/*
Copyright (c) 2015 Red Hat, Inc.
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 org.ovirt.engine.sdk4.internal.services;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.net.URISyntaxException;
import java.util.List;
import java.util.Map;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.util.EntityUtils;
import org.ovirt.api.metamodel.runtime.xml.XmlReader;
import org.ovirt.api.metamodel.runtime.xml.XmlWriter;
import org.ovirt.engine.sdk4.BaseRequest;
import org.ovirt.engine.sdk4.Error;
import org.ovirt.engine.sdk4.Service;
import org.ovirt.engine.sdk4.builders.NetworkFilterParameterBuilder;
import org.ovirt.engine.sdk4.internal.HttpConnection;
import org.ovirt.engine.sdk4.internal.xml.XmlNetworkFilterParameterReader;
import org.ovirt.engine.sdk4.internal.xml.XmlNetworkFilterParameterWriter;
import org.ovirt.engine.sdk4.services.NicNetworkFilterParameterService;
import org.ovirt.engine.sdk4.services.NicNetworkFilterParametersService;
import org.ovirt.engine.sdk4.types.NetworkFilterParameter;

public class NicNetworkFilterParametersServiceImpl extends ServiceImpl implements NicNetworkFilterParametersService {
    
    public NicNetworkFilterParametersServiceImpl(HttpConnection connection, String path) {
        super(connection, path);
    }
    
    private class AddRequestImpl extends BaseRequest<AddRequest, AddResponse> implements AddRequest {
        private NetworkFilterParameter parameter;
        public AddRequest parameter(NetworkFilterParameter parameter) {
            this.parameter = parameter;
            return this;
        }
        
        public AddRequest parameter(NetworkFilterParameterBuilder parameter) {
            this.parameter = parameter.build();
            return this;
        }
        
        public AddResponse send() {
            HttpPost request = null;
            try {
                URIBuilder uriBuilder = new URIBuilder(getConnection().getUrl() + getPath());
                if (query != null) {
                    for (Map.Entry<String, String> queryParam : query.entrySet()) {
                        uriBuilder.addParameter(queryParam.getKey(), queryParam.getValue());
                    }
                }
                request = new HttpPost(uriBuilder.build());
            }
            catch (URISyntaxException ex) {
                throw new Error("Failed to build URL", ex);
            }
            try (
              ByteArrayOutputStream output = new ByteArrayOutputStream();
              XmlWriter xmlWriter = new XmlWriter(output, true)
            ) {
                XmlNetworkFilterParameterWriter.writeOne(parameter, xmlWriter);
                xmlWriter.flush();
                request.setEntity(new ByteArrayEntity(output.toByteArray()));
            }
            catch (IOException ex) {
                throw new Error("Failed to parse response", ex);
            }
            
            if (headers != null) {
                for (Map.Entry<String, String> header : headers.entrySet()) {
                    request.setHeader(header.getKey(), header.getValue());
                }
            }
            
            HttpResponse response = getConnection().send(request);
            if (
              response.getStatusLine().getStatusCode() == 200
              || response.getStatusLine().getStatusCode() == 201
              || response.getStatusLine().getStatusCode() == 202
            ) {
                try (
                  XmlReader reader = new XmlReader(response.getEntity().getContent())
                ) {
                    return new AddResponseImpl(XmlNetworkFilterParameterReader.readOne(reader));
                }
                catch (IOException ex) {
                    throw new Error("Failed to read response", ex);
                }
                finally {
                    EntityUtils.consumeQuietly(response.getEntity());
                }
            }
            else {
                checkFault(response);
                return new AddResponseImpl(null);
            }
        }
        
    }
    
    private class AddResponseImpl implements AddResponse {
        private NetworkFilterParameter parameter;
        
        public AddResponseImpl(NetworkFilterParameter parameter) {
            this.parameter = parameter;
        }
        
        public NetworkFilterParameter parameter() {
            return parameter;
        }
        
    }
    
    public AddRequest add() {
        return new AddRequestImpl();
    }
    
    private class ListRequestImpl extends BaseRequest<ListRequest, ListResponse> implements ListRequest {
        private String follow;
        public ListRequest follow(String follow) {
            this.follow = follow;
            return this;
        }
        
        public ListResponse send() {
            HttpGet request = null;
            try {
                URIBuilder uriBuilder = new URIBuilder(getConnection().getUrl() + getPath());
                if (follow != null) {
                    uriBuilder.addParameter("follow", XmlWriter.renderString(follow));
                }
                if (query != null) {
                    for (Map.Entry<String, String> queryParam : query.entrySet()) {
                        uriBuilder.addParameter(queryParam.getKey(), queryParam.getValue());
                    }
                }
                request = new HttpGet(uriBuilder.build());
            }
            catch (URISyntaxException ex) {
                throw new Error("Failed to build URL", ex);
            }
            
            if (headers != null) {
                for (Map.Entry<String, String> header : headers.entrySet()) {
                    request.setHeader(header.getKey(), header.getValue());
                }
            }
            
            HttpResponse response = getConnection().send(request);
            if (
              response.getStatusLine().getStatusCode() == 200
            ) {
                try (
                  XmlReader reader = new XmlReader(response.getEntity().getContent())
                ) {
                    return new ListResponseImpl(XmlNetworkFilterParameterReader.readMany(reader));
                }
                catch (IOException ex) {
                    throw new Error("Failed to read response", ex);
                }
                finally {
                    EntityUtils.consumeQuietly(response.getEntity());
                }
            }
            else {
                checkFault(response);
                return new ListResponseImpl(null);
            }
        }
        
    }
    
    private class ListResponseImpl implements ListResponse {
        private List<NetworkFilterParameter> parameters;
        
        public ListResponseImpl(List<NetworkFilterParameter> parameters) {
            this.parameters = parameters;
        }
        
        public List<NetworkFilterParameter> parameters() {
            return parameters;
        }
        
    }
    
    public ListRequest list() {
        return new ListRequestImpl();
    }
    
    public NicNetworkFilterParameterService parameterService(String id) {
        return new NicNetworkFilterParameterServiceImpl(getConnection(), getPath() + "/" + id);
    }
    
    public Service service(String path) {
        if (path == null) {
            return this;
        }
        
        int index = path.indexOf('/');
        if (index == -1) {
            return parameterService(path);
        }
        return parameterService(path.substring(0, index)).service(path.substring(index + 1));
    }
    
    public String toString() {
        return "NicNetworkFilterParametersService:" + getPath();
    }
    
}

