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 Lab2bSQL
{
    public partial class Form1 : Form
    {
        ECE eceObj;
        int bookID;
        BookShop bkShopObj = new BookShop();
        public Form1()
        {
            InitializeComponent();
        }

        private void nameComboBox_SelectedIndexChanged(object sender, EventArgs e)
        {


        }

        private void Form1_Load(object sender, EventArgs e)
        {
            eceObj = new ECE();
            for (int i = 0; i < eceObj.ECENames.Length; i++)
            {
                nameComboBox.Items.Add(eceObj.ECENames[i]);
            }
          
            for (int i = 0; i < bkShopObj.Book.Length; i++) { 
            
                bookListBox.Items.Add(bkShopObj.Book[i]);
                stockListBox.Items.Add(bkShopObj.Stock[i]);
                costListBox.Items.Add(bkShopObj.Cost[i].ToString("C"));
            
            }
        }

        private void loginButton_Click(object sender, EventArgs e)
        {
            if (nameComboBox.Text == "") {
                MessageBox.Show("Empty Name");
                return;
            
            }
            else if (passwordTextBox.Text == "")
            {
                MessageBox.Show("Empty Password");
                passwordTextBox.Focus();
                return;

            }
            else {
                 eceObj = new ECE(nameComboBox.Text);

                if (passwordTextBox.Text != eceObj.Password) {
                    MessageBox.Show("Incorrect password");
                    return;
                }
                MessageBox.Show("Welcome " + eceObj.Name + " ! ");
                addressTextBox.Text = eceObj.Address;
            
            
            
            
            }
        }

        private void updateButton_Click(object sender, EventArgs e)
        {
            if (addressTextBox.Text == "")
            {

                MessageBox.Show("Please enter your address to update");
            }
            else
            {
                 eceObj = new ECE(nameComboBox.Text);
                eceObj.UpdateAddr(addressTextBox.Text);
                addressTextBox.Text = eceObj.Address;
              
            
            
            }
        }

        private void bookListBox_SelectedIndexChanged(object sender, EventArgs e)
        {
            pictureBox1.Image = Image.FromFile(bkShopObj.Book[bookListBox.SelectedIndex] + ".jpg");
        }

        private void okButton_Click(object sender, EventArgs e)
        {
            eceObj.intQuantity = int.Parse(comboBox1.Text);
            int i = bookListBox.SelectedIndex;
            bookID = i + 1;
            eceObj.CalCost(bkShopObj.Cost[i]);
            MessageBox.Show("Total is " + eceObj.TotalCost);
            bkShopObj.RecordSales(eceObj.intQuantity, bookID, eceObj.intCustID);
            bkShopObj.CheckStock(i, eceObj.intQuantity);
            
            stockListBox.Items[i] = bkShopObj.DecreaseStock(bookListBox.SelectedIndex, eceObj.intQuantity);
        }
    }
}