<?php
header('Content-Type: application/json');
require_once __DIR__.'/../includes/pexels.php';
$qs = isset($_GET['queries']) ? explode(',', $_GET['queries']) : ['home','apple','pizza','mountains','cat'];
$out = [];
foreach ($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'] ?? null;
    $dest = __DIR__.'/../assets/images/pexels/'.$p['id'].'.jpg';
    if ($src) {
        download_to($src, $dest);
    }
    $out[] = [
      'src' => 'assets/images/pexels/'.$p['id'].'.jpg',
      'photographer' => $p['photographer'] ?? 'Unknown',
      'photographer_url' => $p['photographer_url'] ?? '',
      'alt' => $p['alt'] ?? 'Image related to ' . trim($q)
    ];
  } else {
    // Fallback: Picsum
    $out[] = [
      'src' => 'https://picsum.photos/seed/'.urlencode(trim($q)).'/800/600',
      'photographer' => 'Random Picsum',
      'photographer_url' => 'https://picsum.photos/',
      'alt' => 'Placeholder image for ' . trim($q)
    ];
  }
}
echo json_encode($out);