"""The SNMP list says each device's state with the shared badge and shows its
readings as stat tiles (#5126)."""
from datetime import datetime, timedelta, timezone

from plugins.snmp.routes import _device_state
from tests._templates import render_plugin_template
from tests.test_style_tokens import hex_colours


async def test_devices_wear_a_status_badge_and_readings_are_tiles(app):
    devices = [
        {"name": "ups", "host": "10.0.0.9", "oids": [{"oid": "1.3.6", "label": "battery_charge_pct"},
                                                       {"oid": "1.3.7", "label": "in_octets"}],
         "readings": {"battery_charge_pct": 97.0, "in_octets": 2_500_000.0}, "reach": "up",
         "at": datetime.now(timezone.utc) - timedelta(seconds=30)},
        {"name": "switch", "host": "10.0.0.11", "oids": [], "readings": {"x": 1.0}, "reach": "stale",
         "at": datetime.now(timezone.utc) - timedelta(hours=3)},
        {"name": "printer", "host": "10.0.0.10", "oids": [], "readings": {}, "reach": "pending", "at": None},
    ]
    async with app.test_request_context("/plugins/snmp/"):
        page = await render_plugin_template(app, "snmp", "snmp/index.html", devices=devices, poll_interval=60)

    assert '<span class="badge badge-ok">Reachable</span>' in page
    assert '<span class="badge badge-warn">No data yet</span>' in page
    # Old readings are not "reachable": they say how old they are (#5210).
    assert 'badge badge-warn" title="The last reading is from' in page and ">No answer</span>" in page
    assert ">3h ago</time>" in page
    assert '<span class="stat-tile-value">97</span>' in page and '<span class="stat-tile-value">2.50M</span>' in page
    assert 'href="/plugins/snmp/device/ups"' in page
    main = page[page.index("<main"):]
    assert "font-weight:600" not in main and not hex_colours(main), hex_colours(main)


def test_a_device_is_reachable_only_while_its_readings_are_recent():
    now = datetime.now(timezone.utc)
    entry = {"readings": {"x": 1.0}, "at": now - timedelta(seconds=150)}
    assert _device_state(entry, 60, now)["reach"] == "up"           # within 3 polls
    assert _device_state(entry, 30, now)["reach"] == "stale"        # 5 polls without an answer
    assert _device_state(None, 60, now) == {"readings": {}, "at": None, "reach": "pending"}