/*
 * 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.jclouds.cloudsigma2.functions;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.Maps;
import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
import com.google.inject.Guice;
import org.jclouds.cloudsigma2.domain.FirewallAction;
import org.jclouds.cloudsigma2.domain.FirewallDirection;
import org.jclouds.cloudsigma2.domain.FirewallIpProtocol;
import org.jclouds.cloudsigma2.domain.FirewallPolicy;
import org.jclouds.cloudsigma2.domain.FirewallRule;
import org.testng.Assert;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;

import java.net.URI;
import java.util.Map;

@Test(groups = "unit")
public class FirewallPolicyToJsonTest {

   private static final FirewallPolicyToJson FIREWALL_POLICY_TO_JSON = Guice
         .createInjector()
         .getInstance(FirewallPolicyToJson.class);

   private FirewallPolicy input;
   private JsonObject expected;

   @BeforeMethod
   public void setUp() throws Exception {
      Map<String, String> meta = Maps.newHashMap();
      meta.put("description", "test firewall policy");
      meta.put("test_key_1", "test_value_1");
      meta.put("test_key_2", "test_value_2");

      input = new FirewallPolicy.Builder()
            .meta(meta)
            .name("My awesome policy")
            .resourceUri(new URI("/api/2.0/fwpolicies/cf8479b4-c98b-46c8-ab9c-108bb00c8218/"))
            .rules(ImmutableList.of(
                  new FirewallRule.Builder()
                        .action(FirewallAction.DROP)
                        .comment("Drop traffic from the VM to IP address 23.0.0.0/32")
                        .direction(FirewallDirection.OUT)
                        .destinationIp("23.0.0.0/32")
                        .build(),
                 new FirewallRule.Builder()
                  .action(FirewallAction.ACCEPT)
                  .comment("Allow SSH traffic to the VM from our office in Dubai")
                  .direction(FirewallDirection.IN)
                  .destinationPort("22")
                  .ipProtocol(FirewallIpProtocol.TCP)
                  .sourceIp("172.66.32.0/24")
                  .build(),
                  new FirewallRule.Builder()
                  .action(FirewallAction.DROP)
                  .comment("Drop all other SSH traffic to the VM")
                  .direction(FirewallDirection.IN)
                  .destinationPort("22")
                  .ipProtocol(FirewallIpProtocol.TCP)
                  .build(),
                  new FirewallRule.Builder()
                  .action(FirewallAction.DROP)
                  .comment("Drop all UDP traffic to the VM, not originating from 172.66.32.55")
                  .direction(FirewallDirection.IN)
                  .ipProtocol(FirewallIpProtocol.UDP)
                  .sourceIp("!172.66.32.55/32")
                  .build(),
                  new FirewallRule.Builder()
                  .action(FirewallAction.DROP)
                  .comment("Drop any traffic, to the VM with destination port not between 1-1024")
                  .direction(FirewallDirection.IN)
                  .destinationPort("!1:1024")
                  .ipProtocol(FirewallIpProtocol.TCP)
                  .build()
            ))
            .build();

      expected = new JsonObject();

      expected.addProperty("name", "My awesome policy");

      JsonObject metaObject = new JsonObject();
      metaObject.addProperty("description", "test firewall policy");
      metaObject.addProperty("test_key_1", "test_value_1");
      metaObject.addProperty("test_key_2", "test_value_2");

      expected.add("meta", metaObject);

      JsonObject rule1Object = new JsonObject();
      rule1Object.addProperty("action", "drop");
      rule1Object.addProperty("comment", "Drop traffic from the VM to IP address 23.0.0.0/32");
      rule1Object.addProperty("direction", "out");
      rule1Object.addProperty("dst_ip", "23.0.0.0/32");
      JsonObject rule2Object = new JsonObject();
      rule2Object.addProperty("action", "accept");
      rule2Object.addProperty("comment", "Allow SSH traffic to the VM from our office in Dubai");
      rule2Object.addProperty("direction", "in");
      rule2Object.addProperty("dst_port", "22");
      rule2Object.addProperty("ip_proto", "tcp");
      rule2Object.addProperty("src_ip", "172.66.32.0/24");
      JsonObject rule3Object = new JsonObject();
      rule3Object.addProperty("action", "drop");
      rule3Object.addProperty("comment", "Drop all other SSH traffic to the VM");
      rule3Object.addProperty("direction", "in");
      rule3Object.addProperty("dst_port", "22");
      rule3Object.addProperty("ip_proto", "tcp");
      JsonObject rule4Object = new JsonObject();
      rule4Object.addProperty("action", "drop");
      rule4Object.addProperty("comment", "Drop all UDP traffic to the VM, not originating from 172.66.32.55");
      rule4Object.addProperty("direction", "in");
      rule4Object.addProperty("ip_proto", "udp");
      rule4Object.addProperty("src_ip", "!172.66.32.55/32");
      JsonObject rule5Object = new JsonObject();
      rule5Object.addProperty("action", "drop");
      rule5Object.addProperty("comment", "Drop any traffic, to the VM with destination port not between 1-1024");
      rule5Object.addProperty("direction", "in");
      rule5Object.addProperty("dst_port", "!1:1024");
      rule5Object.addProperty("ip_proto", "tcp");

      JsonArray rulesArray = new JsonArray();
      rulesArray.add(rule1Object);
      rulesArray.add(rule2Object);
      rulesArray.add(rule3Object);
      rulesArray.add(rule4Object);
      rulesArray.add(rule5Object);

      expected.add("rules", rulesArray);
   }

   public void test() {
      Assert.assertEquals(FIREWALL_POLICY_TO_JSON.apply(input), expected);
   }
}