// deployment-storage-fields — 存储卷类型字段 + 命名空间资源下拉关联 // Logan.Li
import { Button } from '@/components/ui/button';
import { Input } from '@/components/ui/input';
import { RefreshCw, Plus, Loader2 } from 'lucide-react';
import type { VolumeForm } from './deployment-volume-utils';

export interface NamespaceResourceLists {
  configMaps: string[];
  secrets: string[];
  pvcs: string[];
}

/** 从列表 API 响应提取资源名称 // Logan.Li */
export function extractResourceNames(res: unknown): string[] {
  const arr = Array.isArray(res) ? res : ((res as Record<string, unknown>)?.list || (res as Record<string, unknown>)?.data || []);
  if (!Array.isArray(arr)) return [];
  return arr.map((x) => String((x as Record<string, unknown>)?.name || '')).filter(Boolean).sort();
}

interface ResourcePickerProps {
  label: string;
  value: string;
  options: string[];
  loading?: boolean;
  onChange: (name: string) => void;
  onRefresh: () => void;
  onCreate: () => void;
}

/** 命名空间资源下拉：关联已有 / 刷新 / 新建 // Logan.Li */
export function NamespaceResourcePicker({
  label, value, options, loading, onChange, onRefresh, onCreate,
}: ResourcePickerProps) {
  const orphan = value && !options.includes(value);
  return (
    <div className="flex items-center gap-2 flex-wrap flex-1 min-w-0">
      <span className="text-[10px] dg-text-muted w-20 shrink-0">{label}</span>
      <select
        value={value || ''}
        onChange={(e) => onChange(e.target.value)}
        disabled={loading}
        className="h-7 flex-1 min-w-[160px] max-w-xs bg-[var(--dg-bg-tertiary)] border border-[var(--dg-border)] rounded text-xs text-[var(--dg-text-secondary)] px-2 font-mono"
      >
        <option value="" disabled>{options.length === 0 ? '暂无资源' : '请选择'}</option>
        {orphan && <option value={value}>{value}（未在集群中找到）</option>}
        {options.map((n) => <option key={n} value={n}>{n}</option>)}
      </select>
      <Button type="button" size="sm" variant="outline" className="h-7 px-2 border-[var(--dg-border)] dg-text-secondary text-xs" onClick={onRefresh} disabled={loading}>
        {loading ? <Loader2 className="h-3 w-3 animate-spin" /> : <RefreshCw className="h-3 w-3" />}
      </Button>
      <Button type="button" size="sm" variant="outline" className="h-7 px-2 border-[var(--dg-border)] dg-text-blue text-xs" onClick={onCreate}>
        <Plus className="h-3 w-3 mr-0.5" />新建
      </Button>
      {options.length === 0 && !orphan && (
        <span className="text-[10px] dg-text-yellow/90">命名空间内暂无{label}，请先新建</span>
      )}
    </div>
  );
}

interface VolumeTypeFieldsProps {
  vol: VolumeForm;
  resources: NamespaceResourceLists;
  resourcesLoading: boolean;
  onChange: (p: Partial<VolumeForm>) => void;
  onRefreshResources: () => void;
  onCreateResource: (kind: 'configmaps' | 'secrets' | 'pvcs') => void;
}

export function VolumeTypeFields({
  vol, resources, resourcesLoading, onChange, onRefreshResources, onCreateResource,
}: VolumeTypeFieldsProps) {
  if (vol.type === 'persistentVolumeClaim') {
    return (
      <div className="space-y-2">
        <NamespaceResourcePicker
          label="PVC 关联"
          value={vol.pvcName || ''}
          options={resources.pvcs}
          loading={resourcesLoading}
          onChange={(name) => onChange({ pvcName: name })}
          onRefresh={onRefreshResources}
          onCreate={() => onCreateResource('pvcs')}
        />
        <label className="flex items-center gap-1.5 text-xs dg-text-secondary cursor-pointer whitespace-nowrap pl-[88px]">
          <input type="checkbox" checked={!!vol.pvcReadOnly} onChange={(e) => onChange({ pvcReadOnly: e.target.checked })} className="accent-blue-500" />
          卷只读
        </label>
      </div>
    );
  }
  if (vol.type === 'emptyDir') {
    return (
      <div className="flex items-center gap-2 flex-wrap">
        <span className="text-[10px] dg-text-muted w-20 shrink-0">介质</span>
        <select value={vol.medium || ''} onChange={(e) => onChange({ medium: e.target.value })}
          className="h-7 w-28 bg-[var(--dg-bg-tertiary)] border border-[var(--dg-border)] rounded text-xs text-[var(--dg-text-secondary)] px-1.5">
          <option value="">默认磁盘</option>
          <option value="Memory">Memory</option>
        </select>
        <Input value={vol.sizeLimit || ''} onChange={(e) => onChange({ sizeLimit: e.target.value })}
          placeholder="sizeLimit 如 512Mi" className="h-7 flex-1 min-w-[120px] dg-input text-[var(--dg-text-secondary)] text-xs font-mono" />
      </div>
    );
  }
  if (vol.type === 'hostPath') {
    return (
      <div className="flex items-center gap-2 flex-wrap">
        <span className="text-[10px] dg-text-muted w-20 shrink-0">主机路径</span>
        <Input value={vol.path || ''} onChange={(e) => onChange({ path: e.target.value })}
          placeholder="/data/app" className="h-7 flex-1 min-w-[160px] dg-input text-[var(--dg-text-secondary)] text-xs font-mono" />
        <select value={vol.pathType || 'Directory'} onChange={(e) => onChange({ pathType: e.target.value })}
          className="h-7 w-28 bg-[var(--dg-bg-tertiary)] border border-[var(--dg-border)] rounded text-xs text-[var(--dg-text-secondary)] px-1.5">
          <option value="Directory">Directory</option>
          <option value="File">File</option>
          <option value="">默认</option>
        </select>
      </div>
    );
  }
  if (vol.type === 'nfs') {
    return (
      <div className="flex items-center gap-2 flex-wrap">
        <span className="text-[10px] dg-text-muted w-20 shrink-0">NFS</span>
        <Input value={vol.nfsServer || ''} onChange={(e) => onChange({ nfsServer: e.target.value })}
          placeholder="Server IP" className="h-7 w-36 dg-input text-[var(--dg-text-secondary)] text-xs font-mono" />
        <Input value={vol.nfsPath || ''} onChange={(e) => onChange({ nfsPath: e.target.value })}
          placeholder="/export/path" className="h-7 flex-1 min-w-[120px] dg-input text-[var(--dg-text-secondary)] text-xs font-mono" />
      </div>
    );
  }
  if (vol.type === 'configMap') {
    return (
      <div className="space-y-2">
        <NamespaceResourcePicker
          label="ConfigMap"
          value={vol.configMapName || ''}
          options={resources.configMaps}
          loading={resourcesLoading}
          onChange={(name) => onChange({ configMapName: name })}
          onRefresh={onRefreshResources}
          onCreate={() => onCreateResource('configmaps')}
        />
        <div className="flex items-center gap-2 pl-[88px]">
          <span className="text-[10px] dg-text-muted shrink-0">键映射</span>
          <Input value={vol.cmItems || ''} onChange={(e) => onChange({ cmItems: e.target.value })}
            placeholder="key:path（可选，挂载子项）" className="h-7 flex-1 max-w-md dg-input text-[var(--dg-text-secondary)] text-xs font-mono" />
        </div>
      </div>
    );
  }
  if (vol.type === 'secret') {
    return (
      <div className="space-y-2">
        <NamespaceResourcePicker
          label="Secret"
          value={vol.secretName || ''}
          options={resources.secrets}
          loading={resourcesLoading}
          onChange={(name) => onChange({ secretName: name })}
          onRefresh={onRefreshResources}
          onCreate={() => onCreateResource('secrets')}
        />
        <div className="flex items-center gap-2 pl-[88px]">
          <span className="text-[10px] dg-text-muted shrink-0">键映射</span>
          <Input value={vol.secItems || ''} onChange={(e) => onChange({ secItems: e.target.value })}
            placeholder="key:path（可选，挂载子项）" className="h-7 flex-1 max-w-md dg-input text-[var(--dg-text-secondary)] text-xs font-mono" />
        </div>
      </div>
    );
  }
  if (vol.type === 'custom') {
    return <p className="text-[11px] dg-text-yellow/80">未识别卷类型，保存时将保留原始 YAML 结构</p>;
  }
  return null;
}