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5469 rajveer 1 
package in.shop2020.support.services;
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import in.shop2020.model.v1.user.PromotionService.Client;
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import in.shop2020.model.v1.user.Voucher;
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import in.shop2020.model.v1.user.VoucherType;
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import in.shop2020.thrift.clients.PromotionClient;
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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import java.net.URL;
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import java.net.URLConnection;
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import java.util.Date;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class SpiceDeckRechargeService {
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	private static Logger logger = LoggerFactory.getLogger(SpiceDeckRechargeService.class);
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	private static final String voucherGenerationUrl = "http://www.spicedeck.com/mcommerce/couponregister.sdesk";
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	private static final String voucherActivationUrl = "http://www.spicedeck.com/mcommerce/couponassign.sdesk";
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	public static void storeVoucher(String username, String password, long amount, long numberOfVouchers) throws Exception{
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		for(int i=0; i<numberOfVouchers; i++){
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			String coupon = generateVoucher(username, password, amount);
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			Voucher voucher = new Voucher();
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			voucher.setVoucherType(VoucherType.SPICEDECK_MOBILE);
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			voucher.setAmount(amount);
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			voucher.setVoucherCode(coupon);
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			voucher.setIssuedOn(new Date().getTime());
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			Client pc = new PromotionClient().getClient();
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			pc.addVoucher(voucher);
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		}
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	}
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	public static void issueVoucher(String username, String password, long userId, String userEmail, long amount) throws Exception{
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		Client pc = new PromotionClient().getClient();
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		Voucher voucher = pc.assignVoucher(userId, userEmail, VoucherType.SPICEDECK_MOBILE, amount);
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		boolean isActivated = activateVoucher(username, password, voucher.getVoucherCode(), voucher.getUserEmail());
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		if(!isActivated){
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			throw new Exception("Voucher could not get activated.");
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		}
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	}
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	public static String generateVoucher(String username, String password, long amount) throws Exception{
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		String params = "userid=" + username + "&password=" + password + "&amount=" + amount;
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		String returnValue = sendGetRequest(voucherGenerationUrl, params);
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		if("-1".equals(returnValue)){
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			throw new Exception("Credit balance low.");
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		}else if("0".equals(returnValue)){
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			throw new Exception("Network or some other failure.");
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		}
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		return returnValue;
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	}
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	public static boolean activateVoucher(String username, String password, String voucherCode, String userEmail) throws Exception{
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		String params = "userid=" + username + "&password=" + password + "&cid=" + voucherCode + "&email=" + userEmail;
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		String returnValue = sendGetRequest(voucherActivationUrl, params);
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		if("1".equals(returnValue)){
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			return true;
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		}else if("-1".equals(returnValue)){
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			throw new Exception("Invalid voucher.");
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		}else if("0".equals(returnValue)){
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			throw new Exception("Network or some other failure.");
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		}
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		return false;
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	}
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	private static String sendGetRequest(String endpoint, String requestParameters)
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	{
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		String result = null;
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		try
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		{
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			String urlStr = endpoint;
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			if (requestParameters != null && requestParameters.length () > 0){
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				urlStr += "?" + requestParameters;
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			}
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			URL url = new URL(urlStr);
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			URLConnection conn = url.openConnection ();
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			// Get the response
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			BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
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			StringBuffer sb = new StringBuffer();
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			String line;
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			while ((line = rd.readLine()) != null)
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			{
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				sb.append(line);
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			}
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			rd.close();
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			result = sb.toString();
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		} catch (Exception e){
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			e.printStackTrace();
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	    	logger.error("Not able to get data from server");
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		}
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		return result;
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	}
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	public static void main(String args[]) throws Exception{
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		//System.out.println(SpiceDeckRechargeService.generateVoucher("sachingyal", "abc1234", 1));
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		//System.out.println(SpiceDeckRechargeService.activateVoucher("sachingyal", "abc1234", "SHL1340274524944", "rajveer.singh@saholic.com"));
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		storeVoucher("sachingyal", "abc1234", 5, 1);
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		issueVoucher("sachingyal", "abc1234", 191919, "mandeep.dhir@shop2020.in", 5);
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	}
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}