package SetsAndMaps.Exercises;

import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;

public class UserLogs {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        Map<String, LinkedHashMap<String, Integer>> UserLogs = new LinkedHashMap<>();
        String regex = "^IP=(?<ip>[A-Z:0-9.]+) message='(?<message>.*)' user=(?<user>.+)$";
        Pattern pattern = Pattern.compile(regex);
        String input = scanner.nextLine();
        while (!input.matches("end")){
            Matcher matcher = pattern.matcher(input);
            if (matcher.find()){
                String IP = matcher.group("ip");
                String message = matcher.group("message");
                String user = matcher.group("user");
                if (UserLogs.containsKey(user)){
                    LinkedHashMap<String, Integer> CurrentIPSandMessages = UserLogs.get(user);
                    if (CurrentIPSandMessages.containsKey(IP)){
                        CurrentIPSandMessages.put(IP, CurrentIPSandMessages.get(IP) + 1);
                    } else {
                        CurrentIPSandMessages.put(IP, 1);
                    }
                    UserLogs.put(user, CurrentIPSandMessages);
                } else {
                    LinkedHashMap<String, Integer> NewIPAndMessage = new LinkedHashMap<>();
                    NewIPAndMessage.put(IP, 1);
                    UserLogs.put(user, NewIPAndMessage);
                }
            }
            input = scanner.nextLine();
        }

        List<String> output = UserLogs.entrySet().stream().sorted(Comparator.comparing(Map.Entry::getKey)).map(Map.Entry::getKey).collect(Collectors.toList());
        for (String current : output) {
            System.out.println(current + ": ");
            List<String> insider = UserLogs.get(current).entrySet().stream().map(Map.Entry::getKey).collect(Collectors.toList());
            for (int i = 0; i < insider.size(); i++) {
                String endingDot = "";
                if (i == insider.size() - 1){
                    endingDot =".";
                } else {
                    endingDot = ",";
                }
                System.out.print(insider.get(i) + " => " + UserLogs.get(current).get(insider.get(i)) + endingDot + " ");
            }
            System.out.println();
        }
    }
}