 401 });
  }

  try {
    const message = await prisma.message.delete({
      where: {
        id: messageId,
        userId: session.user.id,
      },
    });

    return NextResponse.json(message);
  } catch (error) {
    console.error("MESSAGE_DELETE_ERROR", error);
    return new NextResponse("Internal Server Error", { status: 500 });
  }
}