import { readBody } from "h3";
import { prisma } from "../utils/prisma";
import { getAuthContext } from "../utils/auth";

export default defineEventHandler(async (event) => {
  const auth = await getAuthContext(event);
  const body = await readBody<{
    title?: string;
    start?: string;
    end?: string;
    contact?: string;
    note?: string;
    status?: string;
  }>(event);

  const title = (body?.title ?? "").trim();
  const start = body?.start ? new Date(body.start) : null;
  const end = body?.end ? new Date(body.end) : null;
  if (!title) throw createError({ statusCode: 400, statusMessage: "title is required" });
  if (!start || Number.isNaN(start.getTime())) throw createError({ statusCode: 400, statusMessage: "start is invalid" });

  const contactName = (body?.contact ?? "").trim();
  const contact = contactName
    ? await prisma.contact.findFirst({ where: { teamId: auth.teamId, name: contactName }, select: { id: true, name: true } })
    : null;

  const created = await prisma.calendarEvent.create({
    data: {
      teamId: auth.teamId,
      contactId: contact?.id ?? null,
      title,
      startsAt: start,
      endsAt: end && !Number.isNaN(end.getTime()) ? end : null,
      note: (body?.note ?? "").trim() || null,
      status: (body?.status ?? "").trim() || null,
    },
    include: { contact: { select: { name: true } } },
  });

  return {
    item: {
      id: created.id,
      title: created.title,
      start: created.startsAt.toISOString(),
      end: (created.endsAt ?? created.startsAt).toISOString(),
      contact: created.contact?.name ?? "",
      note: created.note ?? "",
    },
  };
});