"""War Room + 1:1 agent chat — Hermes/mimo only, soul prompts, A2A rounds."""
from __future__ import annotations

import asyncio

import logging
import re
from typing import Any

from app.config import settings
from app.db import execute, fetch_all, fetch_one
from app.services import agent_souls, hermes_memory, llm_router
from app.services.agent_names import normalize_agent_key

log = logging.getLogger("cockpit.agent_chat")

MENTION_RE = re.compile(r"@([a-zA-Z][a-zA-Z0-9_-]{1,63})")
MAX_ROUNDS = 4
MAX_REPLIES_PER_ROUND = 3
HISTORY_LIMIT = 16
WARROOM_MAX_TOKENS = 512
WARROOM_TIMEOUT = 55.0
A2A_CONTINUE_MAX = 3
COCKPIT_SNAPSHOT_TTL = 60.0



_snapshot_cache: dict[str, Any] = {"at": 0.0, "text": ""}


def cockpit_snapshot(*, max_chars: int = 2200) -> str:
    """Compact live cockpit facts for War Room agents — accuracy first."""
    import time

    now = time.time()
    if _snapshot_cache.get("text") and (now - float(_snapshot_cache.get("at") or 0)) < COCKPIT_SNAPSHOT_TTL:
        return str(_snapshot_cache["text"])

    lines: list[str] = [
        "COCKPIT FEITEN (alleen dit mag je citeren; verzin niets erbuiten):",
        "SCHEIDING: CRM-klanten/deals ≠ retail-supermarktlocaties. Nooit CRM-namen als AH-filiaal presenteren.",
    ]

    # CRM
    try:
        row = fetch_one(
            """SELECT
                 (SELECT COUNT(*) FROM clients) AS clients,
                 (SELECT COUNT(*) FROM deals) AS deals,
                 (SELECT COALESCE(SUM(value),0) FROM deals WHERE stage NOT IN ('won','lost')) AS pipeline
            """
        ) or {}
        lines.append(
            f"- CRM: {row.get('clients', 0)} klanten · {row.get('deals', 0)} deals · "
            f"pipeline €{float(row.get('pipeline') or 0):,.0f}"
        )
        deals = fetch_all(
            """SELECT d.title, d.stage, d.value, c.name AS client_name
               FROM deals d
               LEFT JOIN clients c ON c.id = d.client_id
               WHERE d.stage NOT IN ('won','lost')
               ORDER BY d.updated_at DESC NULLS LAST
               LIMIT 6"""
        ) or []
        if deals:
            bits = []
            for d in deals:
                bits.append(
                    f"{d.get('client_name') or d.get('title') or '?'}[{d.get('stage')}"
                    f"/€{float(d.get('value') or 0):,.0f}]"
                )
            lines.append("- Open deals: " + "; ".join(bits))
        clients = fetch_all("SELECT name, stage FROM clients ORDER BY updated_at DESC NULLS LAST LIMIT 6") or []
        if clients:
            lines.append(
                "- CRM-klanten: "
                + ", ".join(f"{c.get('name')}({c.get('stage')})" for c in clients)
            )
    except Exception as exc:
        log.warning("snapshot CRM failed: %s", exc)
        lines.append("- CRM: (niet beschikbaar)")

    # Real AH / retail opportunities — exclude test rows
    try:
        ah = fetch_all(
            """
            SELECT s.id, s.name, s.address, s.postcode, s.city,
                   ros.halal_opportunity_score AS score,
                   COALESCE(s.partnership_status, ros.factors->>'partnership_status', 'none') AS status
            FROM retail_opportunity_scores ros
            JOIN supermarkets s ON s.id = ros.supermarket_id
            WHERE s.chain ILIKE '%albert%heijn%'
              AND s.name NOT ILIKE '%masala%'
              AND s.name NOT ILIKE '%TEST%'
              AND COALESCE(s.data_source,'') NOT ILIKE '%test_exclude%'
            ORDER BY ros.halal_opportunity_score DESC NULLS LAST, s.city, s.postcode
            LIMIT 8
            """
        ) or []
        if ah:
            lines.append("- Top Albert Heijn (halal-kans score, echte filialen):")
            for s in ah:
                lines.append(
                    f"  · AH {s.get('address')}, {s.get('postcode')} {s.get('city')} "
                    f"— score {float(s.get('score') or 0):.1f} · status {s.get('status')}"
                )
        else:
            lines.append("- Top Albert Heijn: geen geldige scores (geen testrecords).")
    except Exception as exc:
        log.warning("snapshot AH failed: %s", exc)
        lines.append("- Top Albert Heijn: (niet beschikbaar)")

    text = "\n".join(lines)[:max_chars]
    _snapshot_cache["at"] = now
    _snapshot_cache["text"] = text
    return text


def _iso(row: dict[str, Any] | None) -> dict[str, Any] | None:
    if not row:
        return None
    out = dict(row)
    for k, v in list(out.items()):
        if hasattr(v, "isoformat"):
            out[k] = v.isoformat()
    if isinstance(out.get("metadata"), str):
        try:
            import json
            out["metadata"] = json.loads(out["metadata"])
        except Exception:
            out["metadata"] = {}
    return out


def ensure_warroom() -> dict[str, Any]:
    row = fetch_one("SELECT * FROM warroom_rooms WHERE kind = 'warroom' LIMIT 1")
    if row:
        return _iso(row)  # type: ignore
    row = fetch_one(
        """INSERT INTO warroom_rooms (kind, title) VALUES ('warroom', 'War Room')
           RETURNING *"""
    )
    return _iso(row)  # type: ignore


def get_or_create_dm(agent_key: str) -> dict[str, Any]:
    key = normalize_agent_key(agent_key) or (agent_key or "").strip().lower()
    soul = agent_souls.get_soul(key)
    if not soul:
        raise ValueError(f"Onbekende agent: {agent_key}")
    row = fetch_one("SELECT * FROM warroom_rooms WHERE kind = 'dm' AND agent_key = %s", (key,))
    if row:
        return _iso(row)  # type: ignore
    title = f"DM · {soul.get('display_name') or key}"
    row = fetch_one(
        """INSERT INTO warroom_rooms (kind, agent_key, title)
           VALUES ('dm', %s, %s) RETURNING *""",
        (key, title),
    )
    return _iso(row)  # type: ignore


def list_rooms() -> list[dict[str, Any]]:
    ensure_warroom()
    rows = fetch_all(
        """SELECT r.*,
                  (SELECT COUNT(*) FROM warroom_messages m WHERE m.room_id = r.id) AS message_count,
                  (SELECT content FROM warroom_messages m WHERE m.room_id = r.id
                   ORDER BY m.created_at DESC LIMIT 1) AS last_message
           FROM warroom_rooms r
           ORDER BY CASE WHEN r.kind = 'warroom' THEN 0 ELSE 1 END, r.title"""
    )
    return [_iso(r) for r in rows]  # type: ignore


def get_room(room_id: int) -> dict[str, Any] | None:
    return _iso(fetch_one("SELECT * FROM warroom_rooms WHERE id = %s", (room_id,)))


def list_messages(room_id: int, *, limit: int = 100, after_id: int | None = None) -> list[dict[str, Any]]:
    if after_id:
        rows = fetch_all(
            """SELECT * FROM warroom_messages
               WHERE room_id = %s AND id > %s AND deleted_at IS NULL
               ORDER BY created_at ASC, id ASC LIMIT %s""",
            (room_id, after_id, limit),
        )
    else:
        rows = fetch_all(
            """SELECT * FROM (
                 SELECT * FROM warroom_messages
                 WHERE room_id = %s AND deleted_at IS NULL
                 ORDER BY created_at DESC, id DESC LIMIT %s
               ) t ORDER BY created_at ASC, id ASC""",
            (room_id, limit),
        )
    return [_iso(r) for r in rows]  # type: ignore


def delete_message(room_id: int, message_id: int) -> dict[str, Any] | None:
    """Soft-delete a warroom message. Returns the row or None if missing/already deleted."""
    row = fetch_one(
        """UPDATE warroom_messages
           SET deleted_at = NOW(),
               content = '',
               metadata = COALESCE(metadata, '{}'::jsonb) || '{"deleted": true}'::jsonb
           WHERE id = %s AND room_id = %s AND deleted_at IS NULL
           RETURNING *""",
        (message_id, room_id),
    )
    if row:
        execute("UPDATE warroom_rooms SET updated_at = NOW() WHERE id = %s", (room_id,))
    return _iso(row) if row else None  # type: ignore


def list_deleted_ids(room_id: int) -> list[int]:
    """Recently soft-deleted message ids (for live UI sync across clients)."""
    rows = fetch_all(
        """SELECT id FROM warroom_messages
           WHERE room_id = %s AND deleted_at IS NOT NULL
             AND deleted_at > NOW() - INTERVAL '6 hours'
           ORDER BY deleted_at DESC LIMIT 200""",
        (room_id,),
    )
    return [int(r["id"]) for r in rows]


def _insert_message(
    room_id: int,
    *,
    sender_type: str,
    content: str,
    agent_key: str | None = None,
    username: str | None = None,
    sender_avatar_url: str | None = None,
    metadata: dict | None = None,
) -> dict[str, Any]:
    import json

    row = fetch_one(
        """INSERT INTO warroom_messages
           (room_id, sender_type, agent_key, username, sender_avatar_url, content, metadata)
           VALUES (%s, %s, %s, %s, %s, %s, %s::jsonb)
           RETURNING *""",
        (
            room_id,
            sender_type,
            agent_key,
            username,
            sender_avatar_url,
            content,
            json.dumps(metadata or {}),
        ),
    )
    execute("UPDATE warroom_rooms SET updated_at = NOW() WHERE id = %s", (room_id,))
    return _iso(row)  # type: ignore


def _active_agent_keys() -> set[str]:
    return {str(s.get("agent_key")) for s in agent_souls.list_souls() if s.get("is_active", True)}


def parse_mentions(text: str) -> list[str]:
    keys = _active_agent_keys()
    found: list[str] = []
    for m in MENTION_RE.findall(text or ""):
        k = normalize_agent_key(m) or m.lower()
        if k in keys and k not in found:
            found.append(k)
    return found


def _history_as_chat(messages: list[dict[str, Any]], *, limit: int = 20) -> list[dict[str, str]]:
    out: list[dict[str, str]] = []
    for m in messages[-limit:]:
        st = m.get("sender_type")
        content = (m.get("content") or "").strip()
        if not content:
            continue
        if st == "user":
            name = m.get("username") or "User"
            out.append({"role": "user", "content": f"{name}: {content}"})
        elif st == "agent":
            key = m.get("agent_key") or "agent"
            out.append({"role": "assistant", "content": f"@{key}: {content}"})
        else:
            out.append({"role": "system", "content": content})
    return out


async def _hermes_reply(
    messages: list[dict[str, str]],
    *,
    hermes_user: str,
    timeout: float | None = None,
) -> tuple[str, dict[str, Any]]:
    """Force Hermes/mimo — never DeepSeek/OpenRouter fallback."""
    prov = llm_router.resolve_provider(None)
    ptype = (prov.get("provider_type") or "").lower()
    if ptype != "hermes":
        hermes = llm_router._env_hermes_provider()
        if not hermes:
            raise RuntimeError("Hermes/mimo niet geconfigureerd (HERMES_API_KEY / :8642).")
        raise RuntimeError(
            f"War Room vereist Hermes/mimo, huidige provider is '{ptype or 'onbekend'}'. "
            "Zet HERMAN_LLM_BACKEND=hermes."
        )
    reply, meta = await llm_router.chat_messages(
        messages,
        timeout=float(timeout if timeout is not None else WARROOM_TIMEOUT),
        user=hermes_user,
        max_tokens=WARROOM_MAX_TOKENS,
        temperature=0.35,
    )
    meta = dict(meta or {})
    if meta.get("provider_type") != "hermes":
        raise RuntimeError("Antwoord kwam niet van Hermes/mimo — afgebroken.")
    return reply, meta


def _live_roster_line() -> str:
    keys = sorted(_active_agent_keys())
    return ", ".join(keys) if keys else "(geen)"


def _soul_system(soul: dict[str, Any], *, room_kind: str) -> str:
    name = soul.get("display_name") or soul.get("agent_key")
    key = soul.get("agent_key")
    role = soul.get("role_title") or "agent"
    soul_md = (soul.get("soul_md") or "")[:700]
    resp = (soul.get("responsibilities") or "")[:350]
    roster = _live_roster_line()
    hard = (
        "HARDE FEITEN (overschrijven alle eerdere aannames/geheugen):\n"
        f"- LIVE ROSTER ONLINE: {roster}.\n"
        "- Alle agents hierboven zijn NU actief in de War Room / cockpit.\n"
        "- Verboden zinnen: 'staat uit', 'niet actief', 'niet beschikbaar', 'weer inschakelen', "
        "'weer activeren', 'alleen Halal is actief', 'agent is offline'.\n"
        "- Als je twijfelt: behandel elke agent op de roster als online en antwoord inhoudelijk.\n"
    )
    snap = cockpit_snapshot()
    accuracy = (
        "NAUWKEURIGHEID (hard):\n"
        "- Antwoord ALLEEN met feiten uit COCKPIT FEITEN hieronder of uit recente War Room-berichten.\n"
        "- Weet je het niet 100% zeker: zeg expliciet 'Dat staat zo niet in de cockpit' en @mention de specialist "
        "(@retail / @bizdev / @finance). Verzin GEEN locaties, scores of klantnamen.\n"
        "- CRM-klanten (Reesha, MELEDI, …) zijn GEEN Albert Heijn-filialen.\n"
        "- Negeer testdata / namen met Masala, TEST, of test_exclude.\n"
        "- Geen aannames uit Telegram-geheugen als die botsen met COCKPIT FEITEN.\n"
    )
    if (key or "").lower() == "herman":
        accuracy += (
            "- Jij bent orchestrator: bij feitelijke retail/CRM-vragen eerst @retail of @bizdev laten antwoorden, "
            "of alleen samenvatten wat zij/data al zeiden. Liever geen antwoord dan een verkeerd antwoord.\n"
        )
    extra = (
        accuracy
        + "War Room-regels:\n"
        "- Max 4 korte zinnen, Nederlands.\n"
        "- Geen @zelf-prefix / geen herhalingen.\n"
        "- Peer @mentions oké; zeg nooit dat agents uit staan.\n"
        f"{snap}\n"
        if room_kind == "warroom"
        else accuracy + "1:1 DM: bondig NL. Alleen zekere cockpit-feiten.\n"
    )
    return (
        f"{hard}\n"
        f"Je bent {name} (@{key}), {role} bij Foodlinkk.\n"
        f"Spreek ALLEEN als {name} — niet als een andere agent.\n"
        f"Focus: {resp or '—'}\n"
        f"{soul_md}\n\n{extra}"
    )


_OFFLINE_CLAIM_RE = re.compile(
    r"(staat\s+uit|niet\s+actief|niet\s+beschikbaar|weer\s+inschakel|weer\s+activeer|"
    r"agent\s+is\s+niet|alleen\s+halal|offline\s+in\s+cockpit|uit\s+in\s+cockpit|"
    r"geen\s+actieve\s+\w*\s*agent)",
    re.I,
)


_BAD_TEST_NAME_RE = re.compile(r"chai\s*n\s*masala|masala\s*regio", re.I)


def _sanitize_warroom_reply(agent_key: str, reply: str) -> str:
    text = _clean_agent_reply(agent_key, reply)
    if _OFFLINE_CLAIM_RE.search(text or ""):
        roster = _live_roster_line()
        return (
            f"Correctie: alle War Room-agents zijn online ({roster}). "
            "Zeg kort wat je wél kunt doen — geen 'staat uit'-praat."
        )
    if _BAD_TEST_NAME_RE.search(text or ""):
        return (
            "Correctie: 'Chai N Masala' is testdata, geen echte Albert Heijn. "
            "Voor AH-locaties alleen echte filialen uit de cockpit-supermarktlijst gebruiken "
            "(adres + postcode + halal-score). @retail kan de actuele top-lijst geven."
        )
    return text


_ALIAS_MAP = {
    "herman": "herman",
    "bizdev": "bizdev",
    "biz": "bizdev",
    "business": "bizdev",
    "finance": "finance",
    "financien": "finance",
    "financiën": "finance",
    "cfo": "finance",
    "marketing": "marketing",
    "retail": "retail",
    "product": "product",
    "sourcing": "sourcing",
    "sysops": "sysops",
    "hr": "hr",
    "halal": "halal",
    "design": "design",
    "browser": "browser",
    "email": "email",
    "knowledge": "knowledge",
    "packaging": "packaging",
    "research": "research",
    "sales": "sales",
}


def resolve_speakers(text: str, *, default_herman: bool = True) -> list[str]:
    """@mentions + soft name matches (bizdev/finance zonder @)."""
    active = _active_agent_keys()
    found: list[str] = []
    for key in parse_mentions(text):
        if key in active and key not in found:
            found.append(key)
    low = (text or "").lower()
    # Expliciete @mentions winnen — voorkomt dat 'Herman' in een zin extra speakers toevoegt
    if not found:
        for alias, key in _ALIAS_MAP.items():
            if key not in active or key in found:
                continue
            if re.search(rf"(?<![a-z0-9_]){re.escape(alias)}(?![a-z0-9_])", low):
                found.append(key)
        for key in sorted(active):
            if key in found:
                continue
            if re.search(rf"(?<![a-z0-9_]){re.escape(key)}(?![a-z0-9_])", low):
                found.append(key)
    explicit = bool(parse_mentions(text))
    if not found and default_herman and "herman" in active:
        found = ["herman"]
    elif (
        found
        and not explicit
        and default_herman
        and "herman" in active
        and "herman" not in found
    ):
        # Alleen zonder @mentions: "meeting met jou en bizdev" → Herman erbij
        if re.search(r"\b(jou|jullie|samen|meeting|overleg|bellen|call|afspraak)\b", low):
            found.insert(0, "herman")
    return found[:MAX_REPLIES_PER_ROUND]



def _clean_agent_reply(agent_key: str, reply: str) -> str:
    text = (reply or "").strip()
    # strip @handle / Name / **Name** prefixes (incl. wrong Herman: from memory bleed)
    for _ in range(4):
        text2 = re.sub(
            r"^\*{0,2}\s*@?[A-Za-z][\w .:-]{0,40}?\*{0,2}\s*:\s*",
            "",
            text,
            count=1,
        ).strip()
        if text2 == text:
            break
        text = text2
    return text or "(geen antwoord)"


def _agent_hermes_user(base_user: str, agent_key: str) -> str:
    """Separate Hermes session per agent — avoids Herman-memory bleed into BizDev/Finance."""
    base = (base_user or "warroom").strip() or "warroom"
    key = (agent_key or "agent").strip().lower() or "agent"
    return f"{base}:wr:{key}"


async def _agent_speak(
    room: dict[str, Any],
    agent_key: str,
    *,
    trigger: str,
    hermes_user: str,
    in_reply_to: str | None = None,
) -> dict[str, Any]:
    soul = agent_souls.get_soul(agent_key)
    if not soul:
        return _insert_message(
            int(room["id"]),
            sender_type="system",
            content=f"Agent @{agent_key} niet gevonden.",
            metadata={"error": True},
        )
    hist = list_messages(int(room["id"]), limit=HISTORY_LIMIT)
    messages: list[dict[str, str]] = [
        {"role": "system", "content": _soul_system(soul, room_kind=room.get("kind") or "warroom")},
    ]
    messages.extend(_history_as_chat(hist, limit=8))
    roster = _live_roster_line()
    trig_l = (trigger or "").lower()
    addressed = f"@{agent_key}".lower() in trig_l
    if addressed:
        address_line = (
            f"Je bent DIRECT aangesproken als @{agent_key}. "
            "Antwoord ZELF in de War Room — niet doorverwijzen naar een andere agent."
        )
    elif in_reply_to:
        address_line = f"Reageer op @{in_reply_to}."
    else:
        address_line = f"Beantwoord als @{agent_key} in de War Room."
    cue = (
        f"[LIVE ROSTER ONLINE: {roster}. Nooit zeggen dat een agent uit/offline staat.]\n"
        f"[{address_line}]\n"
        f"{trigger}"
    )
    if in_reply_to:
        cue = (
            f"[LIVE ROSTER ONLINE: {roster}. Nooit zeggen dat een agent uit/offline staat.]\n"
            f"(Reageer op @{in_reply_to}) {trigger}"
        )
    messages.append({"role": "user", "content": cue})
    agent_user = _agent_hermes_user(hermes_user, agent_key)
    try:
        reply, meta = await _hermes_reply(messages, hermes_user=agent_user)
    except Exception as exc:
        log.exception("agent speak failed %s", agent_key)
        return _insert_message(
            int(room["id"]),
            sender_type="system",
            content=f"@{agent_key}: Hermes/mimo fout — {exc}",
            metadata={"error": True, "agent_key": agent_key},
        )
    return _insert_message(
        int(room["id"]),
        sender_type="agent",
        agent_key=agent_key,
        content=_sanitize_warroom_reply(agent_key, reply),
        metadata={
            "llm": meta,
            "in_reply_to": in_reply_to,
            "model": "hermes-agent/mimo",
        },
    )



def _next_a2a_speakers(
    produced: list[dict[str, Any]],
    *,
    exclude: set[str] | None = None,
) -> list[tuple[str, str]]:
    """From recent agent messages, find @targets to speak next."""
    exclude = exclude or set()
    next_speakers: list[tuple[str, str]] = []
    recent = [m for m in produced if m.get("sender_type") == "agent"][-MAX_REPLIES_PER_ROUND:]
    for m in recent:
        from_key = str(m.get("agent_key") or "")
        for target in parse_mentions(m.get("content") or ""):
            if not target or target == from_key or target in exclude:
                continue
            next_speakers.append((target, from_key))
    # If nobody @mentioned, Herman can nudge a relevant peer once
    uniq: list[tuple[str, str]] = []
    used: set[str] = set()
    for t, src in next_speakers:
        if t in used:
            continue
        used.add(t)
        uniq.append((t, src))
    return uniq[:MAX_REPLIES_PER_ROUND]


async def _orchestrate_warroom(
    room: dict[str, Any],
    user_text: str,
    *,
    hermes_user: str,
    username: str | None,
) -> list[dict[str, Any]]:
    """Herman facilitates; mentioned agents reply; limited A2A rounds."""
    produced: list[dict[str, Any]] = []
    speakers = resolve_speakers(user_text, default_herman=True)

    # Round 0: initial speakers in parallel (sneller bij meerdere @mentions)
    keys = speakers[:MAX_REPLIES_PER_ROUND]
    if len(keys) == 1:
        produced.append(
            await _agent_speak(room, keys[0], trigger=user_text, hermes_user=hermes_user)
        )
    elif keys:
        produced.extend(
            await asyncio.gather(
                *[_agent_speak(room, k, trigger=user_text, hermes_user=hermes_user) for k in keys]
            )
        )

    # A2A follow-up rounds from @mentions in agent replies
    for _round in range(MAX_ROUNDS - 1):
        next_speakers: list[tuple[str, str]] = []  # (agent, replied_to)
        seen = {m.get("agent_key") for m in produced if m.get("sender_type") == "agent"}
        for m in produced[-MAX_REPLIES_PER_ROUND:]:
            if m.get("sender_type") != "agent":
                continue
            from_key = m.get("agent_key") or ""
            for target in parse_mentions(m.get("content") or ""):
                if target == from_key:
                    continue
                if target in seen and (target, from_key) in [(a, b) for a, b in next_speakers]:
                    continue
                next_speakers.append((target, from_key))
        # unique preserve order
        uniq: list[tuple[str, str]] = []
        used: set[str] = set()
        for t, src in next_speakers:
            if t in used:
                continue
            used.add(t)
            uniq.append((t, src))
        uniq = uniq[:MAX_REPLIES_PER_ROUND]
        if not uniq:
            break
        for target, src in uniq:
            msg = await _agent_speak(
                room,
                target,
                trigger=(
                    f"War Room topic van {username or 'user'}: {user_text}\n"
                    f"@{src} noemde je. Reageer kort en concreet."
                ),
                hermes_user=hermes_user,
                in_reply_to=src,
            )
            produced.append(msg)

    return produced




def post_system_line(content: str, *, agent_key: str | None = None, metadata: dict[str, Any] | None = None) -> dict[str, Any]:
    """Proactive system/agent bubble into #war-room (no LLM)."""
    room = ensure_warroom()
    return _insert_message(
        int(room["id"]),
        sender_type="system" if not agent_key else "agent",
        agent_key=agent_key,
        content=content[:2000],
        metadata=metadata or {"proactive": True},
    )


def announce_handoff(from_agent: str, to_agent: str, handoff_type: str = "partner", *, correlation_id: str | None = None) -> None:
    """Best-effort War Room line for scheduler/API handoffs."""
    try:
        src = (from_agent or "").strip()
        dst = (to_agent or "").strip()
        if not src or not dst:
            return
        label = (handoff_type or "partner").strip() or "partner"
        text = f"Handoff: {src} → {dst} ({label})"
        post_system_line(
            text,
            agent_key=src,
            metadata={
                "proactive": True,
                "kind": "handoff",
                "from_agent": src,
                "to_agent": dst,
                "handoff_type": label,
                "correlation_id": correlation_id,
            },
        )
    except Exception:
        log.exception("warroom announce_handoff failed")

def _normalize_attachments(attachments: list[dict[str, Any]] | None) -> list[dict[str, Any]]:
    out: list[dict[str, Any]] = []
    for a in attachments or []:
        if not isinstance(a, dict):
            continue
        url = str(a.get("url") or "").strip()
        if not url.startswith("/static/uploads/warroom/"):
            continue
        out.append({
            "url": url,
            "name": str(a.get("name") or "bestand")[:180],
            "mime": str(a.get("mime") or "application/octet-stream")[:120],
            "size": int(a.get("size") or 0),
        })
        if len(out) >= 5:
            break
    return out


def _trigger_text(text: str, attachments: list[dict[str, Any]]) -> str:
    if not attachments:
        return text
    names = ", ".join(a.get("name") or "bestand" for a in attachments)
    if text:
        return f"{text}\n\n[Bijlage(n): {names}]"
    return f"[Deelde bestand(en): {names}]"


async def post_user_message(
    room_id: int,
    content: str,
    *,
    username: str | None = None,
    role: str | None = None,
    sender_avatar_url: str | None = None,
    attachments: list[dict[str, Any]] | None = None,
) -> dict[str, Any]:
    text = (content or "").strip()
    files = _normalize_attachments(attachments)
    if not text and not files:
        raise ValueError("Leeg bericht")
    room = get_room(room_id)
    if not room:
        raise ValueError("Room niet gevonden")

    hermes_user = hermes_memory.resolve_hermes_user(username=username, role=role, channel="warroom")
    meta: dict[str, Any] = {"hermes_user": hermes_user}
    if files:
        meta["attachments"] = files

    user_msg = _insert_message(
        room_id,
        sender_type="user",
        content=text or ("📎 " + ", ".join(a["name"] for a in files)),
        username=username,
        sender_avatar_url=sender_avatar_url,
        metadata=meta,
    )

    trigger = _trigger_text(text, files)
    agent_msgs: list[dict[str, Any]] = []
    kind = room.get("kind")
    try:
        if kind == "dm":
            key = room.get("agent_key")
            if not key:
                raise ValueError("DM zonder agent")
            agent_msgs.append(
                await _agent_speak(room, str(key), trigger=trigger, hermes_user=hermes_user)
            )
        else:
            agent_msgs = await _orchestrate_warroom(
                room, trigger, hermes_user=hermes_user, username=username
            )
    except Exception as exc:
        log.exception("warroom post failed")
        agent_msgs.append(
            _insert_message(
                room_id,
                sender_type="system",
                content=f"Hermes/mimo fout: {exc}",
                metadata={"error": True},
            )
        )

    return {
        "ok": True,
        "room": room,
        "user_message": user_msg,
        "messages": [user_msg, *agent_msgs],
        "hermes_user": hermes_user,
    }


async def _agent_speak_stream(
    room: dict[str, Any],
    agent_key: str,
    *,
    trigger: str,
    hermes_user: str,
    in_reply_to: str | None = None,
):
    """Yield ('start'|'token'|'done'|'error', payload)."""
    soul = agent_souls.get_soul(agent_key)
    if not soul:
        msg = _insert_message(
            int(room["id"]),
            sender_type="system",
            content=f"Agent @{agent_key} niet gevonden.",
            metadata={"error": True},
        )
        yield ("error", msg)
        return

    hist = list_messages(int(room["id"]), limit=HISTORY_LIMIT)
    messages: list[dict[str, str]] = [
        {"role": "system", "content": _soul_system(soul, room_kind=room.get("kind") or "warroom")},
    ]
    messages.extend(_history_as_chat(hist, limit=8))
    roster = _live_roster_line()
    trig_l = (trigger or "").lower()
    addressed = f"@{agent_key}".lower() in trig_l
    if addressed:
        address_line = (
            f"Je bent DIRECT aangesproken als @{agent_key}. "
            "Antwoord ZELF in de War Room — niet doorverwijzen naar een andere agent."
        )
    elif in_reply_to:
        address_line = f"Reageer op @{in_reply_to}."
    else:
        address_line = f"Beantwoord als @{agent_key} in de War Room."
    cue = (
        f"[LIVE ROSTER ONLINE: {roster}. Nooit zeggen dat een agent uit/offline staat.]\n"
        f"[{address_line}]\n"
        f"{trigger}"
    )
    if in_reply_to:
        cue = (
            f"[LIVE ROSTER ONLINE: {roster}. Nooit zeggen dat een agent uit/offline staat.]\n"
            f"(Reageer op @{in_reply_to}) {trigger}"
        )
    messages.append({"role": "user", "content": cue})
    agent_user = _agent_hermes_user(hermes_user, agent_key)

    yield ("start", {"agent_key": agent_key, "display_name": soul.get("display_name") or agent_key})
    chunks: list[str] = []
    try:
        async for delta in llm_router.stream_chat_messages(
            messages,
            timeout=WARROOM_TIMEOUT,
            user=agent_user,
            max_tokens=WARROOM_MAX_TOKENS,
            temperature=0.35,
        ):
            chunks.append(delta)
            yield ("token", {"agent_key": agent_key, "delta": delta})
        reply = _sanitize_warroom_reply(agent_key, "".join(chunks))
        msg = _insert_message(
            int(room["id"]),
            sender_type="agent",
            agent_key=agent_key,
            content=reply,
            metadata={
                "llm": {"provider_type": "hermes", "hermes_user": agent_user, "streamed": True},
                "in_reply_to": in_reply_to,
                "model": "hermes-agent/mimo",
            },
        )
        yield ("done", msg)
    except Exception as exc:
        log.exception("agent stream failed %s", agent_key)
        msg = _insert_message(
            int(room["id"]),
            sender_type="system",
            content=f"@{agent_key}: Hermes/mimo fout — {exc}",
            metadata={"error": True, "agent_key": agent_key},
        )
        yield ("error", msg)


async def post_user_message_stream(
    room_id: int,
    content: str,
    *,
    username: str | None = None,
    role: str | None = None,
    sender_avatar_url: str | None = None,
    attachments: list[dict[str, Any]] | None = None,
):
    """Async generator of SSE-ready event dicts for live typing."""
    text = (content or "").strip()
    files = _normalize_attachments(attachments)
    if not text and not files:
        raise ValueError("Leeg bericht")
    room = get_room(room_id)
    if not room:
        raise ValueError("Room niet gevonden")

    hermes_user = hermes_memory.resolve_hermes_user(username=username, role=role, channel="warroom")
    meta: dict[str, Any] = {"hermes_user": hermes_user}
    if files:
        meta["attachments"] = files
    user_msg = _insert_message(
        room_id,
        sender_type="user",
        content=text or ("📎 " + ", ".join(a["name"] for a in files)),
        username=username,
        sender_avatar_url=sender_avatar_url,
        metadata=meta,
    )
    yield {"event": "user", "message": user_msg}

    trigger = _trigger_text(text, files)
    kind = room.get("kind")
    speakers: list[str] = []
    if kind == "dm":
        key = room.get("agent_key")
        if key:
            speakers = [str(key)]
    else:
        speakers = resolve_speakers(trigger, default_herman=True)

    produced: list[dict[str, Any]] = []

    async def _emit_speak(key: str, *, trig: str, reply_to: str | None = None):
        async for kind_ev, payload in _agent_speak_stream(
            room, key, trigger=trig, hermes_user=hermes_user, in_reply_to=reply_to
        ):
            if kind_ev == "start":
                yield {"event": "typing_start", **payload}
            elif kind_ev == "token":
                yield {"event": "typing", **payload}
            elif kind_ev == "done":
                produced.append(payload)
                yield {"event": "agent", "message": payload}
            elif kind_ev == "error":
                produced.append(payload)
                yield {"event": "system", "message": payload}

    for key in speakers:
        async for ev in _emit_speak(key, trig=trigger):
            yield ev

    # A2A rounds: agents @mention each other and answer with cockpit data
    for _round in range(MAX_ROUNDS - 1):
        nxt = _next_a2a_speakers(produced)
        if not nxt:
            # Force a light peer handoff so the room stays collaborative
            last_agents = [m.get("agent_key") for m in produced if m.get("sender_type") == "agent"]
            last = str(last_agents[-1]) if last_agents else (speakers[0] if speakers else "herman")
            peers = [k for k in ("bizdev", "finance", "retail", "marketing", "herman") if k != last and k in _active_agent_keys()]
            if not peers:
                break
            target = peers[_round % len(peers)]
            nudge = (
                f"War Room topic van {username or 'user'}: {trigger}\n"
                f"@{last} heeft gesproken. Jij bent @{target}. Stel 1 korte vraag aan een peer OF geef 1 cockpit-feit + @mention wie moet antwoorden."
            )
            async for ev in _emit_speak(target, trig=nudge, reply_to=last):
                yield ev
            continue
        for target, src in nxt:
            follow = (
                f"War Room topic van {username or 'user'}: {trigger}\n"
                f"@{src} noemde je. Antwoord met cockpit-data en @mention zo nodig een andere agent."
            )
            async for ev in _emit_speak(target, trig=follow, reply_to=src):
                yield ev

    yield {"event": "done", "ok": True, "a2a": True}


async def continue_warroom_stream(
    room_id: int,
    *,
    username: str | None = None,
    role: str | None = None,
    max_turns: int = A2A_CONTINUE_MAX,
):
    """Autonomous continuation: agents keep talking using last topic + cockpit data."""
    room = get_room(room_id)
    if not room:
        raise ValueError("Room niet gevonden")
    if room.get("kind") == "dm":
        raise ValueError("Continue alleen in #war-room")

    hermes_user = hermes_memory.resolve_hermes_user(username=username, role=role, channel="warroom")
    recent = list_messages(room_id, limit=16)
    if not recent:
        raise ValueError("Geen gesprek om te vervolgen")

    # Find last user topic
    topic = ""
    for m in reversed(recent):
        if m.get("sender_type") == "user":
            topic = (m.get("content") or "").strip()
            break
    if not topic:
        topic = "Blijf het Foodlinkk cockpit-dossier bespreken (pipeline, deals, retail, finance)."

    produced = [m for m in recent if m.get("sender_type") == "agent"][-6:]
    yield {"event": "continue_start", "topic": topic[:200]}

    for turn in range(max(1, min(int(max_turns), 5))):
        nxt = _next_a2a_speakers(produced)
        if not nxt:
            last = str((produced[-1] or {}).get("agent_key") or "herman") if produced else "herman"
            peers = [k for k in ("herman", "bizdev", "finance", "retail", "marketing", "product") if k != last and k in _active_agent_keys()]
            if not peers:
                break
            target = peers[turn % len(peers)]
            src = last
            trig = (
                f"Autonoom War Room-overleg (user kan meelezen). Topic: {topic}\n"
                f"Jij bent @{target}. Reageer op @{src} met 1 cockpit-feit en @mention 1 collega met een gerichte vraag."
            )
        else:
            target, src = nxt[0]
            trig = (
                f"Autonoom War Room-overleg. Topic: {topic}\n"
                f"@{src} vroeg jouw input. Antwoord met cockpit-data en @mention desnoods een andere agent."
            )

        async for kind_ev, payload in _agent_speak_stream(
            room, target, trigger=trig, hermes_user=hermes_user, in_reply_to=src
        ):
            if kind_ev == "start":
                yield {"event": "typing_start", **payload}
            elif kind_ev == "token":
                yield {"event": "typing", **payload}
            elif kind_ev == "done":
                produced.append(payload)
                yield {"event": "agent", "message": payload}
            elif kind_ev == "error":
                yield {"event": "system", "message": payload}
                return

    yield {"event": "done", "ok": True, "continued": True}