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;
using Common;
using System.Diagnostics;

namespace PersonalLaundry
{
    public partial class LoginForm : Form
    {
        public event EventHandler LoginValidated;
        public OperatorLogin operatorLogin;
        ConsoleForm console;

        public LoginForm(ConsoleForm console)
        {
            this.console = console;
            InitializeComponent();
        }

        private void LoginBox_Load(object sender, EventArgs e)
        {
            LoadOperatorLogins();
            this.ActiveControl = Username;
        }

        private void LoginButton_Click(object sender, EventArgs e)
        {
            AttemptLoginOperator();
        }

        private void Password_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode != Keys.Enter) return;
            this.AttemptLoginOperator();
        }

        private void LoadOperatorLogins()
        {
            try
            {
                using (var db = new DataModel())
                {
                    Username.DataSource = db.OperatorLogins.Where(u => u.OperatorRole.CanLogin == true && u.OperatorRoleId == 3).ToList();
                }
            }
            catch
            {
            }
        }

        private void AttemptLoginOperator()
        {
            if (Username.Text == null || Password.Text == null)
            {
                MessageBox.Show("Please fill in both the username and password fields...", "Login", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }

            using (var db = new DataModel())
            {
                var login = db.LoginOperator(Username.Text, Password.Text).FirstOrDefault();
                if (login == null)
                {
                    MessageBox.Show("Please fill in a valid username and password", "Login", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    Password.Text = string.Empty;
                    return;
                }
                operatorLogin = db.OperatorLogins.FirstOrDefault(f => f.OperatorLoginId == login.OperatorLoginId);

                console.operatorLogin = operatorLogin;
                if (LoginValidated != null) LoginValidated(this, new EventArgs());
                Invoke(new MethodInvoker(Close));
            }
        }
    }
}