<?php
/**
 * Rezeption: one simple, large page for the front desk (arrivals, departures, in house,
 * check-in/out with undo) and an employee profile "Rezeption" that only sees what it needs.
 */

if (!defined('_PS_VERSION_')) {
    exit;
}

class Frontdesk extends Module
{
    /** back-office pages the "Rezeption" profile may open (class name => edit rights) */
    const PROFILE_TABS = array(
        'AdminFrontDesk' => true,
        'AdminOccupancyPlan' => false,
        'AdminHotelReservationSystemManagement' => false, // parent menu of the two above
        'AdminHotelRoomsBooking' => true,                // "Neue Reservierung"
        'AdminParentOrders' => false,
        'AdminOrders' => true,                           // order created from Book Now, details link
        'AdminGuestRegistration' => true,                // Meldeschein / guest registration card
        'AdminCarts' => true,                            // Book Now builds the booking in a cart
        'AdminParentCustomer' => false,
        'AdminCustomers' => true,                        // create the guest during a booking
        'AdminAddresses' => true,
    );

    public function __construct()
    {
        $this->name = 'frontdesk';
        $this->tab = 'administration';
        $this->version = '1.0.0';
        $this->author = 'Zum alten Wasserrad';
        $this->need_instance = 0;
        $this->bootstrap = true;
        parent::__construct();

        $this->displayName = 'Rezeption';
        $this->description = 'Einfache Tagesansicht für die Rezeption: Anreise, Abreise, Im Haus, Ein- und Auschecken mit großen Knöpfen.';
        $this->ps_versions_compliancy = array('min' => '1.6', 'max' => '1.6.99.99');
    }

    public function install()
    {
        return parent::install() && $this->installTab() && $this->installProfile();
    }

    public function uninstall()
    {
        $idTab = (int)Tab::getIdFromClassName('AdminFrontDesk');
        if ($idTab) {
            (new Tab($idTab))->delete();
        }
        return parent::uninstall();
    }

    protected function installTab()
    {
        if (Tab::getIdFromClassName('AdminFrontDesk')) {
            return true;
        }
        $tab = new Tab();
        $tab->class_name = 'AdminFrontDesk';
        $tab->module = $this->name;
        $tab->id_parent = (int)Tab::getIdFromClassName('AdminHotelReservationSystemManagement');
        foreach (Language::getLanguages(false) as $lang) {
            $tab->name[$lang['id_lang']] = 'Rezeption';
        }
        $tab->add(); // returns initAccess(), false on CLI; the tab exists anyway
        if (!$tab->id) {
            return false;
        }
        // first entry of its menu group
        Db::getInstance()->execute('UPDATE `'._DB_PREFIX_.'tab` SET `position` = `position` + 1 WHERE `id_parent` = '.(int)$tab->id_parent.' AND `id_tab` <> '.(int)$tab->id);
        Db::getInstance()->update('tab', array('position' => 0), '`id_tab` = '.(int)$tab->id);
        return true;
    }

    /** Profile "Rezeption" with view/edit only on the pages the front desk needs. */
    public function installProfile()
    {
        $idProfile = (int)Db::getInstance()->getValue('SELECT `id_profile` FROM `'._DB_PREFIX_.'profile_lang` WHERE `name` = \'Rezeption\'');
        if (!$idProfile) {
            $profile = new Profile();
            foreach (Language::getLanguages(false) as $lang) {
                $profile->name[$lang['id_lang']] = 'Rezeption';
            }
            if (!$profile->add()) {
                return false;
            }
            $idProfile = (int)$profile->id;
        }
        // start from "no access" for every page, then open the listed ones
        Db::getInstance()->delete('access', '`id_profile` = '.$idProfile);
        $rows = array();
        foreach (Db::getInstance()->executeS('SELECT `id_tab`, `class_name` FROM `'._DB_PREFIX_.'tab`') as $t) {
            $allowed = array_key_exists($t['class_name'], self::PROFILE_TABS);
            $edit = $allowed && self::PROFILE_TABS[$t['class_name']];
            $rows[] = array('id_profile' => $idProfile, 'id_tab' => (int)$t['id_tab'], 'view' => (int)$allowed,
                'add' => (int)$edit, 'edit' => (int)$edit, 'delete' => 0, 'kpi' => 0);
        }
        return Db::getInstance()->insert('access', $rows);
    }

    public function getContent()
    {
        Tools::redirectAdmin($this->context->link->getAdminLink('AdminFrontDesk'));
    }
}