# (c) 2016 Red Hat Inc.
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.

# Make coding more python3-ish
from __future__ import absolute_import, division, print_function


__metaclass__ = type

import json

from unittest.mock import patch

from ansible_collections.arista.eos.plugins.modules import eos_command
from ansible_collections.arista.eos.tests.unit.modules.utils import set_module_args

from .eos_module import TestEosModule, load_fixture


class TestEosCommandModule(TestEosModule):
    module = eos_command

    def setUp(self):
        super(TestEosCommandModule, self).setUp()
        self.mock_run_commands = patch(
            "ansible_collections.arista.eos.plugins.modules.eos_command.run_commands",
        )
        self.run_commands = self.mock_run_commands.start()

    def tearDown(self):
        super(TestEosCommandModule, self).tearDown()
        self.mock_run_commands.stop()

    def load_fixtures(self, commands=None, transport="cli"):
        def load_from_file(*args, **kwargs):
            module, commands = args
            output = list()

            for item in commands:
                try:
                    obj = json.loads(item["command"])
                    command = obj["command"]
                except ValueError:
                    command = item["command"]
                filename = str(command).replace(" ", "_")
                filename = "eos_command_%s.txt" % filename
                output.append(load_fixture(filename))
            return output

        self.run_commands.side_effect = load_from_file

    def test_eos_command_simple(self):
        set_module_args(dict(commands=["show version"]))
        result = self.execute_module()
        self.assertEqual(len(result["stdout"]), 1)
        self.assertTrue(result["stdout"][0].startswith("Arista"))

    def test_eos_command_multiple(self):
        set_module_args(dict(commands=["show version", "show version"]))
        result = self.execute_module()
        self.assertEqual(len(result["stdout"]), 2)
        self.assertTrue(result["stdout"][0].startswith("Arista"))

    def test_eos_command_wait_for(self):
        wait_for = 'result[0] contains "Arista vEOS"'
        set_module_args(dict(commands=["show version"], wait_for=wait_for))
        self.execute_module()

    def test_eos_command_wait_for_fails(self):
        wait_for = 'result[0] contains "test string"'
        set_module_args(dict(commands=["show version"], wait_for=wait_for))
        self.execute_module(failed=True)
        self.assertEqual(self.run_commands.call_count, 10)

    def test_eos_command_retries(self):
        wait_for = 'result[0] contains "test string"'
        set_module_args(
            dict(commands=["show version"], wait_for=wait_for, retries=2),
        )
        self.execute_module(failed=True)
        self.assertEqual(self.run_commands.call_count, 2)

    def test_eos_command_match_any(self):
        wait_for = [
            'result[0] contains "Arista"',
            'result[0] contains "test string"',
        ]
        set_module_args(
            dict(commands=["show version"], wait_for=wait_for, match="any"),
        )
        self.execute_module()

    def test_eos_command_match_all(self):
        wait_for = [
            'result[0] contains "Arista"',
            'result[0] contains "Software image"',
        ]
        set_module_args(
            dict(commands=["show version"], wait_for=wait_for, match="all"),
        )
        self.execute_module()

    def test_eos_command_match_all_failure(self):
        wait_for = [
            'result[0] contains "Arista"',
            'result[0] contains "test string"',
        ]
        commands = ["show version", "show version"]
        set_module_args(
            dict(commands=commands, wait_for=wait_for, match="all"),
        )
        self.execute_module(failed=True)

    def test_eos_command_check_version_support(self):
        wait_for = ['result[0] contains "version"']
        commands = [{"command": "show version", "version": "1"}]
        set_module_args(
            dict(commands=commands, wait_for=wait_for, match="all"),
        )
        self.execute_module()

    def test_eos_command_check_version_support_failure(self):
        wait_for = ['result[0] contains "version"']
        commands = [{"command": "show version", "version": "-1"}]
        set_module_args(
            dict(commands=commands, wait_for=wait_for, match="all"),
        )
        self.execute_module(failed=True)
