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// 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 com.cloud.test.longrun;

import java.io.IOException;
import java.io.InputStream;
import java.net.URLEncoder;
import java.util.Map;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.log4j.Logger;

import com.cloud.test.stress.TestClientWithAPI;

public class VirtualMachine {
    public static final Logger s_logger = Logger.getLogger(VirtualMachine.class.getClass());

    private String privateIp;
    private String userId;

    public VirtualMachine(String userId) {
        this.userId = userId;
    }

    public String getPrivateIp() {
        return privateIp;
    }

    public void setPrivateIp(String privateIp) {
        this.privateIp = privateIp;
    }

    public String getUserId() {
        return userId;
    }

    public void setUserId(String userId) {
        this.userId = userId;
    }

    public void deployVM(long zoneId, long serviceOfferingId, long templateId, String server, String apiKey, String secretKey) throws IOException {

        String encodedZoneId = URLEncoder.encode("" + zoneId, "UTF-8");
        String encodedServiceOfferingId = URLEncoder.encode("" + serviceOfferingId, "UTF-8");
        String encodedTemplateId = URLEncoder.encode("" + templateId, "UTF-8");
        String encodedApiKey = URLEncoder.encode(apiKey, "UTF-8");
        String requestToSign =
            "apiKey=" + encodedApiKey + "&command=deployVirtualMachine&serviceOfferingId=" + encodedServiceOfferingId + "&templateId=" + encodedTemplateId + "&zoneId=" +
                encodedZoneId;

        requestToSign = requestToSign.toLowerCase();
        String signature = TestClientWithAPI.signRequest(requestToSign, secretKey);
        String encodedSignature = URLEncoder.encode(signature, "UTF-8");
        String url =
            server + "?command=deployVirtualMachine" + "&zoneId=" + encodedZoneId + "&serviceOfferingId=" + encodedServiceOfferingId + "&templateId=" +
                encodedTemplateId + "&apiKey=" + encodedApiKey + "&signature=" + encodedSignature;

        s_logger.info("Sending this request to deploy a VM: " + url);
        HttpClient client = new HttpClient();
        HttpMethod method = new GetMethod(url);
        int responseCode = client.executeMethod(method);
        s_logger.info("deploy linux vm response code: " + responseCode);
        if (responseCode == 200) {
            InputStream is = method.getResponseBodyAsStream();
            Map<String, String> values = TestClientWithAPI.getSingleValueFromXML(is, new String[] {"id", "ipaddress"});
            long linuxVMId = Long.parseLong(values.get("id"));
            s_logger.info("got linux virtual machine id: " + linuxVMId);
            this.setPrivateIp(values.get("ipaddress"));

        } else if (responseCode == 500) {
            InputStream is = method.getResponseBodyAsStream();
            Map<String, String> errorInfo = TestClientWithAPI.getSingleValueFromXML(is, new String[] {"errorcode", "description"});
            s_logger.error("deploy linux vm test failed with errorCode: " + errorInfo.get("errorCode") + " and description: " + errorInfo.get("description"));
        } else {
            s_logger.error("internal error processing request: " + method.getStatusText());
        }
    }

}