package test;

/**
 *
 * @author User
 */
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.Writer;
import static java.lang.Thread.sleep;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.Scanner;

public class AllegroCoinsSearcher {

    public static void saveStringBuilderToCSV(StringBuilder string, String nameOfOutputFile) throws FileNotFoundException, IOException
    {
        OutputStream outputStream       = new FileOutputStream(nameOfOutputFile+".csv");
        Writer       outputStreamWriter = new OutputStreamWriter(outputStream);
        outputStreamWriter.write(string.toString());
        outputStreamWriter.close();
    }

    public static void makeSomeMoreLinks(File file) throws FileNotFoundException, IOException
    {
        StringBuilder collectedValue = new StringBuilder();
        String filters = "?order=p&allegro-smart-standard=1&stan=nowe&super-sprzedawca=1&monety=1&offerTypeBuyNow=1&price_to=250";
        String pagination = "&p=";
        int howManyPages = 10;
        try
        {
            Scanner read = new Scanner(file);
            String readLine = "";
            while ((readLine = read.nextLine()) != null)
            {
                for (int i = 1; i < howManyPages; i++)
                {
                    collectedValue.append(readLine+filters+pagination+i+"\n");
                }
            }
        }
        catch (Exception e)
        {
            System.out.println("Error");
        }
        System.out.println("CollectedValue:");
        System.out.println(collectedValue);
        saveStringBuilderToCSV(collectedValue,"więcejLinków");
    }

    public static void main(String[] args) throws MalformedURLException, IOException
    {
//        String inputLine;
//        URL link = new URL("https://allegro.pl/kategoria/smartfony-i-telefony-komorkowe-165?price_to=500&offerTypeBuyNow=1&allegro-smart-standard=1&monety=1&super-sprzedawca=1&order=p");
//        URLConnection con = link.openConnection();
//        con.setRequestProperty("User-Agent", "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.4; en-US; rv:1.9.2.2) Gecko/20100316 Firefox/3.6.2");
//
//        BufferedReader in = new BufferedReader( new InputStreamReader(con.getInputStream(),"UTF-8"));
//        int i = 1;
//        while ((inputLine = in.readLine()) != null)
//        {
//            System.out.println("Linijka " + i + ": " + inputLine);
//            i++;
//        }
//        in.close();
//
        File plik = new File("input.txt");
        makeSomeMoreLinks(plik);
        Scanner read = new Scanner(new File("input.txt"));


        StringBuilder savedValues = new StringBuilder();
        savedValues.append("Link;Ilość monet;Cena\n");
        int index1, index2, index3; // zmienne liczbowe do wyszukiwania linków
        String pharse1, pharse2, pharse3; //  zmienne tekstowe od wyszukiwania linków
        String pharse4, pharse5, pharse6; // zmienne tekstowe do wyszukiwania ilości monet
        int index4, index5; // zmienne liczbowe do wyszukiwania ilości monet
        String inputLine; // zmienna wykorzystywana do przechowywania wczytanej lini z kodu źrodłowego strony
        String readLine = "";

        try
        {
            while ((readLine = read.nextLine()) != null)
            {
                System.out.println("Wczytana linia tekstu to: " + readLine); // readLine to link do strony
                URL link = new URL(readLine);
                URLConnection con = link.openConnection();
                con.setRequestProperty("User-Agent", "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.4; en-US; rv:1.9.2.2) Gecko/20100316 Firefox/3.6.2");

                BufferedReader in = new BufferedReader( new InputStreamReader(con.getInputStream(),"UTF-8"));
                int i = 1;

                while ((inputLine = in.readLine()) != null)
                {
                    i++;
                    String text = inputLine;
                    int helpfulVariable = 0;

                    while(helpfulVariable != -1)
                    {
                        pharse1 = "https://allegro.pl/";
                        pharse2 = ".html";
                        index1 = text.indexOf(pharse1, helpfulVariable);

                        if(index1 != -1)
                        {
                            System.out.println("Znaleziono HTTPS. Nr indeksu to: " + index1);
                            index2 = text.indexOf(pharse2, index1);
                            System.out.println("Szukam .html");
                            if(index2 != -1)
                            {
                                System.out.println("Znaleziono .html na miejscu: " + index2);
                                pharse3 = text.substring(index1, index2+5);
                                System.out.println(pharse3);
                                helpfulVariable = index2;
                                if(pharse3.length()<150)
                                {


                                    // Tutaj rozpoczniemy szukanie MONET
                                    pharse4 = "otrzymasz<!-- --> <!-- -->";
                                    pharse5 = "</span>";
                                    System.out.println("Szukam frazy: otrzymasz<!-- --> <!-- -->");
                                    index4 = text.indexOf(pharse4, helpfulVariable);
                                    if(index4 != -1)
                                    {
                                        System.out.println("Znaleziono: otrzymasz<!-- --> <!-- -->");
                                        System.out.println("Miejsce znalezionego indexu dla otrzymasz to: " + index4);
                                        index5 = text.indexOf(pharse5, index4);
                                        System.out.println("Miejsce znalezionego indexu dla SPAN to: " + index5);
                                        pharse6 = text.substring(index4+pharse4.length(),index5);
                                        System.out.println("Znaleziona fraza od otrzymasz -> SPAN to: " + pharse6);
                                        helpfulVariable = index5;
                                        if(pharse5.length()<45)
                                        {
                                            savedValues.append(pharse3);
                                            savedValues.append(";");

                                            savedValues.append(pharse6);
                                            savedValues.append(";\n");
                                        }
                                    }
                                }
                            }
                            else
                            {
                                helpfulVariable = -1;
                            }
                        }
                        else
                        {
                            System.out.println("W tej linii tekstu nie znaleziono HTTPS.");
                            helpfulVariable = -1;
                        }
                    }
                }
                sleep(2000);
            }
        }
        catch (Exception e)
        {
            System.out.println("Koniec wczytywania z pliku.");

        };

        System.out.println("-----Wynik:-----");
        System.out.println(savedValues);

//        // Zapis
//        OutputStream outputStream       = new FileOutputStream("outputTERAZ.csv");
//        Writer       outputStreamWriter = new OutputStreamWriter(outputStream);
//        outputStreamWriter.write(savedValues.toString());
//        outputStreamWriter.close();

        saveStringBuilderToCSV(savedValues,"gotowyArkusz");
    }

}