<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Users extends Admin_Controller {

    public function __construct()
    {
        parent::__construct();

        /* Load :: Common */
        $this->lang->load('admin/users');

        /* Title Page :: Common */
        $this->page_title->push(lang('menu_users'));
        $this->data['pagetitle'] = $this->page_title->show();
        $_SESSION['id_modulo'] = 'USERS';

        /* Breadcrumbs :: Common */
        $this->breadcrumbs->unshift(1, lang('menu_users'), 'admin/users');
    }


	public function index()
	{

        if ( ! $this->ion_auth->logged_in() OR ! $this->ion_auth->is_admin())
        {
            redirect('auth/login', 'refresh');
        }
        else
        {
            /* Breadcrumbs */
            $this->data['breadcrumb'] = $this->breadcrumbs->show();

            /* Get all users */
            $this->data['users'] = $this->ion_auth->users()->result();
            foreach ($this->data['users'] as $k => $user)
            {
                $this->data['users'][$k]->groups = $this->ion_auth->get_users_groups($user->id)->result();
            }


            /* Load Template */
            $this->template->admin_render('admin/users/index', $this->data);
        }
	}


	public function create()
	{
        /* Breadcrumbs */
        $this->breadcrumbs->unshift(2, lang('menu_users_create'), 'admin/users/create');
        $this->data['breadcrumb'] = $this->breadcrumbs->show();

        /* Variables */
		$tables		 = $this->config->item('tables', 'ion_auth');
		$groups      = $this->ion_auth->groups()->result_array();
		//inserta en un array asociativo para poder utilizarlo en el form_dropdown que es un multiselect
		foreach ($groups as $grp) {
			$grupos[$grp['id']] = $grp['name'];			
		}
		

		/* Validate form input */
		$this->form_validation->set_rules('username', 'lang:users_username', 'required');
		$this->form_validation->set_rules('first_name', 'lang:users_firstname', 'required');
		$this->form_validation->set_rules('last_name', 'lang:users_lastname', 'required');
		$this->form_validation->set_rules('email', 'lang:users_email', 'required|valid_email|is_unique['.$tables['users'].'.email]');
		$this->form_validation->set_rules('phone', 'lang:users_phone', 'required');
		$this->form_validation->set_rules('company', 'lang:users_company', 'required');
		$this->form_validation->set_rules('password', 'lang:users_password', 'required|min_length[' . $this->config->item('min_password_length', 'ion_auth') . ']|max_length[' . $this->config->item('max_password_length', 'ion_auth') . ']|matches[password_confirm]');
		$this->form_validation->set_rules('password_confirm', 'lang:users_password_confirm', 'required');

		if ($this->form_validation->run() == TRUE)
		{
			$username   = $this->input->post('username');
			$password   = $this->input->post('password');

			$additional_data = array(
				'first_name' => $this->input->post('first_name'),
				'last_name'  => $this->input->post('last_name'),
				'email' 	 => strtolower($this->input->post('email')),
				'company'    => $this->input->post('company'),
				'phone'      => $this->input->post('phone'),
			);
		}

		if ($this->form_validation->run() == TRUE && $this->ion_auth->register($username, $password, $additional_data, $this->input->post('groups')))
		{	
		    $this->session->set_flashdata('message', $this->ion_auth->messages());
			redirect('admin/users', 'refresh');
		}
		else
		{
            $this->data['message'] = (validation_errors() ? validation_errors() : ($this->ion_auth->errors() ? $this->ion_auth->errors() : $this->session->flashdata('message')));


            $this->data['groups'] = $grupos;

            $this->data['username'] = array(
				'name'  => 'username',
				'id'    => 'username',
				'type'  => 'text',
                'class' => 'form-control',
				'value' => $this->form_validation->set_value('username'),
			);
			$this->data['first_name'] = array(
				'name'  => 'first_name',
				'id'    => 'first_name',
				'type'  => 'text',
                'class' => 'form-control',
				'value' => $this->form_validation->set_value('first_name'),
			);
			$this->data['last_name'] = array(
				'name'  => 'last_name',
				'id'    => 'last_name',
				'type'  => 'text',
                'class' => 'form-control',
				'value' => $this->form_validation->set_value('last_name'),
			);
			$this->data['email'] = array(
				'name'  => 'email',
				'id'    => 'email',
				'type'  => 'email',
                'class' => 'form-control',
				'value' => $this->form_validation->set_value('email'),
			);
			$this->data['company'] = array(
				'name'  => 'company',
				'id'    => 'company',
				'type'  => 'text',
                'class' => 'form-control',
				'value' => $this->form_validation->set_value('company'),
			);
			$this->data['phone'] = array(
				'name'  => 'phone',
				'id'    => 'phone',
				'type'  => 'tel',
                'pattern' => '^((\+\d{1,3}(-| )?\(?\d\)?(-| )?\d{1,5})|(\(?\d{2,6}\)?))(-| )?(\d{3,4})(-| )?(\d{4})(( x| ext)\d{1,5}){0,1}$',
                'class' => 'form-control',
				'value' => $this->form_validation->set_value('phone'),
			);
			$this->data['password'] = array(
				'name'  => 'password',
				'id'    => 'password',
				'type'  => 'password',
                'class' => 'form-control',
				'value' => $this->form_validation->set_value('password'),
			);
			$this->data['password_confirm'] = array(
				'name'  => 'password_confirm',
				'id'    => 'password_confirm',
				'type'  => 'password',
                'class' => 'form-control',
				'value' => $this->form_validation->set_value('password_confirm'),
			);

            /* Load Template */
            $this->template->admin_render('admin/users/create', $this->data);
        }
	}


	public function delete()
	{
        /* Load Template */
		$this->template->admin_render('admin/users/delete', $this->data);
	}


	public function edit($id)
	{
        $id = (int) $id;

		if ( ! $this->ion_auth->logged_in() OR ( ! $this->ion_auth->is_admin() && ! ($this->ion_auth->user()->row()->id == $id)))
		{
			redirect('auth', 'refresh');
		}
		
		/* Breadcrumbs */
        $this->breadcrumbs->unshift(2, lang('menu_users_edit'), 'admin/users/edit');
        $this->data['breadcrumb'] = $this->breadcrumbs->show();

        /* Data */
		$user          = $this->ion_auth->user($id)->row();
		$groups        = $this->ion_auth->groups()->result_array();
		$currentGroups = $this->ion_auth->get_users_groups($id)->result();

		/* Validate form input */
		$this->form_validation->set_rules('username', 'lang:edit_user_validation_uname_label', 'required');
		$this->form_validation->set_rules('first_name', 'lang:edit_user_validation_fname_label', 'required');
		$this->form_validation->set_rules('last_name', 'lang:edit_user_validation_lname_label', 'required');
		$this->form_validation->set_rules('email', 'lang:users_email', 'required|valid_email');
		$this->form_validation->set_rules('phone', 'lang:edit_user_validation_phone_label', 'required');
		$this->form_validation->set_rules('company', 'lang:edit_user_validation_company_label', 'required');

		if (isset($_POST) && ! empty($_POST))
		{
            if ($this->_valid_csrf_nonce() === FALSE OR $id != $this->input->post('id'))
			{
				show_error($this->lang->line('error_csrf'));
			}

            if ($this->input->post('password'))
			{
				$this->form_validation->set_rules('password', $this->lang->line('edit_user_validation_password_label'), 'required|min_length[' . $this->config->item('min_password_length', 'ion_auth') . ']|max_length[' . $this->config->item('max_password_length', 'ion_auth') . ']|matches[password_confirm]');
				$this->form_validation->set_rules('password_confirm', $this->lang->line('edit_user_validation_password_confirm_label'), 'required');
			}

			if ($this->form_validation->run() == TRUE)
			{
				$data = array(
					'username'   => $this->input->post('username'),
					'first_name' => $this->input->post('first_name'),
					'last_name'  => $this->input->post('last_name'),
					'email'      => $this->input->post('email'),
					'company'    => $this->input->post('company'),
					'phone'      => $this->input->post('phone')
				);

                if ($this->input->post('password'))
				{
					$data['password'] = $this->input->post('password');
				}

                if ($this->ion_auth->is_admin())
				{
                    $groupData = $this->input->post('groups');

					if (isset($groupData) && !empty($groupData))
                    {
						$this->ion_auth->remove_from_group('', $id);

						foreach ($groupData as $grp)
                        {
							$this->ion_auth->add_to_group($grp, $id);
						}
					}
				}

                if($this->ion_auth->update($user->id, $data))
			    {
                    $this->session->set_flashdata('message', $this->ion_auth->messages());

				    if ($this->ion_auth->is_admin())
					{
						redirect('admin/users', 'refresh');
					}
					else
					{
						redirect('admin', 'refresh');
					}
			    }
			    else
			    {
                    $this->session->set_flashdata('message', $this->ion_auth->errors());

				    if ($this->ion_auth->is_admin())
					{
						redirect('auth', 'refresh');
					}
					else
					{
						redirect('/', 'refresh');
					}
			    }
			}
		}

		// display the edit user form
		$this->data['csrf'] = $this->_get_csrf_nonce();

		// set the flash data error message if there is one
		$this->data['message'] = (validation_errors() ? validation_errors() : ($this->ion_auth->errors() ? $this->ion_auth->errors() : $this->session->flashdata('message')));

		// pass the user to the view
		$this->data['user']          = $user;
		$this->data['groups']        = $groups;
		$this->data['currentGroups'] = $currentGroups;
		$this->data['options'] = array('Ingles' => 'Ingles','Español' => 'Español', 'Portugués' => 'Portugués', 'Ruso' => 'Ruso', 'Francés' => 'Francés', 'Alemán' => 'Alemán', 'Italiano' => 'Italiano');

		$this->data['username'] = array(
			'name'  => 'username',
			'id'    => 'username',
			'type'  => 'text',
            'class' => 'form-control',
			'value' => $this->form_validation->set_value('username', $user->username)
		);
		$this->data['first_name'] = array(
			'name'  => 'first_name',
			'id'    => 'first_name',
			'type'  => 'text',
            'class' => 'form-control',
			'value' => $this->form_validation->set_value('first_name', $user->first_name)
		);
		$this->data['last_name'] = array(
			'name'  => 'last_name',
			'id'    => 'last_name',
			'type'  => 'text',
            'class' => 'form-control',
			'value' => $this->form_validation->set_value('last_name', $user->last_name)
		);
		$this->data['email'] = array(
			'name'  => 'email',
			'id'    => 'email',
			'type'  => 'text',
            'class' => 'form-control',
			'value' => $this->form_validation->set_value('email', $user->email)
		);
		$this->data['company'] = array(
			'name'  => 'company',
			'id'    => 'company',
			'type'  => 'text',
            'class' => 'form-control',
			'value' => $this->form_validation->set_value('company', $user->company)
		);
		$this->data['phone'] = array(
			'name'  => 'phone',
			'id'    => 'phone',
            'type'  => 'tel',
            'pattern' => '^((\+\d{1,3}(-| )?\(?\d\)?(-| )?\d{1,5})|(\(?\d{2,6}\)?))(-| )?(\d{3,4})(-| )?(\d{4})(( x| ext)\d{1,5}){0,1}$',
            'class' => 'form-control',
			'value' => $this->form_validation->set_value('phone', $user->phone)
		);
		$this->data['password'] = array(
			'name' => 'password',
			'id'   => 'password',
            'class' => 'form-control',
			'type' => 'password'
		);
		$this->data['password_confirm'] = array(
			'name' => 'password_confirm',
			'id'   => 'password_confirm',
            'class' => 'form-control',
			'type' => 'password'
		);


        /* Load Template */
		$this->template->admin_render('admin/users/edit', $this->data);
	}


	function activate($id, $code = FALSE)
	{
        $id = (int) $id;

		if ($code !== FALSE)
		{
            $activation = $this->ion_auth->activate($id, $code);
		}
		else if ($this->ion_auth->is_admin())
		{
			$activation = $this->ion_auth->activate($id);
		}

		if ($activation)
		{
            $this->session->set_flashdata('message', $this->ion_auth->messages());
			redirect('admin/users', 'refresh');
		}
		else
		{
			$this->session->set_flashdata('message', $this->ion_auth->errors());
			redirect('auth/forgot_password', 'refresh');
		}
	}


	public function deactivate($id = NULL)
	{
		if ( ! $this->ion_auth->logged_in() OR ! $this->ion_auth->is_admin())
		{
            return show_error('You must be an administrator to view this page.');
		}

        /* Breadcrumbs */
        $this->breadcrumbs->unshift(2, lang('menu_users_deactivate'), 'admin/users/deactivate');
        $this->data['breadcrumb'] = $this->breadcrumbs->show();

		/* Validate form input */
		$this->form_validation->set_rules('confirm', 'lang:deactivate_validation_confirm_label', 'required');
		$this->form_validation->set_rules('id', 'lang:deactivate_validation_user_id_label', 'required|alpha_numeric');

		$id = (int) $id;

		if ($this->form_validation->run() === FALSE)
		{
			$user = $this->ion_auth->user($id)->row();

            $this->data['csrf']       = $this->_get_csrf_nonce();
            $this->data['id']         = (int) $user->id;
            $this->data['firstname']  = ! empty($user->first_name) ? htmlspecialchars($user->first_name, ENT_QUOTES, 'UTF-8') : NULL;
            $this->data['lastname']   = ! empty($user->last_name) ? ' '.htmlspecialchars($user->last_name, ENT_QUOTES, 'UTF-8') : NULL;

            /* Load Template */
            $this->template->admin_render('admin/users/deactivate', $this->data);
		}
		else
		{
            if ($this->input->post('confirm') == 'yes')
			{
                if ($this->_valid_csrf_nonce() === FALSE OR $id != $this->input->post('id'))
				{
                    show_error($this->lang->line('error_csrf'));
				}

                if ($this->ion_auth->logged_in() && $this->ion_auth->is_admin())
				{
					$this->ion_auth->deactivate($id);
				}
			}

			redirect('admin/users', 'refresh');
		}
	}


	public function profile($id)
	{
        /* Breadcrumbs */
        $this->breadcrumbs->unshift(2, lang('menu_users_profile'), 'admin/groups/profile');
        $this->data['breadcrumb'] = $this->breadcrumbs->show();

        /* Data */
        $id = (int) $id;

        $this->data['user_info'] = $this->ion_auth->user($id)->result();
        foreach ($this->data['user_info'] as $k => $user)
        {
            $this->data['user_info'][$k]->groups = $this->ion_auth->get_users_groups($user->id)->result();
        }

        /* Load Template */
		$this->template->admin_render('admin/users/profile', $this->data);
	} 


	public function _get_csrf_nonce()
	{
		$this->load->helper('string');
		$key   = random_string('alnum', 8);
		$value = random_string('alnum', 20);
		$this->session->set_flashdata('csrfkey', $key);
		$this->session->set_flashdata('csrfvalue', $value);

		return array($key => $value);
	}


	public function _valid_csrf_nonce()
	{
		if ($this->input->post($this->session->flashdata('csrfkey')) !== FALSE && $this->input->post($this->session->flashdata('csrfkey')) == $this->session->flashdata('csrfvalue'))
		{
			return TRUE;
		}
		else
		{
			return FALSE;
		}
	}
}
