public SocialNetwork Load()
        {
            var socialNetwork = new SocialNetwork();
            foreach (var panda in this.LoadPanda(Filepath))
            {
                socialNetwork.AddPanda(panda);
            }

            return socialNetwork;
        }
        /// <summary>
        /// Executes the whole program
        /// </summary>
        private static void SocialNetwork()
        {
            SocialNetwork pandaBook = new SocialNetwork();
            StringBuilder helpMenu = new StringBuilder();
            helpMenu.Append("--------------------------").AppendLine()
                    .Append("help : display help menu").AppendLine()
                    .Append("add panda/addpanda : adds a new panda").AppendLine()
                    .Append("has panda/haspanda panda : checks if panda exists in the network").AppendLine()
                    .Append("make friends/makefriends panda1 panda2 : makes 2 pandas friends").AppendLine()
                    .Append("are friends/ arefriends panda1 panda2: checks if the 2 pandas are friends").AppendLine()
                    .Append("are connected/ areconnected panda1 panda2: checks if pandas are connected").AppendLine()
                    .Append("friends of/ friendsof panda: prints the friend list of a panda").AppendLine()
                    .Append("connection level/ connectionlevel").AppendLine()
                    .Append("how many gender in network/howmanygenderinnetwork level, panda, gender: prints level-deep pandas from gender-type").AppendLine()
                    .Append("quit/exit : closes the application").AppendLine()
                    .Append("--------------------------------").AppendLine();
            //Console.WriteLine(helpMenu.ToString());
            Console.WriteLine("Welcome to the Panda Social Network (-(-(-.-)-)-)");
            do
            {
                Console.Write("Type an action :");
                string entry = Console.ReadLine().ToLower();
                string[] command = entry.Split(' ');

                switch (command[0])
                {
                    case "help":
                        Console.WriteLine(helpMenu.ToString());
                        break;
                    case "addpanda":
                        PandaCreation(command,ref pandaBook);
                        break;
                    case "add":
                        PandaCreation(command,ref pandaBook);
                        break;
                    case "haspanda":
                        HasPanda(command,ref pandaBook);
                        break;
                    case "has":
                        if (command[1] == "panda")
                        {
                            HasPanda(command, ref pandaBook);
                        }

                        break;
                    case "makefriends":
                        // MakeFriends(panda1, panda2)
                        break;
                    case "make":
                        if (command[1] == "friends")
                        {
                            // MakeFriends(panda1, panda2)
                        }

                        break;
                    case "arefriends":
                        // AreFriends(panda1, panda2)
                        break;
                    case "areconnected":
                        // Are connected
                        break;
                    case "are":
                        if (command[1] == "friends")
                        {
                            // AreFriends(panda1, panda2)
                        }

                        else if (command[1] == "connected")
                        {
                            // AreConnected(panda1, panda2)
                        }

                        break;
                    case "friendsof":
                        // FriendsOf(panda)
                        break;
                    case "friends":
                        if (command[1] == "of")
                        {
                            // FriendsOf(panda)
                        }

                        break;
                    case "connectionlevel":
                        // ConnectionLevel(panda1, panda2)
                        break;
                    case "connection":
                        if (command[1] == "level")
                        {
                            // ConnectionLevel(panda1, panda2)
                        }

                        break;
                    case "howmanygenderinnetwork":
                        // HowManyGenderInNetwork(level, panda, gender)
                        break;
                    case "how":
                        if (command[1] == "many" && command[2] == "gender" && command[3] == "in" && command[4] == "network")
                        {
                            // HowManyGenderInNetwork(level, panda, gender)
                        }

                        break;
                    case "quit":
                    case "exit":
                        Environment.Exit(0);
                        break;
                    default:
                        Console.WriteLine("ERROR: Invalid command! Type \"help\" to see list with functions.");
                        break;
                }
            }
            while (true);
        }
 public void Save(SocialNetwork network)
 {
     this.PandaSave(network.GetPandas().ToList());
 }
 private static void HasPanda(string[] command, ref SocialNetwork pandaBook)
 {
     if (command[3] == "male")
     {
         pandaBook.HasPanda(new Panda(command[1], command[2], Gender.Male));
     }
     else if (command[3] == " female")
     {
         pandaBook.HasPanda(new Panda(command[1], command[2], Gender.Female));
     }
     else
     {
         throw new ArgumentException("Invalide gender");
     }
 }