<?php
/**
 * 任职公司选项接口  GET /api/person/company_options.php
 * 返回启用中的企业（id + 显示名称），供人员「工作履历」行内公司下拉使用
 * 入参：keyword（可选，模糊匹配企业名称）/ limit（默认 500）
 */
require_once __DIR__ . '/../common/db.php';
require_once __DIR__ . '/../common/response.php';
require_once __DIR__ . '/../common/auth.php';

checkPermission('person');

$keyword = trim($_REQUEST['keyword'] ?? '');
$limit   = min(1000, max(1, (int)($_REQUEST['limit'] ?? 500)));

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

$where  = 'is_active = 1';
$params = [];
if ($keyword !== '') {
    $where .= ' AND (name_zh LIKE ? OR name_en LIKE ? OR display_name LIKE ?)';
    $like = "%$keyword%";
    array_push($params, $like, $like, $like);
}

$stmt = $pdo->prepare(
    "SELECT id, COALESCE(NULLIF(display_name,''), name_zh, name_en) AS name
     FROM companies WHERE $where ORDER BY id ASC LIMIT $limit"
);
$stmt->execute($params);

Response::success(['list' => $stmt->fetchAll()]);