#!/usr/bin/env python3
"""
Daily Briefing Agent (Orchestrator)
Calls sub-agents (weather, etc.), collates their output into a single
markdown briefing, and posts it to the Outline wiki.

Hierarchy: Eric's Daily Briefing → {Year} → {Month} → Daily Briefing — {date}
"""

import sys
from datetime import datetime
from shared import (
    MT, WIKI_API, WIKI_COLLECTION_ID, WIKI_PARENT_DOC_ID, MONTH_NAMES,
    api_request, log_run, wiki_headers, find_child_doc, ensure_child_doc,
)

AGENT_ID = "daily-briefing"


def collect_sections():
    """Run each sub-agent and collect markdown sections.

    Returns a list of (section_name, markdown, summary) tuples.
    Failed sub-agents are logged but don't stop the briefing.
    """
    sections = []

    # --- Weather ---
    try:
        from weather_agent import run as weather_run
        md, summary = weather_run()
        sections.append(("Weather", md, summary))
        print(f"  Weather: {summary}")
    except Exception as e:
        print(f"  Weather failed: {e}", file=sys.stderr)
        sections.append(("Weather", "## Weather\n\n*Weather data unavailable.*\n", f"error: {e}"))

    # --- Future sub-agents go here ---
    # try:
    #     from calendar_agent import run as calendar_run
    #     md, summary = calendar_run()
    #     sections.append(("Calendar", md, summary))
    # except Exception as e:
    #     sections.append(("Calendar", "## Calendar\n\n*Calendar data unavailable.*\n", f"error: {e}"))

    return sections


def compose_briefing(sections):
    """Compose the full daily briefing markdown from sub-agent sections."""
    now = datetime.now(MT)
    date_str = now.strftime("%A, %B %d, %Y")

    md = f"# Daily Briefing\n"
    md += f"**{date_str}** | Providence, Utah\n\n"
    md += "---\n\n"

    for _name, section_md, _summary in sections:
        md += section_md + "\n\n"

    md += "---\n"
    md += f"*Generated at {now.strftime('%I:%M %p MT')} by Daily Briefing Agent*\n"

    return md


def post_to_wiki(markdown, date_str):
    """Post the briefing to wiki under Year/Month hierarchy."""
    now = datetime.now(MT)
    year_str = str(now.year)
    month_str = MONTH_NAMES[now.month]

    year_id = ensure_child_doc(
        WIKI_PARENT_DOC_ID, year_str,
        f"Daily briefings for {year_str}.",
    )
    month_id = ensure_child_doc(
        year_id, month_str,
        f"Daily briefings for {month_str} {year_str}.",
    )

    title = f"Daily Briefing — {date_str}"
    doc_id = find_child_doc(month_id, title)

    if doc_id:
        api_request(
            f"{WIKI_API}/documents.update",
            data={"id": doc_id, "text": markdown, "publish": True},
            headers=wiki_headers(),
            method="POST",
        )
        return doc_id, "updated"
    else:
        result = api_request(
            f"{WIKI_API}/documents.create",
            data={
                "title": title,
                "text": markdown,
                "collectionId": WIKI_COLLECTION_ID,
                "parentDocumentId": month_id,
                "publish": True,
            },
            headers=wiki_headers(),
            method="POST",
        )
        return result["data"]["id"], "created"


def main():
    try:
        print("Collecting sub-agent data...")
        sections = collect_sections()

        print("Composing briefing...")
        markdown = compose_briefing(sections)
        date_str = datetime.now(MT).strftime("%Y-%m-%d")

        print("Posting to wiki...")
        doc_id, action = post_to_wiki(markdown, date_str)
        print(f"Wiki doc {action}: {doc_id}")

        summaries = "; ".join(f"{name}: {s}" for name, _, s in sections)
        output = f"Briefing {action}. {summaries}"
        log_run(AGENT_ID, "success", output=output, metadata={
            "wiki_doc_id": doc_id,
            "action": action,
            "sub_agents": [name for name, _, _ in sections],
        })
        print(f"Done: {output}")

    except Exception as e:
        err_msg = f"{type(e).__name__}: {e}"
        print(f"Error: {err_msg}", file=sys.stderr)
        log_run(AGENT_ID, "failed", err=err_msg)
        sys.exit(1)


if __name__ == "__main__":
    main()