const App = {
  navItems: [
    { id: 'dashboard', label: '控制台', icon: 'fa-chart-simple', roles: ['owner','admin','player'] },
    { id: 'unclaimed', label: '待处理工单', icon: 'fa-inbox', roles: ['owner','admin'] },
    { id: 'tickets', label: '工单列表', icon: 'fa-ticket-alt', roles: ['owner','admin','player'] },
    { id: 'tracking', label: '追踪工单', icon: 'fa-search', roles: ['owner','admin','player'] },
    { id: 'users', label: '用户管理', icon: 'fa-users', roles: ['owner','admin'] },
    { id: 'notifications', label: '通知配置', icon: 'fa-bell', roles: ['owner','admin'] },
    { id: 'templates', label: '邮件模板', icon: 'fa-envelope', roles: ['owner','admin'] },
    { id: 'settings', label: '系统设置', icon: 'fa-cog', roles: ['owner','admin'] },
    { id: 'export', label: '数据导出', icon: 'fa-download', roles: ['owner'] },
  ],

  init() {
    window.addEventListener('hashchange', () => this.route());
    this.route();
  },

  afterLogin() { location.hash = '#/dashboard'; },
  logout() { Auth.logout(); },
  closeModal() { document.getElementById('modal-overlay').classList.add('hidden'); },
  navigate(page, param) { location.hash = `#/${page}` + (param ? `/${param}` : ''); },

  async route() {
    const hash = location.hash || '#/home';
    const parts = hash.replace('#/', '').split('/');
    const page = parts[0];
    const param = parts.slice(1).join('/');

    if (page !== 'install') {
      try {
        const s = await API.get('/install/status');
        if (!s.installed) { location.hash = '#/install'; return; }
      } catch { location.hash = '#/install'; return; }
    }

    if (page === 'verify') {
      const params = new URLSearchParams((location.hash.split('?')[1] || ''));
      const token = params.get('token');
      if (token) {
        API.get(`/auth/verify-email?token=${token}`).then(r => { alert(r.message || '验证成功'); location.hash = '#/login'; }).catch(e => { alert(e.message); location.hash = '#/home'; });
      }
      return;
    }

    if (page === 'install') { this.showPublic('install'); return; }
    if (page === 'home' || page === 'login' || page === 'register') { this.showPublic(page); return; }
    if (!Auth.logged()) { location.hash = '#/login'; return; }

    this.showLayout();
    this.renderSidebar(page);

    switch (page) {
      case 'dashboard': this.renderMain('控制台', Dashboard, param); break;
      case 'unclaimed': this.renderMain('待处理工单', UnclaimedPage, param); break;
      case 'tickets':
        if (param === 'create') {
          const q = new URLSearchParams((location.hash.split('?')[1] || ''));
          document.getElementById('page-title').textContent = '创建工单';
          document.getElementById('page-actions').innerHTML = '<button class="btn btn-o btn-sm" onclick="App.navigate(\'tickets\')"><i class="fas fa-arrow-left"></i> 返回</button>';
          TicketCreate.render(document.getElementById('page-content'), { type: q.get('type') || 'report', prefill: { game_name: Auth.user()?.game_name, game_uid: Auth.user()?.game_uid }, backLink: "App.navigate('tickets')" });
        } else this.renderMain('工单列表', TicketsPage, param);
        break;
      case 'ticket': this.renderMain('工单详情', TicketDetail, param); break;
      case 'tracking': this.renderMain('追踪工单', TrackingPage, param); break;
      case 'users': this.renderMain('用户管理', UsersPage, param); break;
      case 'notifications': this.renderMain('通知配置', NotificationsPage, param); break;
      case 'templates': this.renderMain('邮件模板', TemplatesPage, param); break;
      case 'settings': this.renderMain('系统设置', SettingsPage, param); break;
      case 'export': this.renderMain('数据导出', ExportPage, param); break;
      default: this.renderMain('控制台', Dashboard, param);
    }
  },

  showPublic(page) {
    document.getElementById('main-layout').classList.add('hidden');
    const pub = document.getElementById('public-page');
    pub.classList.remove('hidden');
    const comp = page === 'login' ? LoginPage : page === 'register' ? RegisterPage : page === 'install' ? InstallPage : HomePage;
    comp.render().then(html => { pub.innerHTML = html; if (comp.mount) comp.mount(); });
  },

  showLayout() {
    document.getElementById('public-page').classList.add('hidden');
    document.getElementById('main-layout').classList.remove('hidden');
    const u = Auth.user();
    document.getElementById('user-info').innerHTML = `<div class="av">${(u.game_name||u.username).charAt(0).toUpperCase()}</div><div class="dt"><div class="nm">${u.game_name||u.username}</div><div class="rl">${U.ROLE[u.role]}</div></div>`;
  },

  renderSidebar(current) {
    const u = Auth.user();
    document.getElementById('sidebar-nav').innerHTML = this.navItems
      .filter(i => i.roles.includes(u.role))
      .map(i => `<div class="nav-item ${current===i.id?'active':''}" onclick="App.navigate('${i.id}')"><i class="fas ${i.icon}"></i><span>${i.label}</span></div>`).join('');
  },

  async renderMain(title, page, param) {
    document.getElementById('page-title').textContent = title;
    document.getElementById('page-actions').innerHTML = '';
    const ct = document.getElementById('page-content');
    ct.innerHTML = await page.render(param);
    if (page.mount) await page.mount(param);
  }
};

document.addEventListener('DOMContentLoaded', () => App.init());