"""Tests for ops.bumpversion module."""

from __future__ import annotations

import subprocess
from pathlib import Path

import pytest

from pyflowx.ops import bumpversion


@pytest.fixture(autouse=True)
def auto_use_tmp_path(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
    """自动使用临时路径."""
    monkeypatch.chdir(tmp_path)


# ---------------------------------------------------------------------- #
# bump_file_version
# ---------------------------------------------------------------------- #
class TestBumpFileVersion:
    """Test bump_file_version function."""

    @pytest.mark.parametrize(
        ("part", "expected"),
        [("patch", "1.2.4"), ("minor", "1.3.0"), ("major", "2.0.0")],
    )
    def test_bump_pyproject(self, tmp_path: Path, part: str, expected: str) -> None:
        """pyproject.toml 三种 part 递增."""
        f = tmp_path / "pyproject.toml"
        f.write_text('version = "1.2.3"', encoding="utf-8")
        assert bumpversion.bump_file_version(f, part) == expected  # type: ignore[arg-type]
        assert f'version = "{expected}"' in f.read_text(encoding="utf-8")

    @pytest.mark.parametrize(
        ("part", "expected"),
        [("patch", "1.2.4"), ("minor", "1.3.0"), ("major", "2.0.0")],
    )
    def test_bump_init_py(self, tmp_path: Path, part: str, expected: str) -> None:
        """__init__.py 三种 part 递增."""
        f = tmp_path / "__init__.py"
        f.write_text('__version__ = "1.2.3"', encoding="utf-8")
        assert bumpversion.bump_file_version(f, part) == expected  # type: ignore[arg-type]
        assert f'__version__ = "{expected}"' in f.read_text(encoding="utf-8")

    def test_prerelease_and_build_metadata_stripped(self, tmp_path: Path) -> None:
        """prerelease 和 build metadata 应被清除."""
        f = tmp_path / "pyproject.toml"
        f.write_text('version = "1.2.3-alpha.1+build.123"', encoding="utf-8")
        assert bumpversion.bump_file_version(f, "patch") == "1.2.4"
        content = f.read_text(encoding="utf-8")
        assert "alpha" not in content
        assert "build" not in content

    def test_dependencies_not_modified(self, tmp_path: Path) -> None:
        """只更新 project version, 不动 dependencies 中的版本号."""
        f = tmp_path / "pyproject.toml"
        f.write_text(
            '[project]\nversion = "1.0.0"\ndependencies = ["lib >= 2.0.0", "other >= 3.0.0"]\n',
            encoding="utf-8",
        )
        assert bumpversion.bump_file_version(f, "patch") == "1.0.1"
        content = f.read_text(encoding="utf-8")
        assert 'version = "1.0.1"' in content
        assert "lib >= 2.0.0" in content
        assert "other >= 3.0.0" in content

    def test_no_version_pattern_returns_none(self, tmp_path: Path, capsys: pytest.CaptureFixture[str]) -> None:
        """未匹配到版本号模式返回 None (支持类型但无版本 / 不支持的文件类型)."""
        f1 = tmp_path / "__init__.py"
        f1.write_text("# no version here", encoding="utf-8")
        assert bumpversion.bump_file_version(f1, "patch") is None
        assert "未找到版本号模式" in capsys.readouterr().out

        f2 = tmp_path / "test.txt"
        f2.write_text("no version here", encoding="utf-8")
        assert bumpversion.bump_file_version(f2, "patch") is None

    def test_read_directory_raises(self, tmp_path: Path) -> None:
        """读取目录 (名为 __init__.py) 应抛异常."""
        f = tmp_path / "__init__.py"
        f.mkdir()
        with pytest.raises(Exception):  # noqa: B017
            bumpversion.bump_file_version(f, "patch")

    def test_write_failure_raises(self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
        """写入失败应抛 OSError."""
        f = tmp_path / "__init__.py"
        f.write_text('__version__ = "1.0.0"', encoding="utf-8")

        def raise_oserror(*_args: object, **_kwargs: object) -> None:
            raise OSError("write failed")

        monkeypatch.setattr(Path, "write_text", raise_oserror)
        with pytest.raises(OSError, match="write failed"):
            bumpversion.bump_file_version(f, "patch")


# ---------------------------------------------------------------------- #
# bump_project_version (核心 bug 修复: 不同步文件统一同步)
# ---------------------------------------------------------------------- #
class TestBumpProjectVersion:
    """Test bump_project_version function."""

    @staticmethod
    def _mock_subprocess(monkeypatch: pytest.MonkeyPatch) -> list[list[str]]:
        """Mock subprocess.run, 返回调用记录列表."""
        calls: list[list[str]] = []

        def fake_run(cmd: list[str], **_kwargs: object) -> subprocess.CompletedProcess[bytes]:
            calls.append(cmd)
            return subprocess.CompletedProcess(cmd, 0, b"", b"")

        monkeypatch.setattr(subprocess, "run", fake_run)
        return calls

    def test_unsynced_files_synchronized(
        self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch, capsys: pytest.CaptureFixture[str]
    ) -> None:
        """核心 bug 修复: 不同步的文件应统一同步到同一新版本号.

        场景: __init__.py = 0.4.5, pyproject.toml = 0.3.5 (历史不同步)
        期望: bump patch 后两者都变为 0.4.6 (取最大值 0.4.5 作为基准 +1)
        """
        init_file = tmp_path / "src" / "pkg" / "__init__.py"
        init_file.parent.mkdir(parents=True)
        init_file.write_text('__version__ = "0.4.5"', encoding="utf-8")
        pyproj = tmp_path / "pyproject.toml"
        pyproj.write_text('version = "0.3.5"', encoding="utf-8")

        calls = self._mock_subprocess(monkeypatch)

        result = bumpversion.bump_project_version("patch")

        assert result == "0.4.6"
        assert '__version__ = "0.4.6"' in init_file.read_text(encoding="utf-8")
        assert 'version = "0.4.6"' in pyproj.read_text(encoding="utf-8")
        out = capsys.readouterr().out
        assert "基准版本: 0.4.5" in out
        assert "新版本: 0.4.6" in out

        add_calls = [c for c in calls if c[:2] == ["git", "add"]]
        assert len(add_calls) == 1
        # 跨平台: Windows 上 Path 转换为反斜杠, 统一用正斜杠比较
        init_path = str(init_file.relative_to(tmp_path)).replace("\\", "/")
        assert init_path in [arg.replace("\\", "/") for arg in add_calls[0]]
        assert "pyproject.toml" in add_calls[0]
        assert "." not in add_calls[0][2:]

        tag_calls = [c for c in calls if c[:2] == ["git", "tag"]]
        assert len(tag_calls) == 1
        assert "v0.4.6" in tag_calls[0]

    def test_no_files_returns_none(self, capsys: pytest.CaptureFixture[str]) -> None:
        """无版本号文件返回 None."""
        assert bumpversion.bump_project_version("patch") is None
        assert "未找到包含版本号的文件" in capsys.readouterr().out

    def test_files_without_version_returns_none(
        self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch, capsys: pytest.CaptureFixture[str]
    ) -> None:
        """有文件但所有文件都无版本号返回 None."""
        f = tmp_path / "__init__.py"
        f.write_text("# no version here", encoding="utf-8")
        self._mock_subprocess(monkeypatch)

        assert bumpversion.bump_project_version("patch") is None
        assert "未能从任何文件读取版本号" in capsys.readouterr().out

    def test_no_tag_skips_tag_creation(self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
        """no_tag=True 跳过 tag 创建."""
        pyproj = tmp_path / "pyproject.toml"
        pyproj.write_text('version = "1.0.0"', encoding="utf-8")

        calls = self._mock_subprocess(monkeypatch)

        assert bumpversion.bump_project_version("patch", no_tag=True) == "1.0.1"
        assert not any(c[:2] == ["git", "tag"] for c in calls)

    def test_ignored_dirs_excluded(self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
        """.venv 等忽略目录中的版本号文件不被处理."""
        venv_init = tmp_path / ".venv" / "lib" / "pkg" / "__init__.py"
        venv_init.parent.mkdir(parents=True)
        venv_init.write_text('__version__ = "0.1.0"', encoding="utf-8")
        pyproj = tmp_path / "pyproject.toml"
        pyproj.write_text('version = "1.0.0"', encoding="utf-8")

        self._mock_subprocess(monkeypatch)

        assert bumpversion.bump_project_version("patch") == "1.0.1"
        assert venv_init.read_text(encoding="utf-8") == '__version__ = "0.1.0"'