"""
Start Emma:   python emma_run.py
Statistikk:   python emma_run.py --stats
"""
import sys
import argparse
from pathlib import Path

sys.path.insert(0, str(Path(__file__).parent.parent))

from emma.emma_backend_ollama import OllamaBackend
from emma.emma_resonance_persistent import PersistentMorphicMemory
from emma.emma_mcot import EmmaMCoTAgent
from emma.emma_guardrails import EmmaGuardrails
from emma.emma_flynn import FlynnTracker


def main():
    parser = argparse.ArgumentParser(description="Emma AI Agent REPL")
    parser.add_argument("--model", default="llama3.2")
    parser.add_argument("--embed", default="nomic-embed-text")
    parser.add_argument("--stats", action="store_true")
    args = parser.parse_args()

    if args.stats:
        s = FlynnTracker().summary()
        print("📊 Flynn-statistikk:")
        for k, v in (s or {}).items():
            print(f"  {k}: {v:.4f}" if isinstance(v, float) else f"  {k}: {v}")
        return

    llm = OllamaBackend(model=args.model, embed_model=args.embed)
    memory = PersistentMorphicMemory()
    guardrails = EmmaGuardrails()
    agent = EmmaMCoTAgent(llm=llm, memory=memory)

    print(f"🤖 Emma klar | Modell: {args.model} | Morfisk minne: {len(memory)} mønstre")
    print("exit=avslutt  stats=Flynn-statistikk\n")

    history = []
    while True:
        try:
            user_input = input("Chris> ").strip()
        except (KeyboardInterrupt, EOFError):
            break
        if user_input.lower() in ("exit", "quit"):
            break
        if user_input.lower() == "stats":
            print(FlynnTracker().summary())
            continue
        if not user_input:
            continue
        ok, reason = guardrails.can_execute(user_input)
        if not ok:
            print(f"🛡️ {reason}")
            continue
        response = agent.run(user_input, history)
        history.append({"role": "user", "content": user_input})
        history.append({"role": "assistant", "content": response})
        print(f"Emma> {response}\n")


if __name__ == "__main__":
    main()