#
# Copyright (c) 2021-2023 NVIDIA CORPORATION & AFFILIATES.
# Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

import glob
import os
import pytest
import sys
if sys.version_info.major == 3:
    from unittest import mock
else:
    import mock

test_path = os.path.dirname(os.path.abspath(__file__))
modules_path = os.path.dirname(test_path)
sys.path.insert(0, modules_path)

import sonic_platform.chassis
from sonic_platform.chassis import Chassis
from sonic_platform.device_data import DeviceDataManager

sonic_platform.chassis.extract_RJ45_ports_index = mock.MagicMock(return_value=[])

class TestThermal:
    @mock.patch('os.path.exists', mock.MagicMock(return_value=True))
    @mock.patch('sonic_platform.device_data.DeviceDataManager.get_gearbox_count', mock.MagicMock(return_value=2))
    @mock.patch('sonic_platform.device_data.DeviceDataManager.get_cpu_thermal_count', mock.MagicMock(return_value=2))
    @mock.patch('sonic_platform.device_data.DeviceDataManager.get_sodimm_thermal_count', mock.MagicMock(return_value=2))
    @mock.patch('sonic_platform.device_data.DeviceDataManager.get_platform_name', mock.MagicMock(return_value='x86_64-mlnx_msn2700-r0'))
    def test_chassis_thermal(self):
        from sonic_platform.thermal import THERMAL_NAMING_RULE
        chassis = Chassis()
        thermal_list = chassis.get_all_thermals()
        assert thermal_list
        thermal_dict = {thermal.get_name(): thermal for thermal in thermal_list}
        gearbox_thermal_rule = None
        cpu_thermal_rule = None
        sodimm_thermal_rule = None
        for rule in THERMAL_NAMING_RULE['chassis thermals']:
            thermal_type = rule.get('type', 'single')
            if thermal_type == 'single':
                thermal_name = rule['name']
                if rule['temperature'] == 'comex_amb':
                    assert thermal_name not in thermal_dict
                    continue
                default_present = rule.get('default_present', True)
                if not default_present:
                    assert thermal_name not in thermal_dict
                    continue
                assert thermal_name in thermal_dict
                thermal = thermal_dict[thermal_name]
                assert rule['temperature'] in thermal.temperature
                assert rule['high_threshold'] in thermal.high_threshold if 'high_threshold' in rule else thermal.high_threshold is None
                assert rule['high_critical_threshold'] in thermal.high_critical_threshold if 'high_critical_threshold' in rule else thermal.high_critical_threshold is None
            else:
                if 'Gearbox' in rule['name']:
                    gearbox_thermal_rule = rule
                elif 'CPU Core' in rule['name']:
                    cpu_thermal_rule = rule
                elif 'SODIMM' in rule['name']:
                    sodimm_thermal_rule = rule

        gearbox_thermal_count = 0
        cpu_thermal_count = 0
        sodimm_thermal_count = 0
        for thermal in thermal_list:
            if 'Gearbox' in thermal.get_name():
                start_index = gearbox_thermal_rule.get('start_index', 1)
                start_index += gearbox_thermal_count
                assert thermal.get_name() == gearbox_thermal_rule['name'].format(start_index)
                assert gearbox_thermal_rule['temperature'].format(start_index) in thermal.temperature
                assert gearbox_thermal_rule['high_threshold'].format(start_index) in thermal.high_threshold
                assert gearbox_thermal_rule['high_critical_threshold'].format(start_index) in thermal.high_critical_threshold
                gearbox_thermal_count += 1
            elif 'CPU Core' in thermal.get_name():
                start_index = cpu_thermal_rule.get('start_index', 1)
                start_index += cpu_thermal_count
                assert thermal.get_name() == cpu_thermal_rule['name'].format(start_index)
                assert cpu_thermal_rule['temperature'].format(start_index) in thermal.temperature
                assert cpu_thermal_rule['high_threshold'].format(start_index) in thermal.high_threshold
                assert cpu_thermal_rule['high_critical_threshold'].format(start_index) in thermal.high_critical_threshold
                cpu_thermal_count += 1
            elif 'SODIMM' in thermal.get_name():
                start_index = sodimm_thermal_rule.get('start_index', 1)
                start_index += sodimm_thermal_count
                assert thermal.get_name() == sodimm_thermal_rule['name'].format(start_index)
                assert sodimm_thermal_rule['temperature'].format(start_index) in thermal.temperature
                assert sodimm_thermal_rule['high_threshold'].format(start_index) in thermal.high_threshold
                assert sodimm_thermal_rule['high_critical_threshold'].format(start_index) in thermal.high_critical_threshold
                sodimm_thermal_count += 1

        assert gearbox_thermal_count == 2
        assert cpu_thermal_count == 2
        assert sodimm_thermal_count == 2

    @mock.patch('sonic_platform.device_data.DeviceDataManager.get_platform_name', mock.MagicMock(return_value='x86_64-nvidia_sn2201-r0'))
    @mock.patch('sonic_platform.device_data.DeviceDataManager.get_thermal_capability')
    def test_chassis_thermal_includes(self, mock_capability):
        from sonic_platform.thermal import THERMAL_NAMING_RULE
        thermal_capability = {'comex_amb': False, 'cpu_amb': True, 'swb_amb': True}
        mock_capability.return_value = thermal_capability
        chassis = Chassis()
        thermal_list = chassis.get_all_thermals()
        assert thermal_list
        thermal_dict = {thermal.get_name(): thermal for thermal in thermal_list}
        for rule in THERMAL_NAMING_RULE['chassis thermals']:
            default_present = rule.get('default_present', True)
            if not default_present and thermal_capability.get(rule['temperature']):
                thermal_name = rule['name']
                assert thermal_name in thermal_dict

    @mock.patch('os.path.exists', mock.MagicMock(return_value=True))
    def test_psu_thermal(self):
        from sonic_platform.thermal import initialize_psu_thermal, THERMAL_NAMING_RULE
        presence_cb = mock.MagicMock(return_value=(True, ''))
        thermal_list = initialize_psu_thermal(0, presence_cb)
        assert len(thermal_list) == 1
        thermal = thermal_list[0]
        rule = THERMAL_NAMING_RULE['psu thermals']
        start_index = rule.get('start_index', 1)
        assert thermal.get_name() == rule['name'].format(start_index)
        assert rule['temperature'].format(start_index) in thermal.temperature
        assert rule['high_threshold'].format(start_index) in thermal.high_threshold
        assert thermal.high_critical_threshold is None
        assert thermal.get_position_in_parent() == 1
        assert thermal.is_replaceable() == False

        presence_cb = mock.MagicMock(return_value=(False, 'Not present'))
        thermal_list = initialize_psu_thermal(0, presence_cb)
        assert len(thermal_list) == 1
        thermal = thermal_list[0]
        assert thermal.get_temperature() is None
        assert thermal.get_high_threshold() is None
        assert thermal.get_high_critical_threshold() is None

    @mock.patch('os.path.exists', mock.MagicMock(return_value=True))
    def test_sfp_thermal(self):
        from sonic_platform.thermal import initialize_sfp_thermal, THERMAL_NAMING_RULE
        thermal_list = initialize_sfp_thermal(0)
        assert len(thermal_list) == 1
        thermal = thermal_list[0]
        rule = THERMAL_NAMING_RULE['sfp thermals']
        start_index = rule.get('start_index', 1)
        assert thermal.get_name() == rule['name'].format(start_index)
        assert rule['temperature'].format(start_index) in thermal.temperature
        assert rule['high_threshold'].format(start_index) in thermal.high_threshold
        assert rule['high_critical_threshold'].format(start_index) in thermal.high_critical_threshold
        assert thermal.get_position_in_parent() == 1
        assert thermal.is_replaceable() == False

    @mock.patch('sonic_platform.utils.read_float_from_file')
    def test_get_temperature(self, mock_read):
        from sonic_platform.thermal import Thermal
        thermal = Thermal('test', 'temp_file', None, None, 1)
        mock_read.return_value = 35727
        assert thermal.get_temperature() == 35.727

        mock_read.return_value = 0.0
        assert thermal.get_temperature() is None

        mock_read.return_value = None
        assert thermal.get_temperature() is None

    @mock.patch('sonic_platform.utils.read_float_from_file')
    def test_get_high_threshold(self, mock_read):
        from sonic_platform.thermal import Thermal
        thermal = Thermal('test', None, None, None, 1)
        assert thermal.get_high_threshold() is None

        thermal.high_threshold = 'high_th_file'
        mock_read.return_value = 25833
        assert thermal.get_temperature() == 25.833

        mock_read.return_value = 0.0
        assert thermal.get_temperature() is None

        mock_read.return_value = None
        assert thermal.get_temperature() is None

    @mock.patch('sonic_platform.utils.read_float_from_file')
    def test_get_high_critical_threshold(self, mock_read):
        from sonic_platform.thermal import Thermal
        thermal = Thermal('test', None, None, None, 1)
        assert thermal.get_high_critical_threshold() is None

        thermal.high_critical_threshold = 'high_th_file'
        mock_read.return_value = 120839
        assert thermal.get_high_critical_threshold() == 120.839

        mock_read.return_value = 0.0
        assert thermal.get_high_critical_threshold() is None

        mock_read.return_value = None
        assert thermal.get_high_critical_threshold() is None