"""
Aether Platform knowledge tools — journal search, listing, and entry management.

These tools give the orchestrator read/write access to the AE Journals module,
which serves as the primary long-term knowledge base.

Auth: x-aether-api-key + x-account-id headers (same pattern as agents_sync scripts).
API:  V3 CRUD — POST /v3/crud/journal_entry/search, POST /v3/crud/journal/{id}/journal_entry/
              PATCH /v3/crud/journal_entry/{entry_id}, GET /v3/crud/journal_entry/{entry_id}
"""

import asyncio
import logging
from google.genai import types
from config import settings

logger = logging.getLogger(__name__)

# ---------------------------------------------------------------------------
# Shared helpers
# ---------------------------------------------------------------------------

def _headers() -> dict:
    return {
        "x-aether-api-key": settings.ae_api_key,
        "x-account-id": settings.ae_account_id,
        "Content-Type": "application/json",
    }


def _check_config() -> str | None:
    """Return an error string if AE API is not configured, else None."""
    if not settings.ae_api_key or not settings.ae_account_id:
        return (
            "AE API not configured. Set AE_API_KEY and AE_ACCOUNT_ID in .env. "
            "Values are the same as agents_sync/mcp/.env."
        )
    return None


# ---------------------------------------------------------------------------
# Tool: ae_journal_search
# ---------------------------------------------------------------------------

async def journal_search(
    query: str = "",
    journal_id: str = "",
    tags: str = "",
    type_code: str = "",
    topic_code: str = "",
    date_from: str = "",
    date_to: str = "",
    sort_by: str = "updated",
    sort_order: str = "desc",
    status: int | None = None,
    priority: int | None = None,
    max_results: int = 10,
    page: int = 1,
) -> str:
    """Search AE Journal entries.

    At least one of query, tags, type_code, topic_code, date_from, or journal_id
    should be provided. All filters combine with AND.
    """
    err = _check_config()
    if err:
        return err
    return await asyncio.to_thread(
        _sync_journal_search,
        query, journal_id, tags, type_code, topic_code,
        date_from, date_to, sort_by, sort_order,
        status, priority, max_results, page,
    )


def _sync_journal_search(
    query: str,
    journal_id: str,
    tags: str,
    type_code: str,
    topic_code: str,
    date_from: str,
    date_to: str,
    sort_by: str,
    sort_order: str,
    status: int | None,
    priority: int | None,
    max_results: int,
    page: int,
) -> str:
    import requests

    # Build sort field
    sort_field_map = {
        "updated": "updated_on",
        "created": "created_on",
        "name":    "name",
        "priority": "priority",
    }
    sort_field = sort_field_map.get(sort_by, "updated_on")
    order_by = f"{'-' if sort_order == 'desc' else ''}{sort_field}"

    search_body: dict = {"page_size": max_results, "page": page, "order_by": order_by}

    # Fulltext keyword — uses MATCH/AGAINST index
    if query:
        search_body["query_string"] = query

    # Additional AND filters
    and_filters: list[dict] = []
    if tags:
        and_filters.append({"field": "tags", "op": "icontains", "value": tags})
    if type_code:
        and_filters.append({"field": "type_code", "op": "eq", "value": type_code})
    if topic_code:
        and_filters.append({"field": "topic_code", "op": "eq", "value": topic_code})
    if date_from:
        and_filters.append({"field": "created_on", "op": "gte", "value": date_from})
    if date_to:
        and_filters.append({"field": "created_on", "op": "lte", "value": date_to})
    if status is not None:
        and_filters.append({"field": "status", "op": "eq", "value": status})
    if priority is not None:
        and_filters.append({"field": "priority", "op": "eq", "value": priority})
    if and_filters:
        search_body["and"] = and_filters
        # query_string must be present for `and` filters to apply
        if "query_string" not in search_body:
            search_body["query_string"] = "%"

    params: dict = {}
    if journal_id:
        params["for_obj_type"] = "journal"
        params["for_obj_id"] = journal_id

    url = f"{settings.ae_api_url}/v3/crud/journal_entry/search"
    try:
        resp = requests.post(
            url,
            headers=_headers(),
            params=params,
            json=search_body,
            timeout=settings.ae_api_timeout,
        )
        resp.raise_for_status()
        data = resp.json()
    except Exception as e:
        logger.warning("ae_journal_search failed: %s", e)
        return f"Journal search error: {e}"

    entries = data.get("data", [])
    total   = (data.get("meta") or {}).get("data_list_count") or len(entries)

    if not entries:
        desc = query or tags or type_code or topic_code or f"journal {journal_id}"
        return f"No journal entries found for: {desc}"

    label = query or tags or f"{len(entries)} entries"
    lines = [f"Journal entries — **{label}** ({total} total, page {page}):\n"]

    for entry in entries:
        title    = entry.get("name") or "(untitled)"
        entry_id = entry.get("journal_entry_id") or entry.get("id") or ""
        journal_name = entry.get("journal_name") or entry.get("parent_name") or ""
        summary  = entry.get("summary") or ""
        entry_tags = entry.get("tags") or []
        updated  = (entry.get("updated_on") or entry.get("created_on") or "")[:10]
        content_preview = (entry.get("content") or "")[:400].replace("\n", " ")

        header = f"**{title}**"
        if journal_name:
            header += f" ({journal_name})"
        header += f" — id: `{entry_id}`"
        if updated:
            header += f"  [{updated}]"
        lines.append(header)
        if entry_tags:
            tag_list = entry_tags if isinstance(entry_tags, list) else [t.strip() for t in str(entry_tags).split(",")]
            lines.append(f"  Tags: {', '.join(tag_list)}")
        if summary:
            lines.append(f"  {summary}")
        elif content_preview:
            lines.append(f"  {content_preview}{'…' if len(entry.get('content', '')) > 400 else ''}")
        lines.append("")

    if total > page * max_results:
        lines.append(f"(More results — call again with page={page + 1})")

    return "\n".join(lines).strip()


# ---------------------------------------------------------------------------
# Tool: ae_journal_list
# ---------------------------------------------------------------------------

async def journal_list() -> str:
    """List all journals accessible to the configured AE account."""
    err = _check_config()
    if err:
        return err
    return await asyncio.to_thread(_sync_journal_list)


def _sync_journal_list() -> str:
    import requests

    url = f"{settings.ae_api_url}/v3/crud/journal/search"
    try:
        resp = requests.post(
            url,
            headers=_headers(),
            json={"page_size": 100},
            timeout=settings.ae_api_timeout,
        )
        resp.raise_for_status()
        data = resp.json()
    except Exception as e:
        logger.warning("ae_journal_list failed: %s", e)
        return f"Journal list error: {e}"

    journals = data.get("data", [])
    if not journals:
        return "No journals found for this account."

    lines = [f"Journals ({len(journals)}):\n"]
    for j in journals:
        jid  = j.get("journal_id") or j.get("id_random") or j.get("id") or "?"
        name = j.get("name") or "(untitled)"
        desc = j.get("description") or ""
        line = f"- **{name}** — id: `{jid}`"
        if desc:
            line += f"\n  {desc}"
        lines.append(line)

    return "\n".join(lines)


# ---------------------------------------------------------------------------
# Tool: ae_journal_entry_create
# ---------------------------------------------------------------------------

async def journal_entry_create(
    journal_id: str,
    title: str,
    content: str,
    summary: str = "",
    tags: str = "",
) -> str:
    """Create a new entry in an AE Journal.

    Args:
        journal_id: The id_random of the target journal (use ae_journal_search to find it,
                    or ask the user which journal to write to).
        title:      Entry title (name field).
        content:    Full entry content (markdown supported).
        summary:    Optional short summary (1-2 sentences).
        tags:       Optional comma-separated tags.

    Returns a confirmation with the new entry's id_random, or an error message.
    """
    err = _check_config()
    if err:
        return err

    return await asyncio.to_thread(
        _sync_journal_entry_create, journal_id, title, content, summary, tags
    )


def _sync_journal_entry_create(
    journal_id: str, title: str, content: str, summary: str, tags: str
) -> str:
    import requests

    url = f"{settings.ae_api_url}/v3/crud/journal/{journal_id}/journal_entry/"
    data: dict = {"name": title, "content": content}
    if summary:
        data["summary"] = summary
    if tags:
        data["tags"] = [t.strip() for t in tags.split(",") if t.strip()]

    try:
        resp = requests.post(
            url,
            headers=_headers(),
            json=data,
            timeout=settings.ae_api_timeout,
        )
        resp.raise_for_status()
        result = resp.json()
    except Exception as e:
        logger.warning("ae_journal_entry_create failed: %s", e)
        return f"Journal entry creation error: {e}"

    entry_id = (
        result.get("data", {}).get("journal_entry_id")
        or result.get("data", {}).get("id_random")
        or result.get("id_random")
        or "unknown"
    )
    return f"Journal entry created. id: `{entry_id}`, title: \"{title}\", journal: `{journal_id}`"


# ---------------------------------------------------------------------------
# Shared helper: fetch a single journal entry by id
# ---------------------------------------------------------------------------

def _get_entry(entry_id: str) -> dict | str:
    """Return the entry dict, or an error string on failure."""
    import requests
    url = f"{settings.ae_api_url}/v3/crud/journal_entry/{entry_id}"
    try:
        resp = requests.get(url, headers=_headers(), timeout=settings.ae_api_timeout)
        resp.raise_for_status()
        data = resp.json()
        entry = data.get("data") or data
        if not isinstance(entry, dict):
            return f"Unexpected response shape for entry {entry_id}"
        return entry
    except Exception as e:
        logger.warning("_get_entry %s failed: %s", entry_id, e)
        return f"Error fetching entry {entry_id}: {e}"


def _patch_entry(entry_id: str, payload: dict) -> str:
    """PATCH a journal entry. Returns a success/error string."""
    import requests
    url = f"{settings.ae_api_url}/v3/crud/journal_entry/{entry_id}"
    try:
        resp = requests.patch(
            url,
            headers=_headers(),
            json=payload,
            timeout=settings.ae_api_timeout,
        )
        resp.raise_for_status()
        return "ok"
    except Exception as e:
        logger.warning("_patch_entry %s failed: %s", entry_id, e)
        return f"Error updating entry {entry_id}: {e}"


# ---------------------------------------------------------------------------
# Tool: ae_journal_entry_read
# ---------------------------------------------------------------------------

async def journal_entry_read(entry_id: str, max_content_chars: int = 4000) -> str:
    """Return the full content of a single journal entry by its id_random."""
    err = _check_config()
    if err:
        return err
    return await asyncio.to_thread(_sync_journal_entry_read, entry_id, max_content_chars)


def _sync_journal_entry_read(entry_id: str, max_content_chars: int) -> str:
    entry = _get_entry(entry_id)
    if isinstance(entry, str):
        return entry

    title   = entry.get("name") or "(untitled)"
    journal = entry.get("journal_name") or entry.get("parent_name") or ""
    summary = entry.get("summary") or ""
    raw_tags = entry.get("tags") or []
    tags = raw_tags if isinstance(raw_tags, list) else [t.strip() for t in str(raw_tags).split(",") if t.strip()]
    content = entry.get("content") or ""
    updated = (entry.get("updated_on") or entry.get("created_on") or "")[:19].replace("T", " ")
    enabled = entry.get("enable", True)

    lines = [f"# {title}"]
    meta: list[str] = [f"id: `{entry_id}`"]
    if journal:
        meta.append(f"journal: {journal}")
    if updated:
        meta.append(f"updated: {updated}")
    if not enabled:
        meta.append("**DISABLED**")
    lines.append("  ".join(meta))
    if tags:
        lines.append(f"Tags: {', '.join(tags)}")
    if summary:
        lines.append(f"\nSummary: {summary}")
    lines.append("\n---\n")

    truncated = len(content) > max_content_chars
    lines.append(content[:max_content_chars])
    if truncated:
        lines.append(
            f"\n\n[Content truncated at {max_content_chars} chars — "
            f"{len(content)} total. Call again with a higher max_content_chars to read more.]"
        )

    return "\n".join(lines)


# ---------------------------------------------------------------------------
# Tool: ae_journal_entries_list
# ---------------------------------------------------------------------------

async def journal_entries_list(journal_id: str, max_results: int = 20, page: int = 1) -> str:
    """List entries in a specific journal, newest first."""
    err = _check_config()
    if err:
        return err
    return await asyncio.to_thread(_sync_journal_entries_list, journal_id, max_results, page)


def _sync_journal_entries_list(journal_id: str, max_results: int, page: int) -> str:
    import requests

    url = f"{settings.ae_api_url}/v3/crud/journal_entry/search"
    search_body: dict = {
        "page_size": max_results,
        "page": page,
        "order_by": "-updated_on",
    }
    params = {"for_obj_type": "journal", "for_obj_id": journal_id}

    try:
        resp = requests.post(
            url,
            headers=_headers(),
            params=params,
            json=search_body,
            timeout=settings.ae_api_timeout,
        )
        resp.raise_for_status()
        data = resp.json()
    except Exception as e:
        logger.warning("ae_journal_entries_list failed: %s", e)
        return f"Journal entries list error: {e}"

    entries = data.get("data", [])
    total   = (data.get("meta") or {}).get("data_list_count") or len(entries)

    if not entries:
        return f"No entries found in journal `{journal_id}`."

    offset = (page - 1) * max_results + 1
    lines = [f"Entries in journal `{journal_id}` — showing {offset}–{offset + len(entries) - 1} of {total}:\n"]
    for i, entry in enumerate(entries, offset):
        title    = entry.get("name") or "(untitled)"
        entry_id = entry.get("journal_entry_id") or entry.get("id") or ""
        raw_tags = entry.get("tags") or []
        tags = raw_tags if isinstance(raw_tags, list) else [t.strip() for t in str(raw_tags).split(",") if t.strip()]
        summary  = entry.get("summary") or ""
        updated  = (entry.get("updated_on") or entry.get("created_on") or "")[:10]
        enabled  = entry.get("enable", True)

        status = "" if enabled else " [disabled]"
        date_str = f"  [{updated}]" if updated else ""
        lines.append(f"{i}. **{title}**{status} — id: `{entry_id}`{date_str}")
        if tags:
            lines.append(f"   Tags: {', '.join(tags)}")
        if summary:
            lines.append(f"   {summary[:150]}{'…' if len(summary) > 150 else ''}")
        lines.append("")

    if total > offset + len(entries) - 1:
        lines.append(f"(More entries available — call again with page={page + 1})")

    return "\n".join(lines).rstrip()


# ---------------------------------------------------------------------------
# Tool: ae_journal_entry_update
# ---------------------------------------------------------------------------

async def journal_entry_update(
    entry_id: str,
    title: str = "",
    content: str = "",
    summary: str = "",
    tags: str = "",
    enable: bool | None = None,
) -> str:
    """Update fields on an existing journal entry. Only provided fields are changed."""
    err = _check_config()
    if err:
        return err
    return await asyncio.to_thread(_sync_journal_entry_update, entry_id, title, content, summary, tags, enable)


def _sync_journal_entry_update(
    entry_id: str,
    title: str,
    content: str,
    summary: str,
    tags: str,
    enable: bool | None,
) -> str:
    payload: dict = {}
    if title:
        payload["name"] = title
    if content:
        payload["content"] = content
    if summary:
        payload["summary"] = summary
    if tags:
        payload["tags"] = [t.strip() for t in tags.split(",") if t.strip()]
    if enable is not None:
        payload["enable"] = enable

    if not payload:
        return "Nothing to update — no fields provided."

    result = _patch_entry(entry_id, payload)
    if result != "ok":
        return result

    updated = ", ".join(payload.keys())
    return f"Journal entry `{entry_id}` updated. Fields changed: {updated}"


# ---------------------------------------------------------------------------
# Tool: ae_journal_entry_disable
# ---------------------------------------------------------------------------

async def journal_entry_disable(entry_id: str) -> str:
    """Soft-delete a journal entry by setting enable=false."""
    err = _check_config()
    if err:
        return err
    return await asyncio.to_thread(_patch_entry, entry_id, {"enable": False})


# ---------------------------------------------------------------------------
# Tool: ae_journal_entry_append
# ---------------------------------------------------------------------------

async def journal_entry_append(entry_id: str, content: str, heading: str = "") -> str:
    """Append a timestamped section to the bottom of a journal entry's content."""
    err = _check_config()
    if err:
        return err
    return await asyncio.to_thread(_sync_journal_entry_append, entry_id, content, heading)


def _sync_journal_entry_append(entry_id: str, content: str, heading: str) -> str:
    from datetime import datetime, timezone

    entry = _get_entry(entry_id)
    if isinstance(entry, str):
        return entry

    existing = (entry.get("content") or "").rstrip()
    ts = datetime.now(timezone.utc).strftime("%Y-%m-%d %H:%M UTC")
    section_heading = heading or ts
    new_content = f"{existing}\n\n### {section_heading}\n{content.strip()}"

    result = _patch_entry(entry_id, {"content": new_content})
    if result != "ok":
        return result
    return f"Appended to journal entry `{entry_id}` under heading \"{section_heading}\"."


# ---------------------------------------------------------------------------
# Tool: ae_journal_entry_prepend
# ---------------------------------------------------------------------------

async def journal_entry_prepend(entry_id: str, content: str, heading: str = "") -> str:
    """Prepend a timestamped section to the top of a journal entry's content."""
    err = _check_config()
    if err:
        return err
    return await asyncio.to_thread(_sync_journal_entry_prepend, entry_id, content, heading)


def _sync_journal_entry_prepend(entry_id: str, content: str, heading: str) -> str:
    from datetime import datetime, timezone

    entry = _get_entry(entry_id)
    if isinstance(entry, str):
        return entry

    existing = (entry.get("content") or "").lstrip()
    ts = datetime.now(timezone.utc).strftime("%Y-%m-%d %H:%M UTC")
    section_heading = heading or ts
    new_content = f"### {section_heading}\n{content.strip()}\n\n{existing}"

    result = _patch_entry(entry_id, {"content": new_content})
    if result != "ok":
        return result
    return f"Prepended to journal entry `{entry_id}` under heading \"{section_heading}\"."


DECLARATIONS = [
    types.FunctionDeclaration(
        name="ae_journal_list",
        description=(
            "List all Aether Journals available for this account. "
            "Returns each journal's name and id_random. "
            "Call this first when you need to write a new entry or scope a search to a specific journal "
            "and don't already know the journal's id."
        ),
        parameters=types.Schema(type=types.Type.OBJECT, properties={}),
    ),
    types.FunctionDeclaration(
        name="ae_journal_search",
        description=(
            "Search Aether Journal entries. All parameters are optional — combine freely. "
            "Use 'query' for fulltext keyword search (supports boolean: +required -excluded \"phrase\"). "
            "Use 'tags' to filter by tag substring. Use 'date_from'/'date_to' for date ranges (YYYY-MM-DD). "
            "Always search before creating a new entry to avoid duplicates."
        ),
        parameters=types.Schema(
            type=types.Type.OBJECT,
            properties={
                "query": types.Schema(type=types.Type.STRING, description="Fulltext keyword search. Supports boolean mode: +required -excluded \"exact phrase\"."),
                "journal_id": types.Schema(type=types.Type.STRING, description="Scope results to a specific journal by its id_random. Omit to search all journals."),
                "tags": types.Schema(type=types.Type.STRING, description="Filter by tag substring (e.g. 'networking' matches entries tagged 'networking' or 'home-networking')."),
                "type_code": types.Schema(type=types.Type.STRING, description="Filter by exact type_code (e.g. 'note', 'meeting', 'log')."),
                "topic_code": types.Schema(type=types.Type.STRING, description="Filter by exact topic_code."),
                "date_from": types.Schema(type=types.Type.STRING, description="Return entries created on or after this date (YYYY-MM-DD)."),
                "date_to": types.Schema(type=types.Type.STRING, description="Return entries created on or before this date (YYYY-MM-DD)."),
                "sort_by": types.Schema(type=types.Type.STRING, description="Sort field: 'updated' (default), 'created', 'name', or 'priority'."),
                "sort_order": types.Schema(type=types.Type.STRING, description="Sort direction: 'desc' (default, newest first) or 'asc'."),
                "status": types.Schema(type=types.Type.INTEGER, description="Filter by exact status code."),
                "priority": types.Schema(type=types.Type.INTEGER, description="Filter by exact priority (1=low, 5=high)."),
                "max_results": types.Schema(type=types.Type.INTEGER, description="Number of results per page (default 10)."),
                "page": types.Schema(type=types.Type.INTEGER, description="Page number for pagination (default 1)."),
            },
            required=[],
        ),
    ),
    types.FunctionDeclaration(
        name="ae_journal_entry_read",
        description=(
            "Fetch the full content of a single journal entry by its id_random. "
            "Use this when you need to read an entry before editing it, or when search results "
            "don't show enough content. Returns title, journal, tags, summary, and full content."
        ),
        parameters=types.Schema(
            type=types.Type.OBJECT,
            properties={
                "entry_id": types.Schema(type=types.Type.STRING, description="The id_random of the journal entry to read."),
                "max_content_chars": types.Schema(type=types.Type.INTEGER, description="Maximum characters of content to return (default 4000). Increase for long entries."),
            },
            required=["entry_id"],
        ),
    ),
    types.FunctionDeclaration(
        name="ae_journal_entries_list",
        description=(
            "List entries in a specific journal, newest first. "
            "Use this to browse what's in a journal when you don't have a search keyword, "
            "or to find entries by browsing rather than searching. "
            "Returns numbered entries with id, title, tags, summary, and date."
        ),
        parameters=types.Schema(
            type=types.Type.OBJECT,
            properties={
                "journal_id": types.Schema(type=types.Type.STRING, description="The id_random of the journal to list entries from."),
                "max_results": types.Schema(type=types.Type.INTEGER, description="Number of entries to return (default 20, max 50)."),
                "page": types.Schema(type=types.Type.INTEGER, description="Page number for pagination (default 1)."),
            },
            required=["journal_id"],
        ),
    ),
    types.FunctionDeclaration(
        name="ae_journal_entry_create",
        description=(
            "Create a new entry in an Aether Journal. "
            "Use this to save notes, summaries, or any content the user wants to store. "
            "Always call ae_journal_search first to check for existing entries on the same topic."
        ),
        parameters=types.Schema(
            type=types.Type.OBJECT,
            properties={
                "journal_id": types.Schema(type=types.Type.STRING, description="The id_random of the target journal. Ask the user which journal to write to if not specified."),
                "title": types.Schema(type=types.Type.STRING, description="Entry title"),
                "content": types.Schema(type=types.Type.STRING, description="Full entry content (markdown supported)"),
                "summary": types.Schema(type=types.Type.STRING, description="Optional short summary (1-2 sentences)"),
                "tags": types.Schema(type=types.Type.STRING, description="Optional comma-separated tags (e.g. 'wireguard, networking, homelab')"),
            },
            required=["journal_id", "title", "content"],
        ),
    ),
    types.FunctionDeclaration(
        name="ae_journal_entry_update",
        description=(
            "Update fields on an existing journal entry. Only the fields you provide are changed — "
            "omitted fields are left as-is. Use ae_journal_search to find the entry_id first. "
            "To soft-delete, use ae_journal_entry_disable instead."
        ),
        parameters=types.Schema(
            type=types.Type.OBJECT,
            properties={
                "entry_id": types.Schema(type=types.Type.STRING, description="Journal entry id_random"),
                "title":    types.Schema(type=types.Type.STRING, description="New title"),
                "content":  types.Schema(type=types.Type.STRING, description="Replacement content (full, markdown supported)"),
                "summary":  types.Schema(type=types.Type.STRING, description="New summary"),
                "tags":     types.Schema(type=types.Type.STRING, description="Replacement comma-separated tags"),
                "enable":   types.Schema(type=types.Type.BOOLEAN, description="Set false to hide/disable the entry"),
            },
            required=["entry_id"],
        ),
    ),
    types.FunctionDeclaration(
        name="ae_journal_entry_disable",
        description=(
            "Soft-delete a journal entry by setting enable=false. "
            "The entry is hidden but not permanently removed. "
            "Use ae_journal_search to find the entry_id first."
        ),
        parameters=types.Schema(
            type=types.Type.OBJECT,
            properties={
                "entry_id": types.Schema(type=types.Type.STRING, description="Journal entry id_random"),
            },
            required=["entry_id"],
        ),
    ),
    types.FunctionDeclaration(
        name="ae_journal_entry_append",
        description=(
            "Append a new section to the bottom of a journal entry's content. "
            "Each section gets a UTC timestamp heading unless you provide one. "
            "Ideal for timestamped logs, running notes, or data logs."
        ),
        parameters=types.Schema(
            type=types.Type.OBJECT,
            properties={
                "entry_id": types.Schema(type=types.Type.STRING, description="Journal entry id_random"),
                "content":  types.Schema(type=types.Type.STRING, description="The text to append (markdown supported)"),
                "heading":  types.Schema(type=types.Type.STRING, description="Optional section heading (defaults to current UTC timestamp)"),
            },
            required=["entry_id", "content"],
        ),
    ),
    types.FunctionDeclaration(
        name="ae_journal_entry_prepend",
        description=(
            "Prepend a new section to the top of a journal entry's content. "
            "Each section gets a UTC timestamp heading unless you provide one. "
            "Useful for most-recent-first logs."
        ),
        parameters=types.Schema(
            type=types.Type.OBJECT,
            properties={
                "entry_id": types.Schema(type=types.Type.STRING, description="Journal entry id_random"),
                "content":  types.Schema(type=types.Type.STRING, description="The text to prepend (markdown supported)"),
                "heading":  types.Schema(type=types.Type.STRING, description="Optional section heading (defaults to current UTC timestamp)"),
            },
            required=["entry_id", "content"],
        ),
    ),
]