<?php
/**
 *
 *
 * @author      Komma <info@komma.pro>
 * @copyright   (c) 2012-2016, Komma Mediadesign
 */

namespace KommaApp\Translations\Kms;

use App\Helpers\KommaHelpers;
use Illuminate\Database\Eloquent\Collection;
use KommaApp\Kms\Core\Kms;
use KommaApp\Kms\Core\KmsRepository;
use KommaApp\Kms\Core\Tree\Tree;
use KommaApp\Kms\SidebarListItem;
use Barryvdh\TranslationManager\Models\Translation;

class TranslationRepository extends KmsRepository
{

    public $ts;

    public function __construct(Kms $kms, TranslationService $translationService)
    {
        parent::__construct($kms);

        $this->ts = $translationService;
    }

    /**
     * This method will get a model based on the id.
     * When the id is NULL, we will generate a new.
     * This is Called in KmsSection@loadEntity.
     *
     * @param $group_slug
     * @return Translation
     */
    public function getModel($group_slug)
    {
        //If the group_slug is empty, make a newModel
        if ($group_slug == null) return $this->newModel();

        //update groupSlug by changing the underscores to slashes
        $groupSlug = KommaHelpers::UnderScoreToSlash($group_slug);
        //Get translations based on the groupSlug
        $translations = $this->ts->getTranslationsByGroupsName($groupSlug);
        //Create an empty groupObject
        $group = (object)[];
        //Set the group_slug (with underscores) to the id
        $group->id = $group_slug;
        //a status is needed
        $group->status = 1;

        //Create an translationCollection based on the models
        $group->translations = $this->createTranslationCollection($translations);
        //Set the groupSlug (without _) to the group 
        $group->group = $groupSlug;

        //Set the extra form fields, eg. title, thumbnail
        $this->setExtraModelFields($group);

        return $group;
    }


    /**
     * We build a translation Collection
     * based on the key/locale of the $stringTranslations.
     *
     * @param $stringTranslations
     * @return Collection
     */
    private function createTranslationCollection($stringTranslations)
    {
        //First we are going to put the model in a multidimensional array
        //With the key as first level and the locale (iso_2 of lang) as seccond

        //Create an empty group
        $group = [];
        //Loop trough the stringTranslations
        foreach ($stringTranslations as $stringTranslation) {
            //Save in the group with the key as first and the locale as seccond level
            $group[$stringTranslation->key][$stringTranslation->locale] = $stringTranslation;
        }

        //Create an new stringTranslationCollection collection
        $stringTranslationCollection = new Collection();
        //Loop trough the group, this gives an array of localItems grouped by key
        foreach ($group as $key => $localeItems) {
            //Create a new translations collection
            $translations = new Collection();
            //Loop trough the localeItems array, this gives an stringTranslation
            foreach ($localeItems as $locale => $stringTranslation) {
                //Put the stringTranslation in the translations collection with the locale as key
                $translations->put($locale, $stringTranslation);
            }
            //Create an keyCollection, this is equal to the latest (or first if you want) stringTranslation
            $keyCollection = $stringTranslation;
            //Create an translations attribute and set the translations collection
            $keyCollection->translations = $translations;
            //Set the keyCollection tot the stringTranslationCollection based on the key
            $stringTranslationCollection->put($key, $keyCollection);
        }
        //Return the collection
        return $stringTranslationCollection;
    }

    /**
     * This method will set extra modelFields.
     * eg title and thumbnail for the form.
     *
     * @param $model
     */
    public function setExtraModelFields(&$model, $new = false)
    {
        //Set the tille
        $model->title = ucwords(str_replace('/', ' ', $model->group));

        //Explode the parts on /
        $parts = explode('/', $model->group);

        //Get the last parts
        $model->group_name = end($parts);

        $model->parent_group = implode('/', array_slice($parts, 0, -1));

        //Set the thumbnail
        $this->setThumbnail($model);

    }

    /**
     * Set the thumbnail for the model.
     *
     * @param $model
     */
    public function setThumbnail(&$model)
    {
        //Set the thumbnail
        $model->thumbnail = ['image_url' => '/images/kms/structure/translations.png'];
    }

    /**
     * This method will genereate a new Customer.
     * It is only used in the creation of the Form.
     *
     * @param null $siteId
     * @return Translation
     */
    public function newModel($siteId = null)
    {
        $translation = new Translation();

        //Add an empty collection to translations
        $translation->translations = new Collection();

        //Set the thumbnail
        $this->setThumbnail($translation);

        return $translation;
    }


    /**
     * This method will get all the models.
     * And add these to the sidebarList.
     *
     * @return array $sidebarList
     */
    public function getModels()
    {
        $translations = Translation::groupBy('group')
            ->orderBy('group')
            ->get();
        return $this->makeTranslationTree($translations);
    }


    /**
     * Make a tree for from the translations
     * to load in the Kms sidebar.
     *
     * @param $translations
     * @return array
     *
     */
    public function makeTranslationTree($translations)
    {

        //Create an empty sidebarList
        $sidebarList = [];

        //Loop trough then translations
        foreach ($translations as $translation) {

            //Create new SidebarListItem
            $sidebarListItem = new SidebarListItem();
            //Set the complete group as id, with slash changed to underscore
            $sidebarListItem->setId(KommaHelpers::slashToUnderScore($translation->group));
            //Set the group name
            $sidebarListItem->setName($translation->group);

            //Todo thumbnail for file, and for folder
            $sidebarListItem->setThumbnail(\HTML::image('images/kms/structure/file.png'));

            //Check if it is a group in a sub folder
            if (preg_match('/([a-z0-9]+)\/(.*)/i', $translation->group, $matches)) {

                //Check if the folderName does not exist in the sidebarList already
                if (!isset($sidebarList[$matches[1]])) {
                    //Make a list item for a folder
                    $mainSidebarListItem = new SidebarListItem();
                    //Set the id to the first file in the subfolder
                    $mainSidebarListItem->setId(KommaHelpers::slashToUnderScore($translation->group));
                    //Set the main folder as name
                    $mainSidebarListItem->setName($matches[1]);
                    //todo folder thumbnail
                    $mainSidebarListItem->setThumbnail(\HTML::image('images/kms/structure/folder.png'));
                    //Add to the sidebar
                    $sidebarList[$matches[1]] = $mainSidebarListItem;
                }
                //change the subitem name to the fileName
                $sidebarListItem->setName($matches[2]);
                //Set the item as child of the folder
                $sidebarList[$matches[1]]->childeren[] = $sidebarListItem;
                //Continue tot the next item
                continue;

            }

            //Add the item tho the sidebar
            $sidebarList[] = $sidebarListItem;


        }
        return $sidebarList;
    }


    public function saveModel($input, $translation = null)
    {
        //Set the groupName
        $groupName = \Input::get('group_name');

        //Prepend the parent_group, it this is not "null"
        if (\Input::has('parent_group') && \Input::get('parent_group') != 'null') $groupName = \Input::get('parent_group') . '/' . $groupName;

        $translations = $this->ts->getTranslationsByGroupsName($groupName);

        if (!\Input::has('translations_key')) return false;

        $keys = \Input::get('translations_key');
        foreach ($this->kms->getAvailableLanguages() as $language) {

            if (!\Input::has('translations_value_' . $language->id)) continue;

            $values = \Input::get('translations_value_' . $language->id);
            foreach ($keys as $i => $key) {
                //Skip empty keys
                if (empty($key)) continue;

                //Check for a translation with this key
                if (!$translation = $translations->where('key', $key)->where('locale', $language->iso_2)->first()) {
                    $translation = new Translation();
                    $translation->key = $key;
                    $translation->group = $groupName;
                    $translation->locale = $language->iso_2;
                }
                if (!isset($values[$i])) continue;
                $translation->value = $values[$i];
                $translation->status = 1;
                $translation->save();
            }
        }

        $this->ts->cleanOldTranslations($groupName);

        $this->ts->exportTranslationToFile($groupName);

        return KommaHelpers::slashToUnderScore($groupName);

    }

    private function saveLocaleValues($keys, $values, $locale)
    {

    }

    /**
     * Delete the translations based on the group
     * from the database and the disc
     *
     * @param $group_slug
     */
    public function destroyModel($group_slug)
    {
        //Fix the groupSlug
        $groupSlug = KommaHelpers::UnderScoreToSlash($group_slug);

        //Load all translations
        $translations = $this->ts->getTranslationsByGroupsName($groupSlug);

        //Remove the translations from the database, and delete the files
        $this->ts->removeTranslations($translations);

    }

    public function getTranslationsForBestFriendSelectBox()
    {
        $records = Translation::all();
        $entities = [];
        foreach ($records as $record) {
            $entity = [];
            $entity['value'] = $record->id;
            $entity['content'] = $record->first_name . ' ' . $record->last_name;
            $entity['htmlContent'] = $record->first_name . ' ' . $record->last_name . ' <i>(' . $record->email . ')</i>';
            $entities[] = $entity;
        }
        return $entities;
    }

    /**
     * @return array
     * Get all the groups for the select
     */
    public function getGroupsForSelect()
    {
        //Get the translations grouped by teh group
        $groups = Translation::groupBy('group')->orderBy('group')->get();

        //Empty entities
        $entities = [];
        $entities [] = $this->createEntityForList('null', 'Hoofdgroep', 'Hoofdgroep');
        //Start looping trough the items
        foreach ($groups as $item) {
            //Create an item, or a group of items
            $this->CreateItemsWithDepth($entities, $item->group);
        }
        //Only keep the values (ui-select fault)
        $entities = array_values($entities);

        return $entities;
    }

    /**
     * Create items with Depth based on the group
     *
     * @param $entities
     * @param $group
     */
    private function CreateItemsWithDepth(&$entities, $group)
    {

        //Reset usedParts
        $useParts = [];
        //Reset dept to 0
        $depth = 0;

        //Explode the group by /
        $groupParts = explode('/', $group);

        //Loop trough the exploded parts
        foreach ($groupParts as $part) {
            //Add the current part to the used parts
            $useParts[] = $part;
            //Implode the parts for the groupName
            $groupName = implode('/', $useParts);

            //Check if there is already is an item with the given groupName
            if (isset($entities[$groupName])) {
                //Add one to the depth
                $depth++;
                //Continue to a deeper part
                continue;
            }

            //Create the htmlContent text. repat (three spaces * $depth) and add the current part
            $htmlContent = str_repeat('&nbsp;&nbsp;&nbsp;', $depth) . ' ' . $part;

            //Create an entity for the list
            $entities[$groupName] = $this->createEntityForList($groupName, $groupName, $htmlContent);

            //Add one to the depth
            $depth++;
        }


    }

    /**
     * Create an entity for a list
     *
     * @param $value
     * @param $content
     * @param $htmlContent
     * @return array
     */
    private function createEntityForList($value, $content, $htmlContent)
    {
        $entity = [];
        //Value sent with the form
        $entity['value'] = $value;
        //content shown when item is selected
        $entity['content'] = $content;
        //Content shown in the drop down list
        $entity['htmlContent'] = $htmlContent;
        return $entity;
    }


}