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 HeuristicLab.Services.Authentication.DataTransfer;

namespace HeuristicLab.Services.Authentication.TestClient
{
    public partial class UserManagement : Form
    {

        AuthenticationService service;
        Guid applicationId = new Guid("04371D20-8FD4-4607-A632-42C8D186786B");
       

        public UserManagement()
        {
            InitializeComponent();
            Initialize();
        }


        private void Initialize()
        {
            service = new AuthenticationService();
            if (service != null)
            {

               
                RefreshApplicationlist();
            }
        }

        private void RefreshApplicationlist()
        {
            this.bsApplications.DataSource = service.GetApplications();
            RefreshRolelist();
            RefreshUserlist();
        }

        private void RefreshRolelist()
        {
            this.bsRoles.DataSource = service.GetRoles(applicationId);
        }

        private void RefreshUserlist()
        {
            this.bsUsers.DataSource = service.GetUsers(applicationId);
        }

        private void RefreshRoleUserlist(Guid roleId)
        {
            this.bsRoleUsers.DataSource = service.GetUsersInRole(roleId);
        }

        private void dgvUsers_SelectionChanged(object sender, EventArgs e)
        {
            // show detail
            if(dgvUsers.SelectedRows.Count == 1){
                User user = (User)dgvUsers.SelectedRows[0].DataBoundItem;
                bsUser.DataSource = user;
                bsUserRoles.DataSource = service.GetRolesForUser(user.UserId);
                tcUser.Enabled = false;
            }
        }

        private void dgvRoles_SelectionChanged(object sender, EventArgs e)
        {
            if (dgvRoles.SelectedRows.Count == 1)
            {
                Role role = (Role) dgvRoles.SelectedRows[0].DataBoundItem;
                bsRole.DataSource = role;
                IEnumerable<User> _l = service.GetUsersInRole(role.RoleId);
                bsRoleUsers.DataSource = service.GetUsersInRole(role.RoleId);
                btnDeleteRole.Enabled = true;
                tcRole.Enabled = true;
            }
        }

        private void btnNewRole_Click(object sender, EventArgs e)
        {
            // new Role
            Role role = new Role();
            role.ApplicationId = applicationId;
            bsRole.DataSource = role;
            tcRole.Enabled = true;
        }

        private void btnNewUser_Click(object sender, EventArgs e)
        {
            User user = new User();
            user.ApplicationId = applicationId;
            bsUser.DataSource = user;
            tcUser.Enabled = true;
        }

        private void btnSaveUser_Click(object sender, EventArgs e)
        {
            User user = (User)bsUser.DataSource;
            tcUser.Enabled = false;
            service.InsertUser(user);
            RefreshUserlist();
            
        }

        private void btnSaveRole_Click(object sender, EventArgs e)
        {
           Role role = (Role)bsRole.DataSource;
           role.ApplicationId = applicationId;
           service.InsertRole(role);
           tcRole.Enabled = false;
           RefreshRolelist();
        }

       

        private void btnAddUserToRole_Click(object sender, EventArgs e)
        {
            if (dgvRoleAvailableUsers.SelectedRows.Count == 1)
            {
                User user = (User)dgvRoleAvailableUsers.SelectedRows[0].DataBoundItem;
                Role role = (Role)bsRole.DataSource;
                role.ApplicationId = applicationId;
                user.ApplicationId = applicationId;
                service.AddUserToRole(role.RoleId, user.UserId);
                RefreshRoleUserlist(role.RoleId);
            }
        }

        private void btnDeleteRole_Click(object sender, EventArgs e)
        {
            if (dgvRoles.SelectedRows.Count == 1)
            {
                Role role = (Role)dgvRoles.SelectedRows[0].DataBoundItem;
                service.DeleteRole(role.RoleId);
                RefreshRolelist();
            }
        }

        private void btnRemoveUserFromRole_Click(object sender, EventArgs e)
        {
            // remove from role ..
            if (dgvRoleAssignedUsers.SelectedRows.Count == 1)
            {
                User user = (User)dgvRoleAssignedUsers.SelectedRows[0].DataBoundItem;
                Role role = (Role)bsRole.DataSource;
                
                service.RemoveUserFromRole(role.RoleId, user.UserId);
                RefreshRoleUserlist(role.RoleId);
            }
        }

        private void cbxApplication_SelectedIndexChanged(object sender, EventArgs e)
        {
            HeuristicLab.Services.Authentication.DataTransfer.Application application = (HeuristicLab.Services.Authentication.DataTransfer.Application)cbxApplication.SelectedItem;
            if (application != null)
            {
                applicationId = application.ApplicationId;
                RefreshApplicationlist();
            }

        }

        private void btnDeleteUser_Click(object sender, EventArgs e)
        {
            if (dgvUsers.SelectedRows.Count == 1)
            {
                User user = (User)dgvUsers.SelectedRows[0].DataBoundItem;
                if (user != null)
                {
                    service.DeleteUser(user.UserId);
                    RefreshUserlist();
                }
            }
        }

        private void bsApplications_CurrentChanged(object sender, EventArgs e)
        {

        }

    

 

    }
}