using System;
using System.Windows.Forms;

namespace MatchingGame
{
    public partial class Form1 : Form
    {
        Label firstClicked = null;
        Label secondClicked = null;
        Random random = new Random();
        List<string> icons = new List<string>()
    {
        "!", "!", "N", "N", "@", "@", "k", "k",
        "b", "b", "v", "v", "%", "%", "~", "~"
    };
        public Form1()
        {
            InitializeComponent();
            AssignIconsToSquares();
        }
        private void AssignIconsToSquares()
        {
            foreach (Control control in tableLayoutPanel1.Controls)
            {
                Label iconLabel = control as Label;
                if (iconLabel != null)
                {
                    int randomNumber = random.Next(icons.Count);
                    iconLabel.Text = icons[randomNumber]; icons.RemoveAt(randomNumber);
                    iconLabel.ForeColor = iconLabel.BackColor;
                }
            }
        }

        private void label1_Click(object sender, EventArgs e)
        {
            if (timer1.Enabled == true)
                return;

            Label clickedLabel = sender as Label;

            if (clickedLabel != null)
            {
                if (clickedLabel.ForeColor == Color.White)
                    return;

                if (firstClicked == null)
                {
                    firstClicked = clickedLabel;
                    firstClicked.ForeColor = Color.White;
                    return;
                }
                secondClicked = clickedLabel;
                secondClicked.ForeColor = Color.White;
                CheckForWinner();
                if (firstClicked.Text == secondClicked.Text)
                {
                    firstClicked = null;
                    secondClicked = null;
                    return;
                }
                timer1.Start();
            }
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            timer1.Stop();
            firstClicked.ForeColor = firstClicked.BackColor;
            secondClicked.ForeColor = secondClicked.BackColor;
            firstClicked = null;
            secondClicked = null;
        }
        private void CheckForWinner()
        {
            foreach (Control control in tableLayoutPanel1.Controls)
            {
                Label iconLabel = control as Label;

                if (iconLabel != null)
                {
                    if (iconLabel.ForeColor == iconLabel.BackColor)
                        return;
                }
            }
            MessageBox.Show("You matched all the icons!", "Congratulations");
            Close();
        }
    }

}