from __future__ import annotations

from pathlib import Path

from sshctl.operations.events import Event, flush, log_event, recent


def test_event_to_dict() -> None:
    ev = Event(
        command="host list",
        status="ok",
        args={"--verbose": "true"},
        result="",
        duration_ms=12.5,
    )
    d = ev.to_dict()
    assert d["cmd"] == "host list"
    assert d["status"] == "ok"
    assert d["args"] == {"--verbose": "true"}
    assert d["duration_ms"] == 12.5
    assert isinstance(d["ts"], float)


def test_log_event_and_flush(ssh_dir: Path) -> None:
    log_event(Event(command="check", status="ok", duration_ms=1.5))
    flush(ssh_dir)
    rows = recent(ssh_dir)
    assert len(rows) == 1
    assert rows[0]["cmd"] == "check"
    assert rows[0]["status"] == "ok"


def test_flush_empty_no_file(ssh_dir: Path) -> None:
    flush(ssh_dir)
    assert recent(ssh_dir) == []


def test_recent_empty_when_no_file(ssh_dir: Path) -> None:
    assert recent(ssh_dir) == []


def test_recent_limits(ssh_dir: Path) -> None:
    for i in range(10):
        log_event(Event(command=f"cmd{i}", status="ok"))
    flush(ssh_dir)
    rows = recent(ssh_dir, limit=3)
    assert len(rows) == 3
    assert rows[0]["cmd"] == "cmd7"


def test_recent_skips_bad_json(ssh_dir: Path) -> None:
    report = ssh_dir / "report"
    report.mkdir(exist_ok=True)
    (report / "events.ndjson").write_text("not-json\n")
    assert recent(ssh_dir) == []


def test_flush_writes_valid_ndjson(ssh_dir: Path) -> None:
    log_event(Event(command="tree", status="ok"))
    log_event(Event(command="diff", status="error"))
    flush(ssh_dir)
    path = ssh_dir / "report" / "events.ndjson"
    lines = path.read_text().strip().splitlines()
    assert len(lines) == 2