using System;
using System.Collections.Generic;
using System.Windows.Forms;
using System.Linq;
using Tanshu.Accounts.Entities.Auth;
using Tanshu.Accounts.Repository;

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

        private void AssignGroupRoles_Load(object sender, EventArgs e)
        {
            FillGroups();
        }

        private void FillGroups()
        {
            cmbGroup.DisplayMember = "Name";
            cmbGroup.ValueMember = "GroupID";
            using (var bi = new GroupBI())
                cmbGroup.DataSource = bi.List();
        }

        private void cmbGroup_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (cmbGroup.SelectedValue == null)
                GetRoles(null);
            else
                GetRoles((Guid)cmbGroup.SelectedValue);
        }

        private void GetRoles(Guid? groupID)
        {
            using (var bi = new GroupBI())
            {
                var roles = bi.RoleList();
                clbRoles.DataSource = roles;

                if (groupID.HasValue)
                {
                    var group = bi.Get(x => x.GroupID == groupID.Value);
                    for (int i = 0; i < clbRoles.Items.Count; i++)
                    {
                        var item = (Role)clbRoles.Items[i];
                        if (item.Groups.Any(x => x.Group == group))
                        {
                            clbRoles.SetItemChecked(i, true);
                        }
                    }
                }
            }
        }

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

        private void btnOk_Click(object sender, EventArgs e)
        {
            if (cmbGroup.SelectedValue != null)
                Save((Guid)cmbGroup.SelectedValue);
        }
        private void Save(Guid groupID)
        {
            using (var bi = new GroupBI())
            {
                var group = bi.Get(x => x.GroupID == groupID);
                bi.Update(group, clbRoles.CheckedItems.OfType<Role>());
                bi.SaveChanges();
            }
            MessageBox.Show("Update / Save Successful");
        }

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