import os
from datetime import datetime

def log_transcript(persona, prompt, stimulus, response):
    name = persona.get("name", "Unknown")
    segment = persona.get("segment", "Unsegmented")
    traits = persona.get("dynamic_state", {})
    timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")

    log_entry = f"""
--- Driftline Transcript ---
Timestamp: {timestamp}
Persona: {name}
Segment: {segment}
Stimulus: {stimulus}
Prompt: {prompt}

Response:
{response}

Dynamic Traits:
{traits}
----------------------------
"""

    os.makedirs("transcripts", exist_ok=True)
    filename = f"transcripts/{name.replace(' ', '_')}_{timestamp.replace(':','-')}.txt"
    with open(filename, "w", encoding="utf-8") as f:
        f.write(log_entry)
    return filename