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 ProgLab1.GUI
{
    public partial class GuessForm : Form
    {
        private double answer;
        private int tryes;
        private Label tryCount;
        private TextBox input;

        public void SetAnswer(double answer) { this.answer = answer; tryes = 3; tryCount.Text = $"Количество попыток: {tryes}"; }
        public GuessForm(Form onCloseForm)
        {
            InitializeComponent();
            this.FormClosing += new FormClosingEventHandler((object sender, FormClosingEventArgs e) => { e.Cancel = true; this.Hide(); onCloseForm.Show(); });

            input = new TextBox();
            input.Top = 100;
            input.Left = 50;
            input.Width = 300;

            Label inputLabel = new Label();
            inputLabel.Top = 70;
            inputLabel.Left = 50;
            inputLabel.Text = "Введите число:";

            Button confirmButton = new Button
            {
                Text = "Подтвердить",
                Width = 100,
                Height = 30,
                Top = 100,
                Left = 400
            };

            tryCount = new Label();
            tryCount.Top = 40;
            tryCount.Left = 50;
            tryCount.Width = 400;
            tryCount.Text = $"Количество попыток: {tryes}";

            confirmButton.Click += ConfirmButton_Click;

            this.Controls.Add(inputLabel);
            this.Controls.Add(input);
            this.Controls.Add(confirmButton);
            this.Controls.Add(tryCount);
        }

        private bool ValidateInput(TextBox textBox)
        {
            if (double.TryParse(textBox.Text, out _))
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        private void ConfirmButton_Click(object sender, EventArgs e)
        {
            bool isValid = ValidateInput(input);
            if (!isValid) 
            {
                input.BackColor = Color.Red;
            }
            else
            {
                input.BackColor = SystemColors.Window;
                double inputNum = double.Parse(input.Text);
                Console.WriteLine(Math.Abs(answer - inputNum));
                if (Math.Abs(answer - inputNum) < 0.1)
                {

                }
                else
                {
                    tryes--;
                }

                if(tryes <= 0)
                {
                    this.Close();
                }
            }

            tryCount.Text = $"Количество попыток: {tryes}";
        }
    }
}