<?php

go_form_admin_action('export_csv');
if (!isset($_POST['value_one'])) {
  wp_redirect(admin_url('admin.php?page=go-form-settings'));
  exit;
}

$form_id = intval($_POST['value_one']);
$form = go_form_get_form_by_id($form_id);
$form_name = $form ? $form->name : 'Unknown Form';
$entries = go_form_get_entries($form_id);

header('Content-Type: text/csv; charset=utf-8');
header('Content-Disposition: attachment; filename="go-form-' . sanitize_title($form_name) . '-export.csv"');

$output = fopen('php://output', 'w');
fputcsv($output, ['ID', 'First Name', 'Last Name', 'Country', 'Club', 'Rank', 'Rating', 'Email', 'EGD Number', 'Comment', 'Date Added']);

foreach ($entries as $e) {
  global $ranks;
  fputcsv($output, [
    $e->id,
    $e->first_name,
    $e->last_name,
    $e->country,
    $e->club,
    $ranks[$e->rank] ?? '',
    $e->rating,
    $e->email,
    $e->egd_number,
    $e->comment,
    $e->created_at
  ]);
}

fclose($output);