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/**
 * Healenium-web Copyright (C) 2019 EPAM
 * 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.
 */
package com.epam.healenium.utils;

import lombok.SneakyThrows;
import lombok.experimental.UtilityClass;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.codec.digest.DigestUtils;
import org.apache.commons.lang3.StringUtils;

import java.net.Inet4Address;
import java.net.UnknownHostException;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

@Slf4j(topic = "healenium")
@UtilityClass
public class SystemUtils {
    
    public String getHostProjectName() {
        String projectPath = System.getProperty("user.dir").replace("\\", "/");
        return projectPath.substring(projectPath.lastIndexOf("/") + 1);
    }

    public String getHostIpAddress() {
        try {
            return Inet4Address.getLocalHost().getHostAddress();
        } catch (UnknownHostException ex) {
            log.warn("Failed to get host address", ex);
        }
        return StringUtils.EMPTY;
    }

    public String getMd5Hash(String locator, String command, String url) {
        String rawKey = new StringBuilder(url)
                .append(command)
                .append(locator.hashCode())
                .toString();
        log.debug("[Save Elements] RawKey: {}", rawKey);
        String key = DigestUtils.md5Hex(rawKey.trim().getBytes(StandardCharsets.UTF_8));
        log.debug("[Save Elements] SelectorId: {}", key);
        return key;
    }
}