<?php
// public/index.php

require_once '../vendor/autoload.php';

use Hpz\Photogal\Database;
use Hpz\Photogal\Album;
use Hpz\Photogal\Gallery;

$dotenv = Dotenv\Dotenv::createImmutable('../');
$dotenv->load();

if (!isset($_ENV['DB_FILE_PATH'])) {
    die('DB_FILE_PATH is not set in the .env file');
}
if (!file_exists('../' . $_ENV['DB_FILE_PATH'])) {
    die('Database file does not exist');
}

// Create a new Database connection
$dbFilePath = '../' . $_ENV['DB_FILE_PATH'];
$database = new Database($dbFilePath);

$requestUri = trim($_SERVER['REQUEST_URI'], '/');
$requestParts = explode('/', $requestUri);

if ($requestParts[0] === 'gallery' && isset($requestParts[1])) {
    // Gallery view
    $galleryClass = new Gallery($database);
    $album = urldecode($requestParts[1]);
    $page = isset($requestParts[2]) ? (int)$requestParts[2] : 1;

    // Retrieve limit, sort order, and sort direction from cookies or defaults
    $limit = $_COOKIE['limit'] ?? 24;
    $sortOrder = $_COOKIE['sortOrder'] ?? 'modified_date';
    $sortDirection = $_COOKIE['sortDirection'] ?? 'DESC';

    // Get images and total count for the selected album
    $offset = ($page - 1) * $limit;
    $images = $galleryClass->getGalleryImages($album, $limit, $offset, $sortOrder, $sortDirection);
    $totalImages = $galleryClass->countImages($album);
    $totalPages = ceil($totalImages / $limit);

    // Limit the number of pages displayed in the pagination
    $paginationRange = $_ENV['PAGINATION_RANGE'] ?? 5;
    $startPage = max(1, $page - floor($paginationRange / 2));
    $endPage = min($totalPages, $startPage + $paginationRange - 1);

    include '../src/views/header.phtml';
    $pageType = 'gallery';
    include '../src/views/menubar.phtml';
    // Render gallery view
    include '../src/views/gallery.phtml';
    include '../src/views/footer.phtml';

} else {
    // Album view

    $albumClass = new Album($database);
    $albums = $albumClass->getAlbums();
    $albumPreviews = [];
    foreach ($albums as $album) {
        $albumPreviews[$album] = $albumClass->getAlbumPreview($album);
    }

    $album = 'Album List';
    include '../src/views/header.phtml';
    $pageType = 'album';
    include '../src/views/menubar.phtml';
    // Render album view
    include '../src/views/albums.phtml';
    include '../src/views/footer.phtml';
}
?>