<?php

namespace App\Controllers\Frontend;

use App\Controllers\BaseController;
use CodeIgniter\HTTP\ResponseInterface;

class SlideshowController extends BaseController
{
    public function index()
    {
        $slideshowModel = new \App\Models\SlideshowModel();

        $allowedOrderFields = [
            'order', 'created_at', 'updated_at', 'title', 'status'
        ];

        $orderBy = $this->request->getGet('order_by') ?? 'order';
        $sort = strtolower($this->request->getGet('sort')) === 'desc' ? 'DESC' : 'ASC';
        $page = (int) ($this->request->getGet('page') ?? 1);
        $limit = (int) ($this->request->getGet('limit') ?? 20);

        if (!in_array($orderBy, $allowedOrderFields)) {
            $orderBy = 'order';
        }

        $builder = $slideshowModel->orderBy($orderBy, $sort)->where('deleted_at', null);

        if ($limit > 0) {
            $offset = ($page - 1) * $limit;
            $slides = $builder->findAll($limit, $offset);
            $total = $slideshowModel->where('deleted_at', null)->countAllResults();
        } else {
            $slides = $builder->findAll();
            $total = count($slides);
        }

        return $this->response->setJSON([
            'status' => 200,
            'result' => $slides,
            'pagination' => [
                'page' => $page,
                'limit' => $limit,
                'total' => $total
            ]
        ]);
    }
}