botino/public/components/ops-shell.js

import { emit, on } from "../lib/bus.js";
import { navigateToView, navigateToItem } from "../lib/router.js";
import { api } from "../lib/api.js";

class OpsShell extends HTMLElement {
  constructor() {
    super();
    this.attachShadow({ mode: "open" });
    this._currentView = "chat";
    this._currentParams = {};
    this._takeoverCount = 0;

    this.shadowRoot.innerHTML = `
      <style>
        * { box-sizing:border-box; }
        :host { font-family: var(--font-sans); }
        .app { height:100vh; background:var(--bg); color:var(--text); display:flex; flex-direction:column; }
        header {
          display:flex; gap:var(--space-3); align-items:center;
          padding: var(--space-3) var(--space-6);
          background: var(--panel);
          border-bottom: 1px solid var(--border);
          flex-wrap:wrap;
        }
        header h1 {
          font-size: var(--fs-md);
          margin:0; color: var(--text);
          font-weight: var(--fw-semibold);
          letter-spacing:-0.01em;
        }
        .nav { display:flex; gap: var(--space-1); margin-left: var(--space-6); flex-wrap:wrap; }
        .nav-btn {
          position:relative;
          background:transparent; border:none;
          color: var(--text-muted);
          padding: 8px 12px;
          font: var(--fw-medium) var(--fs-sm)/1 var(--font-sans);
          cursor:pointer; transition:color .15s;
          text-decoration:none;
          border-radius: var(--r-sm);
        }
        .nav-btn:hover { color: var(--text); background: var(--panel-2); }
        .nav-btn.active { color: var(--accent); background: var(--accent-soft); }
        .nav-btn:focus-visible { outline:none; box-shadow: var(--focus-ring); }
        .spacer { flex:1; }
        .status {
          font-size: var(--fs-sm); color: var(--ok);
          display:flex; align-items:center; gap: 6px;
          padding: 4px 10px;
          background: var(--ok-soft);
          border-radius: 999px;
        }
        .status .dot { width:7px; height:7px; border-radius:50%; background: var(--ok); }
        .status.disconnected { color: var(--warn); background: var(--warn-soft); }
        .status.disconnected .dot { background: var(--warn); animation: pulse 1.2s ease-in-out infinite; }
        @keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:.4; } }

        /* Notification bell */
        .user-menu { display:flex; align-items:center; gap:8px; padding:4px 4px 4px 10px; border-radius: var(--r-sm); border:1px solid var(--border); }
        .user-email { font: var(--fw-medium) 12px/1.2 var(--font-sans); color: var(--text); max-width:160px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
        .logout-btn { background: transparent; border: 1px solid transparent; color: var(--text-muted); padding: 4px 8px; border-radius: var(--r-sm); cursor:pointer; font:var(--fw-medium) 11px/1 var(--font-sans); }
        .logout-btn:hover { color: var(--err); border-color: var(--err-soft); background: var(--err-soft); }

        .notification-bell { position:relative; cursor:pointer; padding: 8px; border-radius: var(--r-sm); transition: background .15s; }
        .notification-bell:hover { background: var(--panel-2); }
        .notification-bell svg { width:18px; height:18px; fill: var(--text-muted); transition:fill .15s; display:block; }
        .notification-bell:hover svg { fill: var(--text); }
        .notification-bell.has-pending svg { fill: var(--warn); }
        .notification-bell .badge {
          position:absolute; top:2px; right:2px;
          background: var(--err); color:#fff;
          font: var(--fw-bold) 10px/1 var(--font-sans);
          padding: 3px 6px; border-radius:10px;
          min-width:18px; text-align:center;
          box-shadow: 0 0 0 2px var(--panel);
        }

        /* Layout para chat activo (2 columnas: burbujas + inspector) */
        .layout-chat { height:100%; display:grid; grid-template-columns:1fr 1fr; grid-template-rows:1fr 310px; min-height:0; overflow:hidden; }
        .col { border-right:1px solid var(--border); min-height:0; overflow:hidden; }
        .chatTop { grid-column:1; grid-row:1; border-bottom:1px solid var(--border); }
        .chatBottom { grid-column:1 / 3; grid-row:2; overflow:hidden; border-top:1px solid var(--border); }
        .inspectorTop { grid-column:2; grid-row:1; border-right:none; }

        /* Layout para CRUDs */
        .layout-crud { height:100%; display:block; min-height:0; overflow:hidden; }

        .view { display:none; flex:1; min-height:0; overflow:hidden; }
        .view.active { display:flex; flex-direction:column; }
      </style>

      <div class="app">
        <header>
          <h1>Piaf Console</h1>
          <nav class="nav">
            <a class="nav-btn active" href="/home" data-view="home">Home</a>
            <a class="nav-btn" href="/chat" data-view="chat">Chat</a>
            <a class="nav-btn" href="/conversaciones" data-view="conversations">Conversaciones</a>
            <a class="nav-btn" href="/usuarios" data-view="users">Usuarios</a>
            <a class="nav-btn" href="/productos" data-view="products">Productos</a>
            <a class="nav-btn" href="/equivalencias" data-view="aliases">Equivalencias</a>
            <a class="nav-btn" href="/crosssell" data-view="crosssell">Cross-sell</a>
            <a class="nav-btn" href="/cantidades" data-view="quantities">Cantidades</a>
            <a class="nav-btn" href="/pedidos" data-view="orders">Pedidos</a>
            <a class="nav-btn" href="/configuracion" data-view="settings">Config</a>
            <a class="nav-btn" href="/operadores" data-view="operadores">Operadores</a>
            <a class="nav-btn" href="/actividad" data-view="actividad">Actividad</a>
          </nav>
          <div class="spacer"></div>
          <div class="notification-bell" id="notificationBell" title="Takeovers pendientes">
            <svg viewBox="0 0 24 24"><path d="M12 22c1.1 0 2-.9 2-2h-4c0 1.1.9 2 2 2zm6-6v-5c0-3.07-1.63-5.64-4.5-6.32V4c0-.83-.67-1.5-1.5-1.5s-1.5.67-1.5 1.5v.68C7.64 5.36 6 7.92 6 11v5l-2 2v1h16v-1l-2-2zm-2 1H8v-6c0-2.48 1.51-4.5 4-4.5s4 2.02 4 4.5v6z"/></svg>
            <span class="badge" id="takeoverBadge" style="display:none;">0</span>
          </div>
          <div class="status disconnected" id="sseStatus"><span class="dot"></span><span class="label">Conectando…</span></div>
          <div class="user-menu" id="userMenu" title="Sesión">
            <span class="user-email" id="userEmail">—</span>
            <button class="logout-btn" id="logoutBtn" type="button">Salir</button>
          </div>
        </header>

        <div id="viewHome" class="view active">
          <div class="layout-crud">
            <home-dashboard></home-dashboard>
          </div>
        </div>

        <div id="viewChat" class="view">
          <div class="layout-chat">
            <div class="col chatTop"><run-timeline></run-timeline></div>
            <div class="col inspectorTop"><conversation-inspector></conversation-inspector></div>
            <div class="col chatBottom"><chat-simulator></chat-simulator></div>
          </div>
        </div>

        <div id="viewConversations" class="view">
          <div class="layout-crud">
            <conversations-crud></conversations-crud>
          </div>
        </div>

        <div id="viewUsers" class="view">
          <div class="layout-crud">
            <users-crud></users-crud>
          </div>
        </div>

        <div id="viewProducts" class="view">
          <div class="layout-crud">
            <products-crud></products-crud>
          </div>
        </div>

        <div id="viewAliases" class="view">
          <div class="layout-crud">
            <aliases-crud></aliases-crud>
          </div>
        </div>

        <div id="viewCrosssell" class="view">
          <div class="layout-crud">
            <recommendations-crud rule-type="crosssell"></recommendations-crud>
          </div>
        </div>

        <div id="viewQuantities" class="view">
          <div class="layout-crud">
            <quantities-crud></quantities-crud>
          </div>
        </div>

        <div id="viewOrders" class="view">
          <div class="layout-crud">
            <orders-crud></orders-crud>
          </div>
        </div>

        <div id="viewTakeovers" class="view">
          <div class="layout-crud">
            <takeovers-crud></takeovers-crud>
          </div>
        </div>

        <div id="viewSettings" class="view">
          <div class="layout-crud">
            <settings-crud></settings-crud>
          </div>
        </div>

        <div id="viewOperadores" class="view">
          <div class="layout-crud">
            <system-users-crud></system-users-crud>
          </div>
        </div>

        <div id="viewActividad" class="view">
          <div class="layout-crud">
            <audit-log></audit-log>
          </div>
        </div>
      </div>
    `;
  }

  connectedCallback() {
    this._unsub = on("sse:status", (s) => {
      const el = this.shadowRoot.getElementById("sseStatus");
      if (!el) return;
      el.classList.toggle("disconnected", !s.ok);
      const label = el.querySelector(".label");
      if (label) label.textContent = s.ok ? "En vivo" : "Reconectando…";
    });

    // User session badge + logout.
    const user = window.__USER__ || null;
    const emailEl = this.shadowRoot.getElementById("userEmail");
    if (emailEl) emailEl.textContent = user?.email || "—";
    this.shadowRoot.getElementById("logoutBtn")?.addEventListener("click", async () => {
      try {
        await fetch("/api/auth/logout", { method: "POST", credentials: "include" });
      } finally {
        window.location.replace("/login");
      }
    });

    // Listen for view switch requests from other components
    this._unsubSwitch = on("ui:switchView", ({ view }) => {
      if (view) this.setView(view, {}, { updateUrl: true });
    });

    // Listen for router changes (popstate, initial load)
    this._unsubRouter = on("router:change", ({ view, params }) => {
      this.setView(view, params, { updateUrl: false });
    });

    // Navigation - intercept clicks on nav links
    const navBtns = this.shadowRoot.querySelectorAll(".nav-btn");
    for (const btn of navBtns) {
      btn.onclick = (e) => {
        e.preventDefault();
        const view = btn.dataset.view;
        this.setView(view, {}, { updateUrl: true });
      };
    }

    // Notification bell click
    const bell = this.shadowRoot.getElementById("notificationBell");
    bell.onclick = () => {
      this.setView("takeovers", {}, { updateUrl: true });
    };

    // Listen for new takeovers via SSE - update badge immediately
    this._unsubTakeover = on("takeover:created", () => {
      this._takeoverCount++;
      this.updateTakeoverBadge(this._takeoverCount);
    });

    // Start polling for takeovers
    this.pollTakeovers();
    this._pollInterval = setInterval(() => this.pollTakeovers(), 30000);
  }

  disconnectedCallback() {
    this._unsub?.();
    this._unsubSwitch?.();
    this._unsubRouter?.();
    this._unsubTakeover?.();
    if (this._pollInterval) clearInterval(this._pollInterval);
  }

  async pollTakeovers() {
    try {
      const data = await api.takeovers({ limit: 1 });
      const count = data.pending_count || (data.items?.length || 0);
      this._takeoverCount = count;
      this.updateTakeoverBadge(count);
    } catch (e) {
      // Silently fail - don't break the UI
      console.debug("Error polling takeovers:", e);
    }
  }

  updateTakeoverBadge(count) {
    const badge = this.shadowRoot.getElementById("takeoverBadge");
    const bell = this.shadowRoot.getElementById("notificationBell");
    
    if (count > 0) {
      badge.textContent = count > 99 ? "99+" : count;
      badge.style.display = "inline";
      bell.classList.add("has-pending");
      bell.title = `${count} takeover(s) pendiente(s)`;
    } else {
      badge.style.display = "none";
      bell.classList.remove("has-pending");
      bell.title = "No hay takeovers pendientes";
    }
  }

  setView(viewName, params = {}, { updateUrl = true } = {}) {
    this._currentView = viewName;
    this._currentParams = params;

    // Update nav buttons
    const navBtns = this.shadowRoot.querySelectorAll(".nav-btn");
    for (const btn of navBtns) {
      btn.classList.toggle("active", btn.dataset.view === viewName);
    }

    // Update views
    const views = this.shadowRoot.querySelectorAll(".view");
    for (const view of views) {
      const isActive = view.id === `view${viewName.charAt(0).toUpperCase() + viewName.slice(1)}`;
      view.classList.toggle("active", isActive);
    }

    // Update URL if requested
    if (updateUrl) {
      if (params.id) {
        navigateToItem(viewName, params.id);
      } else {
        navigateToView(viewName);
      }
    }

    // Emit event for components that need to know about route params
    emit("router:viewChanged", { view: viewName, params });
  }
}

customElements.define("ops-shell", OpsShell);