sae201_qwirkle/Qwirkle/QwirkleClassLibrary/Game.cs

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Linq;


namespace QwirkleClassLibrary
{
    public class Game : IPlayer
    {
        private TileBag bag;
        private bool gameRunning;
        private Board board;

        public ReadOnlyCollection<Player> PlayerList { get; private set; }
        private readonly List<Player> players;

        public Game()
        {
            board = new Board();
            bag = new TileBag(3);

            players = new List<Player>();
            PlayerList = players.AsReadOnly();
        }

        public bool AddPlayerInGame(string? PlayerTag)
        {
            bool nameInvalid = string.IsNullOrWhiteSpace(PlayerTag);

            if (nameInvalid == true || this.gameRunning == true || PlayerTag == null)
            {
                return false;
            }

            if (players.Count >= 4)
            {
                return false;
            }

            for (int i = 0; i < players.Count; i++)
            {
                if (players[i].NameTag == PlayerTag)
                {
                    return false;
                }
            }

            Player p = new Player(PlayerTag);
            players.Add(p);

            return true;
        }

        public Player CreatePlayer(string playerTag)
        {
            var player = new Player(playerTag);
            return player;
        }
        
        public bool StartGame()
        {
            if (players.Count < 2)
            {
                return false;
            }

            this.gameRunning = true;
            return true;
        }
        
        public int GetPlayingPlayerPosition()
        {
            for (int i = 0; i < players.Count; i++)
            {
                if (players[i].IsPlaying == true)
                {
                    return i;
                }
            }
            return -1;
        }

        public int GetNbPlayers
        {
            get { return players.Count; }
        }


        public Tile TileOfPlayerWithPos(int postile)
        {
            return players[GetPlayingPlayerPosition()].Tiles[postile];
        }

        public void SetNextPlayer(int old, int neew)
        {
            if (old >= 0 || old != -1)
            {
                players[old].IsPlaying = false;
            }
            players[neew].IsPlaying = true;

        }

        public void TilsBagPlayer()
        {
            for (int i = 0; i < players.Count; i++)
            {
                for (int j = 0; j < 6; j++)
                {
                    Random random = new Random();
                    int val = random.Next(0, bag.TilesBag.Count);
                    Tile tile = bag.TilesBag[val];
                    players[i].AddTilePlayer(tile);
                    bag.RemoveTileInBag(tile);
                }
            }
        }

        public string NextPlayer()
        {
            int posPlayerPlay = GetPlayingPlayerPosition();

            int posPlayerNextPlay = GetPlayingPlayerPosition() + 1;

            if (posPlayerNextPlay > GetNbPlayers)
            {
                posPlayerNextPlay = 0;
            }

            SetNextPlayer(posPlayerPlay, posPlayerNextPlay);

            return (players[posPlayerNextPlay].NameTag);
        }

        public bool GameRunning
        {
            get { return gameRunning; }
        }

        public bool PlaceTileGame(Tile tile, int x, int y)
        {
            bool checkremove=false;
            bool checkaddcell = board.AddTileInCell(x, y, tile);
            if (checkaddcell == true)
            {
                checkremove = players[GetPlayingPlayerPosition()].RemoveTilePlayer(tile);
            }

            if (checkaddcell == checkremove)
            {
                return checkaddcell;
            }
            return false;
        }

        public void SetNextPlayer(List<Player> playersList)
        {
            for(int i = 0; i < PlayerList.Count; i++)
            {
                if (PlayerList[i].IsPlaying != true) continue;
                
                PlayerList[i].IsPlaying = false;
                PlayerList[(i + 1) % PlayerList.Count].IsPlaying = true;
            }
        }

        public void PlaceTile(Player player, Tile tile, int x, int y)
        {
            throw new NotImplementedException();
        }

        public bool ContinueToPlay()
        {
            throw new NotImplementedException();
        }
    }



}