// svrnty_nav.js — injects Adwright + BTE sidebar buttons into hermes-webui's
// .sidebar-nav and wraps switchPanel so our panels participate in the existing
// main-view show/hide system (showing-<name> on <main>).
//
// Each panel module (adwright.js, bte.js) mounts its content inside <main>
// and CSS keys visibility off main.showing-adwright / main.showing-bte.
//
// IIFE, idempotent — guarded by window.__svrntyNavLoaded.

(function () {
  "use strict";
  if (window.__svrntyNavLoaded) return;
  window.__svrntyNavLoaded = true;

  const TABS = [
    {
      id: "adwright",
      label: "Adwright",
      tooltip: "Adwright — marketing intelligence",
      // Bullseye / target icon — marketing focus
      svg: '<svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><circle cx="12" cy="12" r="10"/><circle cx="12" cy="12" r="6"/><circle cx="12" cy="12" r="2"/></svg>',
    },
    {
      id: "bte",
      label: "BTE",
      tooltip: "BTE — brand creative studio",
      // Palette/sparkle icon — creative
      svg: '<svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M12 2l1.8 5.6L19.4 9.4l-4.5 3.3 1.7 5.7L12 15l-4.6 3.4 1.7-5.7L4.6 9.4l5.6-1.8L12 2z"/></svg>',
    },
  ];

  function _injectButtons() {
    const nav = document.querySelector(".sidebar-nav");
    if (!nav) return false;
    TABS.forEach((t) => {
      if (nav.querySelector('[data-panel="' + t.id + '"]')) return;
      const btn = document.createElement("button");
      btn.className = "nav-tab has-tooltip has-tooltip--bottom svrnty-nav-tab";
      btn.setAttribute("data-panel", t.id);
      btn.setAttribute("data-label", t.label);
      btn.setAttribute("data-tooltip", t.tooltip);
      btn.setAttribute("aria-label", t.label);
      btn.innerHTML = t.svg;
      btn.addEventListener("click", () => {
        if (typeof window.switchPanel === "function") {
          window.switchPanel(t.id, { fromRailClick: true });
        }
      });
      nav.appendChild(btn);
    });
    return true;
  }

  // Wrap switchPanel to add showing-<id> class on <main> for our IDs.
  // We chain the original so all upstream behavior (collapse rail, hide other
  // panels, toggle data-panel active) keeps working unchanged.
  function _wrapSwitchPanel() {
    if (typeof window.switchPanel !== "function") return false;
    if (window.switchPanel.__svrntyWrapped) return true;
    const original = window.switchPanel;
    const OUR_IDS = TABS.map((t) => t.id);

    async function wrapped(name, opts) {
      const result = await original(name, opts);
      const main = document.querySelector("main.main");
      if (main) {
        OUR_IDS.forEach((id) => {
          main.classList.toggle("svrnty-showing-" + id, name === id);
        });
      }
      // Notify panel modules so they can lazy-init/refresh.
      try {
        window.dispatchEvent(
          new CustomEvent("svrnty:panel-switch", { detail: { name } }),
        );
      } catch (_) {}
      return result;
    }
    wrapped.__svrntyWrapped = true;
    window.switchPanel = wrapped;
    return true;
  }

  function _init() {
    const buttonsOk = _injectButtons();
    const wrapOk = _wrapSwitchPanel();
    if (!buttonsOk || !wrapOk) {
      // DOM not ready yet — retry on next paint
      requestAnimationFrame(_init);
    }
  }

  if (document.readyState === "loading") {
    document.addEventListener("DOMContentLoaded", _init);
  } else {
    _init();
  }

  // Re-inject buttons if something re-renders the sidebar (defensive).
  const obs = new MutationObserver(() => {
    const nav = document.querySelector(".sidebar-nav");
    if (!nav) return;
    const missing = TABS.some((t) => !nav.querySelector('[data-panel="' + t.id + '"]'));
    if (missing) _injectButtons();
  });
  if (document.body) {
    obs.observe(document.body, { childList: true, subtree: true });
  } else {
    document.addEventListener("DOMContentLoaded", () =>
      obs.observe(document.body, { childList: true, subtree: true }),
    );
  }

  // Expose namespace
  window.SvrntyNav = { TABS, _injectButtons, _wrapSwitchPanel };
})();