import time

from app.main import Telemetry, parse_line


def test_parse_line_and_multiple_upstreams():
    event = parse_line("1720000000.123 example.test GET 200 120 240 0.150 0.100, 0.200")
    assert event["host"] == "example.test"
    assert event["incoming"] == 120
    assert event["upstream_time"] == 0.15


def test_parse_line_with_empty_trailing_upstream_time():
    event = parse_line("1720000000.123 example.test GET 200 120 240 0.150")
    assert event is not None
    assert event["host"] == "example.test"
    assert event["upstream_time"] is None


def test_malformed_lines_are_ignored():
    assert parse_line("not enough fields") is None
    assert parse_line("1 host GET nope 1 2 0.1 -") is None
    assert parse_line("1 host GET 600 1 2 0.1 -") is None


def test_telemetry_is_aggregated_and_bounded():
    telemetry = Telemetry(60)
    base = int(time.time()) - 30
    for second in range(70):
        telemetry.ingest(parse_line(f"{base + second} host GET 200 10 20 .1 -"))
    assert telemetry.total_incoming == 700
    assert len(telemetry.global_series.buckets) <= 60
    snapshot = telemetry.snapshot(60)
    assert snapshot["summary"]["requests"] >= 1
    assert snapshot["hosts"] == ["host"]