/* TRADINGGRAPH related file */

// Server-only imports are loaded dynamically inside the action to avoid client bundling issues

export async function action({ request }: { request: Request }) {
  console.log("[analyze] Request received:", request.method, request.url);
  
  const body = await request.json();
  console.log("[analyze] Request body:", JSON.stringify(body));
  
  const ticker = body.ticker?.toUpperCase();
  const date = body.date || new Date().toISOString().split("T")[0];

  if (!ticker) {
    console.log("[analyze] Error: ticker missing");
    return Response.json({ error: "ticker is required" }, { status: 400 });
  }

  // Load server-only modules dynamically to prevent them from being included in client bundles
  const { buildTradingGraph } = await import("../../lib/tradingConfig.server");
  const { db } = await import("../../lib/db.server");
  const { fetchAccount, fetchRecentCloses, fetchBars } = await import("../../lib/alpacaClient");

  const apiKey = process.env.OPENROUTER_API_KEY;
  console.log("[analyze] API key configured:", !!apiKey, apiKey?.substring(0, 10) + "...");
  
  if (!apiKey || apiKey === "your_openrouter_api_key_here") {
    console.log("[analyze] Using mock mode");
    const mockDecision = {
      action: "hold" as const,
      confidence: 0.75,
      reasoning: `${ticker} analysis - Mock mode: positive momentum detected with neutral technical signals`,
      agentSignals: [
        {
          agent: "fundamentals" as const,
          signal: "bullish" as const,
          confidence: 0.7,
          reasoning: "Strong fundamentals with positive earnings outlook",
          timestamp: new Date().toISOString(),
        },
        {
          agent: "technical" as const,
          signal: "neutral" as const,
          confidence: 0.6,
          reasoning: "Mixed technical indicators",
          timestamp: new Date().toISOString(),
        },
      ],
      debateRounds: [
        {
          bullishView: "Bullish case supported by fundamentals and momentum",
          bearishView: "Bearish case from mixed technical signals",
          researcher: "bullish" as const,
        },
      ],
    };
    console.log("[analyze] Returning mock decision");
    return Response.json(mockDecision);
  }

  const { graph, config } = await buildTradingGraph(apiKey);
  console.log("[analyze] Trading config:", config);

  // Fetch latest Alpaca account and recent prices; abort if unavailable
  let account: any = undefined;
  let prices: number[] = [];
  let recentBars: any[] = [];
  try {
    account = await fetchAccount();
    prices = await fetchRecentCloses(ticker);
    // Also fetch recent intraday bars to enable deterministic execution plan calculation
    try {
      recentBars = await fetchBars(ticker, '1Min', { limit: 200 });
      // derive prices from bars if available (prefer freshest closes)
      if (recentBars && recentBars.length) {
        prices = recentBars.map((b: any) => (typeof b.ClosePrice === 'number' ? b.ClosePrice : (typeof b.c === 'number' ? b.c : 0))).filter((p: number) => p > 0);
      }
    } catch (barErr) {
      console.warn('[analyze] Failed to fetch recent bars for deterministic execution plan:', barErr);
    }
  } catch (e) {
    console.error("[analyze] Failed to fetch Alpaca data before analysis:", e);
    return Response.json({ error: "Failed to fetch Alpaca data: " + String(e) }, { status: 502 });
  }

  const input = {
    financialData: `Financial data for ${ticker} as of ${date}`,
    technicalData: {
      prices,
      bars: recentBars,
      sma: 0,
      ema: 0,
      rsi: 0,
      macd: 0,
    },
    sentimentData: {
      headlines: [`${ticker} showing positive momentum`],
      source: "news" as const,
    },
    account,
  };

  try {
    console.log("[analyze] Running trading graph...");

    if (body.background) {
      // Enqueue background analyze job and return 202 immediately
      try {
        const { enqueueAnalyze } = await import("../../lib/queue");
        const jobId = await enqueueAnalyze(ticker, input);
        return Response.json({ status: "queued", jobId }, { status: 202 });
      } catch (enqueueErr) {
        console.error("[analyze] enqueue error:", enqueueErr);
        return Response.json({ error: "failed to enqueue" }, { status: 500 });
      }
    }

    let decision = await graph.propagate(ticker, input);
    // Enrich executionPlan deterministically on server-side
    try {
      const { enrichExecutionPlan, verifyExecutionPlanWithLLM } = await import("../../lib/execution");
      decision = enrichExecutionPlan(decision, input);
      // Optionally ask LLM to verify/adjust the computed plan if API key is present
      if (process.env.OPENROUTER_API_KEY) {
        try {
          decision = await verifyExecutionPlanWithLLM(decision, input, config.model);
        } catch (e) {
          console.warn("LLM verification failed:", e);
        }
      }
    } catch (e) {
      console.warn("Failed to enrich execution plan:", e);
    }

    // Avoid logging potentially verbose debate rounds to server CLI
    try {
      const { debateRounds, ...decisionSafe } = decision as any;
      console.log("[analyze] Decision received (debate redacted):", JSON.stringify(decisionSafe));
    } catch (e) {
      console.log("[analyze] Decision received");
    }
    return Response.json(decision);
  } catch (error) {
    const message = error instanceof Error ? error.message : "Unknown error";
    console.error("[analyze] Error:", error);
    return Response.json({ error: message }, { status: 500 });
  }
}