<?php

require_once _PS_MODULE_DIR_.'customdevslider/classes/CustomDevSliderSlide.php';

class AdminCustomDevSliderController extends ModuleAdminController
{
    public function __construct()
    {
        $this->bootstrap = true;

        $this->table = 'customdevslider_slide';
        $this->className = 'CustomDevSliderSlide';
        $this->identifier = 'id_customdevslider_slide';
        $this->lang = true;

        parent::__construct();

        $this->_defaultOrderBy = 'position';
        $this->_defaultOrderWay = 'ASC';

        $this->fields_list = [
            'id_customdevslider_slide' => ['title' => 'ID', 'class' => 'fixed-width-xs'],
            'title' => ['title' => $this->l('Title')],
            'link' => ['title' => $this->l('Link')],
            'position' => ['title' => $this->l('Position'), 'class' => 'fixed-width-sm'],
            'active' => ['title' => $this->l('Active'), 'type' => 'bool', 'active' => 'status', 'class' => 'fixed-width-sm'],
        ];

        $this->addRowAction('edit');
        $this->addRowAction('delete');

        // Кнопка "Додати"
        $this->bulk_actions = [];
    }

    public function renderForm()
    {
        /** @var CustomDevSliderSlide $obj */
        $obj = $this->object;

        $imagePreview = '';
        if ($obj && !empty($obj->image)) {
            $imageUrl = __PS_BASE_URI__.'modules/customdevslider/uploads/'.$obj->image;
            $imagePreview = '<div style="margin-top:10px;"><img src="'.$imageUrl.'" style="max-width:220px;height:auto;border:1px solid #ddd;padding:5px;"></div>';
        }

        $this->fields_form = [
            'legend' => ['title' => $this->l('Slide')],
            'input' => [
                [
                    'type' => 'file',
                    'label' => $this->l('Image'),
                    'name' => 'image_file',
                    'desc' => $this->l('Allowed: jpg, jpeg, png, webp, gif.').$imagePreview,
                ],
                [
                    'type' => 'text',
                    'label' => $this->l('Link'),
                    'name' => 'link',
                    'desc' => $this->l('Optional URL (https://...)'),
                ],
                [
                    'type' => 'text',
                    'label' => $this->l('Title'),
                    'name' => 'title',
                    'lang' => true,
                ],
                [
                    'type' => 'textarea',
                    'label' => $this->l('Text'),
                    'name' => 'text',
                    'lang' => true,
                    'autoload_rte' => true,
                ],
                [
                    'type' => 'text',
                    'label' => $this->l('Position'),
                    'name' => 'position',
                    'class' => 'fixed-width-sm',
                    'desc' => $this->l('Sorting order (0..n). Lower goes first.'),
                ],
                [
                    'type' => 'switch',
                    'label' => $this->l('Active'),
                    'name' => 'active',
                    'is_bool' => true,
                    'values' => [
                        ['id' => 'active_on',  'value' => 1, 'label' => $this->l('Enabled')],
                        ['id' => 'active_off', 'value' => 0, 'label' => $this->l('Disabled')],
                    ],
                ],
            ],
            'submit' => ['title' => $this->l('Save')],
        ];

        return parent::renderForm();
    }

    public function processAdd()
    {
        $this->handleImageUpload();
        return parent::processAdd();
    }

    public function processUpdate()
    {
        $this->handleImageUpload();
        return parent::processUpdate();
    }

    private function handleImageUpload()
    {
        if (!isset($_FILES['image_file']) || empty($_FILES['image_file']['name'])) {
            return;
        }

        $file = $_FILES['image_file'];

        if (!empty($file['error'])) {
            $this->errors[] = $this->l('Image upload error.');
            return;
        }

        $ext = Tools::strtolower(pathinfo($file['name'], PATHINFO_EXTENSION));
        $allowed = ['jpg', 'jpeg', 'png', 'webp', 'gif'];

        if (!in_array($ext, $allowed, true)) {
            $this->errors[] = $this->l('Invalid image format.');
            return;
        }

        $uploadDir = _PS_MODULE_DIR_.'customdevslider/uploads/';
        if (!is_dir($uploadDir)) {
            if (!@mkdir($uploadDir, 0755, true)) {
                $this->errors[] = $this->l('Cannot create uploads directory.');
                return;
            }
        }

        // Нормальне безпечне ім'я
        $safeName = sha1(uniqid('customdevslider_', true)).'.'.$ext;
        $dest = $uploadDir.$safeName;

        if (!move_uploaded_file($file['tmp_name'], $dest)) {
            $this->errors[] = $this->l('Image upload failed.');
            return;
        }

        // Записуємо ім'я файлу в поле image
        $_POST['image'] = $safeName;
    }
}