/*!
 * All material copyright ESRI, All Rights Reserved, unless otherwise specified.
 * See https://github.com/Esri/calcite-components/blob/master/LICENSE.md for details.
 * v1.0.0-beta.97
 */
import { proxyCustomElement, HTMLElement, createEvent, h, Host } from '@stencil/core/internal/client/index.js';
import { g as guid } from './guid.js';
import { n as nodeListToArray } from './dom.js';

const tabCss = "@keyframes in{0%{opacity:0}100%{opacity:1}}@keyframes in-down{0%{opacity:0;transform:translate3D(0, -5px, 0)}100%{opacity:1;transform:translate3D(0, 0, 0)}}@keyframes in-up{0%{opacity:0;transform:translate3D(0, 5px, 0)}100%{opacity:1;transform:translate3D(0, 0, 0)}}@keyframes in-scale{0%{opacity:0;transform:scale3D(0.95, 0.95, 1)}100%{opacity:1;transform:scale3D(1, 1, 1)}}:root{--calcite-animation-timing:calc(150ms * var(--calcite-internal-duration-factor));--calcite-internal-duration-factor:var(--calcite-duration-factor, 1);--calcite-internal-animation-timing-fast:calc(100ms * var(--calcite-internal-duration-factor));--calcite-internal-animation-timing-medium:calc(200ms * var(--calcite-internal-duration-factor));--calcite-internal-animation-timing-slow:calc(300ms * var(--calcite-internal-duration-factor))}.calcite-animate{opacity:0;animation-fill-mode:both;animation-duration:var(--calcite-animation-timing)}.calcite-animate__in{animation-name:in}.calcite-animate__in-down{animation-name:in-down}.calcite-animate__in-up{animation-name:in-up}.calcite-animate__in-scale{animation-name:in-scale}@media (prefers-reduced-motion: reduce){:root{--calcite-internal-duration-factor:0.01}}:root{--calcite-floating-ui-transition:var(--calcite-animation-timing)}:host([hidden]){display:none}:host([selected]) section,:host([selected]) .container{display:block}:host{display:none;block-size:100%;inline-size:100%}:host([selected]){display:block;block-size:100%;inline-size:100%;overflow:auto}section,.container{display:none;block-size:100%;inline-size:100%}:host([scale=s]){padding-block:0.25rem;font-size:var(--calcite-font-size--2);line-height:1rem}:host([scale=m]){padding-block:0.5rem;font-size:var(--calcite-font-size--1);line-height:1rem}:host([scale=l]){padding-block:0.75rem;font-size:var(--calcite-font-size-0);line-height:1.25rem}";

const Tab = /*@__PURE__*/ proxyCustomElement(class extends HTMLElement {
  constructor() {
    super();
    this.__registerHost();
    this.__attachShadow();
    this.calciteInternalTabRegister = createEvent(this, "calciteInternalTabRegister", 6);
    /**
     * When `true`, the component's contents are selected.
     *
     * Only one tab can be selected within the `calcite-tabs` parent.
     *
     * @deprecated Use `selected` instead.
     */
    this.active = false;
    /**
     * When `true`, the component's contents are selected.
     *
     * Only one tab can be selected within the `calcite-tabs` parent.
     */
    this.selected = false;
    /**
     * @internal
     */
    this.scale = "m";
    this.guid = `calcite-tab-title-${guid()}`;
  }
  activeHandler(value) {
    this.selected = value;
  }
  selectedHandler(value) {
    this.active = value;
  }
  //--------------------------------------------------------------------------
  //
  //  Lifecycle
  //
  //--------------------------------------------------------------------------
  render() {
    const id = this.el.id || this.guid;
    return (h(Host, { "aria-labelledby": this.labeledBy, id: id }, h("div", { class: "container", role: "tabpanel", tabIndex: this.selected ? 0 : -1 }, h("section", null, h("slot", null)))));
  }
  connectedCallback() {
    this.parentTabsEl = this.el.closest("calcite-tabs");
    const isSelected = this.selected || this.active;
    if (isSelected) {
      this.activeHandler(isSelected);
      this.selectedHandler(isSelected);
    }
  }
  componentDidLoad() {
    this.calciteInternalTabRegister.emit();
  }
  componentWillRender() {
    var _a;
    this.scale = (_a = this.parentTabsEl) === null || _a === void 0 ? void 0 : _a.scale;
  }
  disconnectedCallback() {
    var _a;
    // Dispatching to body in order to be listened by other elements that are still connected to the DOM.
    (_a = document.body) === null || _a === void 0 ? void 0 : _a.dispatchEvent(new CustomEvent("calciteTabUnregister", {
      detail: this.el
    }));
  }
  //--------------------------------------------------------------------------
  //
  //  Event Listeners
  //
  //--------------------------------------------------------------------------
  internalTabChangeHandler(event) {
    const targetTabsEl = event
      .composedPath()
      .find((el) => el.tagName === "CALCITE-TABS");
    // to allow `<calcite-tabs>` to be nested we need to make sure this
    // `calciteTabChange` event was actually fired from a within the same
    // `<calcite-tabs>` that is the a parent of this tab.
    if (targetTabsEl !== this.parentTabsEl) {
      return;
    }
    if (this.tab) {
      this.selected = this.tab === event.detail.tab;
    }
    else {
      this.getTabIndex().then((index) => {
        this.selected = index === event.detail.tab;
      });
    }
    event.stopPropagation();
  }
  //--------------------------------------------------------------------------
  //
  //  Public Methods
  //
  //--------------------------------------------------------------------------
  /**
   * Returns the index of the component item within the tab array.
   */
  async getTabIndex() {
    return Array.prototype.indexOf.call(nodeListToArray(this.el.parentElement.children).filter((el) => el.matches("calcite-tab")), this.el);
  }
  //--------------------------------------------------------------------------
  //
  //  Private Methods
  //
  //--------------------------------------------------------------------------
  /**
   * @param tabIds
   * @param titleIds
   * @internal
   */
  async updateAriaInfo(tabIds = [], titleIds = []) {
    this.labeledBy = titleIds[tabIds.indexOf(this.el.id)] || null;
  }
  get el() { return this; }
  static get watchers() { return {
    "active": ["activeHandler"],
    "selected": ["selectedHandler"]
  }; }
  static get style() { return tabCss; }
}, [1, "calcite-tab", {
    "tab": [513],
    "active": [1540],
    "selected": [1540],
    "scale": [1537],
    "labeledBy": [32],
    "getTabIndex": [64],
    "updateAriaInfo": [64]
  }, [[16, "calciteInternalTabChange", "internalTabChangeHandler"]]]);
function defineCustomElement() {
  if (typeof customElements === "undefined") {
    return;
  }
  const components = ["calcite-tab"];
  components.forEach(tagName => { switch (tagName) {
    case "calcite-tab":
      if (!customElements.get(tagName)) {
        customElements.define(tagName, Tab);
      }
      break;
  } });
}
defineCustomElement();

export { Tab as T, defineCustomElement as d };