import { CommonModule } from '@angular/common';
import { ChangeDetectionStrategy, Component, DestroyRef, OnInit, computed, inject, signal } from '@angular/core';
import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
import { FormsModule } from '@angular/forms';
import { ActivatedRoute } from '@angular/router';
import { ChevronLeft, ChevronRight, Eye, KeyRound, LoaderCircle, LucideAngularModule, Pencil, Plus, RefreshCw, Search, Trash2, X } from 'lucide-angular';
import { AdminClassSchema, AdminFieldSchema, ResourcePage } from '../admin.models';
import { CloudFunctionsService } from '../cloud-functions.service';

@Component({
  selector: 'app-admin-resource',
  standalone: true,
  imports: [CommonModule, FormsModule, LucideAngularModule],
  templateUrl: './admin-resource.component.html',
  styleUrl: './admin-resource.component.scss',
  changeDetection: ChangeDetectionStrategy.OnPush,
})
export class AdminResourceComponent implements OnInit {
  readonly className = signal('');
  readonly schema = signal<AdminClassSchema | null>(null);
  readonly page = signal<ResourcePage | null>(null);
  readonly loading = signal(true);
  readonly saving = signal(false);
  readonly resettingPassword = signal(false);
  readonly error = signal('');
  readonly search = signal('');
  readonly editorOpen = signal(false);
  readonly draftId = signal('');
  readonly draft = signal<Record<string, unknown>>({});
  readonly fieldErrors = signal<Record<string, string>>({});
  readonly fieldInputs = signal<Record<string, string>>({});
  readonly newPassword = signal('');
  readonly confirmPassword = signal('');
  readonly passwordMessage = signal('');
  readonly passwordError = signal('');
  readonly createUsername = signal('');
  readonly createPassword = signal('');
  readonly createConfirmPassword = signal('');
  readonly createDisplayName = signal('');
  readonly createMobile = signal('');
  readonly createInviteUsername = signal('');
  readonly createUserError = signal('');
  readonly userGroups = signal<Record<string, unknown>[]>([]);
  readonly selectedUserGroupId = signal(0);
  readonly userActionReason = signal('');
  readonly userActionError = signal('');
  readonly userActionMessage = signal('');
  readonly updatingUser = signal(false);
  readonly selectedContentStatus = signal(0);
  readonly targetContentNodeId = signal(0);
  readonly updatingContent = signal(false);
  readonly contentActionError = signal('');
  readonly contentActionMessage = signal('');
  readonly targetNodeParentId = signal(0);
  readonly updatingNode = signal(false);
  readonly nodeActionError = signal('');
  readonly nodeActionMessage = signal('');
  readonly targetSpecialParentId = signal(0);
  readonly updatingSpecial = signal(false);
  readonly specialActionError = signal('');
  readonly specialActionMessage = signal('');
  readonly selectedGuestbookStatus = signal(99);
  readonly guestbookReplyTitle = signal('');
  readonly guestbookReplyContent = signal('');
  readonly updatingGuestbook = signal(false);
  readonly guestbookActionError = signal('');
  readonly guestbookActionMessage = signal('');
  readonly guestCategoryType = signal(0);
  readonly targetGuestCategoryParentId = signal(0);
  readonly targetBarCategoryId = signal(0);
  readonly updatingBar = signal(false);
  readonly barActionError = signal('');
  readonly barActionMessage = signal('');
  readonly targetExamClassParentId = signal(0);
  readonly examClassType = signal(1);
  readonly examClassOrder = signal(0);
  readonly targetExamPointParentId = signal(0);
  readonly examPointOrder = signal(0);
  readonly targetKnowledgeClassId = signal(0);
  readonly targetKnowledgeParentId = signal(0);
  readonly knowledgeOrder = signal(0);
  readonly targetTeacherClassId = signal(0);
  readonly targetDictionaryCategoryId = signal(0);
  readonly dictionaryCategories = signal<Record<string, unknown>[]>([]);
  readonly updatingDictionary = signal(false);
  readonly targetGradeCategoryId = signal(0);
  readonly targetGradeParentId = signal(0);
  readonly filterGradeCategoryId = signal(0);
  readonly filterGradeParentId = signal(0);
  readonly gradeCategories = signal<Record<string, unknown>[]>([]);
  readonly updatingGrade = signal(false);
  readonly updatingCurrency = signal(false);
  readonly selectedIds = signal<string[]>([]);
  readonly bulkError = signal('');
  readonly bulkMessage = signal('');
  readonly icons = { ChevronLeft, ChevronRight, Eye, KeyRound, LoaderCircle, Pencil, Plus, RefreshCw, Search, Trash2, X };
  readonly columns = computed(() => {
    const fields = this.schema()?.fields ?? [];
    const preferred = ['objectId', 'name', 'title', 'categoryname', 'dicname', 'cateName', 'gradeName', 'cClassName', 'testPoint', 'kName', 'tname', 'username', 'realName', 'mobile', 'sourceKey', 'status', 'createdAt', 'updatedAt'];
    const rank = (name: string): number => { const index = preferred.indexOf(name); return index < 0 ? preferred.length : index; };
    return fields.map((field, index) => ({ field, index })).sort((a, b) => rank(a.field.name) - rank(b.field.name) || a.index - b.index).map(({ field }) => field).slice(0, 7);
  });
  readonly pageCount = computed(() => Math.max(1, Math.ceil((this.page()?.total ?? 0) / (this.page()?.pageSize || 20))));
  readonly bulkEnabled = computed(() => ['_User', 'CommonModel', 'Node', 'Special', 'Guestbook', 'GuestBar', 'Datadiccategory', 'Datadic', 'GradeCate', 'Grade', 'Currency'].includes(this.className()));
  readonly allPageSelected = computed(() => {
    const ids = (this.page()?.results || []).map((row) => String(row['objectId'] || '')).filter(Boolean);
    return Boolean(ids.length) && ids.every((id) => this.selectedIds().includes(id));
  });
  private readonly functions = inject(CloudFunctionsService);
  private readonly route = inject(ActivatedRoute);
  private readonly destroyRef = inject(DestroyRef);

  ngOnInit(): void {
    this.route.paramMap.pipe(takeUntilDestroyed(this.destroyRef)).subscribe((params) => {
      this.className.set(params.get('className') ?? '');
      this.search.set('');
      this.filterGradeCategoryId.set(0); this.filterGradeParentId.set(0);
      void this.load(1, true);
    });
  }

  async load(pageNumber = this.page()?.page ?? 1, reloadSchema = false): Promise<void> {
    this.loading.set(true); this.error.set(''); this.selectedIds.set([]); this.bulkError.set(''); this.bulkMessage.set('');
    try {
      if (reloadSchema || !this.schema()) this.schema.set(await this.functions.admin<AdminClassSchema>('schema', { className: this.className() }));
      if (this.className() === 'Grade' && reloadSchema) { await this.loadGradeCategories(); if (!this.filterGradeCategoryId() && this.gradeCategories().length) this.filterGradeCategoryId.set(this.gradeCategoryIdOf(this.gradeCategories()[0])); }
      const pageOperation = this.className() === 'Grade' && this.filterGradeCategoryId() > 0 ? 'gradeOptions' : 'list';
      const pagePayload: Record<string, unknown> = { className: this.className(), page: pageNumber, pageSize: 20, search: this.search().trim() };
      if (pageOperation === 'gradeOptions') { pagePayload['categoryId'] = this.filterGradeCategoryId(); pagePayload['parentId'] = this.filterGradeParentId(); }
      this.page.set(await this.functions.admin<ResourcePage>(pageOperation, pagePayload));
      if (this.className() === '_User' && reloadSchema) await this.loadUserGroups();
      if (this.className() === 'Datadic' && reloadSchema) await this.loadDictionaryCategories();
    } catch (error) { this.error.set(error instanceof Error ? error.message : '数据加载失败'); }
    finally { this.loading.set(false); }
  }

  openCreate(): void { this.draftId.set(''); this.draft.set({}); this.fieldErrors.set({}); this.fieldInputs.set({}); this.resetPasswordFields(); this.resetCreateUserFields(); this.resetUserActions(); this.resetContentActions(); this.resetNodeActions(); this.resetSpecialActions(); this.resetGuestbookActions(); this.resetGuestCategoryActions(); this.resetBarActions(); this.resetExamClassActions(); this.resetExamPointActions(); this.resetKnowledgeActions(); this.resetTeacherActions(); this.resetDictionaryActions(); this.resetGradeActions(); this.editorOpen.set(true); }
  async openEdit(row: Record<string, unknown>): Promise<void> {
    const objectId = String(row['objectId'] ?? '');
    this.error.set('');
    try {
      const detail = await this.functions.admin<Record<string, unknown>>('get', { className: this.className(), objectId });
      this.draftId.set(objectId); this.draft.set(detail); this.fieldErrors.set({}); this.fieldInputs.set({}); this.resetPasswordFields(); this.resetCreateUserFields(); this.resetUserActions(detail); this.resetContentActions(detail); this.resetNodeActions(detail); this.resetSpecialActions(detail); this.resetGuestbookActions(detail); this.resetGuestCategoryActions(detail); this.resetBarActions(detail); this.resetExamClassActions(detail); this.resetExamPointActions(detail); this.resetKnowledgeActions(detail); this.resetTeacherActions(detail); this.resetDictionaryActions(detail); this.resetGradeActions(detail); this.editorOpen.set(true);
      if (this.className() === '_User') await this.loadUserGroups();
    } catch (error) { this.error.set(error instanceof Error ? error.message : '详情加载失败'); }
  }
  closeEditor(): void { this.editorOpen.set(false); this.draft.set({}); this.draftId.set(''); this.fieldErrors.set({}); this.fieldInputs.set({}); this.resetPasswordFields(); this.resetCreateUserFields(); this.resetUserActions(); this.resetContentActions(); this.resetNodeActions(); this.resetSpecialActions(); this.resetGuestbookActions(); this.resetGuestCategoryActions(); this.resetBarActions(); this.resetExamClassActions(); this.resetExamPointActions(); this.resetKnowledgeActions(); this.resetTeacherActions(); this.resetDictionaryActions(); this.resetGradeActions(); }
  setField(field: AdminFieldSchema, raw: unknown): void {
    let value = raw;
    if (field.type === 'Number') value = raw === '' ? null : Number(raw);
    if (field.type === 'Pointer') value = raw ? { __type: 'Pointer', className: field.targetClass, objectId: String(raw) } : null;
    if ((field.type === 'Object' || field.type === 'Array') && typeof raw === 'string') {
      this.fieldInputs.update((current) => ({ ...current, [field.name]: raw }));
      try {
        value = raw.trim() ? JSON.parse(raw) : field.type === 'Array' ? [] : {};
        const valid = field.type === 'Array' ? Array.isArray(value) : Boolean(value) && typeof value === 'object' && !Array.isArray(value);
        if (!valid) throw new Error();
        this.fieldErrors.update((current) => { const next = { ...current }; delete next[field.name]; return next; });
      } catch {
        this.fieldErrors.update((current) => ({ ...current, [field.name]: field.type === 'Array' ? '请输入有效的 JSON 数组' : '请输入有效的 JSON 对象' }));
        return;
      }
    }
    this.draft.update((current) => ({ ...current, [field.name]: value }));
  }
  inputValue(field: AdminFieldSchema): string | number {
    const value = this.draft()[field.name];
    if (field.type === 'Pointer') return String((value as { objectId?: string } | null)?.objectId ?? '');
    if (field.type === 'Date') return String((value as { iso?: string } | string | null)?.hasOwnProperty?.('iso') ? (value as { iso: string }).iso.slice(0, 16) : String(value ?? '').slice(0, 16));
    if (field.type === 'Object' || field.type === 'Array') return this.fieldInputs()[field.name] ?? (value == null ? '' : JSON.stringify(value, null, 2));
    return typeof value === 'number' ? value : String(value ?? '');
  }
  async save(): Promise<void> {
    const invalidFields = Object.keys(this.fieldErrors());
    if (invalidFields.length) { this.error.set(`请先修正字段格式：${invalidFields.join('、')}`); return; }
    this.saving.set(true); this.error.set('');
    try {
      const operation = this.className() === 'Group' ? 'saveGroup'
        : this.className() === 'Node' ? 'saveNode'
          : this.className() === 'Special' ? 'saveSpecial'
            : this.className() === 'Model' ? 'saveModelMetadata'
              : this.className() === 'ModelField' ? 'saveModelFieldMetadata'
                : this.className() === 'Guestbook' ? 'saveGuestbook'
                  : this.className() === 'Guestcate' ? 'saveGuestCategory'
                    : this.className() === 'ExamClass' ? 'saveExamClass'
                      : this.className() === 'ExamPoint' ? 'saveExamPoint'
                        : this.className() === 'QuestionsKnowledge' ? 'saveKnowledge'
                          : this.className() === 'ExTeacher' ? 'saveExamTeacher'
                            : this.className() === 'Datadiccategory' ? 'saveDictionaryCategory'
                              : this.className() === 'Datadic' ? 'saveDictionaryItem'
                                : this.className() === 'GradeCate' ? 'saveGradeCategory'
                                  : this.className() === 'Grade' ? 'saveGradeOption'
                                    : this.className() === 'Currency' ? 'saveCurrency' : 'save';
      const payload: Record<string, unknown> = { className: this.className(), objectId: this.draftId() || undefined, fields: this.draft() };
      if (this.className() === 'Node') payload['parentId'] = this.targetNodeParentId();
      if (this.className() === 'Special') payload['pid'] = this.targetSpecialParentId();
      if (this.className() === 'Guestcate') { payload['gtype'] = this.guestCategoryType(); payload['parentId'] = this.targetGuestCategoryParentId(); }
      if (this.className() === 'ExamClass') { payload['parentId'] = this.targetExamClassParentId(); payload['classType'] = this.examClassType(); payload['orderId'] = this.examClassOrder(); }
      if (this.className() === 'ExamPoint') { payload['parentId'] = this.targetExamPointParentId(); payload['orderId'] = this.examPointOrder(); }
      if (this.className() === 'QuestionsKnowledge') { payload['classId'] = this.targetKnowledgeClassId(); payload['parentId'] = this.targetKnowledgeParentId(); payload['orderId'] = this.knowledgeOrder(); }
      if (this.className() === 'ExTeacher') payload['classId'] = this.targetTeacherClassId();
      if (this.className() === 'Datadic') payload['categoryId'] = this.targetDictionaryCategoryId();
      if (this.className() === 'Grade') { payload['categoryId'] = this.targetGradeCategoryId(); payload['parentId'] = this.targetGradeParentId(); }
      await this.functions.admin(operation, payload);
      this.closeEditor(); await this.load();
    } catch (error) { this.error.set(error instanceof Error ? error.message : '保存失败'); }
    finally { this.saving.set(false); }
  }
  async submitEditor(): Promise<void> {
    if (this.className() === '_User' && !this.draftId()) await this.createUser();
    else await this.save();
  }
  async createUser(): Promise<void> {
    const username = this.createUsername().trim();
    const password = this.createPassword();
    this.createUserError.set('');
    if (this.className() !== '_User' || this.draftId()) { this.createUserError.set('只能从用户管理的新建入口开户'); return; }
    if (username.length < 3 || username.length > 64) { this.createUserError.set('账号长度应为 3 至 64 位'); return; }
    if (password.length < 8 || password.length > 72) { this.createUserError.set('密码长度应为 8 至 72 位'); return; }
    if (password !== this.createConfirmPassword()) { this.createUserError.set('两次输入的密码不一致'); return; }
    const payload: Record<string, unknown> = { username, password };
    const displayName = this.createDisplayName().trim();
    const mobile = this.createMobile().trim();
    const inviteUsername = this.createInviteUsername().trim();
    if (displayName) payload['displayName'] = displayName;
    if (mobile) payload['mobile'] = mobile;
    if (inviteUsername) payload['inviteUsername'] = inviteUsername;
    this.saving.set(true); this.error.set('');
    try {
      await this.functions.admin('createUser', payload);
      this.closeEditor(); await this.load();
    } catch (error) { this.createUserError.set(error instanceof Error ? error.message : '用户开户失败'); }
    finally { this.saving.set(false); }
  }
  async resetPassword(): Promise<void> {
    this.passwordError.set(''); this.passwordMessage.set('');
    if (this.className() !== '_User' || !this.draftId()) { this.passwordError.set('只能重置现有用户密码'); return; }
    if (this.newPassword().length < 8) { this.passwordError.set('新密码至少 8 位'); return; }
    if (this.newPassword() !== this.confirmPassword()) { this.passwordError.set('两次输入的密码不一致'); return; }
    this.resettingPassword.set(true);
    try {
      await this.functions.admin('resetPassword', { className: '_User', objectId: this.draftId(), newPassword: this.newPassword() });
      this.newPassword.set(''); this.confirmPassword.set(''); this.passwordMessage.set('密码已安全重置');
    } catch (error) { this.passwordError.set(error instanceof Error ? error.message : '密码重置失败'); }
    finally { this.resettingPassword.set(false); }
  }
  async setUserDisabled(disabled: boolean): Promise<void> {
    this.userActionError.set(''); this.userActionMessage.set('');
    if (this.className() !== '_User' || !this.draftId()) { this.userActionError.set('只能管理现有用户状态'); return; }
    if (disabled && !confirm('确认停用该账号并撤销其全部登录会话？')) return;
    this.updatingUser.set(true);
    try {
      const result = await this.functions.admin<{ results: Record<string, unknown>[]; revokedSessions: number }>('userBatch', {
        className: '_User', action: disabled ? 'lock' : 'unlock', objectIds: [this.draftId()], reason: this.userActionReason().trim(),
      });
      if (result.results?.[0]) this.draft.set(result.results[0]);
      this.userActionMessage.set(disabled ? `账号已停用，撤销 ${result.revokedSessions || 0} 个会话` : '账号已恢复使用');
      await this.load();
    } catch (error) { this.userActionError.set(error instanceof Error ? error.message : '账号状态更新失败'); }
    finally { this.updatingUser.set(false); }
  }
  async moveUserGroup(): Promise<void> {
    this.userActionError.set(''); this.userActionMessage.set('');
    const groupId = this.selectedUserGroupId();
    if (this.className() !== '_User' || !this.draftId() || !Number.isInteger(groupId) || groupId < 1) { this.userActionError.set('请选择有效用户组'); return; }
    this.updatingUser.set(true);
    try {
      const result = await this.functions.admin<{ results: Record<string, unknown>[] }>('userBatch', { className: '_User', action: 'move', objectIds: [this.draftId()], groupId });
      if (result.results?.[0]) this.draft.set(result.results[0]);
      this.userActionMessage.set(`已移动到用户组 ${groupId}`);
      await this.load();
    } catch (error) { this.userActionError.set(error instanceof Error ? error.message : '用户组更新失败'); }
    finally { this.updatingUser.set(false); }
  }
  async applyContentAction(action: 'status' | 'recycle' | 'recover' | 'move'): Promise<void> {
    this.contentActionError.set(''); this.contentActionMessage.set('');
    if (this.className() !== 'CommonModel' || !this.draftId()) { this.contentActionError.set('只能管理现有内容'); return; }
    if (action === 'recycle' && !confirm('确认将该内容移入回收站？')) return;
    const payload: Record<string, unknown> = { className: 'CommonModel', action, objectIds: [this.draftId()] };
    if (action === 'status') {
      const status = this.selectedContentStatus();
      if (![-3, -1, 0, 99].includes(status)) { this.contentActionError.set('请选择有效内容状态'); return; }
      payload['status'] = status;
    }
    if (action === 'move') {
      const nodeId = this.targetContentNodeId();
      if (!Number.isInteger(nodeId) || nodeId < 1) { this.contentActionError.set('请输入有效目标节点 ID'); return; }
      payload['nodeId'] = nodeId;
    }
    this.updatingContent.set(true);
    try {
      const result = await this.functions.admin<{ results: Record<string, unknown>[] }>('contentBatch', payload);
      if (result.results?.[0]) {
        this.draft.set(result.results[0]);
        this.selectedContentStatus.set(Number(result.results[0]['status']) || 0);
        this.targetContentNodeId.set(Number(result.results[0]['nodeId']) || 0);
      }
      const messages = { status: `内容状态已更新为${this.contentStatusLabel(this.selectedContentStatus())}`, recycle: '内容已移入回收站', recover: '内容已恢复为待审核', move: `内容已移动到节点 ${this.targetContentNodeId()}` };
      this.contentActionMessage.set(messages[action]);
      await this.load();
    } catch (error) { this.contentActionError.set(error instanceof Error ? error.message : '内容操作失败'); }
    finally { this.updatingContent.set(false); }
  }
  toggleSelection(objectId: string, selected: boolean): void {
    this.selectedIds.update((current) => selected ? [...new Set([...current, objectId])] : current.filter((id) => id !== objectId));
  }
  togglePageSelection(selected: boolean): void {
    const pageIds = (this.page()?.results || []).map((row) => String(row['objectId'] || '')).filter(Boolean);
    this.selectedIds.set(selected ? pageIds : []);
  }
  isSelected(objectId: unknown): boolean { return this.selectedIds().includes(String(objectId || '')); }
  async applyBulkUserAction(action: 'lock' | 'unlock' | 'move'): Promise<void> {
    const objectIds = this.selectedIds(); this.bulkError.set(''); this.bulkMessage.set('');
    if (this.className() !== '_User' || !objectIds.length) { this.bulkError.set('请先选择用户'); return; }
    if (action === 'lock' && !confirm(`确认停用选中的 ${objectIds.length} 个账号并撤销全部会话？`)) return;
    const payload: Record<string, unknown> = { className: '_User', action, objectIds };
    if (action === 'move') {
      const groupId = this.selectedUserGroupId();
      if (!Number.isInteger(groupId) || groupId < 1) { this.bulkError.set('请选择有效用户组'); return; }
      payload['groupId'] = groupId;
    } else payload['reason'] = this.userActionReason().trim();
    this.updatingUser.set(true);
    try {
      const result = await this.functions.admin<{ updated: number; revokedSessions: number }>('userBatch', payload);
      const message = action === 'lock' ? `已停用 ${result.updated} 个账号并撤销 ${result.revokedSessions || 0} 个会话` : action === 'unlock' ? `已解锁 ${result.updated} 个账号` : `已移动 ${result.updated} 个用户`;
      await this.load(); this.bulkMessage.set(message);
    } catch (error) { this.bulkError.set(error instanceof Error ? error.message : '批量用户操作失败'); }
    finally { this.updatingUser.set(false); }
  }
  async applyBulkContentAction(action: 'status' | 'recycle' | 'recover' | 'move'): Promise<void> {
    const objectIds = this.selectedIds(); this.bulkError.set(''); this.bulkMessage.set('');
    if (this.className() !== 'CommonModel' || !objectIds.length) { this.bulkError.set('请先选择内容'); return; }
    if (action === 'recycle' && !confirm(`确认将选中的 ${objectIds.length} 条内容移入回收站？`)) return;
    const payload: Record<string, unknown> = { className: 'CommonModel', action, objectIds };
    if (action === 'status') {
      const status = this.selectedContentStatus();
      if (![-3, -1, 0, 99].includes(status)) { this.bulkError.set('请选择有效内容状态'); return; }
      payload['status'] = status;
    }
    if (action === 'move') {
      const nodeId = this.targetContentNodeId();
      if (!Number.isInteger(nodeId) || nodeId < 1) { this.bulkError.set('请输入有效目标节点 ID'); return; }
      payload['nodeId'] = nodeId;
    }
    this.updatingContent.set(true);
    try {
      const result = await this.functions.admin<{ updated: number }>('contentBatch', payload);
      const message = `已处理 ${result.updated} 条内容`; await this.load(); this.bulkMessage.set(message);
    } catch (error) { this.bulkError.set(error instanceof Error ? error.message : '批量内容操作失败'); }
    finally { this.updatingContent.set(false); }
  }
  async applyNodeAction(action: 'recycle' | 'recover' | 'move'): Promise<void> {
    this.nodeActionError.set(''); this.nodeActionMessage.set('');
    if (this.className() !== 'Node' || !this.draftId()) { this.nodeActionError.set('只能管理现有栏目'); return; }
    if (action === 'recycle' && !confirm('确认将该栏目移入回收站？')) return;
    const payload: Record<string, unknown> = { className: 'Node', action, objectIds: [this.draftId()] };
    if (action === 'move') {
      const parentId = this.targetNodeParentId();
      if (!Number.isInteger(parentId) || parentId < 0) { this.nodeActionError.set('请输入有效父节点 ID，顶级栏目填 0'); return; }
      payload['parentId'] = parentId;
    }
    this.updatingNode.set(true);
    try {
      const result = await this.functions.admin<{ results: Record<string, unknown>[] }>('nodeBatch', payload);
      if (result.results?.[0]) { this.draft.set(result.results[0]); this.targetNodeParentId.set(Number(result.results[0]['parentId']) || 0); }
      this.nodeActionMessage.set(action === 'recycle' ? '栏目已移入回收站' : action === 'recover' ? '栏目已恢复' : `栏目已移动到父节点 ${this.targetNodeParentId()}`);
      await this.load();
    } catch (error) { this.nodeActionError.set(error instanceof Error ? error.message : '栏目操作失败'); }
    finally { this.updatingNode.set(false); }
  }
  async applyBulkNodeAction(action: 'recycle' | 'recover' | 'move'): Promise<void> {
    const objectIds = this.selectedIds(); this.bulkError.set(''); this.bulkMessage.set('');
    if (this.className() !== 'Node' || !objectIds.length) { this.bulkError.set('请先选择栏目'); return; }
    if (action === 'recycle' && !confirm(`确认将选中的 ${objectIds.length} 个栏目移入回收站？`)) return;
    const payload: Record<string, unknown> = { className: 'Node', action, objectIds };
    if (action === 'move') {
      const parentId = this.targetNodeParentId();
      if (!Number.isInteger(parentId) || parentId < 0) { this.bulkError.set('请输入有效父节点 ID，顶级栏目填 0'); return; }
      payload['parentId'] = parentId;
    }
    this.updatingNode.set(true);
    try {
      const result = await this.functions.admin<{ updated: number }>('nodeBatch', payload);
      await this.load(); this.bulkMessage.set(`已处理 ${result.updated} 个栏目`);
    } catch (error) { this.bulkError.set(error instanceof Error ? error.message : '批量栏目操作失败'); }
    finally { this.updatingNode.set(false); }
  }
  async moveSpecial(): Promise<void> {
    this.specialActionError.set(''); this.specialActionMessage.set('');
    const pid = this.targetSpecialParentId();
    if (this.className() !== 'Special' || !this.draftId() || !Number.isInteger(pid) || pid < 0) { this.specialActionError.set('请输入有效父专题 ID，顶级专题填 0'); return; }
    this.updatingSpecial.set(true);
    try {
      const result = await this.functions.admin<{ results: Record<string, unknown>[] }>('specialBatch', { className: 'Special', action: 'move', objectIds: [this.draftId()], pid });
      if (result.results?.[0]) { this.draft.set(result.results[0]); this.targetSpecialParentId.set(Number(result.results[0]['pid']) || 0); }
      this.specialActionMessage.set(`专题已移动到父专题 ${pid}`); await this.load();
    } catch (error) { this.specialActionError.set(error instanceof Error ? error.message : '专题移动失败'); }
    finally { this.updatingSpecial.set(false); }
  }
  async applyBulkSpecialMove(): Promise<void> {
    const objectIds = this.selectedIds(); const pid = this.targetSpecialParentId(); this.bulkError.set(''); this.bulkMessage.set('');
    if (this.className() !== 'Special' || !objectIds.length) { this.bulkError.set('请先选择专题'); return; }
    if (!Number.isInteger(pid) || pid < 0) { this.bulkError.set('请输入有效父专题 ID，顶级专题填 0'); return; }
    this.updatingSpecial.set(true);
    try {
      const result = await this.functions.admin<{ updated: number }>('specialBatch', { className: 'Special', action: 'move', objectIds, pid });
      await this.load(); this.bulkMessage.set(`已移动 ${result.updated} 个专题`);
    } catch (error) { this.bulkError.set(error instanceof Error ? error.message : '批量专题移动失败'); }
    finally { this.updatingSpecial.set(false); }
  }
  async applyGuestbookAction(action: 'audit' | 'unaudit' | 'recycle' | 'recover'): Promise<void> {
    this.guestbookActionError.set(''); this.guestbookActionMessage.set('');
    if (this.className() !== 'Guestbook' || !this.draftId()) { this.guestbookActionError.set('只能管理现有留言'); return; }
    if (action === 'recycle' && !confirm('确认将该留言移入回收站？')) return;
    this.updatingGuestbook.set(true);
    try {
      const result = await this.functions.admin<{ results: Record<string, unknown>[] }>('guestbookBatch', { className: 'Guestbook', action, objectIds: [this.draftId()] });
      if (result.results?.[0]) { this.draft.set(result.results[0]); this.selectedGuestbookStatus.set(Number(result.results[0]['status']) || 0); }
      this.guestbookActionMessage.set(action === 'audit' ? '留言已审核' : action === 'unaudit' ? '留言已取消审核' : action === 'recycle' ? '留言已移入回收站' : '留言已恢复'); await this.load();
    } catch (error) { this.guestbookActionError.set(error instanceof Error ? error.message : '留言状态更新失败'); }
    finally { this.updatingGuestbook.set(false); }
  }
  async replyGuestbook(): Promise<void> {
    this.guestbookActionError.set(''); this.guestbookActionMessage.set('');
    const content = this.guestbookReplyContent();
    if (this.className() !== 'Guestbook' || !this.draftId() || !content.trim()) { this.guestbookActionError.set('请输入回复内容'); return; }
    this.updatingGuestbook.set(true);
    try {
      await this.functions.admin('guestbookReply', { className: 'Guestbook', parentObjectId: this.draftId(), title: this.guestbookReplyTitle().trim(), content });
      this.guestbookReplyTitle.set(''); this.guestbookReplyContent.set(''); this.guestbookActionMessage.set('管理员回复已发布');
    } catch (error) { this.guestbookActionError.set(error instanceof Error ? error.message : '管理员回复失败'); }
    finally { this.updatingGuestbook.set(false); }
  }
  async applyBulkGuestbookAction(action: 'audit' | 'unaudit' | 'recycle' | 'recover'): Promise<void> {
    const objectIds = this.selectedIds(); this.bulkError.set(''); this.bulkMessage.set('');
    if (this.className() !== 'Guestbook' || !objectIds.length) { this.bulkError.set('请先选择留言'); return; }
    if (action === 'recycle' && !confirm(`确认将选中的 ${objectIds.length} 条留言移入回收站？`)) return;
    this.updatingGuestbook.set(true);
    try {
      const result = await this.functions.admin<{ updated: number }>('guestbookBatch', { className: 'Guestbook', action, objectIds });
      await this.load(); this.bulkMessage.set(`已处理 ${result.updated} 条留言`);
    } catch (error) { this.bulkError.set(error instanceof Error ? error.message : '批量留言操作失败'); }
    finally { this.updatingGuestbook.set(false); }
  }
  async applyBarAction(action: 'audit' | 'unaudit' | 'recycle' | 'recover' | 'move' | 'top-global' | 'top-section' | 'top-undo' | 'elite' | 'elite-undo' | 'bottom' | 'bottom-undo'): Promise<void> {
    this.barActionError.set(''); this.barActionMessage.set('');
    if (this.className() !== 'GuestBar' || !this.draftId()) { this.barActionError.set('只能管理现有帖子'); return; }
    if (action === 'recycle' && !confirm('确认将该帖子移入回收站？')) return;
    const payload: Record<string, unknown> = { className: 'GuestBar', action, objectIds: [this.draftId()] };
    if (action === 'move') {
      const cateId = this.targetBarCategoryId();
      if (!Number.isInteger(cateId) || cateId < 1) { this.barActionError.set('请输入有效目标贴吧分类 ID'); return; }
      payload['cateId'] = cateId;
    }
    this.updatingBar.set(true);
    try {
      const result = await this.functions.admin<{ results: Record<string, unknown>[] }>('barBatch', payload);
      if (result.results?.[0]) { this.draft.set(result.results[0]); this.targetBarCategoryId.set(Number(result.results[0]['cateId']) || 0); }
      this.barActionMessage.set('帖子状态已更新'); await this.load();
    } catch (error) { this.barActionError.set(error instanceof Error ? error.message : '帖子操作失败'); }
    finally { this.updatingBar.set(false); }
  }
  async applyBulkBarAction(action: 'audit' | 'unaudit' | 'recycle' | 'recover' | 'move' | 'top-global' | 'top-section' | 'top-undo' | 'elite' | 'elite-undo' | 'bottom' | 'bottom-undo'): Promise<void> {
    const objectIds = this.selectedIds(); this.bulkError.set(''); this.bulkMessage.set('');
    if (this.className() !== 'GuestBar' || !objectIds.length) { this.bulkError.set('请先选择帖子'); return; }
    if (action === 'recycle' && !confirm(`确认将选中的 ${objectIds.length} 条帖子移入回收站？`)) return;
    const payload: Record<string, unknown> = { className: 'GuestBar', action, objectIds };
    if (action === 'move') {
      const cateId = this.targetBarCategoryId();
      if (!Number.isInteger(cateId) || cateId < 1) { this.bulkError.set('请输入有效目标贴吧分类 ID'); return; }
      payload['cateId'] = cateId;
    }
    this.updatingBar.set(true);
    try { const result = await this.functions.admin<{ updated: number }>('barBatch', payload); await this.load(); this.bulkMessage.set(`已处理 ${result.updated} 条帖子`); }
    catch (error) { this.bulkError.set(error instanceof Error ? error.message : '批量帖子操作失败'); }
    finally { this.updatingBar.set(false); }
  }
  async applyBulkDictionaryAction(action: 'enable' | 'disable' | 'delete'): Promise<void> {
    const objectIds = this.selectedIds(); this.bulkError.set(''); this.bulkMessage.set('');
    if (!['Datadiccategory', 'Datadic'].includes(this.className()) || !objectIds.length) { this.bulkError.set('请先选择字典记录'); return; }
    if (action === 'delete' && !confirm(`确认删除选中的 ${objectIds.length} 条字典记录？`)) return;
    this.updatingDictionary.set(true);
    try {
      const result = await this.functions.admin<{ updated: number }>('dictionaryBatch', { className: this.className(), action, objectIds });
      await this.load(); this.bulkMessage.set(`已处理 ${result.updated} 条字典记录`);
    } catch (error) { this.bulkError.set(error instanceof Error ? error.message : '批量字典操作失败'); }
    finally { this.updatingDictionary.set(false); }
  }
  async applyBulkGradeDelete(): Promise<void> {
    const objectIds = this.selectedIds(); this.bulkError.set(''); this.bulkMessage.set('');
    if (!['GradeCate', 'Grade'].includes(this.className()) || !objectIds.length) { this.bulkError.set('请先选择多级字典记录'); return; }
    if (!confirm(`确认删除选中的 ${objectIds.length} 条多级字典记录？`)) return;
    this.updatingGrade.set(true);
    try { const result = await this.functions.admin<{ updated: number }>('gradeBatch', { className: this.className(), action: 'delete', objectIds }); await this.load(); this.bulkMessage.set(`已删除 ${result.updated} 条多级字典记录`); }
    catch (error) { this.bulkError.set(error instanceof Error ? error.message : '批量删除多级字典失败'); }
    finally { this.updatingGrade.set(false); }
  }
  async applyBulkCurrencyDelete(): Promise<void> {
    const objectIds = this.selectedIds(); this.bulkError.set(''); this.bulkMessage.set('');
    if (this.className() !== 'Currency' || !objectIds.length) { this.bulkError.set('请先选择货币记录'); return; }
    if (!confirm(`确认删除选中的 ${objectIds.length} 条货币记录？`)) return;
    this.updatingCurrency.set(true);
    try { const result = await this.functions.admin<{ updated: number }>('currencyBatch', { className: 'Currency', action: 'delete', objectIds }); await this.load(); this.bulkMessage.set(`已删除 ${result.updated} 条货币记录`); }
    catch (error) { this.bulkError.set(error instanceof Error ? error.message : '批量删除货币失败'); }
    finally { this.updatingCurrency.set(false); }
  }
  async remove(row: Record<string, unknown>): Promise<void> {
    const objectId = String(row['objectId'] ?? '');
    const verb = ['CommonModel', 'Node', 'Guestbook'].includes(this.className()) ? '移入回收站' : '删除';
    if (!objectId || !confirm(`确认${verb} ${this.className()} / ${objectId}？`)) return;
    try { await this.functions.admin('delete', { className: this.className(), objectId }); await this.load(); }
    catch (error) { this.error.set(error instanceof Error ? error.message : '删除失败'); }
  }
  display(value: unknown): string {
    if (value == null || value === '') return '—';
    if (typeof value === 'object') {
      const data = value as Record<string, unknown>;
      return String(data['name'] ?? data['title'] ?? data['username'] ?? data['objectId'] ?? JSON.stringify(value));
    }
    return String(value);
  }
  groupIdOf(group: Record<string, unknown>): number { return Number(group['groupId']) || 0; }
  groupLabel(group: Record<string, unknown>): string { return `${String(group['groupName'] || group['name'] || '未命名组')}（${this.groupIdOf(group)}）`; }
  dictionaryCategoryIdOf(category: Record<string, unknown>): number { return Number(category['diccateid']) || 0; }
  gradeCategoryIdOf(category: Record<string, unknown>): number { return Number(category['cateId']) || 0; }
  contentStatusValue(): number { return Number(this.draft()['status']) || 0; }
  contentStatusLabel(status: number): string { return ({ [-3]: '草稿', [-2]: '回收站', [-1]: '未通过', 0: '待审核', 99: '已审核' } as Record<number, string>)[status] || String(status); }
  nodeStatusValue(): number { return Number(this.draft()['zstatus'] ?? 99); }
  private async loadUserGroups(): Promise<void> {
    try {
      const groups = await this.functions.admin<ResourcePage>('list', { className: 'Group', page: 1, pageSize: 100, sort: 'orderId', order: 'asc' });
      this.userGroups.set(groups.results);
    } catch (error) { this.userGroups.set([]); this.userActionError.set(error instanceof Error ? error.message : '用户组加载失败'); }
  }
  private async loadDictionaryCategories(): Promise<void> {
    try {
      const result = await this.functions.admin<{ results: Record<string, unknown>[] }>('dictionaryCategories', { enabledOnly: false });
      this.dictionaryCategories.set(result.results || []);
    } catch (error) { this.dictionaryCategories.set([]); this.error.set(error instanceof Error ? error.message : '字典分类加载失败'); }
  }
  private async loadGradeCategories(): Promise<void> {
    try { const result = await this.functions.admin<{ results: Record<string, unknown>[] }>('gradeCategories', {}); this.gradeCategories.set(result.results || []); }
    catch (error) { this.gradeCategories.set([]); this.error.set(error instanceof Error ? error.message : '多级字典分类加载失败'); }
  }
  private resetPasswordFields(): void { this.newPassword.set(''); this.confirmPassword.set(''); this.passwordMessage.set(''); this.passwordError.set(''); }
  private resetCreateUserFields(): void { this.createUsername.set(''); this.createPassword.set(''); this.createConfirmPassword.set(''); this.createDisplayName.set(''); this.createMobile.set(''); this.createInviteUsername.set(''); this.createUserError.set(''); }
  private resetUserActions(detail: Record<string, unknown> = {}): void { this.userGroups.set([]); this.selectedUserGroupId.set(Number(detail['legacyGroupId'] ?? (detail['legacyUserData'] as Record<string, unknown> | undefined)?.['GroupID']) || 0); this.userActionReason.set(''); this.userActionError.set(''); this.userActionMessage.set(''); }
  private resetContentActions(detail: Record<string, unknown> = {}): void { this.selectedContentStatus.set(Number(detail['status']) || 0); this.targetContentNodeId.set(Number(detail['nodeId']) || 0); this.contentActionError.set(''); this.contentActionMessage.set(''); }
  private resetNodeActions(detail: Record<string, unknown> = {}): void { this.targetNodeParentId.set(Number(detail['parentId']) || 0); this.nodeActionError.set(''); this.nodeActionMessage.set(''); }
  private resetSpecialActions(detail: Record<string, unknown> = {}): void { this.targetSpecialParentId.set(Number(detail['pid']) || 0); this.specialActionError.set(''); this.specialActionMessage.set(''); }
  private resetGuestbookActions(detail: Record<string, unknown> = {}): void { this.selectedGuestbookStatus.set(Number(detail['status'] ?? 99)); this.guestbookReplyTitle.set(''); this.guestbookReplyContent.set(''); this.guestbookActionError.set(''); this.guestbookActionMessage.set(''); }
  private resetGuestCategoryActions(detail: Record<string, unknown> = {}): void { this.guestCategoryType.set(Number(detail['gtype']) || 0); this.targetGuestCategoryParentId.set(Number(detail['parentId']) || 0); }
  private resetBarActions(detail: Record<string, unknown> = {}): void { this.targetBarCategoryId.set(Number(detail['cateId']) || 0); this.barActionError.set(''); this.barActionMessage.set(''); }
  private resetExamClassActions(detail: Record<string, unknown> = {}): void { this.targetExamClassParentId.set(Number(detail['cClassid']) || 0); this.examClassType.set(Number(detail['cClassType']) || 1); this.examClassOrder.set(Number(detail['cOrderBy']) || 0); }
  private resetExamPointActions(detail: Record<string, unknown> = {}): void { this.targetExamPointParentId.set(Number(detail['tid']) || 0); this.examPointOrder.set(Number(detail['orderBy']) || 0); }
  private resetKnowledgeActions(detail: Record<string, unknown> = {}): void { this.targetKnowledgeClassId.set(Number(detail['kClassId']) || 0); this.targetKnowledgeParentId.set(Number(detail['pid']) || 0); this.knowledgeOrder.set(Number(detail['kOrderBy']) || 0); }
  private resetTeacherActions(detail: Record<string, unknown> = {}): void { this.targetTeacherClassId.set(Number(detail['tclsss']) || 0); }
  private resetDictionaryActions(detail: Record<string, unknown> = {}): void { this.targetDictionaryCategoryId.set(Number(detail['diccate']) || 0); }
  private resetGradeActions(detail: Record<string, unknown> = {}): void { this.targetGradeCategoryId.set(Number(detail['cate']) || this.filterGradeCategoryId()); this.targetGradeParentId.set(Number(detail['parentId']) || this.filterGradeParentId()); }
}