# plugins/host_agent/__init__.py
from __future__ import annotations
from typing import TYPE_CHECKING

if TYPE_CHECKING:
    from quart import Quart

_app: "Quart | None" = None


def setup(app: "Quart") -> None:
    global _app
    _app = app


def get_scheduled_tasks() -> list:
    from .scheduler import make_task
    return [make_task(_app)]


def get_blueprint():
    from .routes import host_agent_bp
    return host_agent_bp


def register_mcp_tools(register) -> None:
    from .mcp_tools import register_tools
    register_tools(register)


async def mcp_overview(db) -> list[dict]:
    from .mcp_tools import mcp_overview as findings
    return await findings(db)


def get_alert_metrics() -> dict[str, list[str]]:
    """Host metrics ingest records for alert rules (resource = the host name;
    disk_used_pct per mount, resource "<host>:<mount>"). seconds_since_seen
    comes from the scheduler, not the agent: "agent offline" is > 180."""
    return {"host_agent": [
        "cpu_pct", "mem_used_pct", "mem_available_bytes", "swap_used_bytes",
        "disk_used_pct_worst", "disk_used_pct", "load_1m", "load_5m", "load_15m",
        "uptime_secs", "seconds_since_seen",
    ]}