import asyncio
import httpx
import sys
import uuid

# LOCAL TARGET
TARGET_URL = "http://localhost:8000/api/guvi/analyze"

async def run_simulation():
    session_id = f"LOCAL-SIM-{uuid.uuid4().hex[:6]}"
    print(f"🚀 STARTING LOCAL GUVI SIMULATION (Session: {session_id})")
    print("────────────────────────────────────────────────────────")
    
    # 3-Turn Sequence (User -> Bot -> User -> Bot -> User -> Bot) = 6 Messages
    turns = [
        "Hello, who is this?",
        "I received a message about my bank account locking.",
        "Okay, I am ready to pay. Where do I send the money?"
    ]
    
    history = []
    
    async with httpx.AsyncClient(timeout=30.0) as client:
        for i, text in enumerate(turns):
            print(f"\n📤 Sending Turn {i+1}/3: '{text}'")
            
            payload = {
                "sessionId": session_id,
                "message": {
                    "text": text,
                    "sender": "user"
                },
                "conversationHistory": history,
                "metadata": {"source": "local_sim"}
            }
            
            try:
                resp = await client.post(TARGET_URL, json=payload)
                if resp.status_code == 200:
                    data = resp.json()
                    reply = data.get("reply", "No reply")
                    metrics = data.get("engagementMetrics", {})
                    
                    print(f"✅ Response {i+1}: '{reply[:50]}...'")
                    print(f"   Metrics: {metrics.get('totalMessagesExchanged', 0)} msgs, {metrics.get('engagementDurationSeconds', 0)}s")
                    
                    # Update History for next turn
                    history.append({"text": text, "sender": "user"})
                    history.append({"text": reply, "sender": "bot"})
                    
                    # Check for Callback Conditions
                    if i == 2:
                        print("\n🔎 Verifying Callback Trigger (Turn 3/3)...")
                        if metrics.get('totalMessagesExchanged', 0) >= 6:
                            print("✅ SUCCESS: Message count >= 6. Callback should fire in server logs.")
                        else:
                            print("❌ FAILURE: Message count < 6.")
                else:
                    print(f"❌ Error {resp.status_code}: {resp.text}")
                    
            except Exception as e:
                print(f"⚠️ Request Failed: {e}")
                break
                
    print("\n🏁 Simulation Complete. Check server logs for '[GUVI] Final callback sent'.")

if __name__ == "__main__":
    try:
        asyncio.run(run_simulation())
    except KeyboardInterrupt:
        pass