<?php

namespace Opentalent\OtAdmin\Controller;

use Opentalent\OtTemplating\Domain\Model\Organization;
use Opentalent\OtTemplating\Domain\Repository\OrganizationRepository;
use Opentalent\OtTemplating\Exception\ApiRequestException;
use Psr\Log\LoggerAwareInterface;
use Symfony\Component\Yaml\Yaml;
use TYPO3\CMS\Core\Database\ConnectionPool;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Extbase\Mvc\Controller\ActionController;
use TYPO3\CMS\Extbase\Object\ObjectManager;


/**
 * The SiteController implements some admin-only operations
 * on Typo3 websites, like creation or update.
 */
class SiteController extends ActionController
{
    // Templates names
    const TEMPLATE_HOME = "OpenTalent.OtTemplating->home";
    const TEMPLATE_1COL = "OpenTalent.OtTemplating->1Col";
    const TEMPLATE_3COL = "OpenTalent.OtTemplating->home";
    const TEMPLATE_EVENTS = "OpenTalent.OtTemplating->events";
    const TEMPLATE_STRUCTURESEVENTS = "OpenTalent.OtTemplating->structuresEvents";
    const TEMPLATE_STRUCTURES = "OpenTalent.OtTemplating->structures";
    const TEMPLATE_CONTACT = "OpenTalent.OtTemplating->contact";
    const TEMPLATE_NEWS = "OpenTalent.OtTemplating->news";
    const TEMPLATE_MEMBERS = "OpenTalent.OtTemplating->members";
    const TEMPLATE_MEMBERSCA = "OpenTalent.OtTemplating->membersCa";
    const TEMPLATE_E404 = "OpenTalent.OtTemplating->e404";

    // Pages dokType values
    const DOK_PAGE = 1;
    const DOK_SHORTCUT = 4;
    const DOK_FOLDER = 116;

    // Contents CTypes
    const CTYPE_TEXT = 'text';
    const CTYPE_IMAGE = 'image';
    const CTYPE_TEXTPIC = 'textpic';
    const CTYPE_TEXTMEDIA = 'textmedia';
    const CTYPE_HTML = 'html';
    const CTYPE_HEADER = 'header';
    const CTYPE_UPLOADS = 'uploads';
    const CTYPE_LIST = 'list';
    const CTYPE_SITEMAP = 'menu_sitemap';

//    const DEFAULT_ROOT_PID = 134833;
    const DEFAULT_ROOT_PID = 11;

    // Default values
    const DEFAULT_THEME = 'Classic';
    const DEFAULT_COLOR = 'light-blue';

    /**
     * Doctrine connection pool
     * @var object|LoggerAwareInterface|\TYPO3\CMS\Core\SingletonInterface
     */
    private $cnnPool;

    /**
     * Index of the pages created
     * >> [slug => uid]
     * @var array
     */
    private $createdPagesIndex;

    public function __construct()
    {
        parent::__construct();
        $this->cnnPool = GeneralUtility::makeInstance(ConnectionPool::class);
        $this->createdPagesIndex = [];
    }

    /**
     * Creates a new website for the given organization, and
     * returns the root page uid of the newly created site
     *
     * @param int $organizationId
     * @return int Uid of the root page of the newly created website
     * @throws \RuntimeException
     */
    public function createSiteAction(int $organizationId) {

        // ** Get the organization object from the Opentalent API
        $manager = GeneralUtility::makeInstance(ObjectManager::class);
        $organizationRepository = GeneralUtility::makeInstance(
            OrganizationRepository::class,
            $manager
        );
        try {
            $organization = $organizationRepository->findById($organizationId);
        } catch (ApiRequestException $e) {
            throw new \RuntimeException('Unable to fetch the organization with id: ' . $organizationId);
        }

        // ** Test the existence of a website with this name and or organization id

        // Is there a site with this organization's name?
        $queryBuilder = $this->cnnPool->getQueryBuilderForTable('pages');
        $queryBuilder
            ->select('uid')
            ->from('pages')
            ->where($queryBuilder->expr()->eq('title', $queryBuilder->createNamedParameter($organization->getName())))
            ->andWhere('is_siteroot=1');
        $statement = $queryBuilder->execute();

        if ($statement->rowCount() > 0) {
            throw new \RuntimeException('A website with this name already exists: ' . $organization->getName());
        }

        // Is there a site with this organization's id?
        $queryBuilder = $this->cnnPool->getQueryBuilderForTable('pages');
        $statement = $queryBuilder
            ->select('uid')
            ->from('pages')
            ->where($queryBuilder->expr()->eq('tx_opentalent_structure_id', $queryBuilder->createNamedParameter($organization->getId())))
            ->andWhere('is_siteroot=1')
            ->execute();
        if ($statement->rowCount() > 0) {
            throw new \RuntimeException("A website with this organization's id already exists: " . $organization->getName());
        }

        // ** Create the new website

        // start transactions
        $tables = ['be_users', 'pages', 'sys_domain', 'sys_template', 'tt_content'];
        foreach ($tables as $table) {
            $this->cnnPool->getConnectionForTable($table)->beginTransaction();
        }

        $pages = [];

        try {
            // Create the site pages:
            // > Root page
            $rootUid = $this->insertRootPage($organization);

            // > 'Accueil' shortcut
            $this->insertPage(
                $organization,
                $rootUid,
                'Accueil',
                '/accueil',
                '',
                [
                    'dokType' => self::DOK_SHORTCUT,
                    'shortcut' => $rootUid
                ]
            );

            // > 'Présentation' page
            $this->insertPage(
                $organization,
                $rootUid,
                'Présentation',
                '/presentation'
            );

            // > 'Présentation > Qui sommes nous?' page (hidden by default)
            $this->insertPage(
                $organization,
                $this->createdPagesIndex['/presentation'],
                'Qui sommes nous?',
                '/qui-sommes-nous',
                '',
                ['hidden' => 1]
            );

            // > 'Présentation > Les adhérents' page
            $this->insertPage(
                $organization,
                $this->createdPagesIndex['/presentation'],
                'Les adhérents',
                '/les-adherents',
                self::TEMPLATE_MEMBERS
            );

            // > 'Présentation > Les membres du CA' page
            $this->insertPage(
                $organization,
                $this->createdPagesIndex['/presentation'],
                'Les membres du CA',
                '/les-membres-du-ca',
                self::TEMPLATE_MEMBERSCA
            );

            // > 'Présentation > Historique' page (hidden by default)
            $this->insertPage(
                $organization,
                $this->createdPagesIndex['/presentation'],
                'Historique',
                '/historique',
                '',
                ['hidden' => 1]
            );

            // > 'Actualités' page (hidden by default)
            $this->insertPage(
                $organization,
                $rootUid,
                'Actualités',
                '/actualites',
                self::TEMPLATE_NEWS
            );

            // > 'Saison en cours' page
            $this->insertPage(
                $organization,
                $rootUid,
                'Saison en cours',
                '/saison-en-cours'
            );

            // > 'Saison en cours > Les évènements' page
            $this->insertPage(
                $organization,
                $this->createdPagesIndex['/saison-en-cours'],
                'Les évènements',
                '/les-evenements',
                self::TEMPLATE_EVENTS
            );

            // > 'Vie interne' page (restricted, hidden by default)
            $this->insertPage(
                $organization,
                $rootUid,
                'Vie interne',
                '/vie-interne',
                '',
                [
                    'hidden' => 1,
                    'fe_group' => -2
                ]
            );

            // > 'Footer' page (not in the menu)
            $this->insertPage(
                $organization,
                $rootUid,
                'Footer',
                '/footer',
                '',
                [
                    'dokType' => self::DOK_FOLDER,
                    'nav_hide' => 1
                ]
            );

            // > 'Footer > Contact' page
            $this->insertPage(
                $organization,
                $this->createdPagesIndex['/footer'],
                'Contact',
                '/contact',
                self::TEMPLATE_CONTACT
            );

            // > 'Footer > Plan du site' page
            $this->insertPage(
                $organization,
                $this->createdPagesIndex['/footer'],
                'Plan du site',
                '/plan-du-site'
            );

            // > 'Footer > Mentions légales' page
            $this->insertPage(
                $organization,
                $this->createdPagesIndex['/footer'],
                'Mentions légales',
                '/mentions-legales'
            );

            // > 'Page introuvable' page (not in the menu, read-only)
            $this->insertPage(
                $organization,
                $rootUid,
                'Page introuvable',
                '/page-introuvable',
                self::TEMPLATE_E404,
                [
                    'nav_hide' => 1,
                    'no_search' => 1
                ]
            );

            // Add content to these pages

            // >> root page content
            $this->insertContent(
                $rootUid,
                self::CTYPE_TEXTPIC,
                '<h1>Bienvenue sur le site de ' . $organization->getName() . '.</h1>',
                0
            );

            // >> page 'qui sommes nous?'
            $this->insertContent(
                $this->createdPagesIndex['/qui-sommes-nous'],
                self::CTYPE_TEXT,
                'Qui sommes nous ...',
                0
            );

            // >> page 'historique'
            $this->insertContent(
                $this->createdPagesIndex['/historique'],
                self::CTYPE_TEXT,
                "Un peu d'histoire ...",
                0
            );

            // >> page 'plan du site'
            $this->insertContent(
                $this->createdPagesIndex['/plan-du-site'],
                self::CTYPE_SITEMAP
            );

            // >> page 'mentions légales'
            $this->insertContent(
                $this->createdPagesIndex['/mentions-legales'],
                self::CTYPE_TEXT,
                '<p style="margin-bottom: 0cm"><b>Mentions Légales</b></p>',
                0
            );

            // Build and update the domain
            $domain = $organization->getSubDomain() .  '.opentalent.fr';
            $queryBuilder = $this->cnnPool->getQueryBuilderForTable('sys_domain');
            $queryBuilder->insert('sys_domain')
                ->values([
                    'pid' => $rootUid,
                    'domainName' => $domain
                ])
                ->execute();

            // Create the template

            $constants = "plugin.tx_ottemplating {" .
                         "    settings {" .
                         "        organization {" .
                         "            id = " . $organization->getId() .
                         "            name = " . $organization->getName() .
                         "            is_network = " . (1 ? $organization->getIsNetwork() : 0) .
                         "            email = " . $organization->getEmail() .
                         "            logoid = " . explode('/', $organization->getLogo(), -1)[0] .
                         "            twitter = " . $organization->getTwitter() .
                         "            facebook = " . $organization->getFacebook() .
                         "        }" .
                         "    network {" .
                         "            logo = " . $organization->getNetworkLogo() .
                         "            name = CMF" . $organization->getNetworkName() .
                         "            url = " . $organization->getNetworkUrl() .
                         "        }" .
                         "    }" .
                         "}" .

            $queryBuilder = $this->cnnPool->getQueryBuilderForTable('sys_template');
            $queryBuilder->insert('sys_template')
                ->values([
                    'pid' => $rootUid,
                    'title' => $organization->getName(),
                    'sitetitle' => $organization->getName(),
                    'root' => 1,
                    'clear' => 3,
                    'include_static_file' => 'EXT:fluid_styled_content/Configuration/TypoScript/,EXT:fluid_styled_content/Configuration/TypoScript/Styling/,EXT:ot_widgets/Configuration/TypoScript,EXT:form/Configuration/TypoScript/,EXT:news/Configuration/TypoScript,EXT:ot_templating/Configuration/TypoScript',
                    'constants' => $constants
                ])
                ->execute();

            // Create the site config.yaml file
            $config = ['base'=> 'https://' . $domain,
                'baseVariants'=>[],
                'errorHandling'=>[
                    ['errorCode'=>'404',
                     'errorHandler'=>'Page',
                     'errorContentSource'=>'t3://page?uid=' . $this->createdPagesIndex['/page-introuvable']],
                    ['errorCode'=>'403',
                     'errorHandler'=>'Page',
                     'errorContentSource'=>'t3://page?uid=' . $this->createdPagesIndex['/page-introuvable']]
                ],
                'flux_content_types'=>'',
                'flux_page_templates'=>'',
                'languages'=>[[
                    'title'=>'Fr',
                    'enabled'=>True,
                    'base'=>'/',
                    'typo3Language'=>'fr',
                    'locale'=>'fr_FR',
                    'iso-639-1'=>'fr',
                    'navigationTitle'=>'Fr',
                    'hreflang'=>'fr-FR',
                    'direction'=>'ltr',
                    'flag'=>'fr',
                    'languageId'=>'0',
                ]],
                'rootPageId'=>$rootUid,
                'routes'=>[]
                ];
            $yamlConfig = Yaml::dump($config, 4);
            

            // Create the contact form
            $contscatForm = "";

            // Create the BE user


            // Create the user_upload directory

//            throw new \Exception('not implemented');


            // Try to commit the result
            foreach ($tables as $table) {
                $commitSuccess = $this->cnnPool->getConnectionForTable($table)->commit();
                if (!$commitSuccess) {
                    throw new \RuntimeException('Something went wrong while commiting the result');
                }
            }
            return $rootUid;

        } catch(\Exception $e) {
            // rollback
            foreach ($tables as $table) {
                $this->cnnPool->getConnectionForTable($table)->rollback();
            }
            throw $e;
        }
    }

    /**
     * Insert a new row in the 'pages' table of the Typo3 DB
     *
     * @param Organization $organization
     * @param int $pid
     * @param string $title
     * @param string $slug
     * @param string $template
     * @param array $moreValues
     * @return string
     */
    private function insertPage(Organization $organization,
                                int $pid,
                                string $title,
                                string $slug,
                                string $template = '',
                                array $moreValues = []
                                ) {

        $defaultValues = [
            'pid' => $pid,
            'perms_groupid' => 3,
            'perms_user' => 27,
            'cruser_id' => 1,
            'dokType' => self::DOK_PAGE,
            'title' => $title,
            'slug' => $slug,
            'backend_layout' => 'flux__grid',
            'backend_layout_next_level' => 'flux__grid',
            'tx_opentalent_structure_id' => $organization->getId()
        ];

        if ($template) {
            $defaultValues['tx_fed_page_controller_action'] = $template;
            $defaultValues['tx_fed_page_controller_action_sub'] = self::TEMPLATE_1COL;
        }

        $values = array_merge($defaultValues, $moreValues);

        $queryBuilder = $this->cnnPool->getQueryBuilderForTable('pages');
        $queryBuilder->insert('pages')
            ->values($values)
            ->execute();

        $uid = $queryBuilder->getConnection()->lastInsertId();

        $this->createdPagesIndex[$slug] = $uid;
        return $uid;
    }

    /**
     * Insert the root page of a new organization's website
     *
     * @param Organization $organization
     * @return string
     */
    private function insertRootPage(Organization $organization) {
        return $this->insertPage(
            $organization,
            self::DEFAULT_ROOT_PID,
            $organization->getName(),
            '/',
            self::TEMPLATE_HOME,
            [
                'is_siteroot' => 1,
                'TSconfig' => 'TCAdefaults.pages.tx_opentalent_structure_id =' . $organization->getId(),
                'tx_opentalent_template' => self::DEFAULT_THEME,
                'tx_opentalent_template_preferences' => '{"themeColor":"' . self::DEFAULT_COLOR . '","displayCarousel":"1"}'
            ]
        );
    }

    /**
     * Insert a new row in the 'tt_content' table of the Typo3 DB
     *
     * @param int $pid
     * @param string $cType
     * @param string $bodyText
     * @param int $colPos
     * @param array $moreValues
     */
    private function insertContent(int $pid,
                                   string $cType=self::CTYPE_TEXT,
                                   string $bodyText = '',
                                   int $colPos=0,
                                   array $moreValues = []) {
        $defaultValues = [
            'pid' => $pid,
            'cruser_id' => 1,
            'CType' => $cType,
            'colPos' => $colPos,
            'bodyText' => $bodyText
        ];

        $values = array_merge($defaultValues, $moreValues);

        $queryBuilder = $this->cnnPool->getQueryBuilderForTable('tt_content');
        $queryBuilder->insert('tt_content')
            ->values($values)
            ->execute();
    }

}