using System;
using System.Linq;
using System.Windows.Forms;
using System.Threading;
using Tanshu.Accounts.BI;

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

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

        private void FillUsers()
        {
            cmbUsers.DisplayMember = "Name";
            cmbUsers.ValueMember = "UserID";
            cmbUsers.DataSource = new UserBI().GetUsers();
        }

        private void cmbUsers_SelectedIndexChanged(object sender, EventArgs e)
        {
            RefreshRoles();
        }

        private void RefreshRoles()
        {
            if (cmbUsers.SelectedValue == null)
            {
                var roles = new MembershipBI().GetAllRoles();
                lstRoles.DataSource = roles;
                var userRoles = new string[0];
                lstUserRoles.DataSource = userRoles;
                btnAddAll.Enabled = false;
                btnAddSelected.Enabled = false;
                btnRemoveAll.Enabled = false;
                btnRemoveSelected.Enabled = false;
            }
            else
            {
                var roles = new MembershipBI().GetAllRoles();
                var userRoles = new MembershipBI().GetRolesForUser(cmbUsers.Text.Trim());
                roles = roles.Where(r => !userRoles.Contains(r)).ToArray();
                lstRoles.DataSource = roles;
                lstUserRoles.DataSource = userRoles;
                btnAddAll.Enabled = true;
                btnAddSelected.Enabled = true;
                btnRemoveAll.Enabled = true;
                btnRemoveSelected.Enabled = true;

            }
        }

        private void btnAddSelected_Click(object sender, EventArgs e)
        {
            if (lstRoles.SelectedItem == null) 
                return;
            new MembershipBI().AddUsersToRoles(new string[] { cmbUsers.Text.Trim() }, new string[] { lstRoles.SelectedItem.ToString() });
            RefreshRoles();
        }

        private void btnRemoveSelected_Click(object sender, EventArgs e)
        {
            if (lstUserRoles.SelectedItem != null)
            {
                new MembershipBI().RemoveUsersFromRoles(new string[] { cmbUsers.Text.Trim() }, new string[] { lstUserRoles.SelectedItem.ToString() });
                RefreshRoles();
            }
        }

        private void btnAddAll_Click(object sender, EventArgs e)
        {
            for (int i = 0; i <= lstRoles.Items.Count - 1; i++)
            {
                new MembershipBI().AddUsersToRoles(new string[] { cmbUsers.Text.Trim() }, new string[] { lstRoles.Items[i].ToString() });
            }
            RefreshRoles();

        }

        private void btnRemoveAll_Click(object sender, EventArgs e)
        {
            for (int i = 0; i <= lstUserRoles.Items.Count - 1; i++)
            {
                new MembershipBI().RemoveUsersFromRoles(new string[] { cmbUsers.Text.Trim() }, new string[] { lstUserRoles.Items[i].ToString() });
            }
            RefreshRoles();
        }

        private void AssignRoles_FormClosing(object sender, FormClosingEventArgs e)
        {
            var userName = Thread.CurrentPrincipal.Identity.Name;
            var principal = AccountsPrincipal.CreateAccountsPrincipal(new MembershipBI().GetRolesForUser(userName), new MembershipBI().GetUserFromName(userName));

            // bind the generic principal to the thread
            Thread.CurrentPrincipal = principal;
        }
    }
}