"""The conformance check: one test per rule, each breaking exactly that rule."""

from __future__ import annotations

import pytest

from napalm_standard.check import check_repo
from tests.conftest import PYPROJECT, RepoFactory


def rules(findings: list) -> set[str]:
    return {f.rule for f in findings}


def test_a_conforming_repo_has_no_findings(make_repo: RepoFactory) -> None:
    assert check_repo(make_repo()) == []


def test_a_conforming_repo_passes_at_its_own_tag(make_repo: RepoFactory) -> None:
    assert check_repo(make_repo(), tag="v1.2.0") == []


@pytest.mark.parametrize("path", ["LICENSE", "README.md", "CHANGELOG.md"])
def test_a_missing_top_level_file_is_reported(make_repo: RepoFactory, path: str) -> None:
    findings = check_repo(make_repo({path: None}))

    assert rules(findings) == {"files"}
    assert path in findings[0].message


def test_an_empty_readme_counts_as_missing(make_repo: RepoFactory) -> None:
    assert rules(check_repo(make_repo({"README.md": "\n"}))) == {"files"}


def test_a_repo_without_pyproject_reports_only_that(make_repo: RepoFactory) -> None:
    assert rules(check_repo(make_repo({"pyproject.toml": None}))) == {"pyproject"}


def test_an_unparsable_pyproject_is_reported(make_repo: RepoFactory) -> None:
    assert rules(check_repo(make_repo({"pyproject.toml": "[project\n"}))) == {"pyproject"}


@pytest.mark.parametrize("field", ["name", "version", "description", "license"])
def test_a_missing_project_field_is_reported(make_repo: RepoFactory, field: str) -> None:
    pyproject = "\n".join(
        line for line in PYPROJECT.splitlines() if not line.startswith(f"{field} = ")
    )
    findings = check_repo(make_repo({"pyproject.toml": pyproject}))

    assert rules(findings) == {"metadata"}
    assert field in findings[0].message


@pytest.mark.parametrize(
    "license_line",
    ['license = { text = "Apache-2.0" }', 'license = { file = "LICENSE" }'],
)
def test_a_license_table_is_reported(make_repo: RepoFactory, license_line: str) -> None:
    """setuptools refuses the table form from 2027-02-18 (PEP 639)."""
    pyproject = PYPROJECT.replace('license = "Apache-2.0"', license_line)

    findings = check_repo(make_repo({"pyproject.toml": pyproject}))

    assert rules(findings) == {"metadata"}
    assert "SPDX" in findings[0].message


def test_a_license_classifier_is_reported(make_repo: RepoFactory) -> None:
    pyproject = PYPROJECT.replace(
        'requires-python = ">=3.10"\n',
        'requires-python = ">=3.10"\n'
        'classifiers = ["License :: OSI Approved :: Apache Software License"]\n',
    )

    assert rules(check_repo(make_repo({"pyproject.toml": pyproject}))) == {"metadata"}


@pytest.mark.parametrize("spec", [">=3.8", ">=3.9", ""])
def test_python_below_310_or_unbounded_is_reported(make_repo: RepoFactory, spec: str) -> None:
    pyproject = PYPROJECT.replace('requires-python = ">=3.10"', f'requires-python = "{spec}"')

    assert rules(check_repo(make_repo({"pyproject.toml": pyproject}))) == {"python"}


def test_a_higher_python_floor_is_fine(make_repo: RepoFactory) -> None:
    pyproject = PYPROJECT.replace('">=3.10"', '">=3.11"')

    assert check_repo(make_repo({"pyproject.toml": pyproject})) == []


def test_a_driver_must_depend_on_device_types(make_repo: RepoFactory) -> None:
    pyproject = PYPROJECT.replace('    "napalm-device-types>=4.21",\n', "")

    assert rules(check_repo(make_repo({"pyproject.toml": pyproject}))) == {"device-types"}


@pytest.mark.parametrize("spec", ["napalm-device-types", "napalm-device-types<5"])
def test_device_types_without_a_floor_is_reported(make_repo: RepoFactory, spec: str) -> None:
    pyproject = PYPROJECT.replace('"napalm-device-types>=4.21"', f'"{spec}"')

    assert rules(check_repo(make_repo({"pyproject.toml": pyproject}))) == {"device-types"}


def test_device_types_is_matched_by_its_normalised_name(make_repo: RepoFactory) -> None:
    pyproject = PYPROJECT.replace('"napalm-device-types>=4.21"', '"napalm_device_types>=4.21"')

    assert check_repo(make_repo({"pyproject.toml": pyproject})) == []


def test_device_types_itself_needs_no_such_dependency_or_entry_point(
    make_repo: RepoFactory,
) -> None:
    pyproject = (
        PYPROJECT.replace('name = "napalm-example"', 'name = "napalm-device-types"')
        .replace('    "napalm-device-types>=4.21",\n', "")
        .replace('[project.entry-points."napalm.drivers"]\n', "")
        .replace('example = "napalm_example:ExampleDriver"\n', "")
        .replace("NAPALM/napalm-example", "NAPALM/napalm-device-types")
    )
    repo = make_repo(
        {
            "pyproject.toml": pyproject,
            "napalm_device_types/__init__.py": "",
            "napalm_device_types/py.typed": "",
        }
    )

    assert check_repo(repo) == []


def test_a_driver_without_napalm_entry_point_is_reported(make_repo: RepoFactory) -> None:
    pyproject = PYPROJECT.replace('[project.entry-points."napalm.drivers"]\n', "").replace(
        'example = "napalm_example:ExampleDriver"\n', ""
    )

    assert rules(check_repo(make_repo({"pyproject.toml": pyproject}))) == {"entry-point"}


def test_urls_must_name_a_repository(make_repo: RepoFactory) -> None:
    pyproject = PYPROJECT.replace(
        'Repository = "https://git.netork.io/NAPALM/napalm-example"\n', ""
    )

    assert rules(check_repo(make_repo({"pyproject.toml": pyproject}))) == {"urls"}


@pytest.mark.parametrize(
    "url",
    [
        "https://github.com/chrismanivong/napalm-example",
        "https://github.com/napalm-automation-community/napalm-example",
        "https://git.netork.io/christianmanivong/napalm-example",
    ],
)
def test_urls_outside_the_napalm_org_are_reported(make_repo: RepoFactory, url: str) -> None:
    pyproject = PYPROJECT.replace("https://git.netork.io/NAPALM/napalm-example/issues", url)

    findings = check_repo(make_repo({"pyproject.toml": pyproject}))

    assert rules(findings) == {"urls"}
    assert url in findings[0].message


def test_a_package_without_py_typed_is_reported(make_repo: RepoFactory) -> None:
    assert rules(check_repo(make_repo({"napalm_example/py.typed": None}))) == {"py.typed"}


def test_the_package_directory_can_be_named_explicitly(make_repo: RepoFactory) -> None:
    pyproject = PYPROJECT + '\n[tool.napalm-standard]\npackage = "napalm_other"\n'
    repo = make_repo(
        {
            "pyproject.toml": pyproject,
            "napalm_example/py.typed": None,
            "napalm_other/__init__.py": "",
            "napalm_other/py.typed": "",
        }
    )

    assert check_repo(repo) == []


def test_ci_must_live_under_gitea(make_repo: RepoFactory) -> None:
    assert rules(check_repo(make_repo({".gitea/workflows/ci.yml": None}))) == {"ci"}


def test_a_leftover_github_workflow_is_reported(make_repo: RepoFactory) -> None:
    findings = check_repo(make_repo({".github/workflows/ci.yml": "name: CI\n"}))

    assert rules(findings) == {"ci"}


def test_mypy_must_be_strict(make_repo: RepoFactory) -> None:
    pyproject = PYPROJECT.replace("[tool.mypy]\nstrict = true\n", "")

    assert rules(check_repo(make_repo({"pyproject.toml": pyproject}))) == {"ratchet"}


def test_coverage_must_have_a_floor(make_repo: RepoFactory) -> None:
    pyproject = PYPROJECT.replace("[tool.coverage.report]\nfail_under = 80\n", "")

    assert rules(check_repo(make_repo({"pyproject.toml": pyproject}))) == {"ratchet"}


def test_a_tag_must_match_the_version(make_repo: RepoFactory) -> None:
    findings = check_repo(make_repo(), tag="v1.3.0")

    assert rules(findings) == {"release"}
    assert "1.2.0" in findings[0].message


@pytest.mark.parametrize("tag", ["1.2.0", "v1.2", "release-1.2.0", "v1.2.0-rc1"])
def test_a_tag_that_is_no_release_tag_is_reported(make_repo: RepoFactory, tag: str) -> None:
    assert rules(check_repo(make_repo(), tag=tag)) == {"release"}


def test_a_tag_needs_its_changelog_section(make_repo: RepoFactory) -> None:
    changelog = "# Changelog\n\n## [1.1.0] - 2026-10-01\n\n- Facts.\n"
    findings = check_repo(make_repo({"CHANGELOG.md": changelog}), tag="v1.2.0")

    assert rules(findings) == {"release"}
    assert "CHANGELOG" in findings[0].message


def test_an_empty_changelog_section_does_not_count(make_repo: RepoFactory) -> None:
    changelog = "# Changelog\n\n## [1.2.0] - 2026-10-22\n\n## [1.1.0] - 2026-10-01\n\n- x\n"

    assert rules(check_repo(make_repo({"CHANGELOG.md": changelog}), tag="v1.2.0")) == {"release"}


def test_coverage_must_name_its_source(make_repo: RepoFactory) -> None:
    pyproject = PYPROJECT.replace('[tool.coverage.run]\nsource = ["napalm_example"]\n', "")

    assert rules(check_repo(make_repo({"pyproject.toml": pyproject}))) == {"ratchet"}