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 Tanshu.Accounts.Helpers;
using System.Threading;
using Tanshu.Accounts.Repository;
using Tanshu.Accounts.Entities.Auth;

namespace Tanshu.Accounts.PointOfSale
{
    public partial class AssignUserGroups : Form
    {
        public AssignUserGroups()
        {
            InitializeComponent();
        }

        private void AssignRoles_Load(object sender, EventArgs e)
        {
            FillUsers();
        }

        private void FillUsers()
        {
            cmbUser.DisplayMember = "Name";
            cmbUser.ValueMember = "UserID";
            using (var bi = new UserBI())
                cmbUser.DataSource = bi.List();
        }

        private void cmbUsers_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (cmbUser.SelectedValue == null)
                GetGroups(null);
            else
                GetGroups((Guid)cmbUser.SelectedValue);
        }

        private void GetGroups(Guid? userID)
        {
            using (var bi = new UserBI())
            {
                var groups = bi.GroupList();
                clbGroups.DataSource = groups;
                for (int i = 0; i < clbGroups.Items.Count; i++)
                {
                    clbGroups.SetItemChecked(i, false);
                }
                if (userID.HasValue)
                {
                    var user = bi.Get(x => x.UserID == userID.Value);
                    for (int i = 0; i < clbGroups.Items.Count; i++)
                    {
                        var item = (Group)clbGroups.Items[i];
                        if (item.UserGroups.Any(x => x.User == user))
                        {
                            clbGroups.SetItemChecked(i, true);
                        }
                    }
                }
            }
        }
        private void btnOk_Click(object sender, EventArgs e)
        {
            if (cmbUser.SelectedValue != null)
                Save((Guid)cmbUser.SelectedValue);
        }

        private void Save(Guid userID)
        {
            using (var bi = new UserBI())
            {
                var user = bi.Get(x => x.UserID == userID);
                bi.Update(user, clbGroups.CheckedItems.OfType<Group>());
                bi.SaveChanges();
            }
            MessageBox.Show("Update / Save Successful");
        }

        private void btnCancel_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void clbGroups_Format(object sender, ListControlConvertEventArgs e)
        {
            e.Value = ((Group)e.ListItem).Name;
        }
    }
}