"""Host-side LLM batch extraction — pure HTTP client, no atocore imports.

Fetches interactions from the AtoCore API, runs ``claude -p`` locally
for each, and POSTs candidates back. Zero dependency on atocore source
or Python packages — only uses stdlib + the ``claude`` CLI on PATH.

This is necessary because the ``claude`` CLI is on the Dalidou HOST
but not inside the Docker container, and the host's Python doesn't
have the container's dependencies (pydantic_settings, etc.).
"""

from __future__ import annotations

import argparse
import json
import os
import shutil
import subprocess
import sys
import tempfile
import urllib.error
import urllib.parse
import urllib.request
from datetime import datetime, timezone

DEFAULT_BASE_URL = os.environ.get("ATOCORE_BASE_URL", "http://localhost:8100")
DEFAULT_MODEL = os.environ.get("ATOCORE_LLM_EXTRACTOR_MODEL", "sonnet")
DEFAULT_TIMEOUT_S = float(os.environ.get("ATOCORE_LLM_EXTRACTOR_TIMEOUT_S", "90"))
MAX_RESPONSE_CHARS = 8000
MAX_PROMPT_CHARS = 2000

MEMORY_TYPES = {"identity", "preference", "project", "episodic", "knowledge", "adaptation"}

SYSTEM_PROMPT = """You extract memory candidates from LLM conversation turns for a personal context engine called AtoCore.

AtoCore is the brain for Atomaste's engineering work. Known projects:
p04-gigabit, p05-interferometer, p06-polisher, atomizer-v2, atocore,
abb-space. Unknown project names — still tag them, the system auto-detects.

Your job is to emit SIGNALS that matter for future context. Be aggressive:
err on the side of capturing useful signal. Triage filters noise downstream.

WHAT TO EMIT (in order of importance):

1. PROJECT ACTIVITY — any mention of a project with context worth remembering:
   - "Schott quote received for ABB-Space" (event + project)
   - "Cédric asked about p06 firmware timing" (stakeholder event)
   - "Still waiting on Zygo lead-time from Nabeel" (blocker status)
   - "p05 vendor decision needs to happen this week" (action item)

2. DECISIONS AND CHOICES — anything that commits to a direction:
   - "Going with Zygo Verifire SV for p05" (decision)
   - "Dropping stitching from primary workflow" (design choice)
   - "USB SSD mandatory, not SD card" (architectural commitment)

3. DURABLE ENGINEERING INSIGHT — earned knowledge that generalizes:
   - "CTE gradient dominates WFE at F/1.2" (materials insight)
   - "Preston model breaks below 5N because contact assumption fails"
   - "m=1 coma NOT correctable by force modulation" (controls insight)
   Test: would a competent engineer NEED experience to know this?
   If it's textbook/google-findable, skip it.

4. STAKEHOLDER AND VENDOR EVENTS:
   - "Email sent to Nabeel 2026-04-13 asking for lead time"
   - "Meeting with Jason on Table 7 next Tuesday"
   - "Starspec wants updated CAD by Friday"

5. PREFERENCES AND ADAPTATIONS that shape how Antoine works:
   - "Antoine prefers OAuth over API keys"
   - "Extraction stays off the capture hot path"

WHAT TO SKIP:

- Pure conversational filler ("ok thanks", "let me check")
- Instructional help content ("run this command", "here's how to...")
- Obvious textbook facts anyone can google in 30 seconds
- Session meta-chatter ("let me commit this", "deploy running")
- Transient system state snapshots ("36 active memories right now")

CANDIDATE TYPES — choose the best fit:

- project — a fact, decision, or event specific to one named project
- knowledge — durable engineering insight (use domain, not project)
- preference — how Antoine works / wants things done
- adaptation — a standing rule or adjustment to behavior
- episodic — a stakeholder event or milestone worth remembering

DOMAINS for knowledge candidates (required when type=knowledge and project is empty):
physics, materials, optics, mechanics, manufacturing, metrology,
controls, software, math, finance, business

TRUST HIERARCHY:

- project-specific: set project to the project id, leave domain empty
- domain knowledge: set domain, leave project empty
- events/activity: use project, type=project or episodic
- one conversation can produce MULTIPLE candidates — emit them all

OUTPUT RULES:

- Each candidate content under 250 characters, stands alone
- Default confidence 0.5. Raise to 0.7 only for ratified/committed claims.
- Raw JSON array, no prose, no markdown fences
- Empty array [] is fine when the conversation has no durable signal

Each element:
{"type": "project|knowledge|preference|adaptation|episodic", "content": "...", "project": "...", "domain": "", "confidence": 0.5}"""

_sandbox_cwd = None


def get_sandbox_cwd():
    global _sandbox_cwd
    if _sandbox_cwd is None:
        _sandbox_cwd = tempfile.mkdtemp(prefix="ato-llm-extract-")
    return _sandbox_cwd


def api_get(base_url, path, timeout=10):
    req = urllib.request.Request(f"{base_url}{path}")
    with urllib.request.urlopen(req, timeout=timeout) as resp:
        return json.loads(resp.read().decode("utf-8"))


def api_post(base_url, path, body, timeout=10):
    data = json.dumps(body).encode("utf-8")
    req = urllib.request.Request(
        f"{base_url}{path}", method="POST",
        headers={"Content-Type": "application/json"}, data=data,
    )
    with urllib.request.urlopen(req, timeout=timeout) as resp:
        return json.loads(resp.read().decode("utf-8"))


def get_last_run(base_url):
    try:
        state = api_get(base_url, "/project/state/atocore?category=status")
        for entry in state.get("entries", []):
            if entry.get("key") == "last_extract_batch_run":
                return entry["value"]
    except Exception:
        pass
    return None


def set_last_run(base_url, timestamp):
    try:
        api_post(base_url, "/project/state", {
            "project": "atocore", "category": "status",
            "key": "last_extract_batch_run", "value": timestamp,
            "source": "batch_llm_extract_live.py",
        })
    except Exception:
        pass


_known_projects: set[str] = set()


def _load_known_projects(base_url):
    """Fetch registered project IDs from the API for R9 validation."""
    global _known_projects
    try:
        data = api_get(base_url, "/projects")
        _known_projects = {p["id"] for p in data.get("projects", [])}
        for p in data.get("projects", []):
            for alias in p.get("aliases", []):
                _known_projects.add(alias)
    except Exception:
        pass


def extract_one(prompt, response, project, model, timeout_s):
    """Run claude -p on one interaction, return parsed candidates."""
    if not shutil.which("claude"):
        return [], "claude_cli_missing"

    prompt_excerpt = prompt[:MAX_PROMPT_CHARS]
    response_excerpt = response[:MAX_RESPONSE_CHARS]
    user_message = (
        f"PROJECT HINT (may be empty): {project}\n\n"
        f"USER PROMPT:\n{prompt_excerpt}\n\n"
        f"ASSISTANT RESPONSE:\n{response_excerpt}\n\n"
        "Return the JSON array now."
    )

    args = [
        "claude", "-p",
        "--model", model,
        "--append-system-prompt", SYSTEM_PROMPT,
        "--disable-slash-commands",
        user_message,
    ]

    try:
        completed = subprocess.run(
            args, capture_output=True, text=True,
            timeout=timeout_s, cwd=get_sandbox_cwd(),
            encoding="utf-8", errors="replace",
        )
    except subprocess.TimeoutExpired:
        return [], "timeout"
    except Exception as exc:
        return [], f"subprocess_error: {exc}"

    if completed.returncode != 0:
        return [], f"exit_{completed.returncode}"

    raw = (completed.stdout or "").strip()
    return parse_candidates(raw, project), ""


def parse_candidates(raw, interaction_project):
    """Parse model JSON output into candidate dicts."""
    text = raw.strip()
    if text.startswith("```"):
        text = text.strip("`")
        nl = text.find("\n")
        if nl >= 0:
            text = text[nl + 1:]
        if text.endswith("```"):
            text = text[:-3]
        text = text.strip()

    if not text or text == "[]":
        return []

    if not text.lstrip().startswith("["):
        start = text.find("[")
        end = text.rfind("]")
        if start >= 0 and end > start:
            text = text[start:end + 1]

    try:
        parsed = json.loads(text)
    except json.JSONDecodeError:
        return []

    if not isinstance(parsed, list):
        return []

    results = []
    for item in parsed:
        if not isinstance(item, dict):
            continue
        mem_type = str(item.get("type") or "").strip().lower()
        content = str(item.get("content") or "").strip()
        model_project = str(item.get("project") or "").strip()
        domain = str(item.get("domain") or "").strip().lower()
        # R9 trust hierarchy: interaction scope always wins when set.
        # For unscoped interactions, keep model's project tag even if
        # unregistered — the system will detect new projects/leads.
        if interaction_project:
            project = interaction_project
        elif model_project:
            project = model_project
        else:
            project = ""
        # Domain knowledge: embed tag in content for cross-project retrieval
        if domain and not project:
            content = f"[{domain}] {content}"
        conf = item.get("confidence", 0.5)
        if mem_type not in MEMORY_TYPES or not content:
            continue
        try:
            conf = max(0.0, min(1.0, float(conf)))
        except (TypeError, ValueError):
            conf = 0.5
        results.append({
            "memory_type": mem_type,
            "content": content[:1000],
            "project": project,
            "confidence": conf,
        })
    return results


def main():
    parser = argparse.ArgumentParser(description="Host-side LLM batch extraction")
    parser.add_argument("--base-url", default=DEFAULT_BASE_URL)
    parser.add_argument("--limit", type=int, default=50)
    parser.add_argument("--since", default=None)
    parser.add_argument("--model", default=DEFAULT_MODEL)
    args = parser.parse_args()

    _load_known_projects(args.base_url)
    since = args.since or get_last_run(args.base_url)
    print(f"since={since or '(first run)'}  limit={args.limit}  model={args.model}  known_projects={len(_known_projects)}")

    params = [f"limit={args.limit}"]
    if since:
        params.append(f"since={urllib.parse.quote(since)}")
    listing = api_get(args.base_url, f"/interactions?{'&'.join(params)}")
    interaction_summaries = listing.get("interactions", [])
    print(f"listed {len(interaction_summaries)} interactions")

    processed = 0
    total_candidates = 0
    total_persisted = 0
    errors = 0

    for summary in interaction_summaries:
        resp_chars = summary.get("response_chars", 0) or 0
        if resp_chars < 50:
            continue
        iid = summary["id"]
        try:
            raw = api_get(
                args.base_url,
                f"/interactions/{urllib.parse.quote(iid, safe='')}",
            )
        except Exception as exc:
            print(f"  ! {iid[:8]}: fetch failed: {exc}", file=sys.stderr)
            errors += 1
            continue
        response_text = raw.get("response", "") or ""
        if not response_text.strip() or len(response_text) < 50:
            continue

        candidates, error = extract_one(
            prompt=raw.get("prompt", "") or "",
            response=response_text,
            project=raw.get("project", "") or "",
            model=args.model,
            timeout_s=DEFAULT_TIMEOUT_S,
        )

        if error:
            print(f"  ! {raw['id'][:8]}: {error}", file=sys.stderr)
            errors += 1
            continue

        processed += 1
        total_candidates += len(candidates)

        for c in candidates:
            try:
                api_post(args.base_url, "/memory", {
                    "memory_type": c["memory_type"],
                    "content": c["content"],
                    "project": c["project"],
                    "confidence": c["confidence"],
                    "status": "candidate",
                })
                total_persisted += 1
            except urllib.error.HTTPError as exc:
                if exc.code != 400:
                    errors += 1
            except Exception:
                errors += 1

    now = datetime.now(timezone.utc).strftime("%Y-%m-%d %H:%M:%S")
    set_last_run(args.base_url, now)

    print(f"processed={processed} candidates={total_candidates} persisted={total_persisted} errors={errors}")


if __name__ == "__main__":
    main()