package friends;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;

public class TestPersonMap {
    static Map<String, Person> friendsMap = new HashMap<>();
    static Map<Integer, Integer> ageCounts = new HashMap<>();

    static void addFriend()
    {
        friendsMap.put("joesmith@gmail.com",new Person("joesmith@gmail.com", "Joe Smith", 22));
        friendsMap.put("samsmith@yahoo.com",new Person("samsmith@yahoo.com", "Sam Smith", 25));
        friendsMap.put("joebaker@yahoo.com",new Person("joebaker@yahoo.com", "Joe Baker", 23));
        friendsMap.put("annebaker@gmail.com",new Person("annebaker@gmail.com", "Anne Baker", 21));
        friendsMap.put("nicoba6@yahoo.com",new Person("nicoba6@yahoo.com", "Nick Barrionuevo", 22));
        friendsMap.put("bob@gmail.com",new Person("bob@gmail.com", "bob kuiper", 34));
    }

    static void Task1()
    {
        System.out.println("TASK 1");
        for(Map.Entry<String, Person> entry : friendsMap.entrySet())
        {
            System.out.println(entry.getKey());
        }
    }

    static void Task2()
    {
        System.out.println("TASK 2");
        for(Map.Entry<String, Person> entry : friendsMap.entrySet())
        {
            if(entry.getValue().name.contains("Smith"))
            System.out.println(entry.getValue().name + " -- " + entry.getValue().age);

        }
    }

    static void Task3()
    {
        System.out.println("TASK 3");
            String emails = friendsMap.keySet().toString().replaceAll("\\[", "")
                                                          .replaceAll("\\]", "")
                                                          .replaceAll(", ", "\n");
            System.out.println(emails);
    }

    static void Task4()
    {
        System.out.println("TASK 4");
        for(Map.Entry<String, Person> entry : friendsMap.entrySet())
        {
            if(entry.getValue().age >= 20 && entry.getValue().age <= 30)
            System.out.println(entry.getValue().name + " -- " + entry.getValue().age);

        }
    }

    static void Task5()
    {
        System.out.println("TASK 5");
        ArrayList<Integer> list = new ArrayList<>();
        for(Map.Entry<String, Person> entry : friendsMap.entrySet())
        {
            list.add(entry.getValue().age);
            Collections.sort(list);
        }
        for (Integer age : list) {
            System.out.println(age);
        }
    }

    static void Task7()
    {
        System.out.println("TASK 7");
        int count = 0;


        for (Map.Entry<String, Person> person : friendsMap.entrySet())
        {
                if(person.getValue().age >= 20 && person.getValue().age <= 30)
                {
                    ageCounts.put(person.getValue().age, count);
                }
        }
    }

    static void Task8and9()
    {
        int count;
        System.out.println("TASK 8");
        for (Map.Entry<Integer, Integer> entry : ageCounts.entrySet())
        {
            if(entry.getKey() == 22)
                count = entry.getValue();
        }

        System.out.println("TASK 9");
        count = 1;
        for(Map.Entry<Integer, Integer> entry : ageCounts.entrySet())
        {
            if(entry.getKey() == 22)
            {
                ageCounts.put(entry.getKey(), count);
            }
        }
    }

    static void Task11()
    {
        for(Map.Entry<Integer, Integer> entry : ageCounts.entrySet())
        {
            System.out.println(entry.getKey() + " -- " + entry.getValue());
        }
    }

    public static void main(String[] args)
    {
        addFriend();
        Task1();
        Task2();
        Task3();
        Task4();
        Task5();
        Task7();
        Task8and9();
        Task11();
    }
}