/*
 * Copyright (C) 2015 Square, 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 keywhiz.service.resources.automation;

import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.collect.ImmutableMap;
import io.dropwizard.jackson.Jackson;
import java.util.List;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import keywhiz.IntegrationTestRule;
import keywhiz.KeywhizService;
import keywhiz.TestClients;
import keywhiz.api.CreateGroupRequest;
import keywhiz.api.GroupDetailResponse;
import keywhiz.api.model.Group;
import keywhiz.client.KeywhizClient;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;
import org.junit.Before;
import org.junit.ClassRule;
import org.junit.Test;
import org.junit.rules.RuleChain;

import static keywhiz.testing.HttpClients.testUrl;
import static org.assertj.core.api.Assertions.assertThat;

public class AutomationGroupResourceIntegrationTest {
  ObjectMapper mapper = KeywhizService.customizeObjectMapper(Jackson.newObjectMapper());
  OkHttpClient mutualSslClient;

  @ClassRule public static final RuleChain chain = IntegrationTestRule.rule();

  @Before public void setUp() {
    mutualSslClient = TestClients.mutualSslClient();
  }

  @Test public void findGroup() throws Exception {
    Request get = new Request.Builder()
        .get()
        .url(testUrl("/automation/groups?name=Web"))
        .addHeader(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON)
        .build();

    Response response = mutualSslClient.newCall(get).execute();
    assertThat(response.code()).isEqualTo(200);

    GroupDetailResponse groupResponse = mapper.readValue(response.body().string(), GroupDetailResponse.class);
    assertThat(groupResponse.getId()).isEqualTo(918);
  }

  @Test public void findAllGroups() throws Exception {
    Request get = new Request.Builder()
        .get()
        .url(testUrl("/automation/groups"))
        .addHeader(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON)
        .build();

    Response response = mutualSslClient.newCall(get).execute();
    assertThat(response.code()).isEqualTo(200);

    List<GroupDetailResponse> groups = mapper.readValue(response.body().string(),
        new TypeReference<List<GroupDetailResponse>>() {});
    assertThat(groups).extracting("name").contains("Blackops", "Security", "Web", "iOS");
  }

  @Test public void findGroupNotFound() throws Exception {
    Request get = new Request.Builder()
        .get()
        .url(testUrl("/automation/groups?name=non-existent-group"))
        .build();

    Response response = mutualSslClient.newCall(get).execute();
    assertThat(response.code()).isEqualTo(404);
  }

  @Test public void createGroup() throws Exception {
    CreateGroupRequest request = new CreateGroupRequest("newgroup", "group-description", ImmutableMap.of("app", "new"));
    String body = mapper.writeValueAsString(request);
    Request post = new Request.Builder()
        .post(RequestBody.create(KeywhizClient.JSON, body))
        .url(testUrl("/automation/groups"))
        .addHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON)
        .addHeader(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON)
        .build();

    Response response = mutualSslClient.newCall(post).execute();
    assertThat(response.code()).isEqualTo(200);
  }

  @Test public void createGroupRedundant() throws Exception {
    CreateGroupRequest request = new CreateGroupRequest("Web", "group-description", ImmutableMap.of("app", "Web"));
    String body = mapper.writeValueAsString(request);
    Request post = new Request.Builder()
        .post(RequestBody.create(KeywhizClient.JSON, body))
        .url(testUrl("/automation/groups"))
        .addHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON)
        .addHeader(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON)
        .build();

    Response response = mutualSslClient.newCall(post).execute();
    assertThat(response.code()).isEqualTo(409);
  }

  @Test public void deleteGroup() throws Exception {
    String body = mapper.writeValueAsString(
        new CreateGroupRequest("short-lived", "group-description", ImmutableMap.of("app", "short")));
    Request post = new Request.Builder()
        .post(RequestBody.create(KeywhizClient.JSON, body))
        .url(testUrl("/automation/groups"))
        .addHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON)
        .addHeader(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON)
        .build();
    Response response = mutualSslClient.newCall(post).execute();
    assertThat(response.code()).isEqualTo(200);
    long groupId = mapper.readValue(response.body().string(), Group.class).getId();

    Request delete = new Request.Builder()
        .delete()
        .url(testUrl("/automation/groups/" + groupId))
        .build();
    response = mutualSslClient.newCall(delete).execute();
    assertThat(response.code()).isEqualTo(200);

    Request lookup = new Request.Builder()
        .get()
        .url(testUrl("/automation/groups/" + groupId))
        .addHeader(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON)
        .build();
    response = mutualSslClient.newCall(lookup).execute();
    assertThat(response.code()).isEqualTo(404);
  }
}