import Alpaca from "@alpacahq/alpaca-trade-api";

const alpaca = new Alpaca({
  keyId: process.env.ALPACA_API_KEY!,
  secretKey: process.env.ALPACA_SECRET_KEY!,
  baseUrl: process.env.ALPACA_BASE_URL || "https://paper-api.alpaca.markets",
  dataBaseUrl: process.env.ALPACA_DATA_URL || "https://data.alpaca.markets",
  retryOnError: false,
});

export async function loader({ request }: { request: Request }) {
  const url = new URL(request.url);
  const ticker = url.searchParams.get("ticker")?.toUpperCase() || "AAPL";
  
  try {
    // Test different timeframes
    const timeframes = ["1Day", "1Min", "5Min"];
    const results: any = {};
    
    for (const tf of timeframes) {
      try {
        console.log(`test-alpaca: testing ${ticker} with timeframe ${tf}`);
        const bars = await alpaca.getBarsV2(ticker, {
          timeframe: tf as any,
          limit: 3,
        });
        
        const barsArray = [];
        for await (const bar of bars) {
          barsArray.push(bar);
        }
        results[tf] = { count: barsArray.length, sample: barsArray[0] };
        console.log(`test-alpaca: ${tf} -> ${barsArray.length} bars`);
      } catch (e) {
        results[tf] = { error: e instanceof Error ? e.message : String(e) };
      }
    }
    
    // Test popular stocks
    const symbols = ["AAPL", "MSFT", "SPY", "QQQ"];
    const symbolResults: any = {};
    
    const startDate = new Date();
    startDate.setDate(startDate.getDate() - 30);
    const start = startDate.toISOString().split('T')[0];
    
    for (const sym of symbols) {
      try {
        const bars = await alpaca.getBarsV2(sym, {
          timeframe: "1D",
          limit: 3,
          start,
        });
        const barsArray = [];
        for await (const bar of bars) barsArray.push(bar);
        symbolResults[sym] = barsArray.length;
      } catch (e) {
        symbolResults[sym] = e instanceof Error ? e.message : String(e);
      }
    }
    
    return Response.json({
      ticker,
      timeframeResults: results,
      symbolResults,
    });
  } catch (error) {
    console.error("test-alpaca error:", error);
    return Response.json({ 
      error: error instanceof Error ? error.message : String(error),
      ticker 
    }, { status: 500 });
  }
}