"""
04_mql5_signal_reader.py
========================

Read MQL5 indicator signals (e.g. Alpha Trend) from MT5 GlobalVariables
through the mt5bridge-ccxt wrapper, and react to them in Python.

This is the recommended pattern when you want to use complex MQL5
indicators in your Python strategies without re-implementing them.
"""

import time
from datetime import datetime

import mt5bridge_ccxt


def main():
    exchange = mt5bridge_ccxt.mt5bridge({
        "apiKey": "your-api-key",
        "host": "http://localhost:8080",
        "symbols": {"XAU/USD": "XAUUSDc"},
    })

    # ─── 1. List all GlobalVariables on MT5 ───────────────────────
    print("All GlobalVariables on MT5:")
    for gv in exchange.mql5.list():
        print(f"  {gv['name']:60s} = {gv['value']}")

    # ─── 2. Read Alpha Trend signal (H1) ──────────────────────────
    print("\nAlpha Trend signal (XAUUSDc H1, length=14, ATR=1.0):")
    signal = exchange.mql5.alpha_trend_signal(
        symbol="XAUUSDc",
        timeframe="H1",
        length=14,
        atr_mult=1.0,
        use_volume=0,      # 0=RSI mode, 1=MFI mode
        show_signals=1,    # 0=no, 1=yes
    )
    for k, v in signal.items():
        print(f"  {k:8s} = {v}")

    # ─── 3. Read custom indicator signal ──────────────────────────
    print("\nCustom signal from MY_SIGNAL_XAUUSDc_PERIOD_H1:")
    custom = exchange.mql5.get("MY_SIGNAL_XAUUSDc_PERIOD_H1")
    print(f"  value = {custom}")

    # ─── 4. Combine indicator signal with order placement ─────────
    print("\n--- Live trading loop (CTRL+C to stop) ---")
    last_trend = None
    while True:
        try:
            sig = exchange.mql5.alpha_trend_signal("XAUUSDc", "H1")
            trend = sig.get("trend")
            if trend is None or trend == last_trend:
                time.sleep(30)
                continue

            print(f"\n[{datetime.now():%H:%M:%S}] Trend changed: {last_trend} -> {trend}")
            last_trend = trend

            # Get current positions
            positions = exchange.fetch_positions(["XAU/USD"])
            has_long = any(p["side"] == "long" for p in positions)
            has_short = any(p["side"] == "short" for p in positions)

            ticker = exchange.fetch_ticker("XAU/USD")
            bid, ask = ticker["bid"], ticker["ask"]

            if trend == 1 and not has_long:
                # Trend turned long
                if has_short:
                    print("  Closing short position")
                    for p in positions:
                        if p["side"] == "short":
                            exchange.mql5.send_close_command(int(p["id"]))
                print(f"  Opening LONG: {ask} sl={ask-5:.2f} tp={ask+10:.2f}")
                exchange.create_order(
                    "XAU/USD", "market", "buy", 0.01,
                    price=ask,
                    params={"sl": ask - 5, "tp": ask + 10, "magic": 999, "comment": "alpha-trend"},
                )

            elif trend == -1 and not has_short:
                # Trend turned short
                if has_long:
                    print("  Closing long position")
                    for p in positions:
                        if p["side"] == "long":
                            exchange.mql5.send_close_command(int(p["id"]))
                print(f"  Opening SHORT: {bid} sl={bid+5:.2f} tp={bid-10:.2f}")
                exchange.create_order(
                    "XAU/USD", "market", "sell", 0.01,
                    price=bid,
                    params={"sl": bid + 5, "tp": bid - 10, "magic": 999, "comment": "alpha-trend"},
                )

        except KeyboardInterrupt:
            print("\nStopped.")
            break
        except Exception as e:
            print(f"  Error: {e}")
            time.sleep(10)
        time.sleep(30)


if __name__ == "__main__":
    main()