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package com.arch.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.util.Scanner;

public class ConexaoInternetUtils {
    static public String ipInternet() {
        BufferedReader buffer = null;
        try {
            URL url = new URL("http://www.meuenderecoip.com");
            InputStreamReader in = new InputStreamReader(url.openStream());
            buffer = new BufferedReader(in);
            String line = buffer.readLine();
            while (line != null) {
                if (line.indexOf("Meu IP - Meu") > 0) {
                    line = buffer.readLine();

                    String ip = line.substring(line.indexOf(">") + 1, line.indexOf(""));
                    return ip;
                }

                line = buffer.readLine();
            }

            return "";
        } catch (Exception ex) {
            return "";
        } finally {
            try {
                if (buffer != null) {
                    buffer.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    static public float tempoResposta(String ip, int tempoPerdaPacote) {
        float retorno = 0f;
        for (int i = 0; i < 5; i++) {
            String resposta = "";
            int fim = 0;
            boolean kbo = false;
            String comando;

            if (System.getProperty("os.name").toLowerCase().indexOf("window") > -1) {
                comando = new String("ping -n 1 " + ip);
            } else {
                comando = new String("ping -c 1 " + ip);
            }

            try (Scanner s = new Scanner(Runtime.getRuntime().exec(comando).getInputStream())) {

                while (s.hasNextLine()) {
                    resposta = s.nextLine() + "\n";
                    fim = resposta.length() - 8;
                    for (int j = 0; j <= fim; j++) {
                        if (resposta.toLowerCase().indexOf("ttl=") > -1) {
                            kbo = true;
                            break;
                        }
                    }

                    if (kbo == true) {
                        break;
                    } else {
                        resposta = "HOST DOWN";
                    }
                }

                int posicaoInicio;
                int posicaoFim;

                if (resposta.indexOf("tempo") < 0) {
                    posicaoInicio = resposta.indexOf("time") + 5;
                    posicaoFim = resposta.indexOf(" ms");
                } else {
                    posicaoInicio = resposta.indexOf("tempo") + 6;
                    posicaoFim = resposta.indexOf("ms TTL");
                }

                String tempo = resposta.substring(posicaoInicio, posicaoFim);
                retorno += Float.parseFloat(tempo);
            } catch (Exception e) {
                retorno += tempoPerdaPacote;
            }
        }

        return retorno / 5;
    }

    public enum Tipo {OTIMO, BOM, REGULAR, RUIM, PESSIMO, ANALISANDO}
}