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

namespace GUI1
{
    /*
     * Todo List
     * =========
     * - Progress bar needs to be fixed: if over 30 = crash!
     * - Backspace key in keypad not working yet. He talked about strings in class, that's what we need to do.
     * - Check warmer/cooler: when over selectedAnswer and under the selectedAnswer.
     * - Need to set up randomNum, haven't touched that yet. Don't know where that will go yet...
     * - I'd like to add a button/linked label that will display the answer for weanies, ha.
     */


    public partial class Form1 : Form
    {
        int last = 0; // Set to zero at start of program.


        public Form1()
        {
            InitializeComponent();
        }

        private void label1_Click(object sender, EventArgs e)
        {

        }
          //======================================================
         // Button Click Event
        //  ======================================================
        private void btnEnter_Click(object sender, EventArgs e)
        {
            int selectedAnswer = 25;    // Random number eventually...

            int guess;

            if (txtUserInput.TextLength > 0) //true if they've entered something
            {
                guess = Int32.Parse(txtUserInput.Text);
                //static function call on Int32 class

                lblGuessOutput.Text = "You entered: " + guess;

                //==================================================================
                //Progress bar depending on how close guess was to selectedAnswer
                //  ==================================================================
                /*
                 if (guess < selectedAnswer)
                     pgbOutput.Value = (100 - (100 / selectedAnswer) * Math.Abs(selectedAnswer - guess));

                 else if (guess > selectedAnswer)
                     pgbOutput.Value = (100 - (100 / selectedAnswer) * Math.Abs(selectedAnswer - guess));
                 */


                //==================================================================
                // If Guess Correct
                //  ==================================================================
                if (guess == selectedAnswer)
                {
                    lblGuessOutput.Text = "Your guess is correct!"; //
                    this.BackColor = Color.LightGreen;              // Change bg color to green if correct
                    btnReset.Visible = true;                        //
                    txtUserInput.Visible = false;                   // Turns off txtbox, not visible
                    btnEnter.Visible = false;                       // Turns off btn, not visible
                    pgbOutput.Value = 100;                          // Sets progress bar to 100%
                }



                 //=======================================================
                // If guesses are lower or higher
                //  =======================================================
                else if (last != 0)     // It wouldn't have anything to compare with anyway
                {
                    if (guess < selectedAnswer)
                    {
                        if ((Math.Abs(guess - selectedAnswer)) > (Math.Abs(last - selectedAnswer)))
                        {
                            this.BackColor = Color.LightBlue;
                            lblGuess.Text = "last text = " + last;
                        }
                        else if ((Math.Abs(guess - selectedAnswer)) < (Math.Abs(last - selectedAnswer)))
                        {
                            lblGuess.Text = "last text = " + last;
                            this.BackColor = Color.Tomato;
                        }

                    }
                    else
                    {
                        if ((Math.Abs(guess - selectedAnswer)) > (Math.Abs(last - selectedAnswer)))
                        {
                            this.BackColor = Color.LightBlue;
                            lblGuess.Text = "last text = " + last;
                        }
                        else if ((Math.Abs(guess - selectedAnswer)) < (Math.Abs(last - selectedAnswer)))
                        {
                            lblGuess.Text = "last text = " + last;
                            this.BackColor = Color.Tomato;
                        }
                    }


                }


                else if (guess < selectedAnswer)
                {
                    lblGuessOutput.Text = "Your answer is too low!";


                }
                else if (guess > selectedAnswer)
                    lblGuessOutput.Text = "Your answer is too high!";





                //+++++Trouble when guess correctly sometimes bug?
                // If correct answer guessed, last = 0
                if (guess == selectedAnswer)
                    last = 0;
                else
                    last = Int32.Parse(txtUserInput.Text);
            }
            else
            {
                lblGuessOutput.Text = "You didn't enter anything.";
            }

            txtUserInput.Text = "";
            txtUserInput.Focus();

        }



        private void txtUserInput_TextChanged(object sender, EventArgs e)
        {
           //pgbOutput.Value += 5;
        }

        private void btnReset_Click(object sender, EventArgs e)
        {
            //reset colors and get new random number
            txtUserInput.Text = "";
            txtUserInput.Focus();
            btnEnter.Visible = true;
            txtUserInput.Visible = true;
            this.BackColor = Color.Empty;
            pgbOutput.Value = 0;
            btnReset.Visible = false;
            lblGuessOutput.Text = "I'm thinking of a number...";
            txtUserInput.Focus();
        }



        private void btnOne_Click(object sender, EventArgs e)
        {
            txtUserInput.Text += 1;
        }

        private void btnTwo_Click(object sender, EventArgs e)
        {
            txtUserInput.Text += 2;
        }

        private void btnBack_Click(object sender, EventArgs e)
        {


        }

        private void btnThree_Click(object sender, EventArgs e)
        {
            txtUserInput.Text += 3;
        }

        private void btnFour_Click(object sender, EventArgs e)
        {
            txtUserInput.Text += 4;
        }

        private void btnFive_Click(object sender, EventArgs e)
        {
            txtUserInput.Text += 5;
        }

        private void btnSix_Click(object sender, EventArgs e)
        {
            txtUserInput.Text += 6;
        }

        private void btnSeven_Click(object sender, EventArgs e)
        {
            txtUserInput.Text += 7;
        }

        private void btnEight_Click(object sender, EventArgs e)
        {
            txtUserInput.Text += 8;
        }

        private void btnNine_Click(object sender, EventArgs e)
        {
            txtUserInput.Text += 9;
        }

        private void btnZero_Click(object sender, EventArgs e)
        {
            txtUserInput.Text += 0;
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }


          //===============================================================
         // Keyboard Toggles
        //  ===============================================================
        private void btnKeyboard_Click(object sender, EventArgs e)
        {
            if (btnKeyboard.Text == "Keyboard On")  // Check to see if keyboard is on or off
            {
                btnKeyboard.Text = "Keyboard Off";

                btnOne.Visible   = true;
                btnTwo.Visible   = true;
                btnThree.Visible = true;
                btnFour.Visible  = true;
                btnFive.Visible  = true;
                btnSix.Visible   = true;
                btnSeven.Visible = true;
                btnEight.Visible = true;
                btnNine.Visible  = true;
                btnZero.Visible  = true;
                btnBack.Visible  = true;
                btnClear.Visible = true;
            }

            else if (btnKeyboard.Text == "Keyboard Off") // Check to see if keyboard is on or off
            {
                btnKeyboard.Text = "Keyboard On";

                btnOne.Visible   = false;
                btnTwo.Visible   = false;
                btnThree.Visible = false;
                btnFour.Visible  = false;
                btnFive.Visible  = false;
                btnSix.Visible   = false;
                btnSeven.Visible = false;
                btnEight.Visible = false;
                btnNine.Visible  = false;
                btnZero.Visible  = false;
                btnBack.Visible  = false;
                btnClear.Visible = false;
            }
        }

        private void btnClear_Click(object sender, EventArgs e)
        {
            //reset colors and get new random number
            txtUserInput.Text = "";
            txtUserInput.Focus();
            btnEnter.Visible = true;
            txtUserInput.Visible = true;
            this.BackColor = Color.Empty;

            btnReset.Visible = false;
        }

        private void lblGuessOutput_Click(object sender, EventArgs e)
        {

        }

        private void pgbOutput_Click(object sender, EventArgs e)
        {

        }

        private void txtUserInput_KeyPress(object sender, KeyPressEventArgs e)
        {
            this.enterData();
        }


        void enterData()
        {
            lblGuess.Text = "function used!";
        }






    }
}