<?php
/**
 * 企业编辑接口  POST /api/company/update.php
 * 入参：id + 需要更新的白名单字段
 */
require_once __DIR__ . '/../common/db.php';
require_once __DIR__ . '/../common/response.php';
require_once __DIR__ . '/../common/auth.php';
require_once __DIR__ . '/../common/logger.php';
require_once __DIR__ . '/../common/helpers.php';

checkAjax();
checkPermission('company');

$id = (int)($_POST['id'] ?? 0);
if ($id <= 0) {
    Response::error('参数错误', 400);
}

$data = extractFields(COMPANY_FIELDS);
unset($data['display_name']); // 显示名称不允许通过编辑接口置空/改名，如需改名请走完整字段
if (empty($data)) {
    Response::error('没有需要更新的字段', 400);
}

$pdo = DB::getInstance()->getPdo();

$check = $pdo->prepare("SELECT id, display_name FROM companies WHERE id = ?");
$check->execute([$id]);
$old = $check->fetch();
if (!$old) {
    Response::error('企业不存在');
}

[$sets, $params] = buildUpdate($data);
$params[] = $id;
$pdo->prepare("UPDATE companies SET $sets WHERE id = ?")->execute($params);

logCurrent('update', 'company', 'companies', $id, ['before' => $old, 'after' => $data]);
Response::success(null, '更新成功');