<?php
/**
 * 渠道删除接口  POST /api/channel/delete.php
 * 入参：id（或 ids 逗号分隔批量）
 */
require_once __DIR__ . '/../common/db.php';
require_once __DIR__ . '/../common/response.php';
require_once __DIR__ . '/../common/auth.php';
require_once __DIR__ . '/../common/logger.php';

checkAjax();
checkPermission('channel');

$id  = (int)($_POST['id'] ?? 0);
$ids = trim($_POST['ids'] ?? '');
$idList = [];
if ($id > 0) $idList[] = $id;
if ($ids !== '') {
    foreach (explode(',', $ids) as $v) {
        $v = (int)trim($v);
        if ($v > 0) $idList[] = $v;
    }
}
$idList = array_unique($idList);
if (!$idList) {
    Response::error('参数错误', 400);
}

$pdo = DB::getInstance()->getPdo();
$in  = implode(',', array_fill(0, count($idList), '?'));
$stmt = $pdo->prepare("DELETE FROM channels WHERE id IN ($in)");
$stmt->execute($idList);
$affected = $stmt->rowCount();

logCurrent('delete', 'channel', 'channels', null, ['ids' => $idList]);
Response::success(['affected' => $affected], "已删除 $affected 个渠道");