"""mSCP subprocess uses a real Python when frozen (not the PyInstaller binary)."""

from __future__ import annotations

import platform
import sys
from pathlib import Path

import pytest
from applepy import mscp


def test_python_for_mscp_respects_applepy_python(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
    fake = tmp_path / "mypython"
    fake.write_text("#!/bin/sh\necho ok\n", encoding="utf-8")
    fake.chmod(0o755)
    monkeypatch.setenv("APPLEPY_PYTHON", str(fake))
    monkeypatch.delenv("APPLEPY_MACOS_SECURITY_ROOT", raising=False)
    got = mscp._python_for_mscp_subprocess()
    assert got == str(fake)


def test_python_for_mscp_frozen_non_darwin_uses_meipass_python(
    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
) -> None:
    monkeypatch.delenv("APPLEPY_PYTHON", raising=False)
    monkeypatch.setattr(sys, "frozen", True, raising=False)
    monkeypatch.setattr(sys, "_MEIPASS", str(tmp_path), raising=False)
    monkeypatch.setattr(platform, "system", lambda: "Linux")
    py = tmp_path / "python3"
    py.write_text("#!\n", encoding="utf-8")
    py.chmod(0o755)
    got = mscp._python_for_mscp_subprocess()
    assert got == str(py)


def test_python_for_mscp_frozen_darwin_skips_meipass_python(
    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
) -> None:
    """macOS bundle `python` is libPython, not an interpreter — use system or PATH."""
    monkeypatch.delenv("APPLEPY_PYTHON", raising=False)
    monkeypatch.setattr(sys, "frozen", True, raising=False)
    me = tmp_path / "meipass"
    me.mkdir()
    fake_internal = me / "python3"
    fake_internal.write_text("# would be dylib on real bundle\n", encoding="utf-8")
    fake_internal.chmod(0o755)
    monkeypatch.setattr(sys, "_MEIPASS", str(me), raising=False)
    monkeypatch.setattr(platform, "system", lambda: "Darwin")
    monkeypatch.setattr(mscp, "_SYSTEM_PYTHON3_CANDIDATES", ())
    good = tmp_path / "path_python3"
    good.write_text("#!/bin/sh\necho\n", encoding="utf-8")
    good.chmod(0o755)
    monkeypatch.setattr(mscp.shutil, "which", lambda _cmd: str(good))
    got = mscp._python_for_mscp_subprocess()
    assert got == str(good)


def test_python_for_mscp_non_frozen_uses_sys_executable(monkeypatch: pytest.MonkeyPatch) -> None:
    monkeypatch.delenv("APPLEPY_PYTHON", raising=False)
    monkeypatch.setattr(sys, "frozen", False, raising=False)
    assert mscp._python_for_mscp_subprocess() == sys.executable


def test_run_subprocess_via_logfiles_captures_streams() -> None:
    code, out, err = mscp._run_subprocess_via_logfiles(
        [sys.executable, "-c", "import sys; print('hello'); print('warn', file=sys.stderr)"],
        cwd=None,
        timeout=30.0,
    )
    assert code == 0
    assert "hello" in out
    assert "warn" in err