<?php
/**
 * For the full copyright and license information, please view the
 * docs/licenses/LICENSE.txt file that was distributed with this source code.
 */

use PrestaShop\PrestaShop\Core\Security\Permission;

/**
 * Class TabCore.
 */
class TabCore extends ObjectModel
{
    /** @var string|array<int, string> Displayed name */
    public $name;

    /** @var string Class and file name */
    public $class_name;

    /** @var string Route name for Symfony */
    public $route_name;

    public $module;

    /** @var int parent ID */
    public $id_parent;

    /** @var int position */
    public $position;

    /** @var bool active */
    public $active = true;

    /** @var bool enabled */
    public $enabled = true;

    /** @var string Icon font */
    public $icon;

    /** @var string|null Wording to use for the display name */
    public $wording;

    /** @var string|null Wording domain to use for the display name */
    public $wording_domain;

    /**
     * @see ObjectModel::$definition
     */
    public static $definition = [
        'table' => 'tab',
        'primary' => 'id_tab',
        'multilang' => true,
        'fields' => [
            'id_parent' => ['type' => self::TYPE_INT, 'validate' => 'isInt'],
            'position' => ['type' => self::TYPE_INT, 'validate' => 'isUnsignedInt'],
            'module' => ['type' => self::TYPE_STRING, 'validate' => 'isTabName', 'size' => 64],
            'class_name' => ['type' => self::TYPE_STRING, 'required' => true, 'size' => 64],
            'route_name' => ['type' => self::TYPE_STRING, 'required' => false, 'size' => 256],
            'active' => ['type' => self::TYPE_BOOL, 'validate' => 'isBool'],
            'enabled' => ['type' => self::TYPE_BOOL, 'validate' => 'isBool'],
            'icon' => ['type' => self::TYPE_STRING, 'size' => 64],
            'wording' => ['type' => self::TYPE_STRING, 'validate' => 'isString', 'allow_null' => true, 'size' => 255],
            'wording_domain' => ['type' => self::TYPE_STRING, 'validate' => 'isString', 'allow_null' => true, 'size' => 255],
            /* Lang fields */
            'name' => ['type' => self::TYPE_STRING, 'lang' => true, 'required' => true, 'validate' => 'isTabName', 'size' => 128],
        ],
    ];

    protected static $_getIdFromClassName = null;

    /**
     * Additional treatments for Tab when creating new one:
     * - generate a new position
     * - add access for admin profile.
     *
     * @param bool $autoDate
     * @param bool $nullValues
     *
     * @return bool true if success
     */
    public function add($autoDate = true, $nullValues = false)
    {
        self::$_cache_tabs = [];

        // Set good position for new tab
        $this->position = Tab::getNewLastPosition($this->id_parent);
        $this->module = Tools::strtolower($this->module);

        // Add tab
        if (parent::add($autoDate, $nullValues)) {
            // forces cache to be reloaded
            self::$_getIdFromClassName = null;

            return Tab::initAccess($this->id);
        }

        return false;
    }

    /**
     * @param bool $nullValues
     * @param bool $autoDate
     *
     * @return bool
     */
    public function save($nullValues = false, $autoDate = true)
    {
        self::$_getIdFromClassName = null;

        return parent::save();
    }

    /** When creating a new tab $id_tab, this add default rights to the table access
     *
     * @todo this should not be public static but protected
     *
     * @param int $idTab
     * @param Context $context
     *
     * @return bool true if succeed
     */
    public static function initAccess($idTab, ?Context $context = null)
    {
        if (!$context) {
            $context = Context::getContext();
        }

        /* Right management */
        $slug = Permission::PREFIX_TAB . strtoupper(self::getClassNameById($idTab));

        foreach (['CREATE', 'READ', 'UPDATE', 'DELETE'] as $action) {
            /*
             * Check if authorization role does not exist.
             * This can happen if you want to create several tabs with the same class_name or route_name
             */
            $actionSlug = pSQL($slug . '_' . $action);
            $authorizationRole = Db::getInstance()->getRow(
                'SELECT slug FROM `' . _DB_PREFIX_ . 'authorization_role` ' .
                'WHERE `slug` = "' . $actionSlug . '"'
            );
            if (empty($authorizationRole)) {
                Db::getInstance()->execute(
                    'INSERT INTO `' . _DB_PREFIX_ . 'authorization_role` (`slug`) VALUES ("' . $actionSlug . '")'
                );
            }
        }

        $access = new Access();
        foreach (['view', 'add', 'edit', 'delete'] as $action) {
            $access->updateLgcAccess(1, $idTab, $action, true);

            if ($context->employee && $context->employee->id_profile) {
                $access->updateLgcAccess($context->employee->id_profile, $idTab, $action, true);
            }
        }

        return true;
    }

    public function delete()
    {
        if (parent::delete()) {
            $slug = Permission::PREFIX_TAB . strtoupper($this->class_name);

            foreach (['CREATE', 'READ', 'UPDATE', 'DELETE'] as $action) {
                Db::getInstance()->execute('DELETE FROM `' . _DB_PREFIX_ . 'authorization_role` WHERE `slug` = "' . $slug . '_' . $action . '"');
            }

            if (is_array(self::$_getIdFromClassName) && isset(self::$_getIdFromClassName[strtolower($this->class_name)])) {
                self::$_getIdFromClassName = null;
            }

            return $this->cleanPositions($this->id_parent);
        }

        return false;
    }

    /**
     * reset static cache (eg unit testing purpose).
     */
    public static function resetStaticCache()
    {
        self::$_getIdFromClassName = null;
    }

    public static function resetTabCache()
    {
        self::$_cache_tabs = [];
    }

    /**
     * Get tab id.
     *
     * @return int tab id
     */
    public static function getCurrentTabId()
    {
        $idTab = Tab::getIdFromClassName(Tools::getValue('controller'));
        // retro-compatibility 1.4/1.5
        if (empty($idTab)) {
            $idTab = Tab::getIdFromClassName(Tools::getValue('tab'));
        }

        return $idTab;
    }

    /**
     * Get tab parent id.
     *
     * @return int tab parent id
     */
    public static function getCurrentParentId()
    {
        $cacheId = 'getCurrentParentId_' . Tools::strtolower(Tools::getValue('controller'));
        if (!Cache::isStored($cacheId)) {
            $value = (int) Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
			SELECT `id_parent`
			FROM `' . _DB_PREFIX_ . 'tab`
			WHERE LOWER(class_name) = \'' . pSQL(Tools::strtolower(Tools::getValue('controller'))) . '\'');
            if (!$value) {
                $value = -1;
            }
            Cache::store($cacheId, $value);

            return $value;
        }

        return Cache::retrieve($cacheId);
    }

    /**
     * Get tab.
     *
     * @return array tab
     */
    public static function getTab($idLang, $idTab)
    {
        $cacheId = 'Tab::getTab_' . (int) $idLang . '-' . (int) $idTab;
        if (!Cache::isStored($cacheId)) {
            /* Tabs selection */
            $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow(
                'SELECT *
				FROM `' . _DB_PREFIX_ . 'tab` t
				LEFT JOIN `' . _DB_PREFIX_ . 'tab_lang` tl ON (t.`id_tab` = tl.`id_tab` AND tl.`id_lang` = ' . (int) $idLang . ')
				WHERE t.`id_tab` = ' . (int) $idTab
            );
            Cache::store($cacheId, $result);

            return $result;
        }

        return Cache::retrieve($cacheId);
    }

    /**
     * Return the list of tab used by a module.
     *
     * @return array
     */
    public static function getModuleTabList()
    {
        $list = [];

        $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('
			SELECT t.`class_name`, t.`module`
			FROM `' . _DB_PREFIX_ . 'tab` t
			WHERE t.`module` IS NOT NULL AND t.`module` != ""');

        if (is_array($result)) {
            foreach ($result as $detail) {
                $list[strtolower($detail['class_name'])] = $detail;
            }
        }

        return $list;
    }

    /**
     * Get tabs.
     *
     * @return array tabs
     */
    protected static $_cache_tabs = [];

    public static function getTabs($idLang, $idParent = null)
    {
        if (!isset(self::$_cache_tabs[$idLang])) {
            self::$_cache_tabs[$idLang] = [];
            // Keep t.*, tl.name instead of only * because if translations are missing, the join on tab_lang will overwrite the id_tab in the results
            $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS(
                '
				SELECT t.*, tl.name
				FROM `' . _DB_PREFIX_ . 'tab` t
				LEFT JOIN `' . _DB_PREFIX_ . 'tab_lang` tl ON (t.`id_tab` = tl.`id_tab` AND tl.`id_lang` = ' . (int) $idLang . ')
				ORDER BY t.`position` ASC'
            );

            if (is_array($result)) {
                foreach ($result as $row) {
                    if (!isset(self::$_cache_tabs[$idLang][$row['id_parent']])) {
                        self::$_cache_tabs[$idLang][$row['id_parent']] = [];
                    }
                    self::$_cache_tabs[$idLang][$row['id_parent']][] = $row;
                }
            }
        }
        if ($idParent === null) {
            $arrayAll = [];
            foreach (self::$_cache_tabs[$idLang] as $arrayParent) {
                $arrayAll = array_merge($arrayAll, $arrayParent);
            }

            return $arrayAll;
        }

        return isset(self::$_cache_tabs[$idLang][$idParent]) ? self::$_cache_tabs[$idLang][$idParent] : [];
    }

    /**
     * Get tab id from name.
     *
     * @deprecated since version 1.7.1.0, available now in PrestaShopBundle\Entity\Repository\TabRepository::findOneIdByClassName($className)
     *
     * @param string $className
     *
     * @return int|false Tab ID
     */
    public static function getIdFromClassName($className)
    {
        $className = strtolower($className);
        if (empty(self::$_getIdFromClassName)) {
            self::$_getIdFromClassName = [];
            $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('SELECT id_tab, class_name FROM `' . _DB_PREFIX_ . 'tab`', true, false);

            if (is_array($result)) {
                foreach ($result as $row) {
                    self::$_getIdFromClassName[strtolower($row['class_name'])] = $row['id_tab'];
                }
            }
        }

        return isset(self::$_getIdFromClassName[$className]) ? (int) self::$_getIdFromClassName[$className] : false;
    }

    /**
     * Get collection from module name.
     *
     * @param string $module Module name
     * @param int|null $idLang integer Language ID
     *
     * @return array|PrestaShopCollection Collection of tabs (or empty array)
     */
    public static function getCollectionFromModule($module, $idLang = null)
    {
        if (null === $idLang) {
            $idLang = Context::getContext()->language->id;
        }

        if (!Validate::isModuleName($module)) {
            return [];
        }

        $tabs = new PrestaShopCollection('Tab', (int) $idLang);
        $tabs->where('module', '=', $module);

        return $tabs;
    }

    /**
     * Enabling tabs for module.
     *
     * @param string $module Module Name
     *
     * @return bool Status
     */
    public static function enablingForModule($module)
    {
        $tabs = Tab::getCollectionFromModule($module);
        if (!empty($tabs)) {
            foreach ($tabs as $tab) {
                $tab->active = 1;
                $tab->save();
            }

            return true;
        }

        return false;
    }

    /**
     * Disabling tabs for module.
     *
     * @param string $module Module name
     *
     * @return bool Status
     */
    public static function disablingForModule($module)
    {
        $tabs = Tab::getCollectionFromModule($module);
        if (!empty($tabs)) {
            foreach ($tabs as $tab) {
                $tab->active = 0;
                $tab->save();
            }

            return true;
        }

        return false;
    }

    /**
     * Get Instance from tab class name.
     *
     * @param string $className Name of tab class
     * @param int|null $idLang id_lang
     *
     * @return Tab Tab object (empty if bad id or class name)
     */
    public static function getInstanceFromClassName($className, $idLang = null)
    {
        $idTab = (int) Tab::getIdFromClassName($className);

        return new Tab($idTab, $idLang);
    }

    public static function getNbTabs($idParent = null)
    {
        return (int) Db::getInstance()->getValue(
            '
			SELECT COUNT(*)
			FROM `' . _DB_PREFIX_ . 'tab` t
			' . (null !== $idParent ? 'WHERE t.`id_parent` = ' . (int) $idParent : '')
        );
    }

    /**
     * return an available position in subtab for parent $id_parent.
     *
     * @param mixed $idParent
     *
     * @return int
     */
    public static function getNewLastPosition($idParent)
    {
        return (int) Db::getInstance()->getValue(
            'SELECT IFNULL(MAX(position), 0) + 1
			FROM `' . _DB_PREFIX_ . 'tab`
			WHERE `id_parent` = ' . (int) $idParent
        );
    }

    public function move($direction)
    {
        $nbTabs = Tab::getNbTabs($this->id_parent);
        if ($direction != 'l' && $direction != 'r') {
            return false;
        }
        if ($nbTabs <= 1) {
            return false;
        }
        if ($direction == 'l' && $this->position <= 1) {
            return false;
        }
        if ($direction == 'r' && $this->position >= $nbTabs) {
            return false;
        }

        $newPosition = ($direction == 'l') ? $this->position - 1 : $this->position + 1;
        Db::getInstance()->execute(
            '
			UPDATE `' . _DB_PREFIX_ . 'tab` t
			SET position = ' . (int) $this->position . '
			WHERE id_parent = ' . (int) $this->id_parent . '
				AND position = ' . (int) $newPosition
        );
        $this->position = $newPosition;

        return $this->update();
    }

    /**
     * Clean positions.
     *
     * @param int $idParent Parent ID
     *
     * @return bool
     */
    public function cleanPositions($idParent)
    {
        $result = Db::getInstance()->executeS('
			SELECT `id_tab`
			FROM `' . _DB_PREFIX_ . 'tab`
			WHERE `id_parent` = ' . (int) $idParent . '
			ORDER BY `position`
		');
        $sizeof = count($result);
        for ($i = 0; $i < $sizeof; ++$i) {
            Db::getInstance()->execute(
                '
				UPDATE `' . _DB_PREFIX_ . 'tab`
				SET `position` = ' . ($i + 1) . '
				WHERE `id_tab` = ' . (int) $result[$i]['id_tab']
            );
        }

        return true;
    }

    /**
     * Update position.
     *
     * @param bool $way
     * @param int $position
     *
     * @return bool
     */
    public function updatePosition($way, $position)
    {
        if (!$res = Db::getInstance()->executeS(
            '
			SELECT t.`id_tab`, t.`position`, t.`id_parent`
			FROM `' . _DB_PREFIX_ . 'tab` t
			WHERE t.`id_parent` = ' . (int) $this->id_parent . '
			ORDER BY t.`position` ASC'
        )) {
            return false;
        }

        foreach ($res as $tab) {
            if ((int) $tab['id_tab'] == (int) $this->id) {
                $movedTab = $tab;
            }
        }

        if (!isset($movedTab)) {
            return false;
        }
        // < and > statements rather than BETWEEN operator
        // since BETWEEN is treated differently according to databases
        $result = (Db::getInstance()->execute('
			UPDATE `' . _DB_PREFIX_ . 'tab`
			SET `position`= `position` ' . ($way ? '- 1' : '+ 1') . '
			WHERE `position`
			' . ($way
                ? '> ' . (int) $movedTab['position'] . ' AND `position` <= ' . (int) $position
                : '< ' . (int) $movedTab['position'] . ' AND `position` >= ' . (int) $position) . '
			AND `id_parent`=' . (int) $movedTab['id_parent'])
        && Db::getInstance()->execute('
			UPDATE `' . _DB_PREFIX_ . 'tab`
			SET `position` = ' . (int) $position . '
			WHERE `id_parent` = ' . (int) $movedTab['id_parent'] . '
			AND `id_tab`=' . (int) $movedTab['id_tab']));

        return $result;
    }

    /**
     * Check Tab rights.
     *
     * @param int $idTab Tab ID
     *
     * @return bool Current employee has access to tab
     */
    public static function checkTabRights($idTab)
    {
        static $tabAccesses = null;

        if (Context::getContext()->employee->id_profile == _PS_ADMIN_PROFILE_) {
            return true;
        }

        if ($tabAccesses === null) {
            $tabAccesses = Profile::getProfileAccesses(Context::getContext()->employee->id_profile);
        }

        if (isset($tabAccesses[(int) $idTab]['view'])) {
            return $tabAccesses[(int) $idTab]['view'] === '1';
        }

        return false;
    }

    public static function recursiveTab($idTab, $tabs)
    {
        $adminTab = Tab::getTab((int) Context::getContext()->language->id, $idTab);
        $tabs[] = $adminTab;
        if (!empty($adminTab['id_parent'])) {
            $tabs = Tab::recursiveTab($adminTab['id_parent'], $tabs);
        }

        return $tabs;
    }

    /**
     * Overrides update to set position to last when changing parent tab.
     *
     * @see ObjectModel::update
     *
     * @param bool $nullValues
     *
     * @return bool
     */
    public function update($nullValues = false)
    {
        $current_tab = new Tab($this->id);
        if ($current_tab->id_parent != $this->id_parent) {
            $this->position = Tab::getNewLastPosition($this->id_parent);
        }

        self::$_cache_tabs = [];

        return parent::update($nullValues);
    }

    public static function getClassNameById($idTab)
    {
        return Db::getInstance()->getValue('SELECT class_name FROM ' . _DB_PREFIX_ . 'tab WHERE id_tab = ' . (int) $idTab);
    }
}
