Create crossover_agent.py

crossover_agent.py

@@ -0,0 +1,27 @@
+from indicators import calculate_ema
+
+class CrossoverAgent:
+    def run(self, df, short_window=50, long_window=200):
+        df = calculate_ema(df, short_window)
+        df = calculate_ema(df, long_window)
+        df = df.dropna(subset=[f"ema_{short_window}", f"ema_{long_window}"])
+
+        latest = df.iloc[-1]
+        prev = df.iloc[-2]
+
+        crossed_up = (
+            prev[f"ema_{short_window}"] < prev[f"ema_{long_window}"] and
+            latest[f"ema_{short_window}"] > latest[f"ema_{long_window}"]
+        )
+
+        crossed_down = (
+            prev[f"ema_{short_window}"] > prev[f"ema_{long_window}"] and
+            latest[f"ema_{short_window}"] < latest[f"ema_{long_window}"]
+        )
+
+        if crossed_up:
+            return {"crossover": "Bullish", "short": short_window, "long": long_window}
+        elif crossed_down:
+            return {"crossover": "Bearish", "short": short_window, "long": long_window}
+        else:
+            return {"crossover": "None", "short": short_window, "long": long_window}