# (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
import os

from ansible_collections.arista.eos.tests.unit.modules.utils import (
    AnsibleExitJson,
    AnsibleFailJson,
    ModuleTestCase,
)


fixture_path = os.path.join(os.path.dirname(__file__), "fixtures")
fixture_data = {}


def load_fixture(name):
    path = os.path.join(fixture_path, name)

    if path in fixture_data:
        return fixture_data[path]

    with open(path) as f:
        data = f.read()
    try:
        data = json.loads(data)
    except Exception:
        pass

    fixture_data[path] = data
    return data


class TestEosModule(ModuleTestCase):
    def execute_module(
        self,
        failed=False,
        changed=False,
        commands=None,
        inputs=None,
        sort=True,
        defaults=False,
        transport="cli",
        filename=None,
    ):
        if filename is None:
            self.load_fixtures(commands, transport=transport)
        else:
            self.load_fixtures(
                commands,
                transport=transport,
                filename=filename,
            )

        if failed:
            result = self.failed()
            self.assertTrue(result["failed"], result)
        else:
            result = self.changed(changed)
            self.assertEqual(result["changed"], changed, result)
        if commands is not None:
            if transport == "eapi":
                cmd = []
                value = []
                for item in result["commands"]:
                    cmd.append(item["cmd"])
                    if "input" in item:
                        value.append(item["input"])
                if sort:
                    self.assertEqual(sorted(commands), sorted(cmd), cmd)
                else:
                    self.assertEqual(commands, cmd, cmd)
                if inputs:
                    self.assertEqual(inputs, value, value)
            else:
                if sort:
                    self.assertEqual(
                        sorted(commands),
                        sorted(result["commands"]),
                        result["commands"],
                    )
                else:
                    self.assertEqual(
                        commands,
                        result["commands"],
                        result["commands"],
                    )

        return result

    def failed(self):
        with self.assertRaises(AnsibleFailJson) as exc:
            self.module.main()

        result = exc.exception.args[0]
        self.assertTrue(result["failed"], result)
        return result

    def changed(self, changed=False):
        with self.assertRaises(AnsibleExitJson) as exc:
            self.module.main()

        result = exc.exception.args[0]
        self.assertEqual(result["changed"], changed, result)
        return result

    def load_fixtures(self, commands=None, transport="cli", filename=None):
        pass
