/* eslint-disable @typescript-eslint/no-explicit-any */
// LogAlertsPanel — 日志告警规则列表 // Logan.Li
import { useState, useEffect, useCallback } from 'react';
import { Button } from '@/components/ui/button';
import { Badge } from '@/components/ui/badge';
import { Card, CardContent } from '@/components/ui/card';
import { Plus, Pencil, Trash2, RefreshCw, Loader2 } from 'lucide-react';
import { useToast } from '@/hooks/use-toast';
import { useConfirm } from '@/components/ui/confirm-dialog';
import { alertApi } from '@/api';
import { AlertRuleDialog } from '@/components/monitor/AlertRuleDialog';
import i18n from '@/i18n';

export function LogAlertsPanel() {
  const { toast } = useToast();
  const confirm = useConfirm();
  const [rules, setRules] = useState<any[]>([]);
  const [channels, setChannels] = useState<any[]>([]);
  const [loading, setLoading] = useState(true);
  const [dialogOpen, setDialogOpen] = useState(false);
  const [editing, setEditing] = useState<any>(null);

  const load = useCallback(async () => {
    setLoading(true);
    try {
      const [rulesRes, chRes] = await Promise.all([
        alertApi.getRules(),
        alertApi.getNotifyChannels(),
      ]);
      const all = (rulesRes as any)?.list || (Array.isArray(rulesRes) ? rulesRes : []);
      setRules(all.filter((r: any) => r.type === 'log' || r.source === 'loki' || r.source === 'elasticsearch'));
      setChannels((chRes as any)?.list || []);
    } finally {
      setLoading(false);
    }
  }, []);

  useEffect(() => { load(); }, [load]);

  const handleDelete = async (rule: any) => {
    const ok = await confirm({ title: i18n.t('monitor.deleteRule'), description: `删除「${rule.name}」？`, variant: 'destructive', confirmText: i18n.t('kubernetes.storage.delete2') });
    if (!ok) return;
    try {
      await alertApi.deleteRule(rule.id);
      toast({ title: i18n.t('monitor.silenceRules.deleted') });
      load();
    } catch (e: any) {
      toast({ title: i18n.t('kubernetes.msg.deleteFailed2'), description: e?.message || String(e), variant: 'destructive' });
    }
  };

  const severityColor: Record<string, string> = {
    critical: 'bg-red-500/15 dg-text-red',
    warning: 'bg-amber-500/15 dg-text-yellow',
    info: 'bg-blue-500/15 dg-text-blue',
  };

  return (
    <div className="space-y-4">
      <div className="flex items-center justify-between">
        <p className="text-sm text-[var(--dg-text-muted)]"> {i18n.t('monitor.logalertspanelt.s5bc514d8')} </p>
        <div className="flex gap-2">
          <Button variant="outline" size="sm" onClick={load} disabled={loading}>
            <RefreshCw className={`h-4 w-4 mr-1 ${loading ? 'animate-spin' : ''}`} />刷新
          </Button>
          <Button size="sm" onClick={() => { setEditing(null); setDialogOpen(true); }}>
            <Plus className="h-4 w-4 mr-1" />新建
          </Button>
        </div>
      </div>

      {loading ? (
        <div className="flex justify-center py-16"><Loader2 className="h-6 w-6 animate-spin text-[var(--dg-text-muted)]" /></div>
      ) : rules.length === 0 ? (
        <Card className="dg-card">
          <CardContent className="py-12 text-center text-[var(--dg-text-muted)] text-sm">
            暂无日志告警。在 Loki/ES 查询页点击右下角「叮当」可从当前查询快速创建。
          </CardContent>
        </Card>
      ) : (
        <div className="space-y-2">
          {rules.map(rule => (
            <Card key={rule.id} className="dg-card">
              <CardContent className="py-3 px-4 flex flex-wrap items-center gap-3">
                <div className="flex-1 min-w-[200px]">
                  <div className="flex items-center gap-2 flex-wrap">
                    <span className="font-medium text-[var(--dg-text-primary)]">{rule.name}</span>
                    <Badge variant="outline" className="text-[10px] border-[var(--dg-border)]">{rule.source || 'log'}</Badge>
                    <Badge className={`text-[10px] ${severityColor[rule.severity] || ''}`}>{rule.severity}</Badge>
                    {!rule.enabled && rule.enabled !== undefined && (
                      <Badge variant="outline" className="text-[10px] text-[var(--dg-text-muted)]"> {i18n.t('aiops.llmDisabled')} </Badge>
                    )}
                  </div>
                  <p className="text-[11px] font-mono text-[var(--dg-text-muted)] mt-1 truncate" title={rule.expression}>{rule.expression}</p>
                </div>
                <div className="flex gap-1 shrink-0">
                  <Button variant="ghost" size="icon" className="h-8 w-8" onClick={() => { setEditing(rule); setDialogOpen(true); }}>
                    <Pencil className="h-3.5 w-3.5" />
                  </Button>
                  <Button variant="ghost" size="icon" className="h-8 w-8 dg-text-red" onClick={() => handleDelete(rule)}>
                    <Trash2 className="h-3.5 w-3.5" />
                  </Button>
                </div>
              </CardContent>
            </Card>
          ))}
        </div>
      )}

      <AlertRuleDialog
        open={dialogOpen}
        onOpenChange={setDialogOpen}
        editingRule={editing}
        notifyChannels={channels}
        onSaved={load}
        defaultType="log"
      />
    </div>
  );
}