Create app.py

app.py

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+import random
+from typing import TypedDict
+import gradio as gr
+from langgraph.graph import StateGraph, END
+
+# ----------------------
+# LangGraph Game Logic
+# ----------------------
+class GameState(TypedDict):
+    bet: int
+    result: str
+    roll: int
+
+
+def node_roll(state: GameState):
+    roll = random.randint(1, 6) + random.randint(1, 6)
+    state["roll"] = roll
+    return state
+
+
+def node_win(state: GameState):
+    state["result"] = "win"
+    return state
+
+
+def node_loss(state: GameState):
+    state["result"] = "loss"
+    return state
+
+
+def decide(state: GameState):
+    if state["roll"] <= state["bet"]:
+        return "win_node"
+    return "loss_node"
+
+
+# Build LangGraph
+graph = StateGraph(GameState)
+graph.add_node("roll_node", node_roll)
+graph.add_node("win_node", node_win)
+graph.add_node("loss_node", node_loss)
+
+graph.set_entry_point("roll_node")
+graph.add_conditional_edges("roll_node", decide)
+graph.add_edge("win_node", END)
+graph.add_edge("loss_node", END)
+
+app = graph.compile()
+
+
+# ----------------------
+# Gradio App State
+# ----------------------
+class Dashboard:
+    def __init__(self):
+        self.total = 0
+        self.history = []
+
+    def update(self, result):
+        if result == "win":
+            self.total += 10
+        else:
+            self.total -= 5
+        self.history.append(result)
+
+
+dashboard = Dashboard()
+
+
+# ----------------------
+# Game Function
+# ----------------------
+def play_game(bet):
+    if bet is None or bet < 2 or bet > 12:
+        return "Enter a valid bet (2-12)", dashboard.total, str(dashboard.history)
+
+    state = {"bet": int(bet)}
+    result_state = app.invoke(state)
+
+    roll = result_state["roll"]
+    result = result_state["result"]
+
+    dashboard.update(result)
+
+    message = f"🎲 Dice Roll: {roll} → You {result.upper()}"
+    return message, dashboard.total, str(dashboard.history)
+
+
+def stop_game():
+    return "🛑 Game stopped.", dashboard.total, str(dashboard.history)
+
+
+# ----------------------
+# Gradio UI (HF Spaces Ready)
+# ----------------------
+with gr.Blocks(title="Dice Betting Game") as demo:
+    gr.Markdown("""
+    # 🎲 Dice Betting Game (LangGraph)
+    Place a bet between 2 and 12.\n
+    - Win → +$10  
+    - Loss → -$5
+    """)
+
+    with gr.Row():
+        bet_input = gr.Number(label="Enter your bet (2-12)")
+
+    with gr.Row():
+        play_btn = gr.Button("🎯 Place Bet")
+        stop_btn = gr.Button("🛑 Stop")
+
+    output = gr.Textbox(label="Game Output")
+    total_score = gr.Number(label="💰 Total Winnings ($)")
+    history_box = gr.Textbox(label="📜 Game History")
+
+    play_btn.click(play_game, inputs=bet_input, outputs=[output, total_score, history_box])
+    stop_btn.click(stop_game, outputs=[output, total_score, history_box])
+
+
+# Required for Hugging Face Spaces
+app = demo
+
+
+# ----------------------
+# requirements.txt (create separately in repo)
+# ----------------------
+# gradio
+# langgraph