using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Reflection.Emit;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace HCI_Coursework_EVCHARGE
{
    public partial class AccountDetailForm : Form
    {
        Keyboard keyboard;
        Pinpad pinpad;
        public AccountDetailForm()
        {
            InitializeComponent();
            this.ActiveControl = this.loginLabel;
            StartPosition = FormStartPosition.CenterScreen;
        }

        private void accountNo_Focus(object sender, EventArgs e)
        {
            TextBox textBox = (TextBox)sender;  // take a copy of the object reference for the particular textbox pressed

            if (keyboard == null)  // check if the keyboard is already created
            {
                keyboard = new Keyboard();   // no keyboard so create an instance of one
                keyboard.FormClosed += delegate
                {
                    keyboard = null;  // when the keyboard is closed, dispose of the keyboard instance
                    this.ActiveControl = loginLabel; // when the keyboard is closed, reset focus to the dummy label else
                                                 // it will give focus to a textbox which would trigger the event to
                                                 // make another keyboard appear.
                };
            }
            keyboard.setTextBox(textBox);  // tell the keyboard which textbox to send its characters too
            keyboard.Show(); // show the keyboard

            keyboard.Top = this.Top + textBox.Top + textBox.Height + 30;
        }

        private void accountPin_Focus(object sender, EventArgs e) {
            TextBox textBox = (TextBox)sender;

            if ( pinpad == null )
            {
                pinpad = new Pinpad();
                pinpad.FormClosed += delegate
                {
                    pinpad = null;
                    this.ActiveControl = loginLabel;
                };
            }
            pinpad.setTextBox(textBox);
            pinpad.Show();
            pinpad.Top = this.Top + textBox.Top + textBox.Height + 30;


        }

        private void cancel_Click(object sender, EventArgs e)
        {
            keyboard?.Close();
            pinpad?.Close();
            Close();
        }

        private void login_Click(object sender, EventArgs e)
        {
            if ( accountNoTextBox.Text == "" )
            {
                if ( accountPinTextBox.Text == "" )
                {
                    BaySelection baySelection = new BaySelection( accountNoTextBox.Text );
                    baySelection.Show();
                    baySelection.FormClosed += delegate
                    {
                        baySelection = null;
                    };
                    Close();
                }
            }
        }

        private void accountNo_LoseFocus(object sender, EventArgs e)
        {
            if (keyboard != null)
            {
                keyboard.Close();
            }
        }

        private void accountPin_LoseFocus(Object sender, EventArgs e)
        {
            if (pinpad != null )
            {
                pinpad.Close();
            }
        }
    }
}