# Copyright (C) 2021 - 2026 ANSYS, Inc. and/or its affiliates.
# SPDX-License-Identifier: MIT
#
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
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#
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# SOFTWARE.

import pytest

from ansys.fluent.core.utils.fluent_version import (
    AnsysVersionNotFound,
    FluentVersion,
    all_versions,
    between,
    except_for,
    only_at,
    since,
    until,
)


def test_examples():
    assert FluentVersion("25.2.0") == FluentVersion.v252
    assert FluentVersion.v252.number == 252
    assert FluentVersion.v252.awp_var == "AWP_ROOT252"
    assert FluentVersion.v252.name == "v252"
    assert FluentVersion.v252.value == "25.2.0"


def test_version_found():
    assert FluentVersion("25.2") == FluentVersion.v252
    assert FluentVersion(25.2) == FluentVersion.v252
    assert FluentVersion(252) == FluentVersion.v252


def test_version_not_found():
    with pytest.raises(AnsysVersionNotFound):
        FluentVersion("24.1.0")

    with pytest.raises(AnsysVersionNotFound):
        FluentVersion(22)


def test_get_latest_installed(helpers, fs):
    helpers.mock_awp_vars()
    with pytest.raises(FileNotFoundError):
        assert FluentVersion.get_latest_installed() == FluentVersion.current_release()
    fs.create_file(FluentVersion.current_release().get_fluent_exe_path())
    assert FluentVersion.get_latest_installed() == FluentVersion.current_release()


def test_gt():
    assert FluentVersion.v252 > FluentVersion.v251


def test_ge():
    assert FluentVersion.v252 >= FluentVersion.v252
    assert FluentVersion.v252 >= FluentVersion.v251


def test_lt():
    assert FluentVersion.v251 < FluentVersion.v252


def test_le():
    assert FluentVersion.v251 <= FluentVersion.v251
    assert FluentVersion.v251 <= FluentVersion.v252


def test_ne():
    assert FluentVersion.v252 != FluentVersion.v242


def test_eq():
    assert FluentVersion.v252 == FluentVersion.v252


def test_str_output():
    assert str(FluentVersion.v251) == "Ansys Fluent 2025 R1"


def test_fluent_version_set():
    set0 = all_versions()
    set1 = since(FluentVersion.v251)
    set2 = until(FluentVersion.v251)
    set3 = only_at(FluentVersion.v251)
    set4 = except_for(FluentVersion.v251)
    set5 = between(FluentVersion.v242, FluentVersion.v252)
    assert FluentVersion.v251 in set1
    assert FluentVersion.v251 not in set2
    assert FluentVersion.v251 in set3
    assert FluentVersion.v251 not in set4
    assert set4 - set2 == set1 - set3
    assert set1 | set2 == set3 | set4 == set0
    assert set1 & set4 == set1 - set3
    assert set1 > set4 - set2
    assert len(set5) == 2
    assert set5 == since(FluentVersion.v242) & until(FluentVersion.v252)
    d = {}
    d[set1] = "test"
    assert set1 in d


def test_minimum_supported():
    assert FluentVersion.minimum_supported() == min(all_versions())
