import subprocess

from test_config import settings

from lai_automation.git import GitWorkspace


def test_test_command_does_not_interpret_shell_metacharacters(tmp_path) -> None:
    workspace = GitWorkspace(settings(workspace_root=tmp_path), 1)
    workspace.path.mkdir()

    result = workspace.run("printf safe ; touch injected", check=False)

    assert result.stdout == "safe"
    assert result.returncode != 0
    assert not (workspace.path / "injected").exists()


def test_summary_includes_untracked_files(tmp_path) -> None:
    workspace = GitWorkspace(settings(workspace_root=tmp_path), 2)
    workspace.path.mkdir()
    subprocess.run(["git", "init"], cwd=workspace.path, check=True, capture_output=True)
    (workspace.path / "new.php").write_text("<?php\n")

    summary = workspace.summary()

    assert summary.files == ("new.php",)
    assert summary.added_lines == 1


def test_discard_changes_restores_clean_disposable_workspace(tmp_path) -> None:
    workspace = GitWorkspace(settings(workspace_root=tmp_path), 3)
    workspace.path.mkdir()
    subprocess.run(["git", "init"], cwd=workspace.path, check=True, capture_output=True)
    subprocess.run(
        ["git", "config", "user.email", "test@example.invalid"],
        cwd=workspace.path,
        check=True,
    )
    subprocess.run(
        ["git", "config", "user.name", "Test"],
        cwd=workspace.path,
        check=True,
    )
    tracked = workspace.path / "tracked.php"
    tracked.write_text("<?php\nreturn [];\n")
    subprocess.run(["git", "add", "."], cwd=workspace.path, check=True)
    subprocess.run(["git", "commit", "-m", "base"], cwd=workspace.path, check=True, capture_output=True)
    tracked.write_text("<?php\ninvalid\n")
    untracked = workspace.path / "extra.php"
    untracked.write_text("<?php\n")

    workspace.discard_changes()

    assert tracked.read_text() == "<?php\nreturn [];\n"
    assert not untracked.exists()