# pi_brain_daemon.py - Runs 100% Offline on Raspberry Pi 4
import serial, json, requests, ephem

ser = serial.Serial('/dev/ttyACM0', 115200, timeout=1)

def compute_astrology(m, d, y, h, mi, lat, lng):
    obs = ephem.Observer()
    obs.lat = str(lat)
    obs.lon = str(lng)
    obs.date = f"{y}/{m}/{d} {h}:{mi}:00"
    # Returns (actor, stage, atmosphere)
    return "A stranger marked by exile", "An iron-gated tower", "Salt wind and cold ash"

def generate_local_story(actor, stage, atmosphere):
    prompt = f"Weave a 3-sentence gothic scene with: Actor={actor}, Stage={stage}, Atmosphere={atmosphere}"
    res = requests.post('http://localhost:11434/api/generate', json={
        "model": "llama3.2:1b",
        "prompt": prompt,
        "stream": False
    })
    return res.json()['response']

while True:
    raw = ser.readline().decode('utf-8').strip()
    if raw.startswith('{'):
        packet = json.loads(raw)
        if packet.get('status') == 'LOCKED':
            a, s, at = compute_astrology(packet['month'], packet['day'], packet['year'], packet['hour'], packet['minute'], packet['lat'], packet['lng'])
            story = generate_local_story(a, s, at)
            print("\n" + "="*50 + "\n" + story + "\n" + "="*50)