<?php
/**
 * Admin controller for Custom Feature Tab rules.
 *
 * @author    Project-Pro <https://www.project-pro.pl>
 * @copyright Project-Pro
 * @license   Proprietary - paid license
 */

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

require_once _PS_MODULE_DIR_ . 'customfeaturetab/classes/CustomFeatureTabRule.php';

class AdminCustomFeatureTabController extends ModuleAdminController
{
    public function __construct()
    {
        $this->table = 'custom_feature_tab';
        $this->className = 'CustomFeatureTabRule';
        $this->identifier = 'id_custom_feature_tab';
        $this->lang = true;
        $this->bootstrap = true;
        $this->addRowAction('edit');
        $this->addRowAction('delete');
        $this->position_identifier = 'position';

        parent::__construct();

        $this->bulk_actions = array(
            'delete' => array(
                'text' => $this->l('Delete selected'),
                'confirm' => $this->l('Delete selected items?'),
                'icon' => 'icon-trash',
            ),
        );

        $this->fields_list = array(
            'id_custom_feature_tab' => array(
                'title' => $this->l('ID'),
                'align' => 'center',
                'class' => 'fixed-width-xs',
            ),
            'feature_name' => array(
                'title' => $this->l('Cecha'),
                'filter_key' => 'fl!name',
            ),
            'feature_value_name' => array(
                'title' => $this->l('Wartość cechy'),
                'filter_key' => 'fvl!value',
            ),
            'title' => array(
                'title' => $this->l('Tytuł zakładki'),
                'filter_key' => 'b!title',
            ),
            'position' => array(
                'title' => $this->l('Pozycja'),
                'align' => 'center',
                'class' => 'fixed-width-xs',
                'position' => 'position',
            ),
            'active' => array(
                'title' => $this->l('Aktywna'),
                'active' => 'status',
                'type' => 'bool',
                'align' => 'center',
                'class' => 'fixed-width-sm',
            ),
        );
    }

    /**
     * Override getList to JOIN feature/feature_value names.
     */
    public function getList($id_lang, $order_by = null, $order_way = null, $start = 0, $limit = null, $id_lang_shop = false)
    {
        $this->_select = 'fl.`name` AS `feature_name`, fvl.`value` AS `feature_value_name`';
        $this->_join = '
            LEFT JOIN `' . _DB_PREFIX_ . 'feature_lang` fl
                ON (a.`id_feature` = fl.`id_feature` AND fl.`id_lang` = ' . (int) $id_lang . ')
            LEFT JOIN `' . _DB_PREFIX_ . 'feature_value_lang` fvl
                ON (a.`id_feature_value` = fvl.`id_feature_value` AND fvl.`id_lang` = ' . (int) $id_lang . ')';

        parent::getList($id_lang, $order_by, $order_way, $start, $limit, $id_lang_shop);
    }

    /**
     * Build the add/edit form.
     */
    public function renderForm()
    {
        $features = Feature::getFeatures($this->context->language->id);
        $featureOptions = array();
        foreach ($features as $feature) {
            $featureOptions[] = array(
                'id' => $feature['id_feature'],
                'name' => $feature['name'],
            );
        }

        // For edit mode, get values of the currently selected feature
        $featureValueOptions = array();
        $selectedFeatureValue = 0;
        if ($this->object && $this->object->id) {
            $selectedFeatureValue = (int) $this->object->id_feature_value;
            $sql = 'SELECT fv.`id_feature_value`, fvl.`value`
                    FROM `' . _DB_PREFIX_ . 'feature_value` fv
                    LEFT JOIN `' . _DB_PREFIX_ . 'feature_value_lang` fvl
                        ON fv.`id_feature_value` = fvl.`id_feature_value`
                        AND fvl.`id_lang` = ' . (int) $this->context->language->id . '
                    WHERE fv.`id_feature` = ' . (int) $this->object->id_feature . '
                    ORDER BY fvl.`value` ASC';
            $values = Db::getInstance()->executeS($sql);
            if ($values) {
                foreach ($values as $val) {
                    $featureValueOptions[] = array(
                        'id' => $val['id_feature_value'],
                        'name' => $val['value'],
                    );
                }
            }
        }

        $this->fields_form = array(
            'legend' => array(
                'title' => $this->l('Reguła karty cechy'),
                'icon' => 'icon-cogs',
            ),
            'input' => array(
                array(
                    'type' => 'select',
                    'label' => $this->l('Cecha'),
                    'name' => 'id_feature',
                    'required' => true,
                    'options' => array(
                        'query' => $featureOptions,
                        'id' => 'id',
                        'name' => 'name',
                    ),
                ),
                array(
                    'type' => 'select',
                    'label' => $this->l('Wartość cechy'),
                    'name' => 'id_feature_value',
                    'required' => true,
                    'options' => array(
                        'query' => $featureValueOptions,
                        'id' => 'id',
                        'name' => 'name',
                    ),
                    'desc' => $this->l('Wartości zostaną załadowane po wyborze cechy.'),
                ),
                array(
                    'type' => 'text',
                    'label' => $this->l('Tytuł zakładki'),
                    'name' => 'title',
                    'lang' => true,
                    'required' => true,
                    'size' => 255,
                ),
                array(
                    'type' => 'textarea',
                    'label' => $this->l('Treść'),
                    'name' => 'content',
                    'lang' => true,
                    'autoload_rte' => true,
                    'rows' => 10,
                    'cols' => 100,
                ),
                array(
                    'type' => 'text',
                    'label' => $this->l('Pozycja'),
                    'name' => 'position',
                    'class' => 'fixed-width-xs',
                ),
                array(
                    'type' => 'switch',
                    'label' => $this->l('Aktywna'),
                    'name' => 'active',
                    'is_bool' => true,
                    'values' => array(
                        array('id' => 'active_on', 'value' => 1, 'label' => $this->l('Tak')),
                        array('id' => 'active_off', 'value' => 0, 'label' => $this->l('Nie')),
                    ),
                ),
            ),
            'submit' => array(
                'title' => $this->l('Zapisz'),
            ),
        );

        return parent::renderForm();
    }

    /**
     * Add JS for AJAX dropdown and pass the selected value.
     */
    public function setMedia($isNewTheme = false)
    {
        parent::setMedia($isNewTheme);

        if (in_array($this->display, array('add', 'edit'))) {
            $this->addJS(_PS_MODULE_DIR_ . 'customfeaturetab/views/js/admin.js');

            // Pass the preselected feature value to JS for edit mode
            if ($this->object && $this->object->id) {
                Media::addJsDef(array(
                    'customfeaturetab_selected_value' => (int) $this->object->id_feature_value,
                ));
            }
        }
    }

    /**
     * AJAX endpoint: get feature values for a given feature.
     */
    public function ajaxProcessGetFeatureValues()
    {
        $idFeature = (int) Tools::getValue('id_feature');
        $idLang = (int) $this->context->language->id;

        // Include ALL values (predefined + custom) for the feature
        $sql = 'SELECT fv.`id_feature_value`, fvl.`value`
                FROM `' . _DB_PREFIX_ . 'feature_value` fv
                LEFT JOIN `' . _DB_PREFIX_ . 'feature_value_lang` fvl
                    ON fv.`id_feature_value` = fvl.`id_feature_value`
                    AND fvl.`id_lang` = ' . (int) $idLang . '
                WHERE fv.`id_feature` = ' . (int) $idFeature . '
                ORDER BY fvl.`value` ASC';

        $values = Db::getInstance()->executeS($sql);
        $result = array();
        if ($values) {
            foreach ($values as $val) {
                $result[] = array(
                    'id_feature_value' => $val['id_feature_value'],
                    'value' => $val['value'],
                );
            }
        }

        header('Content-Type: application/json');
        die(json_encode($result));
    }
}