from unittest.mock import patch

import pytest

from auditwheel.policy import (
    _validate_pep600_compliance,
    get_arch_name,
    get_policy_name,
    get_priority_by_name,
    get_replace_platforms,
)


@patch("auditwheel.policy._platform_module.machine")
@patch("auditwheel.policy.bits", 32)
@pytest.mark.parametrize(
    "reported_arch,expected_arch",
    [
        ("armv6l", "armv6l"),
        ("armv7l", "armv7l"),
        ("i686", "i686"),
        ("x86_64", "i686"),
    ],
)
def test_32bits_arch_name(machine_mock, reported_arch, expected_arch):
    machine_mock.return_value = reported_arch
    machine = get_arch_name()
    assert machine == expected_arch


@patch("auditwheel.policy._platform_module.machine")
@patch("auditwheel.policy.bits", 64)
@pytest.mark.parametrize(
    "reported_arch,expected_arch",
    [
        ("aarch64", "aarch64"),
        ("ppc64le", "ppc64le"),
        ("x86_64", "x86_64"),
    ],
)
def test_64bits_arch_name(machine_mock, reported_arch, expected_arch):
    machine_mock.return_value = reported_arch
    machine = get_arch_name()
    assert machine == expected_arch


@pytest.mark.parametrize(
    "name,expected",
    [
        ("linux_aarch64", []),
        ("manylinux1_ppc64le", ["linux_ppc64le"]),
        ("manylinux2014_x86_64", ["linux_x86_64"]),
        ("manylinux_2_24_x86_64", ["linux_x86_64"]),
    ],
)
def test_replacement_platform(name, expected):
    assert get_replace_platforms(name) == expected


def test_pep600_compliance():
    _validate_pep600_compliance(
        [
            {
                "name": "manylinux1",
                "priority": 100,
                "symbol_versions": {
                    "i686": {"CXXABI": ["1.3"]},
                },
                "lib_whitelist": ["libgcc_s.so.1"],
            },
            {
                "name": "manylinux2010",
                "priority": 90,
                "symbol_versions": {
                    "i686": {"CXXABI": ["1.3", "1.3.1"]},
                },
                "lib_whitelist": ["libgcc_s.so.1", "libstdc++.so.6"],
            },
        ]
    )

    _validate_pep600_compliance(
        [
            {
                "name": "manylinux1",
                "priority": 100,
                "symbol_versions": {
                    "i686": {"CXXABI": ["1.3"]},
                    "x86_64": {"CXXABI": ["1.3"]},
                },
                "lib_whitelist": ["libgcc_s.so.1"],
            },
            {
                "name": "manylinux2010",
                "priority": 90,
                "symbol_versions": {
                    "i686": {"CXXABI": ["1.3", "1.3.1"]},
                },
                "lib_whitelist": ["libgcc_s.so.1", "libstdc++.so.6"],
            },
        ]
    )

    with pytest.raises(ValueError, match=r"manylinux2010_i686.*CXXABI.*1.3.2"):
        _validate_pep600_compliance(
            [
                {
                    "name": "manylinux1",
                    "priority": 100,
                    "symbol_versions": {
                        "i686": {"CXXABI": ["1.3", "1.3.2"]},
                    },
                    "lib_whitelist": ["libgcc_s.so.1"],
                },
                {
                    "name": "manylinux2010",
                    "priority": 90,
                    "symbol_versions": {
                        "i686": {"CXXABI": ["1.3", "1.3.1"]},
                    },
                    "lib_whitelist": ["libgcc_s.so.1", "libstdc++.so.6"],
                },
            ]
        )

    with pytest.raises(ValueError, match=r"manylinux2010.*libstdc\+\+\.so\.6"):
        _validate_pep600_compliance(
            [
                {
                    "name": "manylinux1",
                    "priority": 100,
                    "symbol_versions": {
                        "i686": {"CXXABI": ["1.3"]},
                    },
                    "lib_whitelist": ["libgcc_s.so.1", "libstdc++.so.6"],
                },
                {
                    "name": "manylinux2010",
                    "priority": 90,
                    "symbol_versions": {
                        "i686": {"CXXABI": ["1.3", "1.3.1"]},
                    },
                    "lib_whitelist": ["libgcc_s.so.1"],
                },
            ]
        )


class TestPolicyAccess:
    def test_get_by_priority(self):
        _arch = get_arch_name()
        assert get_policy_name(65) == f"manylinux_2_27_{_arch}"
        assert get_policy_name(70) == f"manylinux_2_24_{_arch}"
        assert get_policy_name(80) == f"manylinux_2_17_{_arch}"
        if _arch in {"x86_64", "i686"}:
            assert get_policy_name(90) == f"manylinux_2_12_{_arch}"
            assert get_policy_name(100) == f"manylinux_2_5_{_arch}"
        assert get_policy_name(0) == f"linux_{_arch}"

    def test_get_by_priority_missing(self):
        assert get_policy_name(101) is None

    @patch(
        "auditwheel.policy._POLICIES",
        [
            {"name": "duplicate", "priority": 0},
            {"name": "duplicate", "priority": 0},
        ],
    )
    def test_get_by_priority_duplicate(self):
        with pytest.raises(RuntimeError):
            get_policy_name(0)

    def test_get_by_name(self):
        _arch = get_arch_name()
        assert get_priority_by_name(f"manylinux_2_27_{_arch}") == 65
        assert get_priority_by_name(f"manylinux_2_24_{_arch}") == 70
        assert get_priority_by_name(f"manylinux2014_{_arch}") == 80
        assert get_priority_by_name(f"manylinux_2_17_{_arch}") == 80
        if _arch in {"x86_64", "i686"}:
            assert get_priority_by_name(f"manylinux2010_{_arch}") == 90
            assert get_priority_by_name(f"manylinux_2_12_{_arch}") == 90
            assert get_priority_by_name(f"manylinux1_{_arch}") == 100
            assert get_priority_by_name(f"manylinux_2_5_{_arch}") == 100

    def test_get_by_name_missing(self):
        assert get_priority_by_name("nosuchpolicy") is None

    @patch(
        "auditwheel.policy._POLICIES",
        [
            {"name": "duplicate", "priority": 0},
            {"name": "duplicate", "priority": 0},
        ],
    )
    def test_get_by_name_duplicate(self):
        with pytest.raises(RuntimeError):
            get_priority_by_name("duplicate")