// === Google Reviews (ACF local group on Options) ===
add_action('acf/init', function () {
  if( function_exists('acf_add_local_field_group') ){

    acf_add_local_field_group([
      'key' => 'group_spotts_google_reviews',
      'title' => 'Footer: Google Reviews',
      'fields' => [
        [
          'key' => 'field_gr_enable',
          'label' => 'Enable Google Reviews',
          'name' => 'gr_enable',
          'type' => 'true_false',
          'ui' => 1,
          'default_value' => 0,
        ],
        [
          'key' => 'field_gr_title',
          'label' => 'Section Title',
          'name' => 'gr_title',
          'type' => 'text',
          'placeholder' => 'What clients say on Google',
        ],
        [
          'key' => 'field_gr_place_id',
          'label' => 'Google Place ID',
          'name' => 'gr_place_id',
          'type' => 'text',
          'instructions' => 'e.g. ChIJ... (Place ID for spottsgardens.com business)',
        ],
        [
          'key' => 'field_gr_api_key',
          'label' => 'Google API Key (Places)',
          'name' => 'gr_api_key',
          'type' => 'text',
          'instructions' => 'Must have Places API enabled. If left blank, the site-wide ACF Google key will NOT be used automatically—put a key here.',
        ],
        [
          'key' => 'field_gr_max',
          'label' => 'Max Reviews to Show',
          'name' => 'gr_max',
          'type' => 'number',
          'default_value' => 3,
          'min' => 1,
          'max' => 5
        ],
        [
          'key' => 'field_gr_min_rating',
          'label' => 'Minimum Star Rating',
          'name' => 'gr_min_rating',
          'type' => 'number',
          'default_value' => 4,
          'min' => 1,
          'max' => 5,
          'step' => 0.1
        ],
      ],
      'location' => [[[
        'param' => 'options_page',
        'operator' => '==',
        'value' => 'acf-options',
      ]]],
    ]);

  }
});

// === Fetch Google Reviews with caching ===
function spotts_get_google_reviews() {
  if (!function_exists('get_field')) return [];

  $enabled    = get_field('gr_enable', 'options');
  if (!$enabled) return [];

  $place_id   = trim((string) get_field('gr_place_id', 'options'));
  $api_key    = trim((string) get_field('gr_api_key', 'options'));
  $max_show   = (int) (get_field('gr_max', 'options') ?: 3);
  $min_rating = (float) (get_field('gr_min_rating', 'options') ?: 4);

  if (!$place_id || !$api_key) return [];

  $transient_key = 'spotts_gr_' . md5($place_id . '|' . $max_show . '|' . $min_rating);

  $cached = get_transient($transient_key);
  if ($cached !== false) return $cached;

  $endpoint = add_query_arg([
    'place_id' => $place_id,
    'fields'   => 'name,url,rating,user_ratings_total,reviews',
    'reviews_sort' => 'newest',
    'key'      => $api_key,
  ], 'https://maps.googleapis.com/maps/api/place/details/json');

  $resp = wp_remote_get($endpoint, ['timeout' => 12]);
  if (is_wp_error($resp)) return [];

  $code = wp_remote_retrieve_response_code($resp);
  if ($code !== 200) return [];

  $data = json_decode(wp_remote_retrieve_body($resp), true);
  if (!is_array($data) || empty($data['result'])) return [];

  $result  = $data['result'];
  $reviews = isset($result['reviews']) && is_array($result['reviews']) ? $result['reviews'] : [];

  // Filter & trim
  $reviews = array_values(array_filter($reviews, function($r) use ($min_rating){
    return isset($r['rating']) && (float)$r['rating'] >= $min_rating;
  }));

  $reviews = array_slice($reviews, 0, max(1, min(5, $max_show)));

  // Normalize fields we need
  $normalized = [];
  foreach ($reviews as $r) {
    $normalized[] = [
      'author_name' => $r['author_name'] ?? 'Google User',
      'profile_photo_url' => $r['profile_photo_url'] ?? '',
      'rating' => (float) ($r['rating'] ?? 0),
      'text' => $r['text'] ?? '',
      'relative_time' => $r['relative_time_description'] ?? '',
      'author_url' => $r['author_url'] ?? '',
      'place_name' => $result['name'] ?? '',
      'place_url'  => $result['url'] ?? '',
      'overall_rating' => (float) ($result['rating'] ?? 0),
      'total_ratings'  => (int)   ($result['user_ratings_total'] ?? 0),
    ];
  }

  // Cache 12 hours
  set_transient($transient_key, $normalized, 12 * HOUR_IN_SECONDS);

  return $normalized;
}