/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

package org.apache.dolphinscheduler.plugin.datasource.api.utils;

import static org.apache.dolphinscheduler.plugin.datasource.api.constants.DataSourceConstants.DATASOURCE_ENCRYPTION_ENABLE;

import org.apache.dolphinscheduler.common.constants.Constants;
import org.apache.dolphinscheduler.common.utils.PropertyUtils;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.security.UserGroupInformation;

import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.MockedStatic;
import org.mockito.Mockito;
import org.mockito.junit.jupiter.MockitoExtension;
import org.mockito.stubbing.Answer;

@ExtendWith(MockitoExtension.class)
public class CommonUtilsTest {

    @Test
    public void testGetKerberosStartupState() {
        try (
                MockedStatic<CommonUtils> mockedCommonUtils = Mockito.mockStatic(CommonUtils.class);
                MockedStatic<PropertyUtils> mockedPropertyUtils = Mockito.mockStatic(PropertyUtils.class)) {
            mockedCommonUtils.when(CommonUtils::getKerberosStartupState)
                    .thenAnswer((Answer<Boolean>) invocation -> false);
            boolean kerberosStartupState = CommonUtils.getKerberosStartupState();
            Assertions.assertFalse(kerberosStartupState);

            mockedPropertyUtils.when(() -> PropertyUtils.getUpperCaseString(Constants.RESOURCE_STORAGE_TYPE))
                    .thenAnswer((Answer<String>) invocation -> "HDFS");
            mockedPropertyUtils
                    .when(() -> PropertyUtils.getBoolean(Constants.HADOOP_SECURITY_AUTHENTICATION_STARTUP_STATE, true))
                    .thenAnswer((Answer<Boolean>) invocation -> Boolean.TRUE);
            kerberosStartupState = CommonUtils.getKerberosStartupState();
            Assertions.assertFalse(kerberosStartupState);
        }
    }

    @Test
    public void testLoadKerberosConf() {
        try (
                MockedStatic<PropertyUtils> mockedPropertyUtils = Mockito.mockStatic(PropertyUtils.class);
                MockedStatic<UserGroupInformation> mockedUserGroupInformation =
                        Mockito.mockStatic(UserGroupInformation.class)) {
            try {
                mockedPropertyUtils.when(() -> PropertyUtils.getUpperCaseString(Constants.RESOURCE_STORAGE_TYPE))
                        .thenAnswer((Answer<String>) invocation -> "HDFS");
                mockedPropertyUtils.when(
                        () -> PropertyUtils.getBoolean(Constants.HADOOP_SECURITY_AUTHENTICATION_STARTUP_STATE, false))
                        .thenAnswer((Answer<Boolean>) invocation -> Boolean.TRUE);
                mockedPropertyUtils.when(() -> PropertyUtils.getString(Constants.JAVA_SECURITY_KRB5_CONF_PATH))
                        .thenAnswer((Answer<String>) invocation -> "/opt/krb5.conf");
                mockedPropertyUtils.when(() -> PropertyUtils.getString(Constants.LOGIN_USER_KEY_TAB_USERNAME))
                        .thenAnswer((Answer<String>) invocation -> "hdfs-mycluster@ESZ.COM");
                mockedPropertyUtils.when(() -> PropertyUtils.getString(Constants.LOGIN_USER_KEY_TAB_PATH))
                        .thenAnswer((Answer<String>) invocation -> "/opt/hdfs.headless.keytab");
                Configuration configuration = Mockito.mock(Configuration.class);
                boolean result = CommonUtils.loadKerberosConf(configuration);
                Assertions.assertTrue(result);

                CommonUtils.loadKerberosConf(null, null, null);

            } catch (Exception e) {
                Assertions.fail("load Kerberos Conf failed" + e.getMessage());
            }
        }
    }

    @Test
    public void encodePassword() {
        try (MockedStatic<PropertyUtils> mockedPropertyUtils = Mockito.mockStatic(PropertyUtils.class)) {
            Mockito.when(PropertyUtils.getBoolean(DATASOURCE_ENCRYPTION_ENABLE, false))
                    .thenReturn(Boolean.TRUE);

            Assertions.assertEquals("", PasswordUtils.encodePassword(""));
            Assertions.assertEquals("bnVsbE1USXpORFUy", PasswordUtils.encodePassword("123456"));
            Assertions.assertEquals("bnVsbElWRkJXbGhUVjBBPQ==", PasswordUtils.encodePassword("!QAZXSW@"));
            Assertions.assertEquals("bnVsbE5XUm1aMlZ5S0VBPQ==", PasswordUtils.encodePassword("5dfger(@"));

            mockedPropertyUtils.when(() -> PropertyUtils.getBoolean(DATASOURCE_ENCRYPTION_ENABLE, false))
                    .thenReturn(Boolean.FALSE);

            Assertions.assertEquals("", PasswordUtils.encodePassword(""));
            Assertions.assertEquals("123456", PasswordUtils.encodePassword("123456"));
            Assertions.assertEquals("!QAZXSW@", PasswordUtils.encodePassword("!QAZXSW@"));
            Assertions.assertEquals("5dfger(@", PasswordUtils.encodePassword("5dfger(@"));
        }
    }

    @Test
    public void decodePassword() {
        try (
                MockedStatic<CommonUtils> mockedCommonUtils = Mockito.mockStatic(CommonUtils.class);
                MockedStatic<PasswordUtils> mockedPasswordUtils = Mockito.mockStatic(PasswordUtils.class)) {
            Mockito.when(PropertyUtils.getBoolean(DATASOURCE_ENCRYPTION_ENABLE, false))
                    .thenAnswer((Answer<Boolean>) invocation -> Boolean.TRUE);

            mockedPasswordUtils.when(() -> PasswordUtils.decodePassword("bnVsbE1USXpORFUy")).thenReturn("123456");
            mockedPasswordUtils.when(() -> PasswordUtils.decodePassword("bnVsbElWRkJXbGhUVjBBPQ=="))
                    .thenReturn("!QAZXSW@");
            mockedPasswordUtils.when(() -> PasswordUtils.decodePassword("bnVsbE5XUm1aMlZ5S0VBPQ=="))
                    .thenReturn("5dfger(@");

            Assertions.assertEquals(null, PasswordUtils.decodePassword(""));
            Assertions.assertEquals("123456", PasswordUtils.decodePassword("bnVsbE1USXpORFUy"));
            Assertions.assertEquals("!QAZXSW@", PasswordUtils.decodePassword("bnVsbElWRkJXbGhUVjBBPQ=="));
            Assertions.assertEquals("5dfger(@", PasswordUtils.decodePassword("bnVsbE5XUm1aMlZ5S0VBPQ=="));

            Mockito.when(PropertyUtils.getBoolean(DATASOURCE_ENCRYPTION_ENABLE, false))
                    .thenAnswer((Answer<Boolean>) invocation -> Boolean.FALSE);

            mockedPasswordUtils.when(() -> PasswordUtils.decodePassword("123456")).thenReturn("123456");
            mockedPasswordUtils.when(() -> PasswordUtils.decodePassword("!QAZXSW@")).thenReturn("!QAZXSW@");
            mockedPasswordUtils.when(() -> PasswordUtils.decodePassword("5dfger(@")).thenReturn("5dfger(@");

            Assertions.assertEquals(null, PasswordUtils.decodePassword(""));
            Assertions.assertEquals("123456", PasswordUtils.decodePassword("123456"));
            Assertions.assertEquals("!QAZXSW@", PasswordUtils.decodePassword("!QAZXSW@"));
            Assertions.assertEquals("5dfger(@", PasswordUtils.decodePassword("5dfger(@"));
        }
    }

}
