import { OpenRouterClient } from "../../lib/openrouter";
import { TradingGraph } from "../../agents/tradingGraph";

export async function action({ request }: { request: Request }) {
  const formData = await request.formData();
  const ticker = formData.get("ticker") as string;
  const date = formData.get("date") as string;

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

  const apiKey = process.env.OPENROUTER_API_KEY;
  if (!apiKey) {
    return Response.json({ error: "OPENROUTER_API_KEY not configured" }, { status: 500 });
  }

  const client = new OpenRouterClient(apiKey);
  const graph = new TradingGraph(client);

  const input = {
    financialData: `Financial data for ${ticker} as of ${date || "latest"}`,
    technicalData: {
      prices: [100, 102, 101, 103, 105],
      sma: 102,
      ema: 103,
      rsi: 55,
      macd: 0.5,
    },
    sentimentData: {
      headlines: [`${ticker} showing positive momentum`],
      source: "news" as const,
    },
  };

  try {
    const decision = await graph.propagate(ticker, input);
    return Response.json({ decision, ticker, date });
  } catch (error) {
    const message = error instanceof Error ? error.message : "Unknown error";
    return Response.json({ error: message }, { status: 500 });
  }
}