import pytest
from requests.exceptions import ConnectionError
import sys
from unittest.mock import patch

from awxkit.cli import run, CLI


class MockedCLI(CLI):
    def fetch_version_root(self):
        pass

    @property
    def v2(self):
        return MockedCLI()

    @property
    def json(self):
        return {'users': None}


@pytest.mark.parametrize('help_param', ['-h', '--help'])
def test_help(capfd, help_param):
    with pytest.raises(SystemExit):
        run(['awx {}'.format(help_param)])
    out, err = capfd.readouterr()

    assert "usage:" in out
    for snippet in ('--conf.host https://example.awx.org]', '-v, --verbose'):
        assert snippet in out


def test_connection_error(capfd):
    cli = CLI()
    cli.parse_args(['awx'])
    with pytest.raises(ConnectionError):
        cli.connect()


@pytest.mark.parametrize('resource', ['', 'invalid'])
def test_list_resources(capfd, resource):
    # if a valid resource isn't specified, print --help
    cli = MockedCLI()
    cli.parse_args(['awx {}'.format(resource)])
    cli.connect()

    try:
        cli.parse_resource()
        out, err = capfd.readouterr()
    except SystemExit:
        # python2 argparse raises SystemExit for invalid/missing required args,
        # py3 doesn't
        _, out = capfd.readouterr()

    assert "usage:" in out
    for snippet in ('--conf.host https://example.awx.org]', '-v, --verbose'):
        assert snippet in out


class TestHelpHandling:
    """Test suite for improved help handling functionality"""

    def test_get_non_option_args_basic(self):
        """Test _get_non_option_args extracts non-option arguments correctly"""
        cli = CLI()
        cli.argv = ['awx', 'users', 'list', '--verbose']

        result = cli._get_non_option_args()
        assert result == ['users', 'list']

    def test_get_non_option_args_with_flags(self):
        """Test _get_non_option_args ignores option flags and their values"""
        cli = CLI()
        cli.argv = ['awx', '--conf.host', 'example.com', 'jobs', 'create', '--name', 'test']

        result = cli._get_non_option_args()
        # Should only include positional arguments, not option values
        assert result == ['jobs', 'create']

    def test_get_non_option_args_before_help(self):
        """Test _get_non_option_args with before_help=True stops at help flag"""
        cli = CLI()
        cli.argv = ['awx', 'users', '--help', 'extra', 'args']

        result = cli._get_non_option_args(before_help=True)
        assert result == ['users']

    def test_get_non_option_args_before_help_short_flag(self):
        """Test _get_non_option_args with before_help=True stops at -h flag"""
        cli = CLI()
        cli.argv = ['awx', 'projects', '-h', 'should', 'not', 'appear']

        result = cli._get_non_option_args(before_help=True)
        assert result == ['projects']

    def test_get_non_option_args_no_help_flag(self):
        """Test _get_non_option_args when help flag not present"""
        cli = CLI()
        cli.argv = ['awx', 'organizations', 'list']

        result = cli._get_non_option_args(before_help=True)
        assert result == ['organizations', 'list']

    def test_is_main_help_request_true(self):
        """Test _is_main_help_request returns True for main CLI help"""
        cli = CLI()
        cli.argv = ['awx', '--help']

        result = cli._is_main_help_request()
        assert result is True

    def test_is_main_help_request_short_flag(self):
        """Test _is_main_help_request returns True for main CLI help with -h"""
        cli = CLI()
        cli.argv = ['awx', '-h']

        result = cli._is_main_help_request()
        assert result is True

    def test_is_main_help_request_false_subcommand(self):
        """Test _is_main_help_request returns False for subcommand help"""
        cli = CLI()
        cli.argv = ['awx', 'users', '--help']

        result = cli._is_main_help_request()
        assert result is False

    def test_is_main_help_request_false_action(self):
        """Test _is_main_help_request returns False for action help"""
        cli = CLI()
        cli.argv = ['awx', 'jobs', 'create', '--help']

        result = cli._is_main_help_request()
        assert result is False

    def test_is_main_help_request_false_no_help(self):
        """Test _is_main_help_request returns False when no help flag"""
        cli = CLI()
        cli.argv = ['awx', 'users', 'list']

        result = cli._is_main_help_request()
        assert result is False

    def test_early_help_return_main_cli(self):
        """Test that main CLI help exits early without server connection"""
        cli = CLI()
        # Verify that _is_main_help_request works correctly
        cli.argv = ['awx', '--help']
        assert cli._is_main_help_request() is True

        # Test that parse_args with main help flag should exit
        with patch.object(sys, 'exit') as mock_exit:
            cli.parse_args(['awx', '--help'])
            mock_exit.assert_called_once_with(0)

    def test_no_early_exit_for_subcommand_help(self):
        """Test that subcommand help does not exit early"""
        with patch.object(sys, 'exit') as mock_exit:
            cli = CLI()
            # This should not exit early since it's subcommand help
            cli.parse_args(['awx', 'users', '--help'])

            mock_exit.assert_not_called()

    def test_help_property_detection(self):
        """Test that help property correctly detects help flags"""
        cli = CLI()

        cli.argv = ['awx', '--help']
        assert cli.help is True

        cli.argv = ['awx', '-h']
        assert cli.help is True

        cli.argv = ['awx', 'users', '--help']
        assert cli.help is True

        cli.argv = ['awx', 'users', 'list']
        assert cli.help is False

    def test_short_help_flag_added(self):
        """Test that -h flag is properly added to argument parser"""
        cli = CLI()
        cli.parse_args(['awx'])

        # Verify that both -h and --help are recognized
        help_actions = [action for action in cli.parser._actions if '--help' in action.option_strings]
        assert len(help_actions) == 1
        assert '-h' in help_actions[0].option_strings
        assert '--help' in help_actions[0].option_strings

    def test_get_non_option_args_with_equals_format(self):
        """Test _get_non_option_args handles --opt=val format correctly"""
        cli = CLI()
        cli.argv = ['awx', 'users', 'create', '--email=john@example.com', '--name=john']

        result = cli._get_non_option_args()
        assert result == ['users', 'create']

    def test_get_non_option_args_mixed_option_formats(self):
        """Test _get_non_option_args handles mixed --opt=val and --opt val formats"""
        cli = CLI()
        cli.argv = ['awx', 'jobs', 'launch', '--job-template=5', '--extra-vars', '{"key": "value"}', 'extra_arg']

        result = cli._get_non_option_args()
        assert result == ['jobs', 'launch', 'extra_arg']

    def test_get_non_option_args_short_options(self):
        """Test _get_non_option_args handles short options correctly"""
        cli = CLI()
        cli.argv = ['awx', '-v', '-f', 'json', 'projects', 'list']

        result = cli._get_non_option_args()
        assert result == ['projects', 'list']

    def test_get_non_option_args_consecutive_options(self):
        """Test _get_non_option_args with consecutive options"""
        cli = CLI()
        cli.argv = ['awx', '--conf.host', 'example.com', '--conf.username', 'admin', 'teams', 'create']

        result = cli._get_non_option_args()
        assert result == ['teams', 'create']

    def test_get_non_option_args_option_at_end(self):
        """Test _get_non_option_args with option at the end"""
        cli = CLI()
        cli.argv = ['awx', 'users', 'list', '--format', 'table']

        result = cli._get_non_option_args()
        assert result == ['users', 'list']

    def test_get_non_option_args_flag_only_options(self):
        """Test _get_non_option_args with flag-only options (no values)"""
        cli = CLI()
        # More realistic: flags at the end or grouped together
        cli.argv = ['awx', 'organizations', 'list', '--verbose', '--insecure', '--monitor']

        result = cli._get_non_option_args()
        assert result == ['organizations', 'list']

    def test_get_non_option_args_option_value_looks_like_option(self):
        """Test _get_non_option_args when option value starts with dash"""
        cli = CLI()
        cli.argv = ['awx', 'jobs', 'create', '--description', '-some-description-with-dashes', 'template']

        result = cli._get_non_option_args()
        # Values starting with '-' are treated as options, and 'template' becomes the value for that "option"
        # Users should use --description="-some-value" format for values starting with dash
        assert result == ['jobs', 'create']

    def test_get_non_option_args_complex_scenario(self):
        """Test _get_non_option_args with complex mixed arguments"""
        cli = CLI()
        cli.argv = [
            'awx',
            '--conf.host=https://example.com',
            'job_templates',
            'create',
            '--name',
            'my-template',
            '--job-type=run',
            '--inventory',
            '1',
            '--project=2',
            '--verbose',
        ]

        result = cli._get_non_option_args()
        assert result == ['job_templates', 'create']

    def test_get_non_option_args_before_help_with_options(self):
        """Test _get_non_option_args before_help=True with options before help"""
        cli = CLI()
        cli.argv = ['awx', '--conf.host', 'example.com', 'users', 'create', '--name=test', '--help', 'ignored']

        result = cli._get_non_option_args(before_help=True)
        assert result == ['users', 'create']

    def test_get_non_option_args_before_help_only_options(self):
        """Test _get_non_option_args before_help=True with only options before help"""
        cli = CLI()
        cli.argv = ['awx', '--verbose', '--conf.host=example.com', '--help', 'users', 'list']

        result = cli._get_non_option_args(before_help=True)
        assert result == []

    def test_is_main_help_request_with_options_before_help(self):
        """Test _is_main_help_request with options but no subcommands before help"""
        cli = CLI()
        cli.argv = ['awx', '--conf.host=example.com', '--verbose', '--help']

        result = cli._is_main_help_request()
        assert result is True

    def test_is_main_help_request_false_with_subcommand_and_options(self):
        """Test _is_main_help_request returns False when subcommand present with options"""
        cli = CLI()
        cli.argv = ['awx', '--conf.host', 'example.com', 'users', '--format=json', '--help']

        result = cli._is_main_help_request()
        assert result is False

    def test_is_main_help_request_false_option_value_looks_like_subcommand(self):
        """Test _is_main_help_request doesn't mistake option values for subcommands"""
        cli = CLI()
        cli.argv = ['awx', '--conf.host', 'users', '--help']  # 'users' is option value, not subcommand

        result = cli._is_main_help_request()
        assert result is True  # Should be True since 'users' is just an option value

    def test_is_main_help_request_complex_option_scenario(self):
        """Test _is_main_help_request with complex option scenario"""
        cli = CLI()
        cli.argv = ['awx', '--conf.username=admin', '--conf.password', 'secret', 'job_templates', '--help']

        result = cli._is_main_help_request()
        assert result is False  # 'job_templates' is a real subcommand, not an option value

    def test_empty_args_handling(self):
        """Test _get_non_option_args handles minimal arguments"""
        cli = CLI()
        cli.argv = ['awx']

        result = cli._get_non_option_args()
        assert result == []

    def test_only_awx_and_options(self):
        """Test _get_non_option_args with only awx and options"""
        cli = CLI()
        cli.argv = ['awx', '--verbose', '--conf.host=example.com']

        result = cli._get_non_option_args()
        assert result == []

    def test_get_non_option_args_dash_value_with_equals(self):
        """Test _get_non_option_args handles dash values correctly with equals format"""
        cli = CLI()
        cli.argv = ['awx', 'jobs', 'create', '--description=-some-description-with-dashes', 'template']

        result = cli._get_non_option_args()
        # Using --opt=val format correctly handles values starting with dash
        assert result == ['jobs', 'create', 'template']