/*-
 * ============LICENSE_START=======================================================
 * ONAP - SO
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */

package org.onap.so.adapters.vnf;

import static com.github.tomakehurst.wiremock.client.WireMock.aResponse;
import static com.github.tomakehurst.wiremock.client.WireMock.get;
import static com.github.tomakehurst.wiremock.client.WireMock.urlPathEqualTo;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import javax.ws.rs.core.MediaType;
import org.apache.http.HttpStatus;
import org.junit.Before;
import org.junit.runner.RunWith;
import org.onap.so.adapters.openstack.MsoOpenstackAdaptersApplication;
import org.onap.so.cloud.CloudConfig;
import org.onap.so.db.catalog.beans.AuthenticationType;
import org.onap.so.db.catalog.beans.CloudIdentity;
import org.onap.so.db.catalog.beans.CloudSite;
import org.onap.so.db.catalog.beans.ServerType;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.web.client.TestRestTemplate;
import org.springframework.boot.web.server.LocalServerPort;
import org.springframework.cloud.contract.wiremock.AutoConfigureWireMock;
import org.springframework.http.HttpHeaders;
import org.springframework.test.context.ActiveProfiles;
import org.springframework.test.context.junit4.SpringRunner;
import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.github.tomakehurst.wiremock.WireMockServer;

@RunWith(SpringRunner.class)
@SpringBootTest(classes = MsoOpenstackAdaptersApplication.class,
        webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
@ActiveProfiles("test")
@AutoConfigureWireMock(port = 0)
public abstract class BaseRestTestUtils {
    @Value("${wiremock.server.port}")
    protected int wireMockPort;

    @Autowired
    protected WireMockServer wireMockServer;

    @Autowired
    CloudConfig cloudConfig;

    @Autowired
    protected TestRestTemplate restTemplate;

    protected HttpHeaders headers = new HttpHeaders();

    @LocalServerPort
    private int port;

    public ObjectMapper mapper;

    public String orchestrator = "orchestrator";
    public String cloudEndpoint = "/v2.0";


    protected String readJsonFileAsString(String fileLocation)
            throws JsonParseException, JsonMappingException, IOException {
        ObjectMapper mapper = new ObjectMapper();
        JsonNode jsonNode = mapper.readTree(new File(fileLocation));
        return jsonNode.asText();
    }

    protected String createURLWithPort(String uri) {
        return "http://localhost:" + port + uri;
    }

    protected String readFile(String fileName) throws IOException {
        try (BufferedReader br = new BufferedReader(new FileReader(fileName))) {
            StringBuilder sb = new StringBuilder();
            String line = br.readLine();

            while (line != null) {
                sb.append(line);
                sb.append("\n");
                line = br.readLine();
            }
            return sb.toString();
        }
    }

    /***
     * Before each test execution, updating IdentityUrl port value to the ramdom wireMockPort Since URL will be used as
     * a rest call and required to be mocked in unit tests
     */
    @Before
    public void setUp() throws Exception {
        wireMockServer.resetAll();
        mapper = new ObjectMapper();
        CloudIdentity identity = new CloudIdentity();
        identity.setId("DEFAULT");
        identity.setMsoId("m93945");
        identity.setMsoPass(
                "89C9F27833AC49FE4164F3608CADE7BCF40357977607A7E4B899F9A046C0071C75F7347A47308EF9FB6620214264B1");
        identity.setAdminTenant("admin");
        identity.setMemberRole("admin");
        identity.setTenantMetadata(new Boolean(true));
        identity.setIdentityUrl("http://localhost:" + wireMockPort + cloudEndpoint);

        identity.setIdentityAuthenticationType(AuthenticationType.USERNAME_PASSWORD);

        CloudSite cloudSite = new CloudSite();
        cloudSite.setId("MTN13");
        cloudSite.setCloudVersion("3.0");
        cloudSite.setClli("MDT13");
        cloudSite.setRegionId("mtn13");
        cloudSite.setOrchestrator(orchestrator);
        identity.setIdentityServerType(ServerType.KEYSTONE);
        cloudSite.setIdentityService(identity);

        wireMockServer.stubFor(get(urlPathEqualTo("/cloudSite/DEFAULT"))
                .willReturn(aResponse().withBody(getBody(mapper.writeValueAsString(cloudSite), wireMockPort, ""))
                        .withHeader(org.apache.http.HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON)
                        .withStatus(HttpStatus.SC_OK)));
    }

    protected static String getBody(String body, int port, String urlPath) throws IOException {
        return body.replaceAll("port", "http://localhost:" + port + urlPath);
    }

}