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;
using System.IO;

namespace lda58_Homework2
{
    public partial class Addnewemployee : Form
    {
        public Addnewemployee()
        {
            InitializeComponent();
            //Adding items to the combobox
            CmbDept.Items.Add("Hardware");
            CmbDept.Items.Add("Legal");
            CmbDept.Items.Add("Marketing");
            CmbDept.Items.Add("Operations");
            CmbDept.Items.Add("Production");
            CmbDept.Items.Add("Shipping");
            CmbDept.Items.Add("Software");
        }

        private void Addnewemployee_Load(object sender, EventArgs e)
        {

        }

        private void Btnexit_Click(object sender, EventArgs e)
        {
            //closing the application
            this.Close();
        }

        private void BtnNewemployee_Click(object sender, EventArgs e)
        {
            StreamWriter outputfile;
            int specificID;
            var lines = File.ReadAllLines("company.txt");
            outputfile = File.AppendText("company.txt");
            Boolean unique = false;

            foreach (var employeeinfo in lines)
                //for each line in the file
            {
                string[] employeeID = employeeinfo.Split(',');
                specificID = int.Parse(employeeID[0]);
                //This is the first item in the array of employee info ( the line )

                if (specificID == int.Parse(TbNewID.Text))
                    //If the employee number all ready exists
                {
                    MessageBox.Show("Employee ID already in the Database!");
                }
                else
                {
                    //The number is unique!
                    unique = true;
                }
            }
            if (unique == true)
            {
                //Add formatted line to the end of the file
                outputfile.WriteLine(TbNewID.Text + "," + CmbDept.SelectedIndex.ToString() + "," + Tbfirst.Text + "," + Tblast.Text);
                MessageBox.Show("Employee ID added!");
            }
            outputfile.Close();
            this.Close();


        }
    }
}