from pathlib import Path
import shutil
import subprocess

import pytest

from rtut import pack as P, run as R

ROOT = Path(__file__).resolve().parent.parent
SRC = ROOT / "runbooks/showcase-lighthouse"


@pytest.fixture
def pk(tmp_path):
    d = tmp_path / "runbooks" / "showcase"; d.mkdir(parents=True)
    shutil.copy(SRC / "pack.yaml", d / "pack.yaml")
    return P.load(d / "pack.yaml")


def test_showcase_is_valid():
    assert P.load(SRC / "pack.yaml").ok


def test_scripted_playthrough(pk):
    r = R.create(pk, "tester", {"keeper": "Ada", "weather": "storm", "motto": "Light on"})
    for s in pk.data["steps"]:
        sid = s["id"]
        R.start(r, sid)
        cmd = R.command_for(r, sid)          # the operator runs the command...
        if cmd:
            subprocess.run(cmd, shell=True, check=True, capture_output=True)
        v = s["verify"]                     # ...then the engine verifies the result
        res = R.verify(r, sid, confirm=True, manual_ok=True if v["expect"] == "manual" else None)
        assert res["passed"], sid
        R.complete(r, sid, {n: "1" for n in s.get("evidence", [])})
    assert r.complete
    assert not Path(r.data["params"]["logdir"]).exists()
    old, new = R.exercise_update(r)
    assert "exercised" in new


def test_bad_logdir_rejected(pk):
    with pytest.raises(R.RunError):
        R.create(pk, "tester", {"logdir": "/etc"})
    with pytest.raises(R.RunError):
        R.create(pk, "tester", {"motto": 'x"; rm -rf /'})