using QwirkleClassLibrary;
using QwirkleConsoleApp;
using System.Collections.Immutable;
using System.Collections.ObjectModel;
using System.Diagnostics.Metrics;
using System.Net.Quic;
using System.Text;
using System.Transactions;
using static System.Console;


static void AddPlayers(Game game)
{
    NotificationClass nc = new NotificationClass();
    game.PlayerAddNotified += nc.NotificationPlayerAdd;

    while (game.PlayerList.Count < 4)
    {
        Write("Enter player tag : ");
        string? playerTag = ReadLine();

        game.AddPlayerInGame(playerTag);


        Write("Do you want to add another player ? (y/n) : ");
        string? answer = ReadLine();

        if (answer == "n" && game.PlayerList.Count >= 2)
        {
            break;
        }
        if (answer == "n" && game.PlayerList.Count < 2)
        {
            WriteLine("ERROR : You must have at least 2 players !");
        }
    }
}


static void ShowTiles(Game game)
{
    WriteLine("\n --------------------- YOUR TILES ------------------------");

    var currentPlayer = game.GetPlayingPlayer();

    var stringBuilder = new StringBuilder();

    for (int i = 0; i < currentPlayer.Tiles.Count; i++)
    {
        stringBuilder.Append("[" + (i + 1) + "] ");
        stringBuilder.AppendLine(currentPlayer.Tiles[i].ToString());
    }

    Write(stringBuilder);
}

static void AddTile(Game game)
{

    NotificationClass nc = new NotificationClass();

    game.PlaceTileNotified += nc.NotificationAddTile;

    Tile? tile = null;
    Write("Enter the number of the tile you want to place : ");

    int no = -1;
    int x = -1;
    int y = -1;

    try
    {
        while (no is < 1 or > 6)
        {
            Write("ERROR : Enter a number between 1 and 6 ! : ");
            no = Convert.ToInt32(ReadLine());
        }
    }
    catch
    {
        WriteLine("ERROR : You must type. Please retry : ");
    }


    tile = game.TileOfPlayerWithPos(no - 1);

    Write("Enter the x of the cell: ");
    try
    {
        x = Convert.ToInt32(ReadLine());
    }
    catch
    {
        WriteLine("ERROR : You must type. Please retry : ");
    }
    Write("Enter the y of the cell: ");
    try
    {
        y = Convert.ToInt32(ReadLine());
    }
    catch
    {
        WriteLine("ERROR : You must type. Please retry : ");
    }

    game.PlaceTile(game.GetPlayingPlayer(), tile, x, y);
    game.PlaceTileNotified -= nc.NotificationAddTile;
}

static void SwapTile(Game game)
{
    var tilesToSwap = new List<Tile>();
    bool continueSwap = true;

    ShowTiles(game);

    while (continueSwap)
    {
        Write("Enter the number of the tile you want to swap : ");
        int no = Convert.ToInt32(ReadLine());

        if (no is < 1 or > 6)
        {
            WriteLine("ERROR : Enter a number between 1 and 6 !");
        }
        else
        {
            tilesToSwap.Add(game.TileOfPlayerWithPos(no - 1));
        }

        Write("Do you want to swap another tile ? (y/n) : ");
        string? answer = ReadLine();

        if (answer == "n")
        {
            continueSwap = false;
        }
    }

    game.SwapTiles(game.GetPlayingPlayer(), tilesToSwap);
}

static void MenuSwitch(Game game)
{
    int enter = 0;

    while (enter != 3)
    {
        ShowBoard(game);

        ShowTiles(game);

        WriteLine("\n --------------------- CHOICES ------------------------");

        WriteLine("[1] Place your tiles");
        WriteLine("[2] Swap your tiles");
        WriteLine("[3] End your turn / Skip your turn");
        Write("Enter your choice : ");

        try
        {
            enter = Convert.ToInt32(ReadLine());
        }
        catch
        {
            WriteLine("ERROR : You must type (1 / 2 / 3). Please retry : ");
        }


        switch (enter)
        {
            case 1:
                AddTile(game);
                break;
            case 2:
                SwapTile(game);
                enter = 3;
                break;
            case 3:
                WriteLine("Your score on this turn : " + game.GetPlayerScore(game.GetPlayingPlayer(), game.CellsUsed, game.GetBoard()));
                game.EmptyCellUsed();
                game.DrawTiles(game.GetPlayingPlayer());
                return;
        }
    }
}

static void ShowBoard(Game game)
{
    Board board = game.GetBoard();

    for (int i = 0; i < board.Rows; i++)
    {
        for (int y = 0; y < board.Columns; y++)
        {
            if (board.GetCell(y, i)!.IsFree == false)
            {
                Tile? tile = board.GetCell(y, i)?.GetTile;
                if (tile != null)
                {
                    Console.Write("| " + tile.GetShape.ToString()[0] + tile.GetShape.ToString()[1] + tile.GetColor.ToString()[0] + " |");
                }
            }
            else
            {
                Console.Write("|     |");
            }
        }
        Console.WriteLine();
    }
}

static void ShowScoreBoard(Game g)
{
    int i = 0;
    foreach (KeyValuePair<Player, int> pair in g.ScoreBoard)
    {
        i++;
        WriteLine("[" + i + "] " + pair.Key.NameTag + " with " + pair.Value.ToString() + " points.");
    }


}

static void MainMenu(Game game)
{
    game.GiveTilesToPlayers();

    Console.ForegroundColor = ConsoleColor.Green;
    WriteLine("Game is starting !");
    Console.ResetColor();

    do
    {
        NotificationClass nc = new NotificationClass();
        game.NextPlayerNotified += nc.NotificationNextPlayer;
        game.EndOfGameNotified += nc.NotificationEndOfGame;

        game.SetNextPlayer();

        WriteLine(" --------------------- GAME ! ------------------------");

        MenuSwitch(game);

        game.NextPlayerNotified -= nc.NotificationNextPlayer;

    } while (game.GameRunning);

    WriteLine(" --------------------- END OF GAME ! ------------------------");
    WriteLine(" --------------------- THE BOARD : --------------------------");
    ShowBoard(game);
    WriteLine(" --------------------- THE SCORE BOARD : ---------------------");
    ShowScoreBoard(game);
}

static void MainGame()
{

    Console.ForegroundColor = ConsoleColor.DarkGray;
    WriteLine(" ===================== WELCOME TO QWIRKLE ! =====================");
    Console.ResetColor();

    int enter = 0;

    while (enter != 3)
    {

        WriteLine("[1] Create game");
        WriteLine("[2] Show leaderboard");
        WriteLine("[3] Exit");
        Write("Enter your choice : ");

        try
        {
            enter = Convert.ToInt32(ReadLine());
        }
        catch
        {
            WriteLine("ERROR : You must type (1 / 2 / 3). Please retry : ");
        }


        switch (enter)
        {
            case 1:
                WriteLine("Enter minimun 2 player and max 4 player !");
                Game game = new Game();
                AddPlayers(game);
                game.StartGame();
                MainMenu(game);
                break;
            case 2:
                //ShowLeaderboard();
                break;
            case 3:
                return;
        }

    }
}

MainGame();