import os
import shutil

import pytest

from ansible_runner.interface import (
    get_ansible_config,
    get_inventory,
    get_plugin_docs,
    get_plugin_docs_async,
    get_plugin_list,
    get_role_argspec,
    get_role_list,
    run,
    run_async,
    run_command,
    run_command_async,
)


def test_run():
    r = run(module='debug', host_pattern='localhost')
    assert r.status == 'successful'


@pytest.mark.parametrize(
    'playbook', (
        [{'hosts': 'localhost', 'tasks': [{'ping': ''}]}],
        {'hosts': 'localhost', 'tasks': [{'ping': ''}]},
    )
)
def test_run_playbook_data(playbook, tmp_path):
    r = run(private_data_dir=str(tmp_path), playbook=playbook)
    assert r.status == 'successful'


def test_run_async(tmp_path):
    thread, r = run_async(private_data_dir=str(tmp_path), module='debug', host_pattern='localhost')
    thread.join()
    assert r.status == 'successful'


def test_repeat_run_with_new_inventory(project_fixtures):
    '''Repeat runs with different inventories should not fail'''
    private_data_dir = project_fixtures / 'debug'
    shutil.rmtree(private_data_dir / 'inventory')
    hosts_file = private_data_dir / 'inventory' / 'hosts'

    res = run(
        private_data_dir=private_data_dir,
        playbook='debug.yml',
        inventory='localhost',
    )
    with res.stdout as f:
        stdout = f.read()
    assert res.rc == 0, stdout
    assert hosts_file.read_text() == 'localhost', 'hosts file content is incorrect'

    # Run again with a different inventory
    res = run(
        private_data_dir=private_data_dir,
        playbook='debug.yml',
        inventory='127.0.0.1',
    )
    with res.stdout as f:
        stdout = f.read()
    assert res.rc == 0, stdout
    assert hosts_file.read_text() == '127.0.0.1', 'hosts file content is incorrect'


def get_env_data(res):
    for event in res.events:
        found = bool(
            event['event'] in ('runner_on_ok', 'runner_on_start', 'playbook_on_task_start') and event.get(
                'event_data', {}
            ).get('task_action', None) == 'look_at_environment'
        )
        if found and 'res' in event['event_data']:
            return event['event_data']['res']

    print('output:')
    with res.stdout as f:
        print(f.read())
    raise RuntimeError('Count not find look_at_environment task from playbook')


def test_env_accuracy(request, project_fixtures):
    printenv_example = project_fixtures / 'printenv'
    os.environ['SET_BEFORE_TEST'] = 'MADE_UP_VALUE'

    # Remove the envvars file if it exists
    try:
        os.remove(printenv_example / "env/envvars")
    except FileNotFoundError:
        pass

    def remove_test_env_var():
        if 'SET_BEFORE_TEST' in os.environ:
            del os.environ['SET_BEFORE_TEST']

    request.addfinalizer(remove_test_env_var)

    res = run(
        private_data_dir=printenv_example,
        playbook='get_environment.yml',
        inventory=None,
        envvars={'FROM_TEST': 'FOOBAR'},
    )
    with res.stdout as f:
        assert res.rc == 0, f.read()

    actual_env = get_env_data(res)['environment']

    assert actual_env == res.config.env

    # Assert that the env file was properly created
    assert os.path.exists(printenv_example / "env/envvars") == 1


def test_no_env_files(project_fixtures):
    printenv_example = project_fixtures / 'printenv'
    os.environ['SET_BEFORE_TEST'] = 'MADE_UP_VALUE'

    # Remove the envvars file if it exists
    try:
        os.remove(printenv_example / "env/envvars")
    except FileNotFoundError:
        pass

    res = run(
        private_data_dir=printenv_example,
        playbook='get_environment.yml',
        inventory=None,
        envvars={'FROM_TEST': 'FOOBAR'},
        suppress_env_files=True,
    )
    with res.stdout as f:
        assert res.rc == 0, f.read()
    # Assert that the env file was not created
    assert os.path.exists(printenv_example / "env/envvars") == 0


@pytest.mark.test_all_runtimes
def test_env_accuracy_inside_container(request, project_fixtures, runtime, container_image):
    printenv_example = project_fixtures / 'printenv'
    os.environ['SET_BEFORE_TEST'] = 'MADE_UP_VALUE'

    def remove_test_env_var():
        if 'SET_BEFORE_TEST' in os.environ:
            del os.environ['SET_BEFORE_TEST']

    request.addfinalizer(remove_test_env_var)

    res = run(
        private_data_dir=printenv_example,
        project_dir='/tmp',
        playbook='get_environment.yml',
        inventory=None,
        envvars={'FROM_TEST': 'FOOBAR'},
        settings={
            'process_isolation_executable': runtime,
            'process_isolation': True,
            'container_image': container_image,
        }
    )
    assert res.rc == 0, res.stdout.read()

    env_data = get_env_data(res)
    actual_env = env_data['environment']

    expected_env = res.config.env.copy()

    # NOTE: the reported environment for containerized jobs will not account for
    # all environment variables, particularly those set by the entrypoint script
    for key, value in expected_env.items():
        assert key in actual_env
        assert actual_env[key] == value, f'Reported value wrong for {key} env var'

    assert env_data['cwd'] == res.config.cwd


def test_multiple_inventories(project_fixtures):
    private_data_dir = project_fixtures / 'debug'

    res = run(
        private_data_dir=private_data_dir,
        playbook='debug.yml',
    )
    with res.stdout as f:
        stdout = f.read()
    assert res.rc == 0, stdout

    # providing no inventory should cause <private_data_dir>/inventory
    # to be used, reading both inventories in the directory
    assert 'host_1' in stdout
    assert 'host_2' in stdout


def test_inventory_absolute_path(project_fixtures):
    private_data_dir = project_fixtures / 'debug'

    res = run(
        private_data_dir=private_data_dir,
        playbook='debug.yml',
        inventory=[
            str(private_data_dir / 'inventory' / 'inv_1'),
        ],
    )
    with res.stdout as f:
        stdout = f.read()
    assert res.rc == 0, stdout

    # hosts can be down-selected to one inventory out of those available
    assert 'host_1' in stdout
    assert 'host_2' not in stdout


def test_run_command(project_fixtures):
    private_data_dir = project_fixtures / 'debug'
    inventory = private_data_dir / 'inventory' / 'inv_1'
    playbook = private_data_dir / 'project' / 'debug.yml'
    out, err, rc = run_command(
        private_data_dir=private_data_dir,
        executable_cmd='ansible-playbook',
        cmdline_args=[str(playbook), '-i', str(inventory)]
    )
    assert "Hello world!" in out
    assert rc == 0
    assert err == ''


def test_run_command_injection_error():
    _, err, rc = run_command(
        executable_cmd='whoami',
        cmdline_args=[';hostname'],
        runner_mode='subprocess',
    )
    assert rc == 1
    assert "usage: whoami" in err or "whoami: extra operand ‘;hostname’" in err


@pytest.mark.test_all_runtimes
def test_run_command_injection_error_within_container(runtime, container_image):
    _, err, rc = run_command(
        executable_cmd='whoami',
        cmdline_args=[';hostname'],
        runner_mode='subprocess',
        process_isolation_executable=runtime,
        process_isolation=True,
        container_image=container_image,
    )
    assert rc == 1
    assert "whoami: extra operand ';hostname'" in err


@pytest.mark.test_all_runtimes
def test_run_ansible_command_within_container(project_fixtures, runtime, container_image):
    private_data_dir = project_fixtures / 'debug'
    inventory = private_data_dir / 'inventory' / 'inv_1'
    playbook = private_data_dir / 'project' / 'debug.yml'
    container_kwargs = {
        'process_isolation_executable': runtime,
        'process_isolation': True,
        'container_image': container_image,
    }
    out, err, rc = run_command(
        private_data_dir=private_data_dir,
        executable_cmd='ansible-playbook',
        cmdline_args=[str(playbook), '-i', str(inventory)],
        **container_kwargs
    )
    assert "Hello world!" in out
    assert rc == 0
    assert err == ''


@pytest.mark.test_all_runtimes
def test_run_script_within_container(project_fixtures, runtime, container_image):
    private_data_dir = project_fixtures / 'debug'
    script_path = project_fixtures / 'files'
    container_volume_mounts = [f"{script_path}:{script_path}:Z"]
    container_kwargs = {
        'process_isolation_executable': runtime,
        'process_isolation': True,
        'container_image': container_image,
        'container_volume_mounts': container_volume_mounts
    }
    out, _, rc = run_command(
        private_data_dir=private_data_dir,
        executable_cmd='python3',
        cmdline_args=[str(script_path / 'test_ee.py')],
        **container_kwargs
    )

    assert "os-release" in out
    assert rc == 0


def test_run_command_async(project_fixtures):
    private_data_dir = project_fixtures / 'debug'
    inventory = private_data_dir / 'inventory' / 'inv_1'
    playbook = private_data_dir / 'project' / 'debug.yml'
    thread, r = run_command_async(
        private_data_dir=private_data_dir,
        executable_cmd='ansible-playbook',
        cmdline_args=[str(playbook), '-i', str(inventory)]
    )
    thread.join()
    with r.stdout as f:
        out = f.read()
    assert "Hello world!" in out
    assert r.status == 'successful'


def test_get_plugin_docs():
    out, _ = get_plugin_docs(
        plugin_names=['file', 'copy'],
        plugin_type='module',
        quiet=True
    )
    assert 'copy' in out
    assert 'file' in out


def test_get_plugin_docs_async():
    thread, r = get_plugin_docs_async(
        plugin_names=['file', 'copy'],
        plugin_type='module',
        quiet=True
    )
    thread.join()
    with r.stdout as f:
        out = f.read()
    assert 'copy' in out
    assert 'file' in out
    assert r.status == 'successful'


@pytest.mark.test_all_runtimes
def test_get_plugin_docs_within_container(runtime, container_image):
    container_kwargs = {
        'process_isolation_executable': runtime,
        'process_isolation': True,
        'container_image': container_image,
    }
    out, _ = get_plugin_docs(
        plugin_names=['file', 'copy'],
        plugin_type='module',
        quiet=True,
        **container_kwargs
    )
    assert 'copy' in out
    assert 'file' in out


def test_get_plugin_docs_list():
    out, _ = get_plugin_list(
        list_files=True,
        quiet=True
    )
    assert 'copy' in out
    assert 'file' in out


@pytest.mark.test_all_runtimes
def test_get_plugin_docs_list_within_container(runtime, container_image):
    container_kwargs = {
        'process_isolation_executable': runtime,
        'process_isolation': True,
        'container_image': container_image,
    }
    out, _ = get_plugin_list(
        list_files=True,
        quiet=True,
        **container_kwargs
    )
    assert 'copy' in out
    assert 'file' in out


def test_ansible_config():
    out, _ = get_ansible_config(
        action='list',
        quiet=True
    )
    assert 'DEFAULT_VERBOSITY' in out


def test_get_inventory(project_fixtures):
    private_data_dir = project_fixtures / 'debug'
    inventory1 = private_data_dir / 'inventory' / 'inv_1'
    inventory2 = private_data_dir / 'inventory' / 'inv_2'

    out, _ = get_inventory(
        action='list',
        inventories=[str(inventory1), str(inventory2)],
        response_format='json',
        quiet=True
    )
    assert 'host_1' in out['ungrouped']['hosts']
    assert 'host_2' in out['ungrouped']['hosts']


@pytest.mark.test_all_runtimes
def test_get_inventory_within_container(project_fixtures, runtime, container_image):
    container_kwargs = {
        'process_isolation_executable': runtime,
        'process_isolation': True,
        'container_image': container_image,
    }
    private_data_dir = project_fixtures / 'debug'
    inventory1 = private_data_dir / 'inventory' / 'inv_1'
    inventory2 = private_data_dir / 'inventory' / 'inv_2'

    out, _ = get_inventory(
        action='list',
        inventories=[str(inventory1), str(inventory2)],
        response_format='json',
        quiet=True,
        **container_kwargs
    )
    assert 'host_1' in out['ungrouped']['hosts']
    assert 'host_2' in out['ungrouped']['hosts']


def test_run_role(project_fixtures):
    ''' Test that we can run a role via the API. '''
    private_data_dir = project_fixtures / 'debug'

    res = run(
        private_data_dir=private_data_dir,
        role='hello_world',
    )
    with res.stdout as f:
        stdout = f.read()
    assert res.rc == 0, stdout
    assert 'Hello World!' in stdout


# pylint: disable=W0613
def test_get_role_list(project_fixtures):
    """
    Test get_role_list() running locally, specifying a playbook directory
    containing our test role.
    """
    pdir = str(project_fixtures / 'music' / 'project')
    expected = {
        "main": "The main entry point for the Into_The_Mystic role."
    }

    resp, _ = get_role_list(playbook_dir=pdir)
    assert isinstance(resp, dict)

    # So that tests can work locally, where multiple roles might be returned,
    # we check for this single role.
    assert 'Into_The_Mystic' in resp
    assert 'entry_points' in resp['Into_The_Mystic']
    assert resp['Into_The_Mystic']['entry_points'] == expected


@pytest.mark.test_all_runtimes
def test_get_role_list_within_container(project_fixtures, runtime, container_image):
    """
    Test get_role_list() running in a container.
    """
    pdir = str(project_fixtures / 'music')
    container_kwargs = {
        'process_isolation_executable': runtime,
        'process_isolation': True,
        'container_image': container_image,
    }
    resp, _ = get_role_list(private_data_dir=pdir, playbook_dir="/runner/project", **container_kwargs)
    assert isinstance(resp, dict)
    assert 'Into_The_Mystic' in resp
    assert 'entry_points' in resp['Into_The_Mystic']
    assert 'main' in resp['Into_The_Mystic']['entry_points']


def test_get_role_argspec(project_fixtures):
    """
    Test get_role_argspec() running locally, specifying a playbook directory
    containing our test role.
    """
    use_role_example = str(project_fixtures / 'music' / 'project')
    expected_epoint = {
        "main": {
            "options": {
                "foghorn": {
                    "default": True,
                    "description": "If true, the foghorn blows.",
                    "required": False,
                    "type": "bool"
                },
                "soul": {
                    "choices": [
                        "gypsy",
                        "normal"
                    ],
                    "description": "Type of soul to rock",
                    "required": True,
                    "type": "str"
                }
            },
            "short_description": "The main entry point for the Into_The_Mystic role."
        }
    }

    resp, _ = get_role_argspec('Into_The_Mystic', playbook_dir=use_role_example)
    assert isinstance(resp, dict)
    assert 'Into_The_Mystic' in resp
    assert resp['Into_The_Mystic']['entry_points'] == expected_epoint


@pytest.mark.test_all_runtimes
def test_get_role_argspec_within_container(project_fixtures, runtime, container_image):
    """
    Test get_role_argspec() running inside a container. Since the test container
    does not currently contain any collections or roles, specify playbook_dir
    pointing to the project dir of private_data_dir so that we will find a role.
    """
    pdir = str(project_fixtures / 'music')
    expected_epoint = {
        "main": {
            "options": {
                "foghorn": {
                    "default": True,
                    "description": "If true, the foghorn blows.",
                    "required": False,
                    "type": "bool"
                },
                "soul": {
                    "choices": [
                        "gypsy",
                        "normal"
                    ],
                    "description": "Type of soul to rock",
                    "required": True,
                    "type": "str"
                }
            },
            "short_description": "The main entry point for the Into_The_Mystic role."
        }
    }

    container_kwargs = {
        'process_isolation_executable': runtime,
        'process_isolation': True,
        'container_image': container_image,
    }
    resp, _ = get_role_argspec('Into_The_Mystic', private_data_dir=pdir, playbook_dir="/runner/project", **container_kwargs)
    assert isinstance(resp, dict)
    assert 'Into_The_Mystic' in resp
    assert resp['Into_The_Mystic']['entry_points'] == expected_epoint


class TestRelativePvtDataDirPaths:
    """
    Class to handle test setup/teardown of tests that need to change working
    directory to test relative paths.
    """

    def setup_method(self):
        self._old_workdir = os.getcwd()  # pylint: disable=W0201

    def teardown_method(self):
        os.chdir(self._old_workdir)

    def test_inventory_as_string(self, project_fixtures):
        """
        Test of bug fix for GH issue #1216: https://github.com/ansible/ansible-runner/issues/1216

        A relative private data directory combined with an inventory specified as a string
        would produce an invalid inventory path being passed along to ansible.
        """
        os.chdir(str(project_fixtures))

        inventory = 'hostA ansible_connection=local ansible_python_interpreter="{{ ansible_playbook_python }}"'

        r = run(private_data_dir='debug',
                inventory=inventory,
                playbook='debug.yml')

        with r.stdout as output:
            text = output.read()

        assert r.status == 'successful'
        assert "No inventory was parsed" not in text

    def test_default_inventory(self, project_fixtures):
        """
        Test relative pvt data dir with the default inventory.
        """
        os.chdir(str(project_fixtures))

        r = run(private_data_dir='debug', playbook='debug.yml')

        with r.stdout as output:
            text = output.read()

        assert r.status == 'successful'
        assert "No inventory was parsed" not in text
