using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace puzzle
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        int hareketSayisi = 0;
        int labelIndex = 0;

        private void ButonKaristir()
        {
            List<int> labelList = new List<int>();
            Random rnd = new Random();
            foreach(Button btn in this.panel1.Controls)
            {
                while(labelList.Contains(labelIndex))
                {
                    labelIndex = rnd.Next(16);
                }
                btn.Text = (labelIndex == 0) ? "" : labelIndex + "";
                btn.BackColor = (btn.Text == "") ? Color.White : Color.FromKnownColor(KnownColor.ControlLight);
                labelList.Add(labelIndex);

            }
            hareketSayisi = 0;
            label1.Text = "harelet sayisi lkfjaslfj"+hareketSayisi;
        }
        private void yerDegistir(object sender, EventArgs e)
        {
            Button btn = (Button)sender;
            if(btn.Text == "")
            {
                return;
            }
            Button whiteBtn = null;
            foreach(Button bt in this.panel1.Controls)
            {
                if(bt.Text=="")
                {
                    whiteBtn = bt;
                    break;
                }
            }
            if(btn.TabIndex == (whiteBtn.TabIndex -1)||
                btn.TabIndex == (whiteBtn.TabIndex +1)||
                btn.TabIndex == (whiteBtn.TabIndex - 4)||
                btn.TabIndex == (whiteBtn.TabIndex + 4))
                {
                whiteBtn.BackColor = Color.FromKnownColor(KnownColor.ControlLight);
                btn.BackColor = Color.White;
                whiteBtn.Text = btn.Text;
                btn.Text = "";
                hareketSayisi++;
                label1.Text = "Haraket sayısı:" + hareketSayisi;

            }


        }
        private void Kontrol()
        {
            int index = 0;
            foreach
           (Button bt in this.panel1.Controls){
                if(bt.Text!= "" && Convert.ToInt16(bt.Text) != index)
                { return;

                }
                index++;
                }
            MessageBox.Show("Hareket sayisi " + hareketSayisi);
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            ButonKaristir();

        }

        private void button2_Click(object sender, EventArgs e)
        {

        }

        private void button4_Click(object sender, EventArgs e)
        {

        }

        private void label1_Click(object sender, EventArgs e)
        {

        }

        private void button17_Click(object sender, EventArgs e)
        {
            ButonKaristir();
        }

        private void panel1_Paint(object sender, PaintEventArgs e)
        {

        }
    }
}