/*
 * 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.apache.camel.component.salesforce.springboot;

import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.Stream;

import org.apache.camel.CamelContext;
import org.apache.camel.ProducerTemplate;
import org.apache.camel.Route;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.salesforce.SalesforceComponent;
import org.apache.camel.component.salesforce.SalesforceEndpointConfig;
import org.apache.camel.component.salesforce.SalesforceLoginConfig;
import org.apache.camel.spring.boot.CamelAutoConfiguration;

import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;

import okhttp3.HttpUrl;
import okhttp3.mockwebserver.Dispatcher;
import okhttp3.mockwebserver.MockResponse;
import okhttp3.mockwebserver.MockWebServer;
import okhttp3.mockwebserver.RecordedRequest;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.context.annotation.Bean;
import org.springframework.test.annotation.DirtiesContext;
import org.apache.camel.test.junit5.params.Parameters;
import org.apache.camel.test.spring.junit5.CamelSpringBootTest;
import org.eclipse.jetty.http.HttpHeader;


@DirtiesContext
@CamelSpringBootTest
@SpringBootTest(
    classes = {
        CamelAutoConfiguration.class,
        RawPayloadTest.class,
    }
)


public class RawPayloadTest extends AbstractSalesforceTestBase {
    
    @Autowired
    ProducerTemplate template;
    
    @Autowired
    CamelContext camelContext;

    public static String format;

    public static String endpointUri;

    private static final String OAUTH2_TOKEN_PATH = "/services/oauth2/token";
    private static final String XML_RESPONSE = "<response/>";
    private static final String JSON_RESPONSE = "{ \"response\" : \"mock\" }";

    private static HttpUrl loginUrl;
    private static MockWebServer server;

    private static String lastFormat;
    private static String expectedResponse;
    private static String requestBody;
    private static Map<String, Object> headers;

    @Override
    @Bean("salesforce")
    protected SalesforceComponent createComponent() throws Exception {

        // create the component
        SalesforceComponent component = new SalesforceComponent();
        final SalesforceEndpointConfig config = new SalesforceEndpointConfig();
        config.setApiVersion(System.getProperty("apiVersion", salesforceApiVersionToUse()));
        component.setConfig(config);

        SalesforceLoginConfig dummyLoginConfig = new SalesforceLoginConfig();
        dummyLoginConfig.setClientId("ignored");
        dummyLoginConfig.setClientSecret("ignored");
        dummyLoginConfig.setRefreshToken("ignored");
        dummyLoginConfig.setLoginUrl(loginUrl.toString());
        component.setLoginConfig(dummyLoginConfig);

        return component;
    }

    @AfterAll
    public static void shutDownServer() throws IOException {
        // shutdown mock server
        if (server != null) {
            server.shutdown();
        }
    }

    @BeforeAll
    public static void startServer() throws IOException {
        //format = _format;
        //endpointUri = _endpointUri;

        // create mock server
        server = new MockWebServer();

        server.setDispatcher(new Dispatcher() {
            @Override
            public MockResponse dispatch(RecordedRequest recordedRequest) throws InterruptedException {
                if (recordedRequest.getPath().equals(OAUTH2_TOKEN_PATH)) {
                    return new MockResponse().setResponseCode(200)
                            .setBody("{ \"access_token\": \"mock_token\", \"instance_url\": \"" + loginUrl + "\"}");
                } else {
                    return new MockResponse().setResponseCode(200)
                            .setHeader(HttpHeader.CONTENT_TYPE.toString(),
                                    recordedRequest.getHeader(HttpHeader.CONTENT_TYPE.toString()))
                            .setBody("XML".equals(format) ? XML_RESPONSE : JSON_RESPONSE);
                }
            }
        });

        // start the server
        server.start();
        loginUrl = server.url("");
    }

    
    private void setupRequestResponse(String format, String endpointUri) {
        if (!format.equals(lastFormat)) {
            // expected response and test request
            final boolean isXml = "XML".equals(format);
            expectedResponse = isXml ? XML_RESPONSE : JSON_RESPONSE;
            if (isXml) {
                requestBody = "<request/>";
            } else {
                requestBody = "{ \"request\" : \"mock\" }";
            }
            headers = new HashMap<>();
            headers.put("sObjectId", "mockId");
            headers.put("sObjectIdValue", "mockIdValue");
            headers.put("id", "mockId");
            headers.put(SalesforceEndpointConfig.APEX_QUERY_PARAM_PREFIX + "id", "mockId");

            lastFormat = format;
        }
    }
    
    private void stopRoutes() throws Exception {
        List<Route> routes = camelContext.getRoutes();
        for (Route route : routes) {
            camelContext.getRouteController().stopRoute(route.getId());
        }
    }

    @ParameterizedTest
    @MethodSource("parameters")
    
    public void testRestApi(String format, String endpointUri) throws Exception {
        RawPayloadTest.format = format;
        RawPayloadTest.endpointUri = endpointUri;
        setupRequestResponse(format, endpointUri);
        stopRoutes();
        camelContext.addRoutes(new TestConfiguration(format, endpointUri).routeBuilder());
        final String responseBody = template.requestBodyAndHeaders(endpointUri, requestBody, headers, String.class);
        assertNotNull(responseBody, "Null response for endpoint " + endpointUri);
        assertEquals(expectedResponse, responseBody, "Unexpected response for endpoint " + endpointUri);
    }

    // *************************************
    // Config
    // *************************************

    public class TestConfiguration {
        String format;
        String endpointUri;
        
        public TestConfiguration(String format, String endpointUri) {
            this.format = format;
            this.endpointUri = endpointUri;
        }

        @Bean
        public RouteBuilder routeBuilder() {
            return new RouteBuilder() {
                @Override
                public void configure() {
                    
                    // testGetVersion
                    from("direct:getVersions").to("salesforce:getVersions?rawPayload=true&format=" + format);

                    // testGetResources
                    from("direct:getResources").to("salesforce:getResources?rawPayload=true&format=" + format);

                    // testGetGlobalObjects
                    from("direct:getGlobalObjects").to("salesforce:getGlobalObjects?rawPayload=true&format=" + format);

                    // testGetBasicInfo
                    from("direct:getBasicInfo")
                            .to("salesforce:getBasicInfo?sObjectName=Merchandise__c&rawPayload=true&format=" + format);

                    // testGetDescription
                    from("direct:getDescription")
                            .to("salesforce:getDescription?sObjectName=Merchandise__c&rawPayload=true&format=" + format);

                    // testGetSObject
                    from("direct:getSObject").to(
                            "salesforce:getSObject?sObjectName=Merchandise__c&sObjectFields=Description__c,Price__c&rawPayload=true&format="
                                                 + format);

                    // testCreateSObject
                    from("direct:createSObject")
                            .to("salesforce:createSObject?sObjectName=Merchandise__c&rawPayload=true&format=" + format);

                    // testUpdateSObject
                    from("direct:updateSObject")
                            .to("salesforce:updateSObject?sObjectName=Merchandise__c&rawPayload=true&format=" + format);

                    // testDeleteSObject
                    from("direct:deleteSObject")
                            .to("salesforce:deleteSObject?sObjectName=Merchandise__c&rawPayload=true&format=" + format);

                    // testGetSObjectWithId
                    from("direct:getSObjectWithId")
                            .to("salesforce:getSObjectWithId?sObjectName=Line_Item__c&sObjectIdName=Name&rawPayload=true&format="
                                + format);

                    // testUpsertSObject
                    from("direct:upsertSObject")
                            .to("salesforce:upsertSObject?sObjectName=Line_Item__c&sObjectIdName=Name&rawPayload=true&format="
                                + format);

                    // testDeleteSObjectWithId
                    from("direct:deleteSObjectWithId")
                            .to("salesforce:deleteSObjectWithId?sObjectName=Line_Item__c&sObjectIdName=Name&rawPayload=true&format="
                                + format);

                    // testGetBlobField
                    from("direct:getBlobField")
                            .to("salesforce:getBlobField?sObjectName=Document&sObjectBlobFieldName=Body&rawPayload=true&format="
                                + format);

                    // testQuery
                    from("direct:query")
                            .to("salesforce:query?sObjectQuery=SELECT name from Line_Item__c&rawPayload=true&format=" + format);

                    // testQueryAll
                    from("direct:queryAll")
                            .to("salesforce:queryAll?sObjectQuery=SELECT name from Line_Item__c&rawPayload=true&format=" + format);

                    // testSearch
                    from("direct:search").to("salesforce:search?sObjectSearch=FIND {Wee}&rawPayload=true&format=" + format);

                    // testApexCall
                    from("direct:apexCallGet").to(
                            "salesforce:apexCall?apexMethod=GET&apexUrl=Merchandise/{id}&sObjectName=Merchandise__c&rawPayload=true&format="
                                                  + format);

                    from("direct:apexCallGetWithId")
                            .to("salesforce:apexCall/Merchandise/?apexMethod=GET&id=dummyId&rawPayload=true&format=" + format);

                    from("direct:apexCallPatch")
                            .to("salesforce:apexCall/Merchandise/?rawPayload=true&format=" + format + "&apexMethod=PATCH");

                    // testComposite (only JSON format is supported)
                    if (format.equalsIgnoreCase("json")) {
                        from("direct:composite").to(
                                "salesforce:composite?rawPayload=true&format=" + format
                                                    + "&sObjectName=foo&sObjectIdName=bar&compositeMethod=PATCH");
                    }
                }
            };
        }
    }
    
    
    @Parameters(name = "format = {0}, endpoint = {1}")
    public static List<String[]> parameters() {
        final String[] endpoints = {
                "direct:getVersions", "direct:getResources", "direct:getGlobalObjects", "direct:getBasicInfo",
                "direct:getDescription", "direct:getSObject",
                "direct:createSObject", "direct:updateSObject", "direct:deleteSObject", "direct:getSObjectWithId",
                "direct:upsertSObject",
                "direct:deleteSObjectWithId", "direct:getBlobField", "direct:query", "direct:queryAll", "direct:search",
                "direct:apexCallGet", "direct:apexCallGetWithId", "direct:apexCallPatch",
                "direct:composite" };

        final String[] formats = { "XML", "JSON" };

        return Stream.of(formats).flatMap(f -> Stream.of(endpoints)
                .map(e -> new String[] { f, e }))
                .filter(strings -> !(strings[0].equals("XML") && strings[1].equals("direct:composite")))
                .collect(Collectors.toList());
    }
}
