import { db } from "../../../lib/db.server";

export async function loader() {
  const stocks = await db.stock.findMany({
    orderBy: { ticker: "asc" },
  });
  return Response.json(stocks);
}

export async function action({ request }: { request: Request }) {
  const formData = await request.formData();
  const ticker = formData.get("ticker")?.toString().toUpperCase();
  const method = formData.get("_method")?.toString() || "POST";

  if (!ticker) {
    return Response.json({ error: "Ticker is required" }, { status: 400 });
  }

  if (method === "DELETE") {
    await db.stock.deleteMany({
      where: { ticker },
    });
    return Response.json({ success: true });
  }

  // Optional fields to save/update
  const lastDecision = formData.get("lastDecision")?.toString();
  const lastExplanation = formData.get("lastExplanation")?.toString();
  const lastExecutionPlan = formData.get("lastExecutionPlan")?.toString();

  // Upsert the stock record so ticker is ensured and optional fields are saved
  const stock = await db.stock.upsert({
    where: { ticker },
    update: {
      lastDecision: lastDecision ?? undefined,
      lastExplanation: lastExplanation ?? undefined,
      lastExecutionPlan: lastExecutionPlan ?? undefined,
    },
    create: {
      ticker,
      lastDecision: lastDecision ?? undefined,
      lastExplanation: lastExplanation ?? undefined,
      lastExecutionPlan: lastExecutionPlan ?? undefined,
    },
  });

  return Response.json(stock);
}