"""Check frozen-backend collection and guard against accidental cross-builds."""

import contextlib
import io
import unittest
from pathlib import Path
from unittest.mock import patch

from scripts.build_exe import build_arguments, main


class ExeBuildTests(unittest.TestCase):
    def test_collects_windows_backend_and_keeps_output_in_project(self):
        root = Path("fixture-project").resolve()
        args = build_arguments(root)
        self.assertIn("--onedir", args)
        self.assertIn("--windowed", args)
        self.assertEqual(args[args.index("--collect-submodules") + 1], "bleak.backends.winrt")
        self.assertEqual(args[args.index("--collect-all") + 1], "winrt")
        self.assertEqual(args[args.index("--distpath") + 1], str(root / "dist"))
        self.assertEqual(args[-1], str(root / "controller" / "__main__.py"))

    def test_onefile_and_debug_console_are_explicit(self):
        args = build_arguments(Path("."), onefile=True, console=True)
        self.assertIn("--onefile", args)
        self.assertIn("--console", args)
        self.assertNotIn("--onedir", args)
        self.assertNotIn("--windowed", args)

    def test_linux_interpreter_does_not_start_a_build(self):
        with (
            patch("scripts.build_exe.sys.platform", "linux"),
            patch("scripts.build_exe.subprocess.run") as run,
            contextlib.redirect_stderr(io.StringIO()),
        ):
            with self.assertRaises(SystemExit) as result:
                main([])
        self.assertEqual(result.exception.code, 2)
        run.assert_not_called()