fmode-app/src/app/mobile/pages/admin/users/users.ts

import { ChangeDetectionStrategy, Component, computed, inject, OnInit, signal } from '@angular/core';
import { FormsModule } from '@angular/forms';
import { Router } from '@angular/router';
import { OrgUser } from '../../../../core/api/models';
import { OrgUsersService } from '../../../../core/org-users.service';
import { MAppBarComponent } from '../../../components/m-app-bar/m-app-bar';
import { MEmptyComponent } from '../../../components/m-empty/m-empty';

/**
 * 移动·组织成员管理（2026-11-10）
 *
 * ## 为什么不是把 PC 表格搬过来
 *
 * 手机上五列表格必然横向溢出、字小到不可读。移动端改为：
 * - **卡片行**：姓名 + 子信息纵向排布，整行可点
 * - **搜索吸顶**：滚动时仍能改关键词
 * - **操作走底部抽屉**：编辑/新增都是全屏 sheet，而不是居中小弹窗
 * - **分页改为「加载更多」**：手机上点页码很别扭，上一页/下一页语义也更顺
 *
 * 所有触控区 ≥44px，正文 ≥16px（移动端规范）。
 */
@Component({
  selector: 'app-mb-admin-users-page',
  changeDetection: ChangeDetectionStrategy.OnPush,
  imports: [FormsModule, MAppBarComponent, MEmptyComponent],
  template: `
    <app-m-app-bar [title]="'成员管理'" [subtitle]="'共 ' + svc.total() + ' 人'" [back]="true" (backTap)="back()">
      <button barRight type="button" class="m-fab" aria-label="添加成员" (click)="openAdd()">
        <i class="fa-solid fa-user-plus" aria-hidden="true"></i>
      </button>
    </app-m-app-bar>

    <!-- 搜索吸顶 -->
    <div class="m-search">
      <input
        class="m-search-input"
        type="search"
        placeholder="搜索昵称 / 手机号 / 用户 ID"
        [(ngModel)]="keywordModel"
        (keydown.enter)="runSearch()"
        aria-label="搜索成员"
      />
      <button type="button" class="m-search-btn" (click)="runSearch()">搜索</button>
    </div>

    <main class="m-body">
      @switch (svc.state()) {
        @case ('loading') {
          <ul class="m-list">
            @for (i of [1, 2, 3, 4]; track i) {
              <li class="m-card m-skel" aria-hidden="true"></li>
            }
          </ul>
        }
        @case ('error') {
          <app-m-empty [title]="'加载失败'" [description]="svc.error() ?? ''" />
          <button type="button" class="m-retry" (click)="reload()">重新加载</button>
        }
        @case ('empty') {
          @if (svc.hasKeyword()) {
            <app-m-empty title="没有找到匹配的成员" description="换个关键词，或清除搜索条件。" />
          } @else {
            <app-m-empty title="组织里还没有成员" description="点右上角加号，输入用户 ID 把人拉进来。" />
          }
        }
        @default {
          <ul class="m-list">
            @for (u of svc.items(); track u.id) {
              <li class="m-card">
                <button type="button" class="m-row" (click)="openEdit(u)">
                  <span class="m-avatar" aria-hidden="true">{{ initialOf(u) }}</span>
                  <span class="m-main">
                    <span class="m-name">{{ u.nickname || u.username || '未命名' }}</span>
                    <span class="m-sub">{{ u.mobile || '未填手机号' }}</span>
                    <span class="m-id">{{ u.id }}</span>
                  </span>
                  <i class="fa-solid fa-chevron-right" aria-hidden="true"></i>
                </button>
                <div class="m-actions">
                  <button type="button" class="m-act" (click)="openEdit(u)">编辑</button>
                  <button type="button" class="m-act danger" (click)="askRemove(u)">移除</button>
                </div>
              </li>
            }
          </ul>

          @if (svc.page() < svc.pageCount()) {
            <button type="button" class="m-more" [disabled]="svc.state() === 'loading'" (click)="loadMore()">
              加载更多（{{ svc.page() }}/{{ svc.pageCount() }}）
            </button>
          } @else if (svc.pageCount() > 1) {
            <p class="m-end">已到底</p>
          }
        }
      }
    </main>

    <!-- 编辑 / 新增：全屏 sheet，不用居中小弹窗 -->
    @if (sheetOpen()) {
      <div class="m-sheet-mask" (click)="closeSheet()" aria-hidden="true"></div>
      <section class="m-sheet" role="dialog" aria-modal="true" [attr.aria-label]="sheetTitle()">
        <header class="m-sheet-head">
          <h2>{{ sheetTitle() }}</h2>
          <button type="button" class="m-sheet-x" aria-label="关闭" (click)="closeSheet()">
            <i class="fa-solid fa-xmark" aria-hidden="true"></i>
          </button>
        </header>

        @if (mode() === 'add') {
          <label class="m-field">
            <span>用户 ID</span>
            <input type="text" [(ngModel)]="form.userId" placeholder="粘贴对方「等待加入组织」页上的 ID" />
          </label>
        } @else {
          <label class="m-field">
            <span>昵称</span>
            <input type="text" [(ngModel)]="form.nickname" />
          </label>
          <label class="m-field">
            <span>手机号</span>
            <input type="tel" [(ngModel)]="form.mobile" placeholder="11 位手机号" />
          </label>
          <label class="m-field">
            <span>重置密码</span>
            <input type="password" [(ngModel)]="form.password" placeholder="留空表示不修改" />
          </label>
        }

        @if (formError()) {
          <p class="m-err" role="alert">{{ formError() }}</p>
        }

        <button type="button" class="m-submit" [disabled]="submitting()" (click)="submit()">
          {{ submitting() ? '提交中…' : '确定' }}
        </button>
      </section>
    }

    <!-- 移除确认：也用 sheet，避免居中小弹窗在窄屏被键盘顶飞 -->
    @if (removeTarget(); as target) {
      <div class="m-sheet-mask" (click)="removeTarget.set(null)" aria-hidden="true"></div>
      <section class="m-sheet" role="alertdialog" aria-modal="true" aria-label="移除成员">
        <header class="m-sheet-head">
          <h2>移除成员</h2>
        </header>
        <p class="m-confirm-text">
          确定把「{{ target.nickname || target.username }}」移出本组织吗？对方将无法继续使用。
        </p>
        @if (formError()) {
          <p class="m-err" role="alert">{{ formError() }}</p>
        }
        <button type="button" class="m-submit danger" [disabled]="submitting()" (click)="confirmRemove()">
          {{ submitting() ? '处理中…' : '确认移除' }}
        </button>
      </section>
    }
  `,
  styles: [
    `
      :host {
        display: flex;
        flex-direction: column;
        height: 100dvh;
        background: var(--canvas);
      }
      .m-fab {
        width: 44px;
        height: 44px;
        border: 0;
        background: transparent;
        color: var(--ink);
      }
      /* 搜索吸顶：滚动列表时仍可改关键词 */
      .m-search {
        flex: none;
        display: flex;
        gap: var(--sp-2);
        padding: var(--sp-3) var(--sp-4);
        background: var(--surface);
        border-bottom: 1px solid var(--edge);
      }
      .m-search-input {
        flex: 1;
        min-height: 44px;
        padding: 0 var(--sp-3);
        border: 1px solid var(--edge);
        border-radius: var(--radius-m);
        background: var(--surface-2);
        color: var(--ink);
        font-size: var(--fs-16); /* iOS 输入框 <16px 会触发自动放大 */
      }
      .m-search-btn {
        min-width: 64px;
        min-height: 44px;
        border: 1px solid var(--primary);
        border-radius: var(--radius-m);
        background: var(--primary);
        color: var(--inverse);
        font-size: var(--fs-14);
      }
      .m-body {
        flex: 1;
        min-height: 0;
        overflow-y: auto;
        padding: var(--sp-3) var(--sp-4) var(--sp-8);
      }
      .m-list {
        list-style: none;
        margin: 0;
        padding: 0;
        display: grid;
        gap: var(--sp-3);
      }
      .m-card {
        background: var(--surface);
        border: 1px solid var(--edge);
        border-radius: var(--radius-m);
        overflow: hidden;
      }
      .m-skel {
        height: 96px;
        background: var(--surface-2);
      }
      .m-row {
        display: flex;
        align-items: center;
        gap: var(--sp-3);
        width: 100%;
        min-height: 64px;
        padding: var(--sp-3) var(--sp-4);
        border: 0;
        background: transparent;
        text-align: left;
        color: var(--ink-2);
        cursor: pointer;
      }
      .m-avatar {
        flex: none;
        display: grid;
        place-items: center;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: var(--surface-2);
        color: var(--ink);
        font-size: var(--fs-16);
      }
      .m-main {
        flex: 1;
        min-width: 0;
        display: grid;
        gap: 2px;
      }
      .m-name {
        color: var(--ink);
        font-size: var(--fs-16);
        font-weight: 600;
      }
      .m-sub {
        color: var(--muted);
        font-size: var(--fs-13);
      }
      .m-id {
        color: var(--faint);
        font-size: var(--fs-12);
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }
      .m-actions {
        display: flex;
        border-top: 1px solid var(--edge);
      }
      .m-act {
        flex: 1;
        min-height: 44px;
        border: 0;
        background: transparent;
        color: var(--ink-2);
        font-size: var(--fs-14);
      }
      .m-act.danger {
        color: var(--danger);
      }
      .m-more {
        display: block;
        width: 100%;
        min-height: 44px;
        margin-top: var(--sp-4);
        border: 1px solid var(--edge);
        border-radius: var(--radius-m);
        background: var(--surface);
        color: var(--ink-2);
        font-size: var(--fs-14);
      }
      .m-end {
        text-align: center;
        color: var(--faint);
        font-size: var(--fs-12);
        margin: var(--sp-4) 0 0;
      }
      .m-retry {
        display: block;
        margin: var(--sp-4) auto 0;
        min-height: 44px;
        padding: 0 var(--sp-5);
        border: 1px solid var(--edge);
        border-radius: var(--radius-m);
        background: var(--surface);
        color: var(--ink-2);
      }
      /* 底部抽屉 */
      .m-sheet-mask {
        position: fixed;
        inset: 0;
        background: var(--mask, rgba(0, 0, 0, 0.4));
        z-index: var(--z-mask);
      }
      .m-sheet {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: var(--z-modal);
        max-height: 86dvh;
        overflow-y: auto;
        background: var(--surface);
        border-radius: var(--radius-l) var(--radius-l) 0 0;
        padding: var(--sp-4) var(--sp-4);
        padding-bottom: calc(var(--sp-4) + env(safe-area-inset-bottom, 0px));
      }
      .m-sheet-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: var(--sp-4);
      }
      .m-sheet-head h2 {
        margin: 0;
        font-size: var(--fs-18);
        color: var(--ink);
      }
      .m-sheet-x {
        width: 44px;
        height: 44px;
        border: 0;
        background: transparent;
        color: var(--muted);
        font-size: var(--fs-18);
      }
      .m-field {
        display: grid;
        gap: var(--sp-1);
        margin-bottom: var(--sp-3);
        font-size: var(--fs-13);
        color: var(--muted);
      }
      .m-field input {
        min-height: 44px;
        padding: 0 var(--sp-3);
        border: 1px solid var(--edge);
        border-radius: var(--radius-m);
        background: var(--surface-2);
        color: var(--ink);
        font-size: var(--fs-16);
      }
      .m-confirm-text {
        margin: 0 0 var(--sp-4);
        color: var(--ink-2);
        font-size: var(--fs-16);
        line-height: 1.6;
      }
      .m-err {
        margin: 0 0 var(--sp-3);
        color: var(--danger);
        font-size: var(--fs-13);
      }
      .m-submit {
        width: 100%;
        min-height: 48px;
        border: 1px solid var(--primary);
        border-radius: var(--radius-m);
        background: var(--primary);
        color: var(--inverse);
        font-size: var(--fs-16);
      }
      .m-submit.danger {
        background: var(--danger);
        border-color: var(--danger);
      }
      .m-submit:disabled {
        opacity: 0.6;
      }
    `,
  ],
})
export class MbAdminUsersPage implements OnInit {
  private readonly router = inject(Router);
  protected readonly svc = inject(OrgUsersService);

  protected keywordModel = '';

  protected readonly mode = signal<'add' | 'edit'>('add');
  protected readonly sheetOpen = signal(false);
  protected readonly removeTarget = signal<OrgUser | null>(null);
  protected readonly submitting = signal(false);
  protected readonly formError = signal<string | null>(null);
  private editingId = '';

  form: { userId: string; nickname: string; mobile: string; password: string } = {
    userId: '',
    nickname: '',
    mobile: '',
    password: '',
  };

  protected readonly sheetTitle = computed(() => (this.mode() === 'add' ? '添加成员' : '编辑成员'));

  async ngOnInit(): Promise<void> {
    await this.svc.ensureLoaded();
  }

  /**
   * 返回（2026-11-11 改）。
   *
   * 企业管理落地页 `/mobile/admin` 已下线，原来固定跳回它会让用户落到
   * 一个已不存在的中间页。改为**回到来处**：
   *   · 从抽屉「成员管理」直接进来 → 回会话列表
   *   · 从别处（将来可能有）进来 → 正常后退
   * 与移动端其他详情页（如 `pages/agent`）的返回写法保持同一口径。
   */
  protected back(): void {
    if (history.length > 1) history.back();
    else void this.router.navigateByUrl('/mobile/messages');
  }

  protected async reload(): Promise<void> {
    await this.svc.refresh();
  }

  protected async runSearch(): Promise<void> {
    await this.svc.search(this.keywordModel);
  }

  protected async loadMore(): Promise<void> {
    await this.svc.goTo(this.svc.page() + 1);
  }

  protected initialOf(u: OrgUser): string {
    return (u.nickname || u.username || '?').slice(0, 1).toUpperCase();
  }

  protected openAdd(): void {
    this.mode.set('add');
    this.editingId = '';
    this.form = { userId: '', nickname: '', mobile: '', password: '' };
    this.formError.set(null);
    this.sheetOpen.set(true);
  }

  protected openEdit(u: OrgUser): void {
    this.mode.set('edit');
    this.editingId = u.id;
    this.form = { userId: u.id, nickname: u.nickname, mobile: u.mobile, password: '' };
    this.formError.set(null);
    this.sheetOpen.set(true);
  }

  protected closeSheet(): void {
    if (this.submitting()) return;
    this.sheetOpen.set(false);
  }

  protected async submit(): Promise<void> {
    if (this.submitting()) return;
    this.submitting.set(true);
    this.formError.set(null);
    try {
      if (this.mode() === 'add') {
        await this.svc.add(this.form.userId);
      } else {
        await this.svc.update(this.editingId, {
          nickname: this.form.nickname,
          mobile: this.form.mobile,
          password: this.form.password || undefined,
        });
      }
      this.sheetOpen.set(false);
    } catch (e) {
      this.formError.set(e instanceof Error ? e.message : '提交失败');
    } finally {
      this.submitting.set(false);
    }
  }

  protected askRemove(u: OrgUser): void {
    this.formError.set(null);
    this.removeTarget.set(u);
  }

  protected async confirmRemove(): Promise<void> {
    const u = this.removeTarget();
    if (!u || this.submitting()) return;
    this.submitting.set(true);
    this.formError.set(null);
    try {
      await this.svc.remove(u.id);
      this.removeTarget.set(null);
    } catch (e) {
      this.formError.set(e instanceof Error ? e.message : '移除失败');
    } finally {
      this.submitting.set(false);
    }
  }
}