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

export default defineEventHandler(async (event) => {
  const body = await readBody<{ email?: string; name?: string; teamName?: string }>(event);
  const email = (body?.email ?? "").trim().toLowerCase();
  const name = (body?.name ?? "").trim();
  const teamName = (body?.teamName ?? "").trim() || "My Team";

  if (!email || !email.includes("@")) {
    throw createError({ statusCode: 400, statusMessage: "valid email is required" });
  }
  if (!name) {
    throw createError({ statusCode: 400, statusMessage: "name is required" });
  }

  const user = await prisma.user.upsert({
    where: { email },
    update: { name },
    create: { email, name },
  });

  // For MVP: 1 user -> 1 team (created if missing)
  const team = await prisma.team.create({ data: { name: teamName } });
  await prisma.teamMember.create({ data: { teamId: team.id, userId: user.id, role: "OWNER" } });

  const conversation = await prisma.chatConversation.create({
    data: { teamId: team.id, createdByUserId: user.id, title: "Pilot" },
  });

  setSession(event, { teamId: team.id, userId: user.id, conversationId: conversation.id });
  return { ok: true };
});