using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;

namespace QwirkleClassLibrary
{
    public class Board
    {
        public ReadOnlyCollection<Cell> ReadCells => cells.AsReadOnly();
        private readonly List<Cell> cells = new();
        
        public int Rows { get; }
        public int Columns { get; }

        public Board(int rows, int cols)
        {
            Rows = rows;
            Columns = cols;
        
            for (int a = 0; a < Rows; a++)
            {
                for (int b = 0; b < Columns; b++)
                {
                    Cell localcell = new(a, b);
                    cells.Add(localcell);
                }
            }
        }

        public bool HasOccupiedCase()
        {
            foreach (var cell in cells)
            {
                if (cell.IsFree == false)
                {
                    return true;
                }
            }
            return false;
        }

        public bool AddTileInCell(int x, int y, Tile tile)
        {
            for (int i = 0; i < cells.Count; i++)
            {
                if (this.cells[i].GetX != x || this.cells[i].GetY != y) continue;
                if (cells[i].IsFree == true)
                {
                    return cells[i].SetTile(tile);
                }
            }
            return false;
        }

        public List<Cell> GetCells()
        {
            return cells;
        }

        public IReadOnlyCollection<Cell> GetReadCells()
        {
            return ReadCells;
        }
        
        public Cell? GetCell(int x, int y)
        {
            for (int i = 0; i < cells.Count; i++)
            {
                if (this.cells[i].GetX == x && this.cells[i].GetY == y)
                {
                    return cells[i];
                }
            }
            return null;
        }
    }
}