import socket
import sys
import textwrap

import pytest
import yaml

from rtut import legacy, pack as P


def free_port():
    s = socket.socket(); s.bind(("127.0.0.1", 0)); p = s.getsockname()[1]; s.close(); return p


def make_repo(tmp_path, command, url, cwd="."):
    d = tmp_path / "runbooks" / "old"
    d.mkdir(parents=True)
    (d / "pack.yaml").write_text(yaml.safe_dump({
        "spec": "runbook-pack/v0.1", "id": "t.old", "title": "Old console", "owner": "t",
        "engine": "legacy-command",
        "legacy": {"command": command, "cwd": cwd, "url": url}}))
    return P.load(d / "pack.yaml")


def test_launch_and_stop(tmp_path):
    port = free_port()
    pk = make_repo(tmp_path, [sys.executable, "-m", "http.server", str(port), "--bind", "127.0.0.1"],
                   f"http://127.0.0.1:{port}")
    proc = legacy.launch(pk, timeout=10)
    try:
        assert proc.poll() is None
    finally:
        proc.terminate(); proc.wait(5)


def test_timeout_when_console_never_answers(tmp_path):
    pk = make_repo(tmp_path, [sys.executable, "-c", "import time; time.sleep(30)"],
                   f"http://127.0.0.1:{free_port()}")
    with pytest.raises(TimeoutError):
        legacy.launch(pk, timeout=1)


def test_cwd_escape_refused(tmp_path):
    pk = make_repo(tmp_path, ["true"], "", cwd="../..")
    with pytest.raises(ValueError):
        legacy.launch(pk)