package cz.rb.premium;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.security.KeyStore;
import java.util.stream.Collectors;

import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonElement;
import com.google.gson.JsonParser;

public class PremiumAPIClient {

	private static final String CLIENT_CERT_FILENAME = "xxx";
	private static final String CLIENT_CERT_PASSWORD = "xxx";
	private static final String X_IBM_CLIENT_ID = "xxx";

	public static void main(String[] args) throws Exception {
		KeyStore keyStore = KeyStore.getInstance("pkcs12");
		keyStore.load(new FileInputStream(CLIENT_CERT_FILENAME), CLIENT_CERT_PASSWORD.toCharArray());
		KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
		kmf.init(keyStore, CLIENT_CERT_PASSWORD.toCharArray());
		SSLContext ctx = SSLContext.getInstance("TLS");
		ctx.init(kmf.getKeyManagers(), null, null);
		SSLSocketFactory sslSocketFactory = ctx.getSocketFactory();

//		URL url = new URL("https://api.rb.cz/rbcz/premium/mock/accounts");
		URL url = new URL("https://api.rb.cz/rbcz/premium/api/accounts");

		HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
		conn.setSSLSocketFactory(sslSocketFactory);
		conn.setRequestProperty("Content-Type", "application/json");
		conn.setRequestProperty("X-IBM-Client-Id", X_IBM_CLIENT_ID);
		conn.setRequestProperty("X-Request-Id", Long.toString(System.currentTimeMillis()));
		conn.connect();

		System.out.println("Response status: " + conn.getResponseCode() + " " + conn.getResponseMessage());
		System.out.println("Response headers: " + conn.getHeaderFields());

		String text = new BufferedReader(new InputStreamReader(conn.getInputStream(), StandardCharsets.UTF_8)).lines().collect(Collectors.joining("\n"));

		Gson gson = new GsonBuilder().setPrettyPrinting().create();
		JsonElement je = JsonParser.parseString(text);
		System.out.println(gson.toJson(je));
	}

}