<?php

use Mailgun\Mailgun;


class Login extends MY_Controller {

	function __construct()
	{
		parent::__construct();
		$models = [
			"shared/Users_model",
			'shared/Session_model',
			'shared/Orgusers_model',
			"shared/Autorisaties_model",
			"shared/Autorisatienivos_model",
			"shared/Licenties_model"];    // 'Pages_model',
		$this->load->model( $models );
		$this->load->helper( 'string' );
	}

	function controlleergnaam()
	{
		$username = $this->db->escape_str( $this->input->post( 'gebruikersnaam' ), TRUE );
		$userid = $this->Users_model->get_fieldvalue( [
			'lower(gnaam)' => strtolower( $username ),
			'actief'       => 1], 'id' );

		if ( ! $userid )
		{
			$zout = FALSE;
			$challenge = FALSE;
		}
		else
		{
			$this->Session_model->set_tmpuserid( $userid );
			$zout = $this->Users_model->get_record_by_id( $userid, 'zout' );

			$challenge = random_string( 'alnum', 10 );
			$this->session->set_userdata( 'challenge', $challenge );
		}
		$data = ['userid' => $userid, 'salt' => $zout, 'challenge' => $challenge];
		echo json_encode( $data );
	}

	function controleerwwoord()
	{
		$result = NULL;
		$userrole = NULL;
		$tmpuserid = $this->session->userdata( 'tmpuserid' );
		$password = $this->Users_model->get_record_by_id( $tmpuserid, 'wachtwoord' );
		$salt = $this->Users_model->get_record_by_id( $tmpuserid, 'zout' );

		$challenge = $this->session->userdata( 'challenge' );
		$masterpass = md5( md5( $salt . 'Mstr@p0m-mnbs_983' ) . $challenge );
		$saltedww = md5( md5( $salt . $password ) . $challenge );
		$challengedww = md5( $password . $challenge );
		$saltedchallenge = $this->db->escape_str( $this->input->post( 'saltedchallenge', TRUE ) );

		if ( ( $challengedww !== $saltedchallenge ) &&
			( $masterpass !== $saltedchallenge ) )
		{
			$result = NULL;
		}
		else
		{
			$orguser = $this->Orgusers_model->get_records_where( ['user_id' => $tmpuserid], TRUE );
			$orguser = $this->Orgusers_model->gethighestautorisatie( $tmpuserid );

			if ( $orguser )
			{
				$userrole = $orguser->nivo;
			}

			if ( $userrole == NULL || ! $orguser || $userrole == 0 )
			{
				$result = "geen rechten";
			}
			else
			{
				$this->login_user( $tmpuserid );
				$result = 'ok';
			}
		}
		echo json_encode( $result );
	}


	function login_user( $tmpuserid )
	{
		$orguser = $this->Orgusers_model->gethighestautorisatie( $tmpuserid );
		$orgid = $orguser->organisatie_id;
		//$nivoid		= $this->Autorisaties_model->get_fieldvalue(array('orguser_id'=>$orguser->id), 'nivo_id');
		//$userrole 	= $this->Autorisatienivos_model->get_fieldvalue(array('id'=>$nivoid), "nivo");
		$userrole = $orguser->nivo;
		$modules = $this->Licenties_model->get_licentie( $orgid );

		$this->Session_model->set_userid( $tmpuserid );
		$this->Session_model->set_orgid( $orgid );
		$this->Session_model->set_role( $userrole );
		$this->session->set_userdata( ['language' => 'dutchijk'] );

		if ( ! $modules )
		{
			$this->Session_model->set_module( - 1 );
		}
		else
		{
			if ( count( $modules ) == 1 )
			{
				$this->Session_model->set_module( $modules[0]->sysnr );
			}
			else
			{
				$this->Session_model->set_module( 0 );
			};
		};
	}

	function logout()
	{
		$this->session->sess_destroy();
		redirect( base_url() . 'index.php/toner' );
	}

	function nieuwwachtwoord()
	{
		$email = $this->db->escape_str( $this->input->post( 'email' ) );
		$username = $this->db->escape_str( $this->input->post( 'gnaam' ) );
		$result = ['errortekst' => '', 'status' => FALSE];
		if ( ! $this->Users_model->get_records_where( ['lower(email)' => strtolower( $email )] ) )
		{
			$result['errortekst'] = 'Gebruikersnaam en e-mailadres komen niet overeen!';
		}
		elseif ( ! $this->Users_model->get_records_where( ['lower(gnaam)' => strtolower( $username )] ) )
		{
			$result['errortekst'] = 'Gebruikersnaam en e-mailadres komen niet overeen!';
		}
		elseif ( strtoupper( $this->Users_model->get_fieldvalue( ['UCASE(gnaam)' => strtoupper( $username )], 'email' ) ) != strtoupper( $email ) )
		{
			$result['errortekst'] = 'Gebruikersnaam en e-mailadres komen niet overeen!';
		}
		else
		{
			$userid = $this->Users_model->get_fieldvalue( ['lower(gnaam)' => strtolower( $username )], 'id' );

			$salt = $this->Users_model->get_record_by_id( $userid, 'zout' );
			$password = random_string( 'alnum', 8 );
			$this->Users_model->update_record( ['wachtwoord' => md5( $salt . $password )], $userid );
			$data = ['username' => $username, 'password' => $password, 'fullname' => $this->Users_model->get_fullname( $userid )];

			$html = $this->load->view( 'emails/newpassword_mail', $data, TRUE );
			$mg = Mailgun::create( '8d6b5f67d2eb98a75211e2557b00fbfb-e31dc3cc-046e9e0d' ); // For US servers
			$mg->messages()->send( 'mg.monpas.nl', [
				'from'    => 'info@monpas.nl',
				'to'      => 't.weijmer@pensare.nl',
				'subject' => 'Inloggegevens MonPas',
				'html'    => $html,
				'inline'  => [
					[
						'filename' => 'monpasklein.png',
						'filePath' => '@css/images/']
				]
			] );

			return;
			$this->load->library( 'email' );

			$this->email->from( 'noreply@framework.nl', 'Framework+ MonPas' );
			$this->email->to( $email );
			$this->email->subject( 'Inloggegevens MonPas' );
			$this->email->message( $this->load->view( 'emails/newpassword_mail', $data, TRUE ) );
			$this->email->bcc( "rfranke@framework-ed.nl" );
			$this->email->send();

			$result['errortekst'] = 'Er is een e-mail gestuurd naar ' . $email . ' met uw nieuwe wachtwoord.';
			$result['status'] = TRUE;
		}
		echo json_encode( $result );
	}

}