# Copyright (c) Ansible project
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later

from __future__ import annotations

import unittest
from unittest import mock

import pytest

from ansible_collections.community.general.plugins.modules import monit
from ansible_collections.community.internal_test_tools.tests.unit.plugins.modules.utils import (
    AnsibleExitJson,
    AnsibleFailJson,
)


TEST_OUTPUT = """
%s '%s'
  status                       %s
  monitoring status            Not monitored
  monitoring mode              active
"""


class MonitTest(unittest.TestCase):
    def setUp(self):
        self.module = mock.MagicMock()
        self.module.exit_json.side_effect = AnsibleExitJson
        self.module.fail_json.side_effect = AnsibleFailJson
        self.monit = monit.Monit(self.module, "monit", "processX", 1)
        self.monit._status_change_retry_count = 1
        mock_sleep = mock.patch("time.sleep")
        mock_sleep.start()
        self.addCleanup(mock_sleep.stop)

    def patch_status(self, side_effect):
        if not isinstance(side_effect, list):
            side_effect = [side_effect]
        return mock.patch.object(self.monit, "get_status", side_effect=side_effect)

    def test_change_state_success(self):
        with self.patch_status([monit.Status.OK, monit.Status.NOT_MONITORED]):
            with self.assertRaises(AnsibleExitJson):
                self.monit.stop()
        self.module.fail_json.assert_not_called()
        self.module.run_command.assert_called_with(["monit", "stop", "processX"], check_rc=True)

    def test_change_state_fail(self):
        with self.patch_status([monit.Status.OK] * 3):
            with self.assertRaises(AnsibleFailJson):
                self.monit.stop()

    def test_reload_fail(self):
        self.module.run_command.return_value = (1, "stdout", "stderr")
        with self.assertRaises(AnsibleFailJson):
            self.monit.reload()

    def test_reload(self):
        self.module.run_command.return_value = (0, "", "")
        with self.patch_status(monit.Status.OK):
            with self.assertRaises(AnsibleExitJson):
                self.monit.reload()

    def test_wait_for_status_to_stop_pending(self):
        status = [
            monit.Status.MISSING,
            monit.Status.DOES_NOT_EXIST,
            monit.Status.INITIALIZING,
            monit.Status.OK.pending(),
            monit.Status.OK,
        ]
        with self.patch_status(status) as get_status:
            self.monit.wait_for_monit_to_stop_pending()
            self.assertEqual(get_status.call_count, len(status))

    def test_wait_for_status_change(self):
        with self.patch_status([monit.Status.NOT_MONITORED, monit.Status.OK]) as get_status:
            self.monit.wait_for_status_change(monit.Status.NOT_MONITORED)
        self.assertEqual(get_status.call_count, 2)

    def test_wait_for_status_change_fail(self):
        with self.patch_status([monit.Status.OK] * 3):
            with self.assertRaises(AnsibleFailJson):
                self.monit.wait_for_status_change(monit.Status.OK)

    def test_monitor(self):
        with self.patch_status([monit.Status.NOT_MONITORED, monit.Status.OK.pending(), monit.Status.OK]):
            with self.assertRaises(AnsibleExitJson):
                self.monit.monitor()

    def test_monitor_fail(self):
        with self.patch_status([monit.Status.NOT_MONITORED] * 3):
            with self.assertRaises(AnsibleFailJson):
                self.monit.monitor()

    def test_timeout(self):
        self.monit.timeout = 0
        with self.patch_status(monit.Status.NOT_MONITORED.pending()):
            with self.assertRaises(AnsibleFailJson):
                self.monit.wait_for_monit_to_stop_pending()


@pytest.mark.parametrize("status_name", monit.StatusValue.ALL_STATUS)
def test_status_value(status_name):
    value = getattr(monit.StatusValue, status_name.upper())
    status = monit.StatusValue(value)
    assert getattr(status, f"is_{status_name}")
    assert not all(getattr(status, f"is_{name}") for name in monit.StatusValue.ALL_STATUS if name != status_name)


BASIC_OUTPUT_CASES = [
    (TEST_OUTPUT % ("Process", "processX", name), getattr(monit.Status, name.upper()))
    for name in monit.StatusValue.ALL_STATUS
]


@pytest.mark.parametrize(
    "output, expected",
    BASIC_OUTPUT_CASES
    + [
        ("", monit.Status.MISSING),
        (TEST_OUTPUT % ("Process", "processY", "OK"), monit.Status.MISSING),
        (TEST_OUTPUT % ("Process", "processX", "Not Monitored - start pending"), monit.Status.OK),
        (TEST_OUTPUT % ("Process", "processX", "Monitored - stop pending"), monit.Status.NOT_MONITORED),
        (TEST_OUTPUT % ("Process", "processX", "Monitored - restart pending"), monit.Status.OK),
        (TEST_OUTPUT % ("Process", "processX", "Not Monitored - monitor pending"), monit.Status.OK),
        (TEST_OUTPUT % ("Process", "processX", "Does not exist"), monit.Status.DOES_NOT_EXIST),
        (TEST_OUTPUT % ("Process", "processX", "Not monitored"), monit.Status.NOT_MONITORED),
        (TEST_OUTPUT % ("Process", "processX", "Running"), monit.Status.OK),
        (TEST_OUTPUT % ("Process", "processX", "Execution failed | Does not exist"), monit.Status.EXECUTION_FAILED),
        (TEST_OUTPUT % ("Process", "processX", "Some Unknown Status"), monit.Status.EXECUTION_FAILED),
    ],
)
def test_parse_status(output, expected):
    module = mock.MagicMock()
    status = monit.Monit(module, "", "processX", 0)._parse_status(output, "")
    assert status == expected


@pytest.mark.parametrize(
    "output, expected",
    BASIC_OUTPUT_CASES
    + [
        (TEST_OUTPUT % ("Process", "processX", "OK"), monit.Status.OK),
        (TEST_OUTPUT % ("File", "processX", "OK"), monit.Status.OK),
        (TEST_OUTPUT % ("Fifo", "processX", "OK"), monit.Status.OK),
        (TEST_OUTPUT % ("Filesystem", "processX", "OK"), monit.Status.OK),
        (TEST_OUTPUT % ("Directory", "processX", "OK"), monit.Status.OK),
        (TEST_OUTPUT % ("Remote host", "processX", "OK"), monit.Status.OK),
        (TEST_OUTPUT % ("System", "processX", "OK"), monit.Status.OK),
        (TEST_OUTPUT % ("Program", "processX", "OK"), monit.Status.OK),
        (TEST_OUTPUT % ("Network", "processX", "OK"), monit.Status.OK),
        (TEST_OUTPUT % ("Unsupported", "processX", "OK"), monit.Status.MISSING),
    ],
)
def test_parse_status_supports_all_services(output, expected):
    status = monit.Monit(None, "", "processX", 0)._parse_status(output, "")
    assert status == expected


@pytest.mark.parametrize(
    "output, expected",
    [
        ("This is monit version 5.18.1", "5.18.1"),
        ("This is monit version 12.18", "12.18"),
        ("This is monit version 5.1.12", "5.1.12"),
    ],
)
def test_parse_version(output, expected):
    module = mock.MagicMock()
    module.run_command.return_value = (0, output, "")
    raw_version, version_tuple = monit.Monit(module, "", "processX", 0)._get_monit_version()
    assert raw_version == expected