import yfinance as yf

def get_stock_data(ticker):
    try:
        stock = yf.Ticker(ticker)
        hist = stock.history(period="5d")
        info = stock.info

        data = {
            "ticker": ticker,
            "company_name": info.get("longName", "N/A"),
            "current_price": info.get("currentPrice", "N/A"),
            "pe_ratio": info.get("trailingPE", "N/A"),
            "market_cap": info.get("marketCap", "N/A"),
            "day_low": info.get("dayLow", "N/A"),
            "day_high": info.get("dayHigh", "N/A"),
            "volume": info.get("volume", "N/A"),
            "52_week_high": info.get("fiftyTwoWeekHigh", "N/A"),
            "52_week_low": info.get("fiftyTwoWeekLow", "N/A"),
            "recent_close_prices": hist['Close'].tail(3).to_list()
        }

        return data
    except Exception as e:
        return {"error": str(e)}