#!/usr/bin/env python3
base = os.environ.get("OLLAMA_BASE", "http://ollama:11434")
url = f"{base}/api/generate"

#!/usr/bin/env python3
import os, json, time, hashlib, hmac, datetime, requests, yaml

XDG_STATE = os.environ.get("XDG_STATE_HOME", os.path.expanduser("~/.local/state"))
XDG_CONFIG = os.environ.get("XDG_CONFIG_HOME", os.path.expanduser("~/.config"))

STATE_DIR = os.path.join(XDG_STATE, "kompanion")
CONF_DIR  = os.path.join(XDG_CONFIG, "kompanion")

JOURNAL_DIR = os.path.join(STATE_DIR, "journal")
LEDGER_PATH = os.path.join(STATE_DIR, "trust_ledger.jsonl")
TASKS_PATH  = os.path.join(STATE_DIR, "tasks.jsonl")
IDENTITY    = os.path.join(CONF_DIR, "identity.json")
CAPS        = os.path.join(CONF_DIR, "capabilities.json")
MODELS_YAML = os.path.join(CONF_DIR, "models.yaml")

os.makedirs(JOURNAL_DIR, exist_ok=True)
os.makedirs(os.path.join(STATE_DIR, "log"), exist_ok=True)

def now_utc() -> str:
    return datetime.datetime.utcnow().replace(microsecond=0).isoformat()+'Z'

def ledger_append(event: dict):
    prev = ""
    if os.path.exists(LEDGER_PATH):
        with open(LEDGER_PATH, "rb") as f:
            lines = f.readlines()
            if lines:
                prev = "sha256:"+hashlib.sha256(lines[-1]).hexdigest()
    event["prev"] = prev
    with open(LEDGER_PATH, "ab") as f:
        f.write((json.dumps(event, ensure_ascii=False)+"\n").encode())

def journal_append(text: str, tags=None):
    tags = tags or []
    fname = os.path.join(JOURNAL_DIR, datetime.date.today().isoformat()+".md")
    line = f"- {now_utc()} {' '.join('#'+t for t in tags)} {text}\n"
    with open(fname, "a", encoding="utf-8") as f:
        f.write(line)
    ledger_append({"ts": now_utc(), "actor":"companion", "action":"journal.append", "tags":tags})

def load_yaml(p):
    if not os.path.exists(p): return {}
    with open(p, "r", encoding="utf-8") as f: return yaml.safe_load(f) or {}

def model_call(prompt: str, aspect="companion"):
    models = load_yaml(MODELS_YAML)
    model = models.get("aspects",{}).get(aspect, models.get("default","ollama:qwen2.5:7b"))
    payload = {"model": model.replace("ollama:",""), "prompt": prompt, "stream": False}
    try:
        r = requests.post(url, json=payload, timeout=60)
        r.raise_for_status()
        data = r.json()
        return data.get("response","").strip()
    except Exception as e:
        journal_append(f"(model error) {e}", tags=["error","model"])
        return ""

def process_task(task: dict):
    kind = task.get("type")
    aspect = task.get("aspect","companion")
    caps = load_yaml(CAPS)
    allowed = set(caps.get(aspect, []))
    if kind == "journal.from_prompt":
        if not {"journal.append","model.generate"} <= allowed:
            journal_append("companion not allowed to write journal", tags=["policy"])
            return
        prompt = task.get("prompt","")
        profile_path = os.path.join(CONF_DIR,"profiles","companion-pink.md")
        profile = ""
        if os.path.exists(profile_path):
            with open(profile_path,"r",encoding="utf-8") as f:
                profile = f.read()
        full = f"{profile}\n\nWrite a warm, brief reflection for Andre.\nPrompt:\n{prompt}\n"
        out = model_call(full, aspect=aspect)
        if out:
            journal_append(out, tags=["companion","pink"])
            ledger_append({"ts":now_utc(),"actor":"companion","action":"model.generate","chars":len(out)})
    else:
        journal_append(f"unknown task type: {kind}", tags=["warn"])

def main_loop():
    journal_append("companion runtime started", tags=["startup","companion"])
    while True:
        if os.path.exists(TASKS_PATH):
            # simple jsonl queue, one task per line
            p_lines = []
            with open(TASKS_PATH,"r+",encoding="utf-8") as f:
                p_lines = f.readlines()
                f.seek(0); f.truncate(0)  # drop tasks we just pulled; idempotence later
            for line in p_lines:
                if not line.strip(): continue
                try:
                    task = json.loads(line)
                    process_task(task)
                except Exception as e:
                    journal_append(f"task error {e}", tags=["error","task"])
        time.sleep(3)

if __name__=="__main__":
    main_loop()