package com.perform.sddp.content;

import com.perform.sddp.Utils;
import com.perform.sddp.schedule.RedisSchedule;
import com.perform.sddp.schedule.ScheduleTemplate;

import io.jsonwebtoken.Header;
import io.jsonwebtoken.Jwts;
import io.jsonwebtoken.SignatureAlgorithm;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.rmi.CORBA.Util;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;

import static org.junit.Assert.assertEquals;

//This class is only to show example of use scheduleSender
//Will be removed after first tests for content plugin

public class SetupForTests {
    private String correct = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJyZXF1ZXN0Qm9keUhhc2giOiIwZjFlZWQzN2E1ZWYxZjkwZWIxN2Y5NjAxY2I0ZTVlNjc5YzkwMTNmNTg1ZDlmNTc0OTI5MGFmOGUxYmMwNDViIn0.w2lHwiA3NKlCao9dMsaRv8de11J0DVWpQmPS0DFTFw0";
    private static final SignatureAlgorithm SIGN_ALG = SignatureAlgorithm.HS256;
    private static MessageDigest DIGEST;
    private String jwtKey = "contentTestToken1";
    private String payloadHeaderName = "requestBodyHash";

    public static String load = Utils.readFileFromResources("com/perform/sddp/templates/1.json");

    static {
        try {
            DIGEST = MessageDigest.getInstance("SHA-256");
        } catch (NoSuchAlgorithmException ex) {
            System.out.println("Can't get SHA-256 digest object");
        }
    }

    String jwt () throws IOException {

        byte asd [] = load.getBytes(StandardCharsets.UTF_8);
        String jwt = Jwts.builder()
                .setHeaderParam(Header.TYPE, Header.JWT_TYPE)
                .setPayload("{\"" + payloadHeaderName + "\": \"" + computeHash(asd) + "\"}")
                .signWith(SIGN_ALG, jwtKey)
                .compact();
        System.out.println(computeHash(asd));
        System.out.println(jwt + " created");
        System.out.println(correct + " correct");
        return "asd";
    }

    static String computeHash(final byte[] payload) {
        return bytesToHex(DIGEST.digest(payload));
    }

    private static String bytesToHex(final byte[] hash) {
        StringBuilder hexString = new StringBuilder(hash.length * 2);
        for (byte b : hash) {
            String hex = Integer.toHexString(0xff & b);
            if (hex.length() == 1) {
                hexString.append('0');
            }
            hexString.append(hex);
        }
        return hexString.toString();
    }

    @Test
    public void testSendAndDeleteScheduleFromRedis() throws IOException{
        //RedisSchedule.sendScheduleToRedis(ScheduleTemplate.createScheduleFromTemplate());
        //RedisSchedule.deleteScheduleFromRedis(ScheduleTemplate.createScheduleFromTemplate());
        jwt();
    }
}