import pytest


class TestGetAttrProxy:
    def test_known_attribute_proxied(self, hc_module):
        """Accessing a known main.py global via hc_module returns main's value."""
        val = hc_module._main.debug_mode
        assert hc_module.debug_mode == val

    def test_nonexistent_attribute_raises(self, hc_module):
        """Accessing a nonexistent attribute raises AttributeError."""
        with pytest.raises(AttributeError):
            _ = hc_module.this_attribute_does_not_exist_xyz

    def test_getattr_returns_main_function(self, hc_module):
        """Functions defined in main.py are accessible via the proxy."""
        assert callable(hc_module.generate_session_id)


class TestSyncGlobalsToMain:
    @pytest.mark.parametrize(
        "name,value",
        [
            ("hcatHashType", "9999"),
            ("hcatHashFile", "/tmp/synced.txt"),
            ("hcatHashFileOrig", "/tmp/orig.txt"),
            ("pipalPath", "/tmp/pipal"),
            ("pipal_count", 42),
            ("debug_mode", True),
        ],
    )
    def test_syncs_global(self, hc_module, name, value):
        """Setting a synced name in hc_module.__dict__ and calling sync propagates to main."""
        hc_module.__dict__[name] = value
        hc_module._sync_globals_to_main()
        assert getattr(hc_module._main, name) == value

    def test_only_syncs_listed_names(self, hc_module):
        """Names not in the sync list are not pushed to main."""
        hc_module.__dict__["_random_unlisted_var"] = "should_not_sync"
        hc_module._sync_globals_to_main()
        assert getattr(hc_module._main, "_random_unlisted_var", None) != "should_not_sync"

    def test_absent_name_skipped(self, hc_module):
        """If a synced name is absent from hc_module globals, main is not modified."""
        hc_module.__dict__.pop("pipal_count", None)
        original = getattr(hc_module._main, "pipal_count", None)
        hc_module._sync_globals_to_main()
        assert getattr(hc_module._main, "pipal_count", None) == original


class TestSyncCallablesToMain:
    def test_syncs_callable_to_main(self, hc_module):
        """A callable set in hc_module.__dict__ is pushed to main."""

        def fake_fn():
            return "fake"

        hc_module.__dict__["quit_hc"] = fake_fn
        hc_module._sync_callables_to_main()
        assert hc_module._main.quit_hc is fake_fn

    def test_syncs_show_results(self, hc_module):
        """show_results callable is pushed to main when present."""

        def fake_fn():
            return "results"

        hc_module.__dict__["show_results"] = fake_fn
        hc_module._sync_callables_to_main()
        assert hc_module._main.show_results is fake_fn

    def test_skips_when_not_in_globals(self, hc_module):
        """If a callable name is absent from hc_module globals, main is unchanged."""
        original = getattr(hc_module._main, "show_readme", None)
        hc_module.__dict__.pop("show_readme", None)
        hc_module._sync_callables_to_main()
        assert getattr(hc_module._main, "show_readme", None) == original

    def test_all_callable_names_sync(self, hc_module):
        """All callable names in the sync list are pushed when present."""
        names = [
            "weakpass_wordlist_menu",
            "download_hashmob_wordlists",
            "download_hashmob_rules",
            "hashview_api",
            "export_excel",
            "show_results",
            "show_readme",
            "quit_hc",
        ]

        def make_fn(n: str):
            def fn() -> str:
                return n

            return fn

        fakes = {name: make_fn(name) for name in names}
        for name, fn in fakes.items():
            hc_module.__dict__[name] = fn
        hc_module._sync_callables_to_main()
        for name, fn in fakes.items():
            assert getattr(hc_module._main, name) is fn


class TestSymbolReexport:
    def test_main_function_accessible(self, hc_module):
        """Functions from main.py should be accessible on hc_module."""
        assert callable(getattr(hc_module, "hcatBruteForce", None))

    def test_hc_module_has_main_ref(self, hc_module):
        """hc_module._main should be the hate_crack.main module."""
        import hate_crack.main as main_mod

        assert hc_module._main is main_mod

    def test_debug_mode_reexported(self, hc_module):
        """Module-level globals from main.py appear on hc_module at load time."""
        assert hasattr(hc_module, "debug_mode")

    def test_generate_session_id_reexported(self, hc_module):
        """generate_session_id from main.py is accessible directly on hc_module."""
        fn = getattr(hc_module, "generate_session_id", None)
        assert callable(fn)