<?php
header('Content-Type: application/json');
require_once __DIR__.'/../includes/pexels.php';

$qs = isset($_GET['queries']) ? explode(',', $_GET['queries']) : ['web design', 'code', 'office', 'creative', 'technology'];
$out = [];
foreach ($qs as $q) {
    $u = 'https://api.pexels.com/v1/search?query=' . urlencode(trim($q)) . '&orientation=landscape&per_page=1&page=1';
    $d = pexels_get($u);
    if ($d && !empty($d['photos'])) {
        $p = $d['photos'][0];
        $src = $p['src']['large'] ?? $p['src']['original'];
        $filename = $p['id'] . '.jpg';
        $dest = __DIR__.'/../assets/images/pexels/'.$filename;
        if (!file_exists($dest)) {
            download_to($src, $dest);
        }
        $out[] = [
            'src' => 'assets/images/pexels/'.$filename,
            'photographer' => $p['photographer'] ?? 'Unknown',
            'photographer_url' => $p['photographer_url'] ?? '',
        ];
    } else {
        $out[] = [
            'src' => 'https://picsum.photos/600/400?random='.rand(1,100),
            'photographer' => 'Random Picsum',
            'photographer_url' => 'https://picsum.photos/'
        ];
    }
}
echo json_encode($out);