package finki.np;

/**
 * Created by Coka on 23-Jan-17.
 */

import java.io.InputStream;
import java.time.Duration;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class SubtitlesTest {
    public static void main(String[] args) {
        Subtitles subtitles = new Subtitles();
        int n = subtitles.loadSubtitles(System.in);
        System.out.println("+++++ ORIGINIAL SUBTITLES +++++");
        subtitles.print();
        int shift = n * 37;
        shift = (shift % 2 == 1) ? -shift : shift;
        System.out.println(String.format("SHIFT FOR %d ms", shift));
        subtitles.shift(shift);
        System.out.println("+++++ SHIFTED SUBTITLES +++++");
        subtitles.print();
    }
}

// Вашиот код овде

class Subtitles {
    List<Srt> srt;

    public Subtitles() {
        srt = new ArrayList<>();
    }

    public int loadSubtitles(InputStream inputStream) {
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("HH:mm:ss.SSS");

        Scanner scanner = new Scanner(inputStream);
        while (scanner.hasNextLine()) {
            String seq = scanner.nextLine();
            Integer seqNum = Integer.parseInt(seq);
            String times = scanner.nextLine();
            String partTimes[] = times.split(" --> ");

            LocalTime firstTime = LocalTime.parse(partTimes[0].replace(",", "."), formatter);
            LocalTime secondTime = LocalTime.parse(partTimes[1].replace(",", "."), formatter);

            String text = "";
            while (true) {
                String tmp;
                if (scanner.hasNextLine()) {
                    tmp = scanner.nextLine();
                } else break;
                if (tmp.length() == 0)
                    break;
                text += tmp + "\n";
            }

            srt.add(new Srt(seqNum, firstTime, secondTime, text));
        }

        return srt.size();
    }

    public void print() {
        srt.forEach(System.out::println);
    }

    void shift(int ms) {
        srt.forEach(srt1 -> srt1.shift(ms));
    }
}

class Srt {
    int seqNum;
    LocalTime startTime;
    LocalTime endTime;
    String text;
    DateTimeFormatter formatter = DateTimeFormatter.ofPattern("HH:mm:ss,SSS");

    public Srt(int seqNum, LocalTime startTime, LocalTime endTime, String text) {
        this.seqNum = seqNum;
        this.startTime = startTime;
        this.endTime = endTime;
        this.text = text;
    }

    void shift(int ms) {
        startTime = startTime.plus(Duration.ofMillis(ms));
        endTime = endTime.plus(Duration.ofMillis(ms));
    }

    @Override
    public String toString() {
        return seqNum + "\n"
                + startTime.format(formatter)
                + " --> "
                + endTime.format(formatter)
                + "\n"
                + text;
    }
}