05. Teamwork projects

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

namespace _05._Teamwork_projects
{
 class Teams
    {
        public string NameTeam { get; set; }
        public string Creator { get; set; }
        public List<string> Members { get; set; }

        public Teams (string nameTeam,string creator,  List<string> membersList)
        {
            NameTeam = nameTeam;
            Creator = creator;
            Members = membersList;
        }


    }
    class Program
    {
        static void Main(string[] args)
        {
            int numberOfTeams = int.Parse(Console.ReadLine());

            List<Teams> allIfroForTeams = new List<Teams>();

            for (int i = 0; i < numberOfTeams; i++)
            {
                List<string> membersList = new List<string>();
                string[] createTeam = Console.ReadLine().Split('-').ToArray();
                string nameTeam = createTeam[1];
                string creator = createTeam[0];

                Teams team = new Teams(nameTeam, creator, membersList);//new object every time

                if (!allIfroForTeams.Select(x => x.NameTeam).Contains(team.NameTeam))
                {
                    if (!allIfroForTeams.Select(x => x.Creator).Contains(team.Creator))
                    {
                        allIfroForTeams.Add(team);
                        Console.WriteLine($"Team {team.NameTeam} has been created by {team.Creator}!");
                    }
                    else
                    {
                        Console.WriteLine($"{team.Creator} cannot create another team!");
                    }
                }
                else
                {
                    Console.WriteLine($"Team {team.NameTeam} was already created!");
                }
            }


            while (true)
            {
                string[] joinMember = Console.ReadLine().Split("->").ToArray();

                if (joinMember[0] == "end of assignment")
                {
                    var teamsToDisband = allIfroForTeams.OrderBy(x => x.NameTeam).Where(x => x.Members.Count == 0);

                     var fullTeams = allIfroForTeams
                        .OrderByDescending(x => x.Members.Count)
                        .ThenBy(x => x.NameTeam)
                        .Where(x => x.Members.Count > 0);

                    foreach (var team in fullTeams)
                    {
                        Console.WriteLine($"{team.NameTeam}");
                        Console.WriteLine($"- {team.Creator}");
                        foreach (var member in team.Members.OrderBy(x => x))
                        {
                            Console.WriteLine($"-- {member}");
                        }
                    }
                    Console.WriteLine("Teams to disband:");
                    foreach (var item in teamsToDisband)
                    {
                        Console.WriteLine(item.NameTeam);
                    }
                    return;
                }
                else
                {
                    string nameJoinMember = joinMember[0];
                    string nameJoinTeam = joinMember[1];

                    if(! allIfroForTeams.Select(s=>s.NameTeam).Contains(nameJoinTeam))
                    {
                        Console.WriteLine($"Team {nameJoinTeam} does not exist!");
                    }

                    else if( allIfroForTeams.Select(s => s.Members).Any(s => s.Contains(nameJoinMember))||
                         allIfroForTeams.Select(s => s.Creator).Contains(nameJoinMember))
                    {
                        Console.WriteLine($"Member {nameJoinMember} cannot join team {nameJoinTeam}!");
                    }
                    else
                    {
                        int teamToJoinIndex = allIfroForTeams.FindIndex(x => x.NameTeam == nameJoinTeam);
                        allIfroForTeams[teamToJoinIndex].Members.Add(nameJoinMember);
                    }


                }

            }
        }
    }
}