package odata;

import java.io.IOException;

import java.io.UnsupportedEncodingException;

import java.net.URI;

import org.apache.http.HttpEntity;

import org.apache.http.HttpHost;

import org.apache.http.HttpResponse;

import org.apache.http.client.ClientProtocolException;

import org.apache.http.client.HttpClient;

import org.apache.http.client.config.RequestConfig;

import org.apache.http.client.methods.HttpGet;

import org.apache.http.client.methods.HttpPost;

import org.apache.http.entity.StringEntity;

import org.apache.http.impl.client.HttpClientBuilder;

public class SimpleOrderCreator {

    private final String SERVICEURL = "https://my5000jerry.c4c.saphybriscloud.cn/sap/c4c/odata/cust/v1/zjerrysalesorder/CustomerQuoteCollection";

    HttpClient m_httpClient;

    private HttpClient getHttpClient() {

        if (this.m_httpClient == null) {

            this.m_httpClient = HttpClientBuilder.create().build();

        }

        return this.m_httpClient;

    }

    

    private String getCSRFToken(){

        final HttpGet get = new HttpGet(SERVICEURL);

        get.setHeader("Authorization", "Basic 0FOR0pFUlJZMTpTYXB0ZXN0MQ==");

        get.setHeader("x-csrf-token", "fetch");

        HttpHost proxy = new HttpHost("proxy.sha.jerry", 8080, "http");

        RequestConfig config = RequestConfig.custom().setProxy(proxy).build();

        get.setConfig(config);

        HttpResponse response;

        String token = null;

        try {

            response = getHttpClient().execute(get);

            /*Header[] header = response.getAllHeaders();

            for( int i =0; i < header.length; i++){

                System.out.println("Header: " + header[i].getValue());

            }*/

            token = response.getFirstHeader("x-csrf-token").getValue();

            System.out.println("token: " + token);

        } catch (ClientProtocolException e) {

            e.printStackTrace();

        } catch (IOException | UnsupportedOperationException e) {

            e.printStackTrace();

        }

        return token;

    }

    

    private void createSO(String token,String body) {

        final HttpPost post = new HttpPost(

                URI.create(SERVICEURL));

        post.setHeader("Authorization",

                "Basic 0FOR0pFUlJZMTpTYXB0ZXN0MQ==");

        post.setHeader("Content-Type", "application/json");

        post.setHeader("X-CSRF-Token", token);

        HttpEntity entity = null;

        try {

            entity = new StringEntity(body);

        } catch (UnsupportedEncodingException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

        post.setEntity(entity);

        HttpResponse response = null;

        try {

            response = getHttpClient().execute(post);

        } catch (ClientProtocolException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        } catch (IOException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

        System.out.println("Response statusCode for Batch => "

                + response.getStatusLine().getStatusCode());

    }

    

    public static void main(String[] args) {

        SimpleOrderCreator tool = new SimpleOrderCreator();

        String token = tool.getCSRFToken();

        String body = "{" + 

    "\"Name\": \"Jerry Test 2019-1-23 16:05PM\"," + 

    "\"TypeCode\": \"2059\"," + 

    "\"BuyerID\":\"ee\"," + 

    "\"PartyID\":\"60102\", " + 

    "\"CustomerQuoteText\":[{" + 

        "\"Text\": \"test comment by Jerry Wang\", " + 

        "\"TypeCode\": \"10024\"" + 

    "}]," + 

    "\"CustomerQuoteItem\":[{ " + 

        "\"ProductID\": \"1042416\"" + 

    "}]," + 

    "\"CustomerQuoteItemProposal\":[{" + 

        "\"ProductUUID\": \"00163E72-09C6-1EE8-BBDC-AC5F0CB0D795\"," + 

        "\"Quantity\": \"1\"," + 

        "\"unitCode\": \"EA\"" + 

    "}]" + 

"}";

        

        tool.createSO(token, body);

    }

}