// CreateHPADialog.tsx — 创建 HPA 弹窗 // Logan.Li
import { useState } from 'react';
import { Plus, Loader2 } from 'lucide-react';
import { Button } from '@/components/ui/button';
import { Input } from '@/components/ui/input';
import { Label } from '@/components/ui/label';
import { kubernetesApi } from '@/api';
import { useToast } from '@/hooks/use-toast';
import { getErrorMessage } from '@/lib/utils';
import i18n from '@/i18n';

export interface CreateHPADialogProps {
  clusterCode: string;
  namespace: string;
  deploymentName: string;
  onCreated: () => void;
}

export function CreateHPADialog({ clusterCode, namespace, deploymentName, onCreated }: CreateHPADialogProps) {
  const { toast } = useToast();
  const [open, setOpen] = useState(false);
  const [loading, setLoading] = useState(false);
  const [form, setForm] = useState({
    name: '',
    minReplicas: 1,
    maxReplicas: 10,
    cpuPercent: 80,
    memPercent: 0,
  });

  const handleCreate = async () => {
    if (!form.name.trim()) {
      toast({ title: i18n.t('k8s.misc.name'), variant: 'destructive' });
      return;
    }
    setLoading(true);
    try {
      await kubernetesApi.createHPA(clusterCode, {
        name: form.name,
        namespace,
        targetKind: 'Deployment',
        targetName: deploymentName,
        minReplicas: form.minReplicas,
        maxReplicas: form.maxReplicas,
        cpuPercent: form.cpuPercent,
        memPercent: form.memPercent,
      });
      toast({ title: i18n.t('k8s.misc.createSuccess1') });
      setOpen(false);
      onCreated();
      setForm({ name: '', minReplicas: 1, maxReplicas: 10, cpuPercent: 80, memPercent: 0 });
    } catch (e: unknown) {
      toast({ title: i18n.t('k8s.misc.failed1'), description: getErrorMessage(e), variant: 'destructive' });
    } finally { setLoading(false); }
  };

  return (
    <>
      <Button variant="outline" size="sm" className="border-[var(--dg-border)] text-[var(--dg-text-secondary)]" onClick={() => setOpen(true)}>
        <Plus className="h-3.5 w-3.5 mr-1" />创建 HPA
      </Button>
      {open && (
        <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/60 p-4" onClick={() => setOpen(false)}>
          <div className="bg-[var(--dg-bg-secondary)] border border-[var(--dg-border)] rounded-xl w-[480px] max-w-[92vw] max-h-[85vh] flex flex-col" onClick={(e) => e.stopPropagation()}>
            <h2 className="text-lg font-bold text-[var(--dg-text-primary)] px-6 pt-6 pb-4 shrink-0">创建 HPA</h2>
            <div className="flex-1 min-h-0 overflow-y-auto px-6 space-y-3">
              <div>
                <Label className="dg-text-secondary text-sm">名称</Label>
                <Input value={form.name} onChange={(e) => setForm({ ...form, name: e.target.value })}
                  placeholder={`hpa-${deploymentName}`}
                  className="dg-input mt-1" />
              </div>
              <div>
                <Label className="dg-text-secondary text-sm">目标</Label>
                <p className="text-[var(--dg-text-secondary)] text-sm mt-1 bg-[var(--dg-bg-tertiary)] rounded px-3 py-2 truncate" title={`Deployment: ${deploymentName} · 命名空间: ${namespace}`}>
                  Deployment: {deploymentName} · 命名空间: {namespace}
                </p>
              </div>
              <div className="grid grid-cols-2 gap-3">
                <div>
                  <Label className="dg-text-secondary text-sm">最小副本数</Label>
                  <Input type="number" value={form.minReplicas} min={1}
                    onChange={(e) => setForm({ ...form, minReplicas: Number(e.target.value) })}
                    className="dg-input mt-1" />
                </div>
                <div>
                  <Label className="dg-text-secondary text-sm">最大副本数</Label>
                  <Input type="number" value={form.maxReplicas} min={1}
                    onChange={(e) => setForm({ ...form, maxReplicas: Number(e.target.value) })}
                    className="dg-input mt-1" />
                </div>
              </div>
              <div className="grid grid-cols-2 gap-3">
                <div>
                  <Label className="dg-text-secondary text-sm">CPU 目标 (%)</Label>
                  <Input type="number" value={form.cpuPercent} min={0} max={100}
                    onChange={(e) => setForm({ ...form, cpuPercent: Number(e.target.value) })}
                    className="dg-input mt-1" />
                </div>
                <div>
                  <Label className="dg-text-secondary text-sm">{i18n.t('k8s.misc.memory1')} <span className="dg-text-muted">可选</span></Label>
                  <Input type="number" value={form.memPercent} min={0} max={100}
                    onChange={(e) => setForm({ ...form, memPercent: Number(e.target.value) })}
                    className="dg-input mt-1" />
                </div>
              </div>
            </div>
            <div className="flex justify-end gap-2 px-6 py-4 border-t border-[var(--dg-border)] shrink-0">
              <Button variant="outline" className="border-[var(--dg-border)] dg-text-secondary" onClick={() => setOpen(false)}>取消</Button>
              <Button className="bg-blue-600 hover:bg-blue-700" disabled={loading} onClick={handleCreate}>
                {loading ? <Loader2 className="h-4 w-4 animate-spin" /> : i18n.t('common.create')}
              </Button>
            </div>
          </div>
        </div>
      )}
    </>
  );
}