const { setIcon } = require("obsidian");

function createNavEl(tab, setting) {
  const nav = document.createElement("div");
  nav.className = "vertical-tab-nav-item tappable";

  if (tab.icon) {
    const iconEl = document.createElement("div");
    iconEl.className = "vertical-tab-nav-item-icon";

    if (tab.icon.startsWith("<svg") || tab.icon.startsWith("<img")) {
      iconEl.innerHTML = tab.icon;
    } else if (tab.icon.endsWith(".svg") || tab.icon.endsWith(".webp") || tab.icon.endsWith(".png")) {
      iconEl.innerHTML = `<img src="${tab.icon}" class="svg-icon" width="24" height="24" />`;
    } else {
      setIcon(iconEl, tab.icon);
    }

    nav.appendChild(iconEl);
  }

  const title = document.createElement("div");
  title.className = "vertical-tab-nav-item-title";
  title.textContent = tab.name;
  nav.appendChild(title);

  const chevron = document.createElement("div");
  chevron.className = "vertical-tab-nav-item-chevron";
  nav.appendChild(chevron);

  nav.addEventListener("click", () => {
    setting.openTab(tab);
  });

  return nav;
}

function createTab(id, name, displayFn, app, icon) {
  const tab = {
    id,
    name,
    icon: icon || null,
    containerEl: createDiv("vertical-tab-content"),
    navEl: null,

    display() {
      this.containerEl.empty();
      displayFn(this.containerEl, app);
    },

    hide() {
      this.containerEl.empty();
    },
  };

  return tab;
}

function createGroup(name) {
  const group = document.createElement("div");
  group.className = "vertical-tab-header-group";

  const title = document.createElement("div");
  title.className = "vertical-tab-header-group-title";
  title.textContent = name;
  group.appendChild(title);

  const items = document.createElement("div");
  items.className = "vertical-tab-header-group-items";
  group.appendChild(items);

  return { group, items };
}

function findGroupByTitle(tabHeadersEl, title) {
  const groups = tabHeadersEl.querySelectorAll(".vertical-tab-header-group");

  for (const g of groups) {
    const t = g.querySelector(".vertical-tab-header-group-title");

    if (t?.textContent === title) {
      return g;
    }
  }

  return null;
}

module.exports = { createNavEl, createTab, createGroup, findGroupByTitle };