"""Lists put what needs looking at first (#5210): hosts by their worst
signal, schedules failing first, maintenance windows active then upcoming."""
from types import SimpleNamespace as NS

from steward.ansible.routes import _schedule_order
from steward.hosts.service import host_rank


def test_hosts_sort_down_then_quiet_agent_then_pending_then_healthy():
    down, up, pending = {"state": "down"}, {"state": "up"}, {"state": "pending"}
    fresh, quiet = {"fresh": True}, {"fresh": False}
    assert host_rank(down, fresh) == 0
    assert host_rank(up, quiet) == 1            # monitors fine, but the agent went silent
    assert host_rank(None, quiet) == 1
    assert host_rank(pending, fresh) == 2
    assert host_rank(up, fresh) == 3 and host_rank(None, fresh) == 3
    assert host_rank(None, None) == 4           # nothing watches it


def _sched(name, *, enabled=True, last_error=None, status=None):
    run = NS(status=NS(value=status)) if status else None
    return {"s": NS(name=name, enabled=enabled, last_error=last_error), "last_run": run}


def test_schedules_sort_failing_first_and_paused_last():
    rows = [_sched("nightly", status="success"), _sched("paused", enabled=False, status="failed"),
            _sched("backup", status="failed"), _sched("deploy", status="running"),
            _sched("broken", last_error="source not found"), _sched("cut", status="interrupted"),
            _sched("busy", last_error="the last run is still going", status="success")]
    assert [r["s"].name for r in sorted(rows, key=_schedule_order)] == [
        "backup", "broken", "cut", "deploy", "busy", "nightly", "paused"]


def test_a_host_page_shows_only_the_alerts_on_that_host():
    from steward.alerts.service import watches_host

    def rule(source, resource):
        return NS(source_module=source, resource_name=resource)
    mine = {("http", "nas web")}
    assert watches_host(rule("host_agent", "nas"), "nas", mine)
    assert watches_host(rule("host_agent", "nas:/"), "nas", mine)
    assert not watches_host(rule("host_agent", "nas2"), "nas", mine)       # a name that merely starts alike
    assert watches_host(rule("docker", "nas/plex"), "nas", mine)
    assert not watches_host(rule("docker", "nas2/plex"), "nas", mine)
    assert watches_host(rule("http", "nas web"), "nas", mine)
    assert not watches_host(rule("http", "other web"), "nas", mine)


def test_uptime_lists_the_worst_first_and_the_unmeasured_last():
    from steward.hosts.service import worst_uptime_first
    hosts = [NS(id=i, name=n) for i, n in [("a", "alpha"), ("b", "bravo"), ("c", "charlie"), ("d", "delta")]]
    uptime = {"a": {"24h": 100.0, "7d": 99.0, "30d": 99.5},
              "b": {"24h": 92.0, "7d": 98.0, "30d": 99.0},
              "c": {"24h": 100.0, "7d": 95.0, "30d": 97.0}}
    assert [h.name for h in worst_uptime_first(hosts, uptime)] == ["bravo", "charlie", "alpha", "delta"]