"""Tests for CLI."""

import os
import subprocess
import sys


def test_version_flag():
    """Test --version flag works."""
    result = subprocess.run(
        [sys.executable, "-m", "flow", "--version"],
        capture_output=True, text=True,
    )
    assert result.returncode == 0
    assert "flow" in result.stdout


def test_help_flag():
    """Test --help shows commands."""
    result = subprocess.run(
        [sys.executable, "-m", "flow", "--help"],
        capture_output=True, text=True,
    )
    assert result.returncode == 0
    assert "dotfiles" in result.stdout
    assert "packages" in result.stdout
    assert "setup" in result.stdout


def test_dotfiles_help():
    result = subprocess.run(
        [sys.executable, "-m", "flow", "dotfiles", "--help"],
        capture_output=True, text=True,
    )
    assert result.returncode == 0
    assert "link" in result.stdout
    assert "unlink" in result.stdout


def test_packages_help():
    result = subprocess.run(
        [sys.executable, "-m", "flow", "packages", "--help"],
        capture_output=True, text=True,
    )
    assert result.returncode == 0
    assert "install" in result.stdout


def test_invalid_config_is_reported_without_traceback(tmp_path):
    config_root = tmp_path / "config"
    (config_root / "flow").mkdir(parents=True)
    (config_root / "flow" / "config.yaml").write_text(":\n  bad\n")

    env = dict(os.environ)
    env["XDG_CONFIG_HOME"] = str(config_root)
    result = subprocess.run(
        [sys.executable, "-m", "flow", "completion"],
        capture_output=True,
        text=True,
        env=env,
    )
    assert result.returncode == 1
    assert "Invalid YAML" in result.stderr
    assert "Traceback" not in result.stderr


def test_local_manifest_is_loaded(tmp_path):
    config_root = tmp_path / "config"
    flow_dir = config_root / "flow"
    flow_dir.mkdir(parents=True)
    (flow_dir / "manifest.yaml").write_text(
        "profiles:\n"
        "  demo:\n"
        "    os: linux\n"
    )

    env = dict(os.environ)
    env["XDG_CONFIG_HOME"] = str(config_root)
    result = subprocess.run(
        [sys.executable, "-m", "flow", "setup", "list"],
        capture_output=True,
        text=True,
        env=env,
    )
    assert result.returncode == 0
    assert "demo" in result.stdout