"""Tests for myagents.commands.version."""

import subprocess
from pathlib import Path

from click.testing import CliRunner

from myagents.commands import version as ver_mod


class TestDescribeTree:
    def test_installed_runtime_tree(self) -> None:
        tree = Path("/home/u/.xiaohe/runtime/v1.2.3/contrib/myagents")
        mode, detail = ver_mod.describe_tree(tree)
        assert mode == "installed"
        assert detail == "v1.2.3"

    def test_development_checkout(self, tmp_path: Path) -> None:
        repo = tmp_path / "repo"
        repo.mkdir()
        (repo / ".git").mkdir()
        mode, _ = ver_mod.describe_tree(repo)
        assert mode == "development"

    def test_unknown_tree(self, tmp_path: Path) -> None:
        mode, _ = ver_mod.describe_tree(tmp_path)
        assert mode == "unknown"


class TestGitDescribe:
    def test_describes_real_repo(self, tmp_path: Path) -> None:
        repo = tmp_path / "repo"
        repo.mkdir()
        subprocess.run(["git", "init", "-q"], cwd=repo, check=True)
        subprocess.run(
            ["git", "-c", "user.email=t@t", "-c", "user.name=t",
             "commit", "-q", "--allow-empty", "-m", "init"],
            cwd=repo, check=True,
        )
        result = ver_mod._git_describe(repo)
        assert "branch" in result


class TestVersionCommand:
    def test_runs_and_reports(self) -> None:
        result = CliRunner().invoke(ver_mod.version_cmd)
        assert result.exit_code == 0
        assert "myagents" in result.output