import { NextRequest, NextResponse } from "next/server";
import { z } from "zod";
import { auth } from "@/lib/auth";
import { prisma } from "@/lib/prisma";
import { normalizeDomain, isValidDomain } from "@/lib/utils";

const bodySchema = z.object({
  domain: z.string(),
  type: z.enum(["DNS", "SSL", "UPTIME"]),
});

export async function GET() {
  const session = await auth();
  if (!session?.user?.id) {
    return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
  }
  const monitors = await prisma.monitor.findMany({
    where: { userId: session.user.id },
    orderBy: { createdAt: "desc" },
  });
  return NextResponse.json({ monitors });
}

export async function POST(req: NextRequest) {
  const session = await auth();
  if (!session?.user?.id) {
    return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
  }

  let body: z.infer<typeof bodySchema>;
  try {
    body = bodySchema.parse(await req.json());
  } catch {
    return NextResponse.json({ error: "Invalid body" }, { status: 400 });
  }

  const domain = normalizeDomain(body.domain);
  if (!isValidDomain(domain)) {
    return NextResponse.json({ error: "Invalid domain" }, { status: 400 });
  }

  const monitor = await prisma.monitor.create({
    data: {
      domain,
      type: body.type,
      userId: session.user.id,
    },
  });

  return NextResponse.json({ monitor }, { status: 201 });
}