<?php
/**
 * EDM 邮箱列表导出接口（CSV） GET/POST /api/marketing/edm_export.php
 * 入参同 edm.php filter：industry / province / city / keyword
 */
require_once __DIR__ . '/../common/db.php';
require_once __DIR__ . '/../common/response.php';
require_once __DIR__ . '/../common/auth.php';
require_once __DIR__ . '/../common/logger.php';

checkPermission('marketing');

// 仅导出勾选的邮箱（emails 逗号分隔）
$emailsRaw = trim($_REQUEST['emails'] ?? '');
$emailList = [];
if ($emailsRaw !== '') {
    foreach (explode(',', $emailsRaw) as $v) {
        $v = trim($v);
        if ($v !== '') {
            $emailList[] = $v;
        }
    }
}
$emailList = array_unique($emailList);
if (!$emailList) {
    Response::error('请先选择需要导出的邮箱', 1);
}

$in  = implode(',', array_fill(0, count($emailList), '?'));
$where  = ["sa.platform = 'email'", 'sa.is_active = 1', 'p.is_active = 1', "sa.account_id IN ($in)"];
$params = $emailList;
$whereSql = implode(' AND ', $where);

$pdo = DB::getInstance()->getPdo();
$stmt = $pdo->prepare(
    "SELECT sa.account_id AS email, p.full_name, p.work_location, p.hometown
     FROM social_accounts sa
     LEFT JOIN persons p ON p.id = sa.owner_id
     WHERE $whereSql
     ORDER BY sa.id DESC"
);
$stmt->execute($params);
$list = $stmt->fetchAll();

logCurrent('export', 'marketing', 'social_accounts', null, ['count' => count($list), 'emails' => $emailList]);

header('Content-Type: text/csv; charset=utf-8');
header('Content-Disposition: attachment; filename="edm_emails_' . date('Ymd_His') . '.csv"');
echo "\xEF\xBB\xBF";
$out = fopen('php://output', 'w');
fputcsv($out, ['邮箱', '姓名', '工作所在地', '家乡']);
foreach ($list as $r) {
    fputcsv($out, [$r['email'], $r['full_name'], $r['work_location'], $r['hometown']]);
}
fclose($out);
exit;