// Mythic Oracle — entry, sidebar routing, campaign context

const STORAGE_KEYS = {
  sidebarCollapsed: 'mo-sidebar-collapsed',
  activeView: 'mo-active-view',
  theme: 'mo-theme',
};

const CHAOS_MIN = 1;
const CHAOS_MAX = 9;

function initSidebarCollapse() {
  const sidebar = document.getElementById('sidebar');
  const toggle = document.getElementById('collapseToggle');

  const collapsed = localStorage.getItem(STORAGE_KEYS.sidebarCollapsed) === 'true';
  sidebar.classList.toggle('collapsed', collapsed);

  toggle.addEventListener('click', () => {
    const isCollapsed = sidebar.classList.toggle('collapsed');
    localStorage.setItem(STORAGE_KEYS.sidebarCollapsed, isCollapsed);
  });
}

function initNavRouting() {
  const navItems = document.querySelectorAll('.nav-item[data-view]');
  const views = document.querySelectorAll('.view');

  function activateView(viewId) {
    navItems.forEach((item) => {
      item.classList.toggle('active', item.dataset.view === viewId);
    });
    views.forEach((view) => {
      view.classList.toggle('active', view.id === `view-${viewId}`);
    });
  }

  navItems.forEach((item) => {
    item.addEventListener('click', () => {
      const viewId = item.dataset.view;
      activateView(viewId);
      localStorage.setItem(STORAGE_KEYS.activeView, viewId);
    });
  });

  const savedView = localStorage.getItem(STORAGE_KEYS.activeView);
  const validView = savedView && document.getElementById(`view-${savedView}`);
  activateView(validView ? savedView : 'oracle');
}

function initThemeToggle() {
  const toggle = document.getElementById('themeToggle');
  const root = document.documentElement;

  const savedTheme = localStorage.getItem(STORAGE_KEYS.theme) || 'dark';
  root.setAttribute('data-theme', savedTheme);

  toggle.addEventListener('click', () => {
    const nextTheme = root.getAttribute('data-theme') === 'dark' ? 'light' : 'dark';
    root.setAttribute('data-theme', nextTheme);
    localStorage.setItem(STORAGE_KEYS.theme, nextTheme);
  });
}

function initChaosFactorControls() {
  const value = document.getElementById('chaosValue');
  const minus = document.getElementById('chaosMinus');
  const plus = document.getElementById('chaosPlus');

  function setValue(next) {
    value.textContent = Math.min(CHAOS_MAX, Math.max(CHAOS_MIN, next));
  }

  minus.addEventListener('click', () => setValue(Number(value.textContent) - 1));
  plus.addEventListener('click', () => setValue(Number(value.textContent) + 1));
}

function init() {
  initSidebarCollapse();
  initNavRouting();
  initThemeToggle();
  initChaosFactorControls();
}

document.addEventListener('DOMContentLoaded', init);