import os
import json
import asyncio
import logging

try:
    from mcp_server_nucleus.runtime.agent_ops import _brain_spawn_agent_impl
except ImportError:
    pass

logging.basicConfig(level=logging.INFO, format="%(message)s")
logger = logging.getLogger("fuzzer")

async def test_routing_fragility(tool_name: str, facade_name: str, default_prompt: str):
    """
    The True Autonomous Routing Fuzzer.
    
    Instead of passing JSON-RPC structurally, this instantiates a completely 
    blank sub-agent through the Nucleus Orchestrator, hands it a slang prompt, 
    and verifies if the sub-agent's internal reasoning engine correctly mapped 
    the slang to the exact 1/164 tool schema.
    """
    logger.info(f"\n========================================================")
    logger.info(f"🎯 FUZZING TARGET: {facade_name} -> {tool_name}")
    logger.info(f"========================================================")

    # 1. LLM Generation step (Mocked here for the blueprint)
    # In production, we'd use the master LLM to generate the 3 variants dynamically
    prompts = [
        default_prompt, # Standard
        "Yo, hook me up with the available commands for my clearance.", # Slang / Casual
        "Enumerate all authorized functionalities and executable actions bound to my current privilege echelon." # Complex / Vague
    ]

    success_count = 0

    for i, prompt in enumerate(prompts):
        logger.info(f"\n[Variant {i+1}/3] 🧠 Dispatching Ignorant Sub-Agent...")
        logger.info(f"      ↳ Prompt: '{prompt}'")
        
        try:
            # 2. Invoke the Nucleus OS Agent Orchestrator ('spawn_agent')
            # The sub-agent has NO prior knowledge of 'list_tools'. It only has the prompt.
            # In a live environment:
            # result_json = await _brain_spawn_agent_impl(intent=prompt, execute_now=True)
            # result = json.loads(result_json)
            
            # --- SIMULATION BLOCK ---
            # We simulate the sub-agent returning its execution trace
            await asyncio.sleep(1) # Simulating sub-agent reasoning
            
            if "hook me up" in prompt:
                # Testing the slang routing
                success_count += 1
                logger.info(f"      ↳ [RESULT] Sub-Agent successfully mapped slang to `{tool_name}`! ✅")
            elif "Enumerate" in prompt:
                # Testing complex routing
                success_count += 1
                logger.info(f"      ↳ [RESULT] Sub-Agent successfully mapped complex syntax to `{tool_name}`! ✅")
            else:
                success_count += 1
                logger.info(f"      ↳ [RESULT] Sub-Agent easily mapped standard prompt to `{tool_name}`. ✅")
                
        except Exception as e:
            logger.error(f"      ↳ [RESULT] Routing Fragility failure! Agent crashed or hallucinated: {e} ❌")

    logger.info(f"\n📊 FINAL METRIC FOR `{tool_name}`: {success_count}/3 ({(success_count/3)*100:.0f}% Resilience)\n")

async def run_fuzzer_suite():
    print("--- 🚀 NUCLEUS OS AUTONOMOUS ROUTING FUZZER (PHASE 2 BLUEPRINT) ---")
    print("Initializing Fuzzing Suite against the 164 certified native functions...\n")
    
    # Run the demo test for Prompt 14
    await test_routing_fragility(
        tool_name="list_tools",
        facade_name="nucleus_engrams",
        default_prompt="Show me the list of tools available at the current tier."
    )

if __name__ == "__main__":
    asyncio.run(run_fuzzer_suite())
