09 Teamwork Projects

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

namespace _09_TeamworkProjects
{
    class Program
    {
        static void Main()
        {
            List<Team> teams = new List<Team>();

            int numberOfTeams = int.Parse(Console.ReadLine());

            for (int i = 0; i < numberOfTeams; i++)
            {
                string[] input = Console.ReadLine().Split("-");

                string creator = input[0];
                string teamName = input[1];

                Team team = new Team(teamName, creator, new List<string>());

                if (teams.Select(t => t.Name).Contains(team.Name) == false)
                {
                    if (teams.Select(t => t.Creator).Contains(team.Creator) == false)
                    {
                        Console.WriteLine($"Team {teamName} has been created by {creator}!");

                        teams.Add(team);
                    }
                    else
                    {
                        Console.WriteLine($"{creator} cannot create another team!");
                    }
                }

                else
                {
                    Console.WriteLine($"Team {teamName} was already created!");
                }
            }

            while (true)
            {
                string input = Console.ReadLine();

                if (input == "end of assignment")
                {
                    break;
                }

                string[] tokens = input.Split("->");

                string currentMember = tokens[0];
                string teamToJoin = tokens[1];

                if (teams.Any(t => t.Name.Contains(teamToJoin)) == false)
                {
                    Console.WriteLine($"Team {teamToJoin} does not exist!");
                }

                else if (teams.Select(t => t.Members).Any(t => t.Contains(currentMember)) ||
                    teams.Select(t => t.Creator).Contains(currentMember))
                {
                    Console.WriteLine($"Member {currentMember} cannot join team {teamToJoin}!");
                }

                else
                {
                    Team exist = teams.First(t => t.Name.Equals(teamToJoin));
                    exist.Members.Add(currentMember);
                }
            }

            List<Team> filledTeams = teams.Where(t => t.Members.Count > 0).ToList();
            List<Team> emptyTeams = teams.Where(t => t.Members.Count == 0).ToList();

            foreach (var team in filledTeams.OrderByDescending(t=> t.Members.Count).ThenBy(t=> t.Name))
            {
                Console.WriteLine($"{team.Name}");
                Console.WriteLine($"- {team.Creator}");

                foreach (var member in team.Members.OrderBy(m => m))
                {
                    Console.WriteLine($"-- {member}");
                }
            }

            Console.WriteLine("Teams to disband:");

            foreach (var team in emptyTeams.OrderBy(t => t.Name))
            {
                Console.WriteLine($"{team.Name}");
            }
        }
    }

    class Team
    {
        public Team(string name, string creator, List<string> members)
        {
            Name = name;
            Creator = creator;
            Members = members;
        }

        public string Name { get; set; }
        public string Creator { get; set; }
        public List<string> Members { get; set; }
    }
}