refactor: 拆分AgentAlerts.tsx(542→311行)提取agentAlertHelper+AgentRuleDialog子组件

frontend/src/components/agent/AgentAlerts.tsx

@@ -1,29 +1,13 @@
+// Agent 告警主组件：告警事件 Tab + 告警规则 Tab + 规则编辑弹窗 // Logan.Li
 import { useState, useEffect, useCallback } from 'react';
 import { toast } from 'sonner';
 import { useConfirm } from '@/components/ui/confirm-dialog';
 import { agentApi } from '@/services/api';
 import { Card, CardContent } from '@/components/ui/card';
 import { Button } from '@/components/ui/button';
-import { Input } from '@/components/ui/input';
-import { Label } from '@/components/ui/label';
 import { Badge } from '@/components/ui/badge';
 import { Switch } from '@/components/ui/switch';
 import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs';
-import {
-  Dialog,
-  DialogContent,
-  DialogDescription,
-  DialogFooter,
-  DialogHeader,
-  DialogTitle,
-} from '@/components/ui/dialog';
-import {
-  Select,
-  SelectContent,
-  SelectItem,
-  SelectTrigger,
-  SelectValue,
-} from '@/components/ui/select';
 import {
   AlertTriangle,
   CheckCircle,
@@ -34,51 +18,15 @@ import {
   RefreshCw,
   Bell,
   Cpu,
-  MemoryStick,
-  HardDrive,
-  WifiOff,
-  Network,
   Clock,
 } from 'lucide-react';
-
-// ============ 常量 ============
-
-const METRIC_OPTIONS = [
-  { value: 'cpu', label: 'CPU', icon: Cpu },
-  { value: 'mem', label: '内存', icon: MemoryStick },
-  { value: 'disk', label: '磁盘', icon: HardDrive },
-  { value: 'offline', label: '主机离线', icon: WifiOff },
-  { value: 'port_down', label: '端口不通', icon: Network },
-];
-
-const OPERATOR_OPTIONS = [
-  { value: '>', label: '> 大于' },
-  { value: '<', label: '< 小于' },
-  { value: '>=', label: '≥ 大于等于' },
-  { value: '<=', label: '≤ 小于等于' },
-  { value: '==', label: '= 等于' },
-];
-
-const SEVERITY_OPTIONS = [
-  { value: 'critical', label: '严重', color: 'bg-red-500/15 text-red-400 border-red-500/30' },
-  { value: 'warning', label: '警告', color: 'bg-amber-500/15 text-amber-400 border-amber-500/30' },
-  { value: 'info', label: '提示', color: 'bg-blue-500/15 text-blue-400 border-blue-500/30' },
-];
-
-function getMetricLabel(metric: string) {
-  return METRIC_OPTIONS.find((m) => m.value === metric)?.label || metric;
-}
-
-function asList(data: any): any[] {
-  if (!data) return [];
-  if (Array.isArray(data)) return data;
-  if (Array.isArray(data.list)) return data.list;
-  if (Array.isArray(data.items)) return data.items;
-  if (Array.isArray(data.data)) return data.data;
-  return [];
-}
-
-// ============ 主组件 ============
+import {
+  METRIC_OPTIONS,
+  getMetricLabel,
+  asList,
+  severityBadge,
+} from './agentAlertHelper';
+import { AgentRuleDialog } from './AgentRuleDialog';
 
 export function AgentAlerts() {
   const confirm = useConfirm();
@@ -88,20 +36,9 @@ export function AgentAlerts() {
   const [loading, setLoading] = useState(true);
   const [resolvedView, setResolvedView] = useState(false);
 
-  // 规则编辑
+  // 规则编辑弹窗
   const [ruleOpen, setRuleOpen] = useState(false);
   const [editingRule, setEditingRule] = useState<any>(null);
-  const [ruleSaving, setRuleSaving] = useState(false);
-  const [ruleForm, setRuleForm] = useState({
-    name: '',
-    metric: 'cpu',
-    operator: '>',
-    threshold: '90',
-    port: '',
-    severity: 'warning',
-    enabled: true,
-    duration: '60',
-  });
 
   const loadData = useCallback(async () => {
     setLoading(true);
@@ -138,67 +75,16 @@ export function AgentAlerts() {
   };
 
   // ============ 规则 CRUD ============
-  const resetRuleForm = () => {
-    setRuleForm({ name: '', metric: 'cpu', operator: '>', threshold: '90', port: '', severity: 'warning', enabled: true, duration: '60' });
-    setEditingRule(null);
-  };
-
   const openCreateRule = () => {
-    resetRuleForm();
+    setEditingRule(null);
     setRuleOpen(true);
   };
 
   const openEditRule = (rule: any) => {
     setEditingRule(rule);
-    setRuleForm({
-      name: rule.name || '',
-      metric: rule.metric || 'cpu',
-      operator: rule.operator || '>',
-      threshold: String(rule.threshold ?? '90'),
-      port: rule.port ? String(rule.port) : '',
-      severity: rule.severity || 'warning',
-      enabled: rule.enabled !== false,
-      duration: rule.duration ? String(rule.duration) : '60',
-    });
     setRuleOpen(true);
   };
 
-  const handleSaveRule = async () => {
-    if (!ruleForm.name.trim()) {
-      toast.error('请输入规则名称');
-      return;
-    }
-    setRuleSaving(true);
-    try {
-      const payload: any = {
-        name: ruleForm.name.trim(),
-        metric: ruleForm.metric,
-        operator: ruleForm.operator,
-        threshold: Number(ruleForm.threshold) || 0,
-        severity: ruleForm.severity,
-        enabled: ruleForm.enabled,
-        duration: Number(ruleForm.duration) || 0,
-      };
-      if (ruleForm.metric === 'port_down' && ruleForm.port) {
-        payload.port = Number(ruleForm.port);
-      }
-      if (editingRule) {
-        await agentApi.updateRule(editingRule.id, payload);
-        toast.success('规则已更新');
-      } else {
-        await agentApi.createRule(payload);
-        toast.success('规则已创建');
-      }
-      setRuleOpen(false);
-      resetRuleForm();
-      loadData();
-    } catch (err: any) {
-      toast.error(err?.message || '保存失败');
-    } finally {
-      setRuleSaving(false);
-    }
-  };
-
   const handleDeleteRule = async (id: number) => {
     const ok = await confirm({ title: '删除规则', description: '确定删除此告警规则？', confirmText: '删除', variant: 'destructive' });
     if (!ok) return;
@@ -220,16 +106,6 @@ export function AgentAlerts() {
     }
   };
 
-  const severityBadge = (sev: string) => {
-    const opt = SEVERITY_OPTIONS.find((s) => s.value === sev) || SEVERITY_OPTIONS[1];
-    return (
-      <Badge className={opt.color}>
-        <AlertTriangle className="h-3 w-3 mr-1" />
-        {opt.label}
-      </Badge>
-    );
-  };
-
   return (
     <div className="space-y-4">
       {/* 页头 */}
@@ -422,120 +298,13 @@ export function AgentAlerts() {
       </Tabs>
 
       {/* ========== 规则编辑弹窗 ========== */}
-      <Dialog open={ruleOpen} onOpenChange={(v) => { if (!v) setRuleOpen(false); }}>
-        <DialogContent className="max-w-md bg-slate-900 border-slate-800 text-slate-100">
-          <DialogHeader>
-            <DialogTitle className="text-slate-100">{editingRule ? '编辑规则' : '新建规则'}</DialogTitle>
-            <DialogDescription className="text-slate-400">配置 Agent 指标告警规则</DialogDescription>
-          </DialogHeader>
-
-          <div className="space-y-3">
-            <div className="space-y-1.5">
-              <Label className="text-slate-300 text-xs">规则名称</Label>
-              <Input
-                value={ruleForm.name}
-                onChange={(e) => setRuleForm({ ...ruleForm, name: e.target.value })}
-                placeholder="例如：CPU 使用率告警"
-                className="h-9 bg-slate-800 border-slate-700 text-slate-200"
+      <AgentRuleDialog
+        open={ruleOpen}
+        onOpenChange={setRuleOpen}
+        editingRule={editingRule}
+        onSuccess={loadData}
       />
     </div>
-
-            <div className="grid grid-cols-2 gap-3">
-              <div className="space-y-1.5">
-                <Label className="text-slate-300 text-xs">监控指标</Label>
-                <Select value={ruleForm.metric} onValueChange={(v) => setRuleForm({ ...ruleForm, metric: v })}>
-                  <SelectTrigger className="h-9 bg-slate-800 border-slate-700 text-slate-200">
-                    <SelectValue />
-                  </SelectTrigger>
-                  <SelectContent className="bg-slate-800 border-slate-700 text-slate-200">
-                    {METRIC_OPTIONS.map((m) => (
-                      <SelectItem key={m.value} value={m.value}>{m.label}</SelectItem>
-                    ))}
-                  </SelectContent>
-                </Select>
-              </div>
-              <div className="space-y-1.5">
-                <Label className="text-slate-300 text-xs">严重程度</Label>
-                <Select value={ruleForm.severity} onValueChange={(v) => setRuleForm({ ...ruleForm, severity: v })}>
-                  <SelectTrigger className="h-9 bg-slate-800 border-slate-700 text-slate-200">
-                    <SelectValue />
-                  </SelectTrigger>
-                  <SelectContent className="bg-slate-800 border-slate-700 text-slate-200">
-                    {SEVERITY_OPTIONS.map((s) => (
-                      <SelectItem key={s.value} value={s.value}>{s.label}</SelectItem>
-                    ))}
-                  </SelectContent>
-                </Select>
-              </div>
-            </div>
-
-            {ruleForm.metric !== 'offline' && (
-              <div className="grid grid-cols-2 gap-3">
-                <div className="space-y-1.5">
-                  <Label className="text-slate-300 text-xs">比较运算符</Label>
-                  <Select value={ruleForm.operator} onValueChange={(v) => setRuleForm({ ...ruleForm, operator: v })}>
-                    <SelectTrigger className="h-9 bg-slate-800 border-slate-700 text-slate-200">
-                      <SelectValue />
-                    </SelectTrigger>
-                    <SelectContent className="bg-slate-800 border-slate-700 text-slate-200">
-                      {OPERATOR_OPTIONS.map((o) => (
-                        <SelectItem key={o.value} value={o.value}>{o.label}</SelectItem>
-                      ))}
-                    </SelectContent>
-                  </Select>
-                </div>
-                <div className="space-y-1.5">
-                  <Label className="text-slate-300 text-xs">阈值 {ruleForm.metric !== 'port_down' ? '(%)' : ''}</Label>
-                  <Input
-                    type="number"
-                    value={ruleForm.threshold}
-                    onChange={(e) => setRuleForm({ ...ruleForm, threshold: e.target.value })}
-                    className="h-9 bg-slate-800 border-slate-700 text-slate-200"
-                  />
-                </div>
-              </div>
-            )}
-
-            {ruleForm.metric === 'port_down' && (
-              <div className="space-y-1.5">
-                <Label className="text-slate-300 text-xs">监控端口</Label>
-                <Input
-                  type="number"
-                  value={ruleForm.port}
-                  onChange={(e) => setRuleForm({ ...ruleForm, port: e.target.value })}
-                  placeholder="例如：8080"
-                  className="h-9 bg-slate-800 border-slate-700 text-slate-200"
-                />
-              </div>
-            )}
-
-            <div className="space-y-1.5">
-              <Label className="text-slate-300 text-xs">持续时间(秒)</Label>
-              <Input
-                type="number"
-                value={ruleForm.duration}
-                onChange={(e) => setRuleForm({ ...ruleForm, duration: e.target.value })}
-                placeholder="指标持续超限多久后告警"
-                className="h-9 bg-slate-800 border-slate-700 text-slate-200"
-              />
-            </div>
-
-            <div className="flex items-center justify-between">
-              <Label className="text-slate-300 text-xs">启用规则</Label>
-              <Switch checked={ruleForm.enabled} onCheckedChange={(v) => setRuleForm({ ...ruleForm, enabled: v })} />
-            </div>
-          </div>
-
-          <DialogFooter className="gap-2">
-            <Button variant="outline" onClick={() => setRuleOpen(false)} className="border-slate-700 text-slate-300">取消</Button>
-            <Button onClick={handleSaveRule} disabled={ruleSaving} className="bg-blue-600 hover:bg-blue-700 text-white">
-              {ruleSaving ? <Loader2 className="h-4 w-4 mr-1.5 animate-spin" /> : null}
-              {editingRule ? '保存' : '创建'}
-            </Button>
-          </DialogFooter>
-        </DialogContent>
-      </Dialog>
-    </div>
   );
 }
 

frontend/src/components/agent/AgentRuleDialog.tsx

@@ -0,0 +1,219 @@
+// Agent 告警规则编辑/新建弹窗（自包含表单状态，从 AgentAlerts.tsx 提取） // Logan.Li
+import { useState, useEffect } from 'react';
+import { toast } from 'sonner';
+import { agentApi } from '@/services/api';
+import { Button } from '@/components/ui/button';
+import { Input } from '@/components/ui/input';
+import { Label } from '@/components/ui/label';
+import { Switch } from '@/components/ui/switch';
+import {
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+} from '@/components/ui/dialog';
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from '@/components/ui/select';
+import { Loader2 } from 'lucide-react';
+import { METRIC_OPTIONS, OPERATOR_OPTIONS, SEVERITY_OPTIONS } from './agentAlertHelper';
+
+interface Props {
+  open: boolean;
+  onOpenChange: (v: boolean) => void;
+  editingRule: any;
+  onSuccess: () => void;
+}
+
+// 规则表单默认值 // Logan.Li
+const DEFAULT_FORM = {
+  name: '',
+  metric: 'cpu',
+  operator: '>',
+  threshold: '90',
+  port: '',
+  severity: 'warning',
+  enabled: true,
+  duration: '60',
+};
+
+export function AgentRuleDialog({ open, onOpenChange, editingRule, onSuccess }: Props) {
+  const [ruleForm, setRuleForm] = useState({ ...DEFAULT_FORM });
+  const [saving, setSaving] = useState(false);
+
+  // 弹窗打开时填充表单：编辑回填 / 新建重置 // Logan.Li
+  useEffect(() => {
+    if (!open) return;
+    if (editingRule) {
+      setRuleForm({
+        name: editingRule.name || '',
+        metric: editingRule.metric || 'cpu',
+        operator: editingRule.operator || '>',
+        threshold: String(editingRule.threshold ?? '90'),
+        port: editingRule.port ? String(editingRule.port) : '',
+        severity: editingRule.severity || 'warning',
+        enabled: editingRule.enabled !== false,
+        duration: editingRule.duration ? String(editingRule.duration) : '60',
+      });
+    } else {
+      setRuleForm({ ...DEFAULT_FORM });
+    }
+  }, [open, editingRule]);
+
+  const handleSave = async () => {
+    if (!ruleForm.name.trim()) {
+      toast.error('请输入规则名称');
+      return;
+    }
+    setSaving(true);
+    try {
+      const payload: any = {
+        name: ruleForm.name.trim(),
+        metric: ruleForm.metric,
+        operator: ruleForm.operator,
+        threshold: Number(ruleForm.threshold) || 0,
+        severity: ruleForm.severity,
+        enabled: ruleForm.enabled,
+        duration: Number(ruleForm.duration) || 0,
+      };
+      if (ruleForm.metric === 'port_down' && ruleForm.port) {
+        payload.port = Number(ruleForm.port);
+      }
+      if (editingRule) {
+        await agentApi.updateRule(editingRule.id, payload);
+        toast.success('规则已更新');
+      } else {
+        await agentApi.createRule(payload);
+        toast.success('规则已创建');
+      }
+      onOpenChange(false);
+      onSuccess();
+    } catch (err: any) {
+      toast.error(err?.message || '保存失败');
+    } finally {
+      setSaving(false);
+    }
+  };
+
+  return (
+    <Dialog open={open} onOpenChange={(v) => { if (!v) onOpenChange(false); }}>
+      <DialogContent className="max-w-md bg-slate-900 border-slate-800 text-slate-100">
+        <DialogHeader>
+          <DialogTitle className="text-slate-100">{editingRule ? '编辑规则' : '新建规则'}</DialogTitle>
+          <DialogDescription className="text-slate-400">配置 Agent 指标告警规则</DialogDescription>
+        </DialogHeader>
+
+        <div className="space-y-3">
+          <div className="space-y-1.5">
+            <Label className="text-slate-300 text-xs">规则名称</Label>
+            <Input
+              value={ruleForm.name}
+              onChange={(e) => setRuleForm({ ...ruleForm, name: e.target.value })}
+              placeholder="例如：CPU 使用率告警"
+              className="h-9 bg-slate-800 border-slate-700 text-slate-200"
+            />
+          </div>
+
+          <div className="grid grid-cols-2 gap-3">
+            <div className="space-y-1.5">
+              <Label className="text-slate-300 text-xs">监控指标</Label>
+              <Select value={ruleForm.metric} onValueChange={(v) => setRuleForm({ ...ruleForm, metric: v })}>
+                <SelectTrigger className="h-9 bg-slate-800 border-slate-700 text-slate-200">
+                  <SelectValue />
+                </SelectTrigger>
+                <SelectContent className="bg-slate-800 border-slate-700 text-slate-200">
+                  {METRIC_OPTIONS.map((m) => (
+                    <SelectItem key={m.value} value={m.value}>{m.label}</SelectItem>
+                  ))}
+                </SelectContent>
+              </Select>
+            </div>
+            <div className="space-y-1.5">
+              <Label className="text-slate-300 text-xs">严重程度</Label>
+              <Select value={ruleForm.severity} onValueChange={(v) => setRuleForm({ ...ruleForm, severity: v })}>
+                <SelectTrigger className="h-9 bg-slate-800 border-slate-700 text-slate-200">
+                  <SelectValue />
+                </SelectTrigger>
+                <SelectContent className="bg-slate-800 border-slate-700 text-slate-200">
+                  {SEVERITY_OPTIONS.map((s) => (
+                    <SelectItem key={s.value} value={s.value}>{s.label}</SelectItem>
+                  ))}
+                </SelectContent>
+              </Select>
+            </div>
+          </div>
+
+          {ruleForm.metric !== 'offline' && (
+            <div className="grid grid-cols-2 gap-3">
+              <div className="space-y-1.5">
+                <Label className="text-slate-300 text-xs">比较运算符</Label>
+                <Select value={ruleForm.operator} onValueChange={(v) => setRuleForm({ ...ruleForm, operator: v })}>
+                  <SelectTrigger className="h-9 bg-slate-800 border-slate-700 text-slate-200">
+                    <SelectValue />
+                  </SelectTrigger>
+                  <SelectContent className="bg-slate-800 border-slate-700 text-slate-200">
+                    {OPERATOR_OPTIONS.map((o) => (
+                      <SelectItem key={o.value} value={o.value}>{o.label}</SelectItem>
+                    ))}
+                  </SelectContent>
+                </Select>
+              </div>
+              <div className="space-y-1.5">
+                <Label className="text-slate-300 text-xs">阈值 {ruleForm.metric !== 'port_down' ? '(%)' : ''}</Label>
+                <Input
+                  type="number"
+                  value={ruleForm.threshold}
+                  onChange={(e) => setRuleForm({ ...ruleForm, threshold: e.target.value })}
+                  className="h-9 bg-slate-800 border-slate-700 text-slate-200"
+                />
+              </div>
+            </div>
+          )}
+
+          {ruleForm.metric === 'port_down' && (
+            <div className="space-y-1.5">
+              <Label className="text-slate-300 text-xs">监控端口</Label>
+              <Input
+                type="number"
+                value={ruleForm.port}
+                onChange={(e) => setRuleForm({ ...ruleForm, port: e.target.value })}
+                placeholder="例如：8080"
+                className="h-9 bg-slate-800 border-slate-700 text-slate-200"
+              />
+            </div>
+          )}
+
+          <div className="space-y-1.5">
+            <Label className="text-slate-300 text-xs">持续时间(秒)</Label>
+            <Input
+              type="number"
+              value={ruleForm.duration}
+              onChange={(e) => setRuleForm({ ...ruleForm, duration: e.target.value })}
+              placeholder="指标持续超限多久后告警"
+              className="h-9 bg-slate-800 border-slate-700 text-slate-200"
+            />
+          </div>
+
+          <div className="flex items-center justify-between">
+            <Label className="text-slate-300 text-xs">启用规则</Label>
+            <Switch checked={ruleForm.enabled} onCheckedChange={(v) => setRuleForm({ ...ruleForm, enabled: v })} />
+          </div>
+        </div>
+
+        <DialogFooter className="gap-2">
+          <Button variant="outline" onClick={() => onOpenChange(false)} className="border-slate-700 text-slate-300">取消</Button>
+          <Button onClick={handleSave} disabled={saving} className="bg-blue-600 hover:bg-blue-700 text-white">
+            {saving ? <Loader2 className="h-4 w-4 mr-1.5 animate-spin" /> : null}
+            {editingRule ? '保存' : '创建'}
+          </Button>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  );
+}

frontend/src/components/agent/agentAlertHelper.tsx

@@ -0,0 +1,54 @@
+// Agent 告警常量与辅助函数（从 AgentAlerts.tsx 提取） // Logan.Li
+import { Badge } from '@/components/ui/badge';
+import { AlertTriangle, Cpu, MemoryStick, HardDrive, WifiOff, Network } from 'lucide-react';
+
+// 监控指标选项（含图标，告警事件/规则/编辑弹窗共用） // Logan.Li
+export const METRIC_OPTIONS = [
+  { value: 'cpu', label: 'CPU', icon: Cpu },
+  { value: 'mem', label: '内存', icon: MemoryStick },
+  { value: 'disk', label: '磁盘', icon: HardDrive },
+  { value: 'offline', label: '主机离线', icon: WifiOff },
+  { value: 'port_down', label: '端口不通', icon: Network },
+];
+
+// 比较运算符选项 // Logan.Li
+export const OPERATOR_OPTIONS = [
+  { value: '>', label: '> 大于' },
+  { value: '<', label: '< 小于' },
+  { value: '>=', label: '≥ 大于等于' },
+  { value: '<=', label: '≤ 小于等于' },
+  { value: '==', label: '= 等于' },
+];
+
+// 严重程度选项（含徽章配色） // Logan.Li
+export const SEVERITY_OPTIONS = [
+  { value: 'critical', label: '严重', color: 'bg-red-500/15 text-red-400 border-red-500/30' },
+  { value: 'warning', label: '警告', color: 'bg-amber-500/15 text-amber-400 border-amber-500/30' },
+  { value: 'info', label: '提示', color: 'bg-blue-500/15 text-blue-400 border-blue-500/30' },
+];
+
+// 获取指标中文标签 // Logan.Li
+export function getMetricLabel(metric: string) {
+  return METRIC_OPTIONS.find((m) => m.value === metric)?.label || metric;
+}
+
+// 兼容多种列表响应格式（数组 / {list} / {items} / {data}） // Logan.Li
+export function asList(data: any): any[] {
+  if (!data) return [];
+  if (Array.isArray(data)) return data;
+  if (Array.isArray(data.list)) return data.list;
+  if (Array.isArray(data.items)) return data.items;
+  if (Array.isArray(data.data)) return data.data;
+  return [];
+}
+
+// 严重程度徽章（告警事件 + 规则列表共用） // Logan.Li
+export function severityBadge(sev: string) {
+  const opt = SEVERITY_OPTIONS.find((s) => s.value === sev) || SEVERITY_OPTIONS[1];
+  return (
+    <Badge className={opt.color}>
+      <AlertTriangle className="h-3 w-3 mr-1" />
+      {opt.label}
+    </Badge>
+  );
+}