package com.sample.client;
 
import java.net.URI;
import java.net.URLEncoder;
import java.util.List;
import java.util.ArrayList;
import java.util.Map;
 
import com.cosminexus.jersey.api.client.Client;
import com.cosminexus.jersey.api.client.WebResource;
import com.cosminexus.jersey.api.client.ClientRequest;
import com.cosminexus.jersey.api.client.ClientResponse;
import com.cosminexus.jersey.api.client.config.ClientConfig;
import com.cosminexus.jersey.api.client.config.DefaultClientConfig;
import com.cosminexus.jersey.api.client.ClientHandlerException;
import com.cosminexus.jersey.api.json.JSONConfiguration;
import javax.ws.rs.core.Cookie;
 
//Sample: Executing the Web resource client
public class SampleClient {
 
    public static void main(String[] args) {
        
        final String HOST = args[0];
        final String PORT = args[1];
        
        SampleClient sampleClient = new SampleClient();
        
        try{
            sampleClient.demonstration13(HOST, PORT);
            sampleClient.demonstration14(HOST, PORT);
            sampleClient.demonstration15(HOST, PORT);
            
            System.out.println("\n----- Successfully Ended -----");
            
        }catch(Exception e){
            //Display a detailed exception message
            System.out.println(e.getMessage());
        }
    }
    private void demonstration13(String HOST, String PORT) {
 
        System.out.println("\n Demonstration 13 started.");
        System.out.println(" This demonstrates how to use Client API " +
                "to receive a response as a ClientResponse.");
        System.out.println(" This demonstrates usage of @Encoded at " +
                "@CookieParam. \n Automatic URI decoding should be disabled.");
 
        String url = null;
        Client client = null;
        ClientResponse response = null;
 
        String responseEntity = "";
        Map<String, List<String>> headers = null;
        int status;
        
        //Call the Web resource
        try {
            //Set a URI of the Web resource to be called
            url = new String("http://" + HOST + ":" + PORT+ 
                    "/tutorial/root/getCookieParam");
            Cookie cookie = new Cookie("cookie", "cookie%20value");
            //Create a client object to use client APIs
            client = Client.create();
            //Create and send an HTTP request and receive an HTTP response
            //- Create a WebResource object from the Client object
            //- Set "cookie=cookie%20value" to the Cookie header
            //- Send an HTTP GET request and
            //  receive an HTTP response as ClientResponse
            response = client.resource(url)
                             .cookie(cookie)
                             .get(ClientResponse.class);
            //Acquire headers of the HTTP response
            headers = response.getHeaders();
            //Acquire the status code of the HTTP response
            status = response.getStatus();
            //Acquire the entity of the HTTP response
            responseEntity = response.getEntity(String.class);
        }catch (Exception e) {
            System.out.println(" ERROR: " + e.getClass() + " was thrown. ");
            //Display stack trace
            e.printStackTrace();
            throw new RuntimeException(" Demonstration 13 failed.");
        }
        System.out.println(" The target URL is \"" + url + "\".");
        System.out.println(" The HTTP method  is " + "\"GET\"" + ".");
        System.out.println(" Connection and interaction ended successfully.");
        
        //Set the expected value of the status code and entity
        int statusExpect = 200;
        String responseEntityExpect = "CookieParam: cookie%20value";
        
        //Check if the status code and the entity have the expected values
        if (status == statusExpect 
                & responseEntity.equals(responseEntityExpect)) {
            //Display the header of the HTTP response
            System.out.println(" Response headers are " + headers.toString() + ".");
            //Display the entity of the HTTP response
            System.out.println(" Response entity is " + responseEntity + ",");
            System.out.println(" which means target resource completed " +
                    "the process described above without any problem.");
            
            System.out.println(" Demonstration 13 ended successfully.");
        }else {
            System.out.println(" The response is not as expected.");
            throw new RuntimeException(" Demonstration 13 failed.");
        }
      
    }
 
    private void demonstration14(String HOST, String PORT) {
 
        System.out.println("\n Demonstration 14 started.");
        System.out.println(" This demonstrates how to send a ClientRequest " +
                "and receive a ClientResponse by using " +
                "Client#handle(ClientRequest request).");
        System.out.println(" This demonstrates usage of @Consumes and " +
                "@Produces.");
        URI url = null;
        Client client = null;
        ClientRequest.Builder requestBuilder = null;
        ClientRequest request = null;
        ClientResponse response = null;
 
        String responseEntity = "";
        Map<String, List<String>> headers = null;
        int status;
        
        //call the Web resource
        try {
            //Set the URI of the Web resource to be called
            url = new URI("http://" + HOST + ":" + PORT+ "/tutorial/root");
            //Create an entity of the HTTP request
            String data = URLEncoder.encode("form", "UTF-8") + "="
                + URLEncoder.encode("formValue", "UTF-8");
            //crate a Client object to use the client APIs
            client = Client.create();
            //Create a ClientRequest.Builder object
            requestBuilder = ClientRequest.create();
            //  Set "application/x-www-form-urlencoded"
            //to the "Content-Type" header of the HTTP request
            //- Set the entity of the HTTP request
               requestBuilder.type("application/x-www-form-urlencoded")
                          .entity(data);
            //Create ClientRequest from ClientRequest.Builder
            request = requestBuilder.build(url, "POST");
            //Call the Client#handle() method and send the HTTP POST //request
            //Receive an HTTP response as ClientResponse
            response = client.handle(request);
            //Acquire headers of the HTTP response
            headers = response.getHeaders();
            //Acquire the status code of the HTTP response
            status = response.getStatus();
            //Acquire the entity of the HTTP response
            responseEntity = response.getEntity(String.class);
        }catch (ClientHandlerException e) {
            System.out.println(" ERROR: " + e.getClass() + " was thrown. ");
            //Display stack trace
            e.printStackTrace();
            throw new RuntimeException(" Demonstration 14 failed.");
        }catch (Exception e) {
            System.out.println(" ERROR: " + e.getClass() + " was thrown. ");
            // Display stack trace
            e.printStackTrace();
            throw new RuntimeException(" Demonstration 14 failed.");
        }
        System.out.println(" The target URL is \"" + url + "\".");
        System.out.println(" The HTTP method  is " + "\"POST\"" + ".");
        System.out.println(" Connection and interaction ended successfully.");
 
        //Set the expected values of the status code and the entity
        int statusExpect = 200;
        String responseEntityExpect = "<FormParam>formValue</FormParam>";
 
        //Check if the status code and the entity have the expected values
        if (status == statusExpect 
                & responseEntity.equals(responseEntityExpect)) {
            //Display headers of the HTTP response
            System.out.println(" Response headers are " + headers.toString() + ".");
            //Display the entity of the HTTP response
            System.out.println(" Response entity is " + responseEntity + ",");
            System.out.println(" which means target resource completed " +
                    "the process described above without any problem.");
            
            System.out.println(" Demonstration 14 ended successfully.");
        }else {
            System.out.println(" The response is not as expected.");
            throw new RuntimeException(" Demonstration 14 failed.");
        }
     
    }
    private void demonstration15(String HOST, String PORT) {
 
        System.out.println("\n Demonstration 15 started.");
        System.out.println(" This demonstrates JSON support of CJR.");
        System.out.println(" This demonstrates POJO and JSON mapping.");
 
        String url = null;
        Client client = null;
        CustomType response = null;
        
        //Call the Web resource
        try {
            //Set the URI of the Web resource to be called
            url = new String("http://" + HOST + ":" + PORT + 
                    "/tutorial/root/PojoJsonMapping");
            //Specify settings to enable JSON POJO mapping 
            ClientConfig cc = new DefaultClientConfig();
            cc.getFeatures()
              .put(JSONConfiguration.FEATURE_POJO_MAPPING, Boolean.TRUE);
            //Create a Client object to use client APIs
            //(Pass the ClientConfig object to enable the settings)
            client = Client.create(cc);
            //Create a CustomType object
            CustomType record = new CustomType();
            record.setName("Old Record Name");
            List<Integer> grades = new ArrayList<Integer>();
            grades.add(1);
            grades.add(2);
            grades.add(3);
            record.setGrades(grades);
            //Create an HTTP request
            //-Create a WebResource object from the Client object
            //-Set "application/json" to the Content-Type header
            //-Set CustomType object to the entity
            //-Send HTTP POST request and
            //receive HTTP response as CustomType
            response = client.resource(url)
                             .type("application/json")
                             .entity(record)
                             .post(CustomType.class);
        }catch (Exception e) {
            System.out.println(" ERROR: " + e.getClass() + " was thrown. ");
            //Display the stack trace
            e.printStackTrace();
            throw new RuntimeException(" Demonstration 15 failed.");
        }
        System.out.println(" The target URL is \"" + url + "\".");
        System.out.println(" The HTTP method  is " + "\"POST\"" + ".");
        System.out.println(" Connection and interaction ended successfully.");
 
        //Set the expected value of the entity
        String responseNameExpect = "New Record Name";
        List<Integer> responseGradesExpect = new ArrayList<Integer>();
        responseGradesExpect.add(5);
        responseGradesExpect.add(6);
        responseGradesExpect.add(7); 
 
        //Check if the entity has the expected value 
        if (response.getName().equals(responseNameExpect) 
                & response.getGrades().equals(responseGradesExpect)) {
            //Display the entity of the HTTP response
            System.out.println(" Response is " + response.toString() + ",");
            System.out.println(" which means target resource completed " +
                    "the process described above without any problem.");
            
            System.out.println(" Demonstration 15 ended successfully.");
        }else {
            System.out.println(" The response is not as expected.");
            throw new RuntimeException(" Demonstration 15 failed.");
        }
     
    }
    private static class CustomType {
        
        private String name;
        private List<Integer> grade;
        
        public CustomType() {
        }
        
        public CustomType (String name, List<Integer> grades){
            this.name = name;
            this.grade = grades;
        }
        
        public String getName() {
            return name;
        }
        
        public void setName(String name) {
            this.name = name;
        }
        
        public List<Integer> getGrades() {
            return grade;
        }
        
        public void setGrades(List<Integer> grades) {
            this.grade = grades;
        }
        
        @Override
        public String toString() {
            return "Record [Name=" + name + ", Grades=" + grade.toString() + "]";
        }
        
    }
}