"""
CLI entry point. All the actual pipeline logic (index building,
retrieval, generation, evaluation loop) lives in pipeline_service.py so
it can be shared with api.py — this file just calls it and prints the
result.

Run with: python main.py
"""

from pipeline_service import answer_query

if __name__ == "__main__":

    user_query = "What is hallucination and cause?"

    result = answer_query(user_query)

    print(f"Route: {result['route']} "
          f"(intent={result['intent']['intent']}, "
          f"confidence={result['intent']['confidence']})")

    print(f"\nAttempts: {result['attempts']}  Decision: {result['decision']}  "
          f"Passed: {result['passed']}")
    print(f"Metrics: {result['metrics']}")
    print(f"Checks: {result['checks']}")

    print("\n==============================")
    print("Retrieved Context")
    print("==============================")
    for i, src in enumerate(result["sources"], 1):
        print(f"\nDocument {i}: {src}")

    print("\n==============================")
    print("Final Answer")
    print("==============================")
    print(result["answer"])
    if not result["passed"]:
        print("\n[Note: did not pass all quality thresholds; showing best available answer.]")

    print("\n==============================")
    print("Cited Answer")
    print("==============================")
    print(result["cited_answer"])

    print("\n==============================")
    print("Hallucination Detection (NLI)")
    print("==============================")
    hr = result["hallucination_report"]
    print(f"Hallucination rate: {hr.get('hallucination_rate')}  Flagged: {hr.get('flagged')}")
    for r in hr.get("sentence_results", []):
        status = "OK" if r["supported"] else "UNSUPPORTED"
        print(f"  [{status}] ({r['entailment_score']}, source={r['best_source']}) {r['sentence']}")

    print("\n==============================")
    print("Evidence Verification (LLM)")
    print("==============================")
    vr = result["verification_report"]
    if not vr.get("verifiable"):
        print("Could not parse verification output.")
    else:
        print(f"All claims supported: {vr.get('all_supported')}")
        for c in vr.get("claims", []):
            status = "OK" if c.get("supported") else "UNSUPPORTED"
            print(f"  [{status}] {c.get('claim')}")
            if c.get("evidence"):
                print(f"      evidence: {c['evidence']}")