"""Tests for CLI routing and command registration."""

import os
import subprocess
import sys


def _clean_env():
    """Return env dict without DF_* variables that trigger enter's guard."""
    return {k: v for k, v in os.environ.items() if not k.startswith("DF_")}


def test_version():
    result = subprocess.run(
        [sys.executable, "-m", "flow", "--version"],
        capture_output=True, text=True,
    )
    assert result.returncode == 0
    assert "0.1.0" in result.stdout


def test_help():
    result = subprocess.run(
        [sys.executable, "-m", "flow", "--help"],
        capture_output=True, text=True,
    )
    assert result.returncode == 0
    assert "enter" in result.stdout
    assert "dev" in result.stdout
    assert "dotfiles" in result.stdout
    assert "bootstrap" in result.stdout
    assert "package" in result.stdout
    assert "sync" in result.stdout
    assert "completion" in result.stdout


def test_enter_help():
    result = subprocess.run(
        [sys.executable, "-m", "flow", "enter", "--help"],
        capture_output=True, text=True,
    )
    assert result.returncode == 0
    assert "target" in result.stdout
    assert "--dry-run" 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 "init" in result.stdout
    assert "link" in result.stdout
    assert "unlink" in result.stdout
    assert "status" in result.stdout
    assert "sync" in result.stdout


def test_bootstrap_help():
    result = subprocess.run(
        [sys.executable, "-m", "flow", "bootstrap", "--help"],
        capture_output=True, text=True,
    )
    assert result.returncode == 0
    assert "run" in result.stdout
    assert "list" in result.stdout
    assert "show" in result.stdout


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


def test_sync_help():
    result = subprocess.run(
        [sys.executable, "-m", "flow", "sync", "--help"],
        capture_output=True, text=True,
    )
    assert result.returncode == 0
    assert "check" in result.stdout
    assert "fetch" in result.stdout
    assert "summary" in result.stdout


def test_dev_help():
    result = subprocess.run(
        [sys.executable, "-m", "flow", "dev", "--help"],
        capture_output=True, text=True,
    )
    assert result.returncode == 0
    assert "create" in result.stdout
    assert "exec" in result.stdout
    assert "connect" in result.stdout
    assert "list" in result.stdout
    assert "stop" in result.stdout
    assert "remove" in result.stdout
    assert "respawn" in result.stdout


def test_enter_dry_run():
    result = subprocess.run(
        [sys.executable, "-m", "flow", "enter", "--dry-run", "personal@orb"],
        capture_output=True, text=True, env=_clean_env(),
    )
    assert result.returncode == 0
    assert "ssh" in result.stdout
    assert "personal.orb" in result.stdout
    assert "tmux" in result.stdout


def test_enter_dry_run_no_tmux():
    result = subprocess.run(
        [sys.executable, "-m", "flow", "enter", "--dry-run", "--no-tmux", "personal@orb"],
        capture_output=True, text=True, env=_clean_env(),
    )
    assert result.returncode == 0
    assert "ssh" in result.stdout
    assert "tmux" not in result.stdout


def test_enter_dry_run_with_user():
    result = subprocess.run(
        [sys.executable, "-m", "flow", "enter", "--dry-run", "root@personal@orb"],
        capture_output=True, text=True, env=_clean_env(),
    )
    assert result.returncode == 0
    assert "root@personal.orb" in result.stdout


def test_enter_dry_run_shows_terminfo_hint_for_ghostty():
    env = _clean_env()
    env["TERM"] = "xterm-ghostty"

    result = subprocess.run(
        [sys.executable, "-m", "flow", "enter", "--dry-run", "personal@orb"],
        capture_output=True, text=True, env=env,
    )

    assert result.returncode == 0
    assert "flow will not install or modify terminfo" in result.stdout
    assert "infocmp -x xterm-ghostty | ssh" in result.stdout


def test_aliases():
    """Test that command aliases work."""
    for alias, cmd in [("dot", "dotfiles"), ("pkg", "package"), ("setup", "bootstrap")]:
        result = subprocess.run(
            [sys.executable, "-m", "flow", alias, "--help"],
            capture_output=True, text=True,
        )
        assert result.returncode == 0, f"Alias '{alias}' failed"


def test_dev_remove_alias():
    result = subprocess.run(
        [sys.executable, "-m", "flow", "dev", "rm", "--help"],
        capture_output=True, text=True,
    )
    assert result.returncode == 0