"""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_no_color_flag():
    """Test --no-color flag is accepted."""
    result = subprocess.run(
        [sys.executable, "-m", "flow", "--no-color", "--help"],
        capture_output=True, text=True,
    )
    assert result.returncode == 0


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
    # Removed commands should not appear
    assert "relink" not in result.stdout
    assert "undo" not in result.stdout
    assert "clean" not in result.stdout
    assert "sync" not in result.stdout
    assert "modules" not 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