import json

from typer.testing import CliRunner

from k1link.cli import app

runner = CliRunner()


def test_help() -> None:
    result = runner.invoke(app, ["--help"])
    assert result.exit_code == 0
    assert "evidence-led" in result.stdout


def test_doctor_json() -> None:
    result = runner.invoke(app, ["doctor", "--json"])
    assert result.exit_code == 0
    payload = json.loads(result.stdout)
    assert payload["k1link_version"] == "0.1.0"
    assert isinstance(payload["tools"], list)
    assert isinstance(payload["network"], dict)
    assert any(item["name"] == "tcpdump" for item in payload["tools"])