app.py

import gradio as gr
import pandas as pd
import yfinance as yf
from utils import (
    calculate_technical_indicators,
    generate_trading_signals,
    get_fundamental_data,
    predict_prices,
    create_price_chart,
    create_technical_chart,
    create_prediction_chart,
)
import warnings

warnings.filterwarnings("ignore")


def analyze_stock(symbol, prediction_days=30):
    try:
        if not symbol.strip():
            raise ValueError("Please enter a valid stock symbol.")

        if not symbol.endswith(".JK"):
            symbol = symbol.upper() + ".JK"

        stock = yf.Ticker(symbol)
        data = stock.history(period="6mo", interval="1d")

        if data.empty:
            raise ValueError("No price data available for this stock.")

        indicators = calculate_technical_indicators(data)
        signals = generate_trading_signals(data, indicators)
        fundamental_info = get_fundamental_data(stock)
        predictions = predict_prices(data, prediction_days=prediction_days)

        fig_price = create_price_chart(data, indicators)
        fig_technical = create_technical_chart(data, indicators)
        fig_prediction = create_prediction_chart(data, predictions)

        # kalkulasi TP1, TP2, SL
        last_price = data['Close'].iloc[-1]
        tp1 = last_price * (1 + (predictions.get("change_pct", 0) / 200))
        tp2 = last_price * (1 + (predictions.get("change_pct", 0) / 100))
        sl = last_price * 0.95

        predictions["tp1"] = tp1
        predictions["tp2"] = tp2
        predictions["sl"] = sl

        return fundamental_info, indicators, signals, fig_price, fig_technical, fig_prediction, predictions

    except Exception as e:
        print(f"Error analyzing {symbol}: {e}")
        empty_fig = gr.Plot.update(value=None)
        empty_predictions = {
            "high_30d": 0,
            "low_30d": 0,
            "change_pct": 0,
            "summary": "Prediction unavailable.",
        }
        return {}, {}, {}, empty_fig, empty_fig, empty_fig, empty_predictions


def update_analysis(symbol, prediction_days):
    (
        fundamental_info,
        indicators,
        signals,
        fig_price,
        fig_technical,
        fig_prediction,
        predictions,
    ) = analyze_stock(symbol, prediction_days)

    if not fundamental_info:
        return (
            "⚠️ Unable to fetch stock data.",
            gr.Plot.update(value=None),
            gr.Plot.update(value=None),
            gr.Plot.update(value=None),
        )

    fundamentals = f"""
    ### 🏢 Company Fundamentals  
    **Name:** {fundamental_info.get('name', 'N/A')} ({symbol.upper()})  
    **Current Price:** Rp{fundamental_info.get('current_price', 0):,.2f}  
    **Market Cap:** {fundamental_info.get('market_cap', 0):,}  
    **P/E Ratio:** {fundamental_info.get('pe_ratio', 0):.2f}  
    **Dividend Yield:** {fundamental_info.get('dividend_yield', 0):.2f}%  
    **Volume:** {fundamental_info.get('volume', 0):,}  
    """

    details_list = "".join(
        [f"<li>{line.strip()}</li>" for line in signals.get("details", "").split("\n") if line.strip()]
    )

    trading_signal = f"""
    ### 📊 Technical Signal Summary  
    **Overall Trend:** {signals.get('overall', 'N/A')}  
    **Signal Strength:** {signals.get('strength', 0):.2f}%  
    **Support:** Rp{signals.get('support', 0):,.2f}  
    **Resistance:** Rp{signals.get('resistance', 0):,.2f}  
    **Stop Loss:** Rp{signals.get('stop_loss', 0):,.2f}  

    **Detailed Signals:**  
    <ul style="margin-top:6px; padding-left:20px;">{details_list}</ul>
    """

    prediction = f"""
    ### 🤖 30-Day AI Forecast (Chronos-Bolt)  
    **Predicted High:** Rp{predictions.get('high_30d', 0):,.2f}  
    **Predicted Low:** Rp{predictions.get('low_30d', 0):,.2f}  
    **Expected Change:** {predictions.get('change_pct', 0):.2f}%  

    **TP1:** Rp{predictions.get('tp1', 0):,.2f}  
    **TP2:** Rp{predictions.get('tp2', 0):,.2f}  
    **Stop Loss:** Rp{predictions.get('sl', 0):,.2f}  

    **Model Insight:**  
    {predictions.get('summary', 'No analysis available')}
    """

    combined = f"""
    <div style="display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;">
        <div style="flex:1;min-width:300px;background-color:white;border-radius:8px;padding:12px;border:1px solid #e5e7eb;">{fundamentals}</div>
        <div style="flex:1;min-width:300px;background-color:white;border-radius:8px;padding:12px;border:1px solid #e5e7eb;">{trading_signal}</div>
        <div style="flex:1;min-width:300px;background-color:white;border-radius:8px;padding:12px;border:1px solid #e5e7eb;">{prediction}</div>
    </div>
    """

    return (
        combined,
        fig_price,
        fig_technical,
        fig_prediction,
    )


# ---------------------- UI ----------------------
with gr.Blocks(
    title="REXPRO Financial AI Dashboard",
    theme=gr.themes.Soft(primary_hue="blue", secondary_hue="gray"),
) as app:

    gr.Markdown(
        """
        # 💹 REXPRO Financial AI Dashboard  
        Analyze **Indonesian stocks (IDX)** using AI-powered forecasting and technical indicators.
        """
    )

    with gr.Row():
        symbol = gr.Textbox(
            label="Stock Symbol (IDX)",
            value="BBCA",
            placeholder="e.g., BBCA, TLKM, ADRO, BMRI",
        )
        prediction_days = gr.Slider(
            label="Forecast Period (Days)",
            minimum=5,
            maximum=60,
            step=5,
            value=30,
        )
        analyze_button = gr.Button("🔍 Run Analysis", variant="primary")

    gr.Markdown("---")

    report_section = gr.HTML(label="Analysis Summary")

    gr.Markdown("---")
    gr.Markdown("### 📈 Market Charts")

    with gr.Tabs():
        with gr.Tab("Price Overview"):
            price_chart = gr.Plot(label="Price & Moving Averages")

        with gr.Tab("Technical Indicators"):
            technical_chart = gr.Plot(label="Technical Indicator Overview")

        with gr.Tab("AI Forecast"):
            prediction_chart = gr.Plot(label="AI Forecast Projection")

    analyze_button.click(
        fn=update_analysis,
        inputs=[symbol, prediction_days],
        outputs=[report_section, price_chart, technical_chart, prediction_chart],
    )


if __name__ == "__main__":
    app.launch(server_name="0.0.0.0", server_port=7860, ssr_mode=True)