<?php
/**
 * Copyright © 2016 Magento. All rights reserved.
 * See COPYING.txt for license details.
 */

/**
 * Coverage of obsolete nodes in layout
 */
namespace Magento\Test\Legacy;

use Magento\Framework\Component\ComponentRegistrar;

class LayoutTest extends \PHPUnit_Framework_TestCase
{
    /**
     * List of obsolete nodes
     *
     * @var array
     */
    protected $_obsoleteNodes = [
        'PRODUCT_TYPE_simple',
        'PRODUCT_TYPE_configurable',
        'PRODUCT_TYPE_grouped',
        'PRODUCT_TYPE_bundle',
        'PRODUCT_TYPE_virtual',
        'PRODUCT_TYPE_downloadable',
        'PRODUCT_TYPE_giftcard',
        'catalog_category_default',
        'catalog_category_layered',
        'catalog_category_layered_nochildren',
        'customer_logged_in',
        'customer_logged_out',
        'customer_logged_in_psc_handle',
        'customer_logged_out_psc_handle',
        'cms_page',
        'sku_failed_products_handle',
        'catalog_product_send',
        'reference',
    ];

    /**
     * List of obsolete references per handle
     *
     * @var array
     */
    protected $_obsoleteReferences = [
        'adminhtml_user_edit' => [
            'adminhtml.permissions.user.edit.tabs',
            'adminhtml.permission.user.edit.tabs',
            'adminhtml.permissions.user.edit',
            'adminhtml.permission.user.edit',
            'adminhtml.permissions.user.roles.grid.js',
            'adminhtml.permission.user.roles.grid.js',
            'adminhtml.permissions.user.edit.tab.roles',
            'adminhtml.permissions.user.edit.tab.roles.js',
        ],
        'adminhtml_user_role_index' => [
            'adminhtml.permission.role.index',
            'adminhtml.permissions.role.index',
            'adminhtml.permissions.role.grid',
        ],
        'adminhtml_user_role_rolegrid' => ['adminhtml.permission.role.grid', 'adminhtml.permissions.role.grid'],
        'adminhtml_user_role_editrole' => [
            'adminhtml.permissions.editroles',
            'adminhtml.permissions.tab.rolesedit',
            'adminhtml.permission.roles.users.grid.js',
            'adminhtml.permissions.roles.users.grid.js',
            'adminhtml.permission.role.buttons',
            'adminhtml.permissions.role.buttons',
            'adminhtml.permission.role.edit.gws',
        ],
        'adminhtml_user_role_editrolegrid' => [
            'adminhtml.permission.role.grid.user',
            'adminhtml.permissions.role.grid.user',
        ],
        'adminhtml_user_index' => ['adminhtml.permission.user.index', 'adminhtml.permissions.user.index'],
        'adminhtml_user_rolegrid' => [
            'adminhtml.permissions.user.rolegrid',
            'adminhtml.permission.user.rolegrid',
        ],
        'adminhtml_user_rolesgrid' => [
            'adminhtml.permissions.user.rolesgrid',
            'adminhtml.permission.user.rolesgrid',
        ],
    ];

    public function testLayoutFile()
    {
        $invoker = new \Magento\Framework\App\Utility\AggregateInvoker($this);
        $invoker(
            /**
             * @param string $layoutFile
             */
            function ($layoutFile) {
                $layoutXml = simplexml_load_file($layoutFile);

                $this->_testObsoleteReferences($layoutXml);
                $this->_testObsoleteAttributes($layoutXml);

                $selectorHeadBlock = '(name()="block" or name()="referenceBlock") and ' .
                    '(@name="head" or @name="convert_root_head" or @name="vde_head")';
                $this->assertSame(
                    [],
                    $layoutXml->xpath(
                        '//block[@class="Magento\Theme\Block\Html\Head\Css" ' .
                        'or @class="Magento\Theme\Block\Html\Head\Link" ' .
                        'or @class="Magento\Theme\Block\Html\Head\Script"]' .
                        '/parent::*[not(' .
                        $selectorHeadBlock .
                        ')]'
                    ),
                    'Blocks \Magento\Theme\Block\Html\Head\{Css,Link,Script} ' .
                    'are allowed within the "head" block only. ' .
                    'Verify integrity of the nodes nesting.'
                );
                $this->assertSame(
                    [],
                    $layoutXml->xpath('/layout//*[@output="toHtml"]'),
                    'output="toHtml" is obsolete. Use output="1"'
                );
                foreach ($layoutXml as $handle) {
                    $this->assertNotContains(
                        (string)$handle['id'],
                        $this->_obsoleteNodes,
                        'This layout handle is obsolete.'
                    );
                }
                foreach ($layoutXml->xpath('@helper') as $action) {
                    $this->assertNotContains('/', $action->getAttribute('helper'));
                    $this->assertContains('::', $action->getAttribute('helper'));
                }

                $componentRegistrar = new ComponentRegistrar();
                if (false !== strpos(
                    $layoutFile,
                    $componentRegistrar->getPath(ComponentRegistrar::MODULE, 'Magento_Sales')
                    . '/view/adminhtml/layout/sales_order'
                ) || false !== strpos(
                    $layoutFile,
                    $componentRegistrar->getPath(ComponentRegistrar::MODULE, 'Magento_Shipping')
                    . '/view/adminhtml/layout/adminhtml_order'
                )
                ) {
                    $this->markTestIncomplete(
                        "The file {$layoutFile} has to use \\Magento\\Core\\Block\\Text\\List, \n" .
                        'there is no solution to get rid of it right now.'
                    );
                }
                $this->assertSame(
                    [],
                    $layoutXml->xpath('/layout//block[@class="Magento\Framework\View\Element\Text\ListText"]'),
                    'The class \Magento\Framework\View\Element\Text\ListTest' .
                    ' is not supposed to be used in layout anymore.'
                );
            },
            \Magento\Framework\App\Utility\Files::init()->getLayoutFiles()
        );
    }

    /**
     * @param SimpleXMLElement $layoutXml
     */
    protected function _testObsoleteReferences($layoutXml)
    {
        foreach ($layoutXml as $handle) {
            if (isset($this->_obsoleteReferences[$handle->getName()])) {
                foreach ($handle->xpath('reference') as $reference) {
                    $this->assertNotContains(
                        (string)$reference['name'],
                        $this->_obsoleteReferences[$handle->getName()],
                        'The block being referenced is removed.'
                    );
                }
            }
        }
    }

    /**
     * Tests the attributes of the top-level Layout Node.
     * Verifies there are no longer attributes of "parent" or "owner"
     *
     * @param SimpleXMLElement $layoutXml
     */
    protected function _testObsoleteAttributes($layoutXml)
    {
        $issues = [];
        $type = $layoutXml['type'];
        $parent = $layoutXml['parent'];
        $owner = $layoutXml['owner'];

        if ((string)$type === 'page') {
            if ($parent) {
                $issues[] = 'Attribute "parent" is not valid';
            }
        }
        if ((string)$type === 'fragment') {
            if ($owner) {
                $issues[] = 'Attribute "owner" is not valid';
            }
        }
        if ($issues) {
            $this->fail("Issues found in handle declaration:\n" . implode("\n", $issues) . "\n");
        }
    }

    public function testActionNodeMethods()
    {
        $invoker = new \Magento\Framework\App\Utility\AggregateInvoker($this);
        $invoker(
            /**
             * @param string $layoutFile
             */
            function ($layoutFile) {
                $layoutXml = simplexml_load_file($layoutFile);
                $methodFilter = '@method!="' . implode('" and @method!="', $this->getAllowedActionNodeMethods()) . '"';
                foreach ($layoutXml->xpath('//action[' . $methodFilter . ']') as $node) {
                    $attributes = $node->attributes();
                    $this->fail(
                        sprintf(
                            'Call of method "%s" via layout instruction <action> is not allowed.',
                            $attributes['method']
                        )
                    );
                }
            },
            \Magento\Framework\App\Utility\Files::init()->getLayoutFiles()
        );
    }

    /**
     * List of currently allowed (i.e. not refactored yet) methods for use in <action method="someMethod"/> layout
     *  instruction.
     *
     * @SuppressWarnings(PHPMD.ExcessiveMethodLength)
     * Temporary method existing until <action> instruction in layout is not eliminated, no need to split it.
     *
     * @return string[]
     */
    public function getAllowedActionNodeMethods()
    {
        return [
            'addBodyClass',
            'addButtons',
            'addColumnCountLayoutDepend',
            'addCrumb',
            'addDatabaseBlock',
            'addInputTypeTemplate',
            'addNotice',
            'addReportTypeOption',
            'addTab',
            'addTabAfter',
            'addText',
            'append',
            'removeTab',
            'setActive',
            'setAddressType',
            'setAfterCondition',
            'setAfterTotal',
            'setAtCall',
            'setAtCode',
            'setAtLabel',
            'setAuthenticationStartMode',
            'setBeforeCondition',
            'setBlockId',
            'setBugreportUrl',
            'setCanLoadExtJs',
            'setCanLoadRulesJs',
            'setCanLoadTinyMce',
            'setClassName',
            'setColClass',
            'setColumnCount',
            'setColumnsLimit',
            'setCssClass',
            'setDefaultFilter',
            'setDefaultStoreName',
            'setDestElementId',
            'setDisplayArea',
            'setDontDisplayContainer',
            'setEmptyGridMessage',
            'setEntityModelClass',
            'setFieldOption',
            'setFieldVisibility',
            'setFormCode',
            'setFormId',
            'setFormPrefix',
            'setGiftRegistryTemplate',
            'setGiftRegistryUrl',
            'setGridHtmlClass',
            'setGridHtmlCss',
            'setGridHtmlId',
            'setHeaderTitle',
            'setHideBalance',
            'setHideLink',
            'setHideRequiredNotice',
            'setHtmlClass',
            'setId',
            'setImageType',
            'setImgAlt',
            'setImgHeight',
            'setImgSrc',
            'setImgWidth',
            'setInList',
            'setInfoTemplate',
            'setIsCollapsed',
            'setIsDisabled',
            'setIsEnabled',
            'setIsGuestNote',
            'setIsHandle',
            'setIsLinkMode',
            'setIsPlaneMode',
            'setIsTitleHidden',
            'setIsViewCurrent',
            'setItemLimit',
            'setLabel',
            'setLabelProperties',
            'setLayoutCode',
            'setLinkUrl',
            'setListCollection',
            'setListModes',
            'setListOrders',
            'setMAPTemplate',
            'setMethodFormTemplate',
            'setMyClass',
            'setPageLayout',
            'setPageTitle',
            'setParentType',
            'setControllerPath',
            'setPosition',
            'setPositioned',
            'setRewardMessage',
            'setRewardQtyLimitationMessage',
            'setShouldPrepareInfoTabs',
            'setShowPart',
            'setSignupLabel',
            'setSourceField',
            'setStoreVarName',
            'setStrong',
            'setTemplate',
            'setText',
            'setThemeName',
            'setTierPriceTemplate',
            'setTitle',
            'setTitleClass',
            'setTitleId',
            'setToolbarBlockName',
            'setType',
            'setUseConfirm',
            'setValueProperties',
            'setViewAction',
            'setViewColumn',
            'setViewLabel',
            'setViewMode',
            'setWrapperClass',
            'unsetChild',
            'unsetChildren',
            'updateButton',
            'setIsProductListingContext'
        ];
    }
}
