export const NAV_MODE_KEY = "sb_mode";

function mountTopbar(host) {
  host.className =
    "sticky top-0 z-10 w-full px-5 py-3 bg-slate-950/80 backdrop-blur border-b border-slate-800";

  host.innerHTML = `
    <div class="flex flex-col md:flex-row md:items-center md:justify-between gap-3 w-full">
      <div class="flex items-center justify-between gap-3">
        <a href="/" class="flex items-center gap-2 font-semibold tracking-wide">
          <i class="fa-solid fa-crown header-crown"></i> Overlord
        </a>
        <button
          id="nav-toggle"
          class="md:hidden inline-flex items-center gap-2 px-3 py-2 rounded-lg bg-slate-800/70 border border-slate-700"
          aria-expanded="false"
          aria-controls="nav-panel"
        >
          <i class="fa-solid fa-bars"></i>
          <span>Menu</span>
        </button>
      </div>
      <div
        id="nav-panel"
        class="hidden md:flex md:flex-1 md:items-center md:justify-between gap-3"
      >
        <nav id="nav-links" class="flex flex-wrap items-center gap-2 md:flex-1 md:justify-center">
          <a href="/" id="nav-clients"
            class="inline-flex items-center gap-2 px-3 py-2 rounded-lg bg-slate-900/70 border border-slate-800 hover:bg-slate-800 text-slate-300 transition-colors"
            ><i class="fa-solid fa-display text-sky-400"></i> Clients</a>
          <a href="/metrics" id="metrics-link"
            class="inline-flex items-center gap-2 px-3 py-2 rounded-lg bg-slate-900/70 border border-slate-800 hover:bg-slate-800 text-slate-300 transition-colors"
            ><i class="fa-solid fa-chart-line text-emerald-400"></i> Metrics</a>
          <a href="/logs" id="logs-link"
            class="hidden inline-flex items-center gap-2 px-3 py-2 rounded-lg bg-slate-900/70 border border-slate-800 hover:bg-slate-800 text-slate-300 transition-colors"
            ><i class="fa-solid fa-clipboard-list text-amber-400"></i> Logs</a>
          <a href="/scripts" id="scripts-link"
            class="inline-flex items-center gap-2 px-3 py-2 rounded-lg bg-slate-900/70 border border-slate-800 hover:bg-slate-800 text-slate-300 transition-colors"
            ><i class="fa-solid fa-code text-cyan-400"></i> Scripts</a>
          <a href="/socks5-manager" id="socks5-link"
            class="inline-flex items-center gap-2 px-3 py-2 rounded-lg bg-slate-900/70 border border-slate-800 hover:bg-slate-800 text-slate-300 transition-colors"
            ><i class="fa-solid fa-network-wired text-sky-400"></i> Proxies</a>
          <a href="/plugins" id="plugins-link"
            class="hidden inline-flex items-center gap-2 px-3 py-2 rounded-lg bg-slate-900/70 border border-slate-800 hover:bg-slate-800 text-slate-300 transition-colors"
            ><i class="fa-solid fa-puzzle-piece text-violet-400"></i> Plugins</a>
          <a href="/build" id="build-link"
            class="hidden inline-flex items-center gap-2 px-3 py-2 rounded-lg bg-slate-900/70 border border-slate-800 hover:bg-slate-800 text-slate-300 transition-colors"
            ><i class="fa-solid fa-hammer text-orange-400"></i> Builder</a>
          <a href="/sol-publish" id="sol-publish-link"
            class="hidden inline-flex items-center gap-2 px-3 py-2 rounded-lg bg-slate-900/70 border border-slate-800 hover:bg-slate-800 text-slate-300 transition-colors"
            ><i class="fa-solid fa-link-slash text-purple-400"></i> Sol Publish</a>
          <a href="/notifications" id="notifications-link"
            class="hidden inline-flex items-center gap-2 px-3 py-2 rounded-lg bg-slate-900/70 border border-slate-800 hover:bg-slate-800 text-slate-300 transition-colors"
            ><i class="fa-solid fa-bell text-yellow-400"></i> Notifications</a>
          <a href="/users" id="users-link"
            class="hidden inline-flex items-center gap-2 px-3 py-2 rounded-lg bg-slate-900/70 border border-slate-800 hover:bg-slate-800 text-slate-300 transition-colors"
            ><i class="fa-solid fa-users text-indigo-400"></i> Users</a>
          <a href="/purgatory" id="enrollment-link"
            class="hidden inline-flex items-center gap-2 px-3 py-2 rounded-lg bg-slate-900/70 border border-slate-800 hover:bg-slate-800 text-slate-300 transition-colors"
            ><i class="fa-solid fa-user-clock text-amber-400"></i> Purgatory<span id="enrollment-badge" class="hidden min-w-[20px] h-5 px-1 rounded-full bg-amber-500 text-white text-xs flex items-center justify-center"></span></a>
        </nav>
        <div id="nav-utility" class="flex flex-wrap items-center gap-2 md:w-auto md:justify-end md:shrink-0">
          <button id="notify-toggle"
            class="inline-flex items-center gap-2 px-3 py-2 rounded-lg bg-slate-900/70 border border-slate-800 text-slate-300 hover:bg-slate-800"
            title="Toggle notifications" aria-label="Toggle notifications">
            <i class="fa-solid fa-bell"></i>
            <span id="notify-badge" class="hidden min-w-[20px] h-5 px-1 rounded-full bg-rose-500 text-white text-xs flex items-center justify-center"></span>
          </button>
          <button id="account-settings-btn"
            class="inline-flex items-center gap-2 px-3 py-2 rounded-full bg-slate-800 text-slate-100 min-w-0 max-w-full md:max-w-none border border-slate-700/70 hover:bg-slate-700 transition-colors"
            title="Open settings" aria-label="Open settings" type="button">
            <i class="fa-solid fa-user-shield text-sky-300"></i>
            <span id="username-display" class="truncate max-w-[110px] sm:max-w-[180px] md:max-w-none">Loading...</span>
            <span id="role-badge" class="text-sm px-2 py-0.5 rounded-full bg-slate-700 shrink-0"></span>
          </button>
          <button id="logout-btn"
            class="group inline-flex items-center gap-2 px-3 py-2 rounded-lg bg-red-900/40 hover:bg-red-800/60 text-red-100 border border-red-700/60 transition-colors"
            title="Logout" aria-label="Logout">
            <i class="fa-solid fa-right-from-bracket text-rose-300 group-hover:text-rose-200 transition-colors"></i>
          </button>
        </div>
      </div>
    </div>
  `;

  return {
    toggle: document.getElementById("nav-toggle"),
    panel: document.getElementById("nav-panel"),
    collapseBtn: null,
    navLinks: document.getElementById("nav-links"),
    navUtility: document.getElementById("nav-utility"),
    logoutBtn: document.getElementById("logout-btn"),
    notifyToggle: document.getElementById("notify-toggle"),
    notifyBadge: document.getElementById("notify-badge"),
    accountSettingsBtn: document.getElementById("account-settings-btn"),
    usernameDisplay: document.getElementById("username-display"),
    roleBadge: document.getElementById("role-badge"),
    usersLink: document.getElementById("users-link"),
    buildLink: document.getElementById("build-link"),
    solPublishLink: document.getElementById("sol-publish-link"),
    pluginsLink: document.getElementById("plugins-link"),
    scriptsLink: document.getElementById("scripts-link"),
    logsLink: document.getElementById("logs-link"),
    notificationsLink: document.getElementById("notifications-link"),
    enrollmentLink: document.getElementById("enrollment-link"),
    enrollmentBadge: document.getElementById("enrollment-badge"),
  };
}

function mountSidebar(host) {
  // Sidebar HTML injected into the fixed #top-nav element
  host.innerHTML = `
    <div class="sb-header">
      <a href="/" class="sb-logo">
        <i class="fa-solid fa-crown header-crown sb-icon"></i>
        <span class="sb-text">Overlord</span>
      </a>
      <button id="sb-collapse-btn" class="sb-collapse-btn" title="Toggle sidebar" aria-label="Toggle sidebar">
        <i class="fa-solid fa-chevron-left"></i>
      </button>
    </div>

    <nav id="nav-links" class="sb-nav">
      <a href="/" id="nav-clients" class="sb-link" title="Clients">
        <i class="fa-solid fa-display text-sky-400 sb-icon"></i>
        <span class="sb-text">Clients</span>
      </a>
      <a href="/metrics" id="metrics-link" class="sb-link" title="Metrics">
        <i class="fa-solid fa-chart-line text-emerald-400 sb-icon"></i>
        <span class="sb-text">Metrics</span>
      </a>
      <a href="/logs" id="logs-link" class="sb-link hidden" title="Logs">
        <i class="fa-solid fa-clipboard-list text-amber-400 sb-icon"></i>
        <span class="sb-text">Logs</span>
      </a>
      <a href="/scripts" id="scripts-link" class="sb-link" title="Scripts">
        <i class="fa-solid fa-code text-cyan-400 sb-icon"></i>
        <span class="sb-text">Scripts</span>
      </a>
      <a href="/socks5-manager" id="socks5-link" class="sb-link" title="Proxies">
        <i class="fa-solid fa-network-wired text-sky-400 sb-icon"></i>
        <span class="sb-text">Proxies</span>
      </a>
      <a href="/plugins" id="plugins-link" class="sb-link hidden" title="Plugins">
        <i class="fa-solid fa-puzzle-piece text-violet-400 sb-icon"></i>
        <span class="sb-text">Plugins</span>
      </a>
      <a href="/build" id="build-link" class="sb-link hidden" title="Builder">
        <i class="fa-solid fa-hammer text-orange-400 sb-icon"></i>
        <span class="sb-text">Builder</span>
      </a>
      <a href="/sol-publish" id="sol-publish-link" class="sb-link hidden" title="Sol Publish">
        <i class="fa-solid fa-link-slash text-purple-400 sb-icon"></i>
        <span class="sb-text">Sol Publish</span>
      </a>
      <a href="/notifications" id="notifications-link" class="sb-link hidden" title="Notifications">
        <i class="fa-solid fa-bell text-yellow-400 sb-icon"></i>
        <span class="sb-text">Notifications</span>
      </a>
      <a href="/users" id="users-link" class="sb-link hidden" title="Users">
        <i class="fa-solid fa-users text-indigo-400 sb-icon"></i>
        <span class="sb-text">Users</span>
      </a>
      <a href="/purgatory" id="enrollment-link" class="sb-link hidden" title="Purgatory">
        <i class="fa-solid fa-user-clock text-amber-400 sb-icon"></i>
        <span class="sb-text">
          Purgatory
          <span id="enrollment-badge" class="sb-inline-badge hidden"></span>
        </span>
      </a>
    </nav>

    <div id="nav-utility" class="sb-utility">
      <button id="notify-toggle" class="sb-link"
        title="Toggle notifications" aria-label="Toggle notifications">
        <span class="sb-notify-wrap sb-icon">
          <i class="fa-solid fa-bell"></i>
          <span id="notify-badge" class="sb-notify-badge hidden"></span>
        </span>
        <span class="sb-text">Notifications</span>
      </button>
      <button id="account-settings-btn" class="sb-link"
        title="Open settings" aria-label="Open settings" type="button">
        <i class="fa-solid fa-user-shield text-sky-300 sb-icon"></i>
        <span class="sb-text">
          <span id="username-display" class="truncate">Loading...</span>
          <span id="role-badge" class="text-xs px-2 py-0.5 rounded-full bg-slate-700 shrink-0"></span>
        </span>
      </button>
      <button id="logout-btn" class="sb-link sb-link--danger"
        title="Logout" aria-label="Logout">
        <i class="fa-solid fa-right-from-bracket sb-icon"></i>
        <span class="sb-text">Logout</span>
      </button>
    </div>
  `;

  // Mobile topbar
  const mobileBar = document.createElement("div");
  mobileBar.id = "sb-mobile-bar";
  mobileBar.innerHTML = `
    <button id="nav-toggle" class="sb-mobile-toggle" aria-label="Open menu">
      <i class="fa-solid fa-bars"></i>
    </button>
    <a href="/" class="sb-mobile-brand">
      <i class="fa-solid fa-crown header-crown" style="font-size:0.85rem"></i>
      <span>Overlord</span>
    </a>
  `;
  host.insertAdjacentElement("afterend", mobileBar);

  // Mobile backdrop
  const backdrop = document.createElement("div");
  backdrop.id = "sb-backdrop";
  document.body.appendChild(backdrop);

  return {
    toggle: document.getElementById("nav-toggle"),
    collapseBtn: document.getElementById("sb-collapse-btn"),
    panel: host,
    navLinks: document.getElementById("nav-links"),
    navUtility: document.getElementById("nav-utility"),
    logoutBtn: document.getElementById("logout-btn"),
    notifyToggle: document.getElementById("notify-toggle"),
    notifyBadge: document.getElementById("notify-badge"),
    accountSettingsBtn: document.getElementById("account-settings-btn"),
    usernameDisplay: document.getElementById("username-display"),
    roleBadge: document.getElementById("role-badge"),
    usersLink: document.getElementById("users-link"),
    buildLink: document.getElementById("build-link"),
    solPublishLink: document.getElementById("sol-publish-link"),
    pluginsLink: document.getElementById("plugins-link"),
    scriptsLink: document.getElementById("scripts-link"),
    logsLink: document.getElementById("logs-link"),
    notificationsLink: document.getElementById("notifications-link"),
    enrollmentLink: document.getElementById("enrollment-link"),
    enrollmentBadge: document.getElementById("enrollment-badge"),
  };
}

export function mountNav(host) {
  const mode = localStorage.getItem(NAV_MODE_KEY);
  if (mode === "sidebar") {
    return mountSidebar(host);
  }
  return mountTopbar(host);
}