Dictionaries - 03. MOBA Challenger - C# Fundamentals

using System;
using System.Collections.Generic;
using System.Linq;

namespace _3._MOBA_Challenger
{
    class Program
    {
        static void Main()
        {
            Dictionary<string, Dictionary<string, int>> players = new Dictionary<string, Dictionary<string, int>>();

            string command = Console.ReadLine();
            while (command != "Season end")
            {
                string[] currentCommand = command.Split(new Char[] { ' ', '-', '>' },
                    StringSplitOptions.RemoveEmptyEntries);

                string commandOne = currentCommand[0];          // playerName
                string commandTwo = currentCommand[1];          //playerPosition
                string commandThree = currentCommand[2];        //playerSkill
                bool isItDemoted = false;

                if (commandTwo == "vs")
                {
                    if (players.ContainsKey(commandOne) && players.ContainsKey(commandThree))
                    {
                        foreach (var player in players[commandOne])
                        {
                            foreach (var position in players[commandThree])
                            {
                                if (player.Key == position.Key)
                                {
                                    if (players[commandOne].Values.Sum() > players[commandThree].Values.Sum())
                                    {
                                        players.Remove(commandThree);
                                        isItDemoted = true;
                                    }
                                    else if (players[commandOne].Values.Sum() < players[commandThree].Values.Sum())
                                    {
                                        players.Remove(commandOne);
                                        isItDemoted = true;
                                    }
                                    else if (players[commandOne].Values.Sum() == players[commandThree].Values.Sum())
                                    {
                                        isItDemoted = true;
                                    }
                                }
                            }

                            if (isItDemoted)
                            {
                                break;
                            }
                        }
                    }

                    command = Console.ReadLine();
                    continue;
                }

                // Declaring the players AND ONLY IF their skill is increased we increase it!!

                if (!players.ContainsKey(commandOne))
                {
                    players[commandOne] = new Dictionary<string, int>();

                    players[commandOne].Add(commandTwo, int.Parse(commandThree));

                    command = Console.ReadLine();
                    continue;
                }

                else if (players.ContainsKey(commandOne))
                {
                    if (!players[commandOne].ContainsKey(commandTwo))
                    {
                        players[commandOne].Add(commandTwo, int.Parse(commandThree));
                    }

                    else if (players.ContainsKey(commandOne) && players[commandOne][commandTwo] < int.Parse(commandThree))
                    {
                        players[commandOne][commandTwo] = int.Parse(commandThree);
                    }
                }


                command = Console.ReadLine();
            }


            // Converting the Print by descending
            // First is the main Dicitonary
            // Then in the foreach loop is the nested Dictionary

            players = players
                      .OrderByDescending(x => x.Value.Values.Sum())
                      .ThenBy(x => x.Key)
                      .ToDictionary(x => x.Key, x => x.Value);

            foreach (var kvp in players)
            {
                string name = kvp.Key;
                Dictionary<string, int> positionAndSkill = kvp.Value;

                positionAndSkill = positionAndSkill
                                   .OrderByDescending(x => x.Value)
                                   .ThenBy(x => x.Value)
                                   .ToDictionary(x => x.Key, x => x.Value);

                Console.WriteLine($"{name}: {positionAndSkill.Values.Sum()} skill");
                foreach (var kvp2 in positionAndSkill)
                {
                    string position = kvp2.Key;
                    int skill = kvp2.Value;

                    Console.WriteLine($"- {position} <::> {skill}");

                }
            }
        }
    }
}