/* COPYRIGHT Esri - https://js.arcgis.com/5.1/LICENSE.txt */
import { c as customElement } from "../../chunks/runtime.js";
import { css, html } from "lit";
import { createRef, ref } from "lit/directives/ref.js";
import { LitElement, createEvent, safeClassMap } from "@arcgis/lumina";
import { f as focusElementInGroup, a as slotChangeGetAssignedElements } from "../../chunks/dom.js";
import { u as useSetFocus } from "../../chunks/useSetFocus.js";
import { u as useInteractive } from "../../chunks/useInteractive.js";
const CSS = {
  container: "container"
};
const styles = css`:host([disabled]){cursor:default;-webkit-user-select:none;user-select:none;opacity:var(--calcite-opacity-disabled)}:host([disabled]) *,:host([disabled]) ::slotted(*){pointer-events:none}:host{display:flex}.container{display:flex;flex-wrap:wrap;gap:var(--calcite-swatch-group-space, var(--calcite-spacing-sm))}:host([scale=s]) .container{gap:var(--calcite-swatch-group-space, var(--calcite-spacing-xs))}:host([hidden]){display:none}[hidden]{display:none}:host([disabled]) ::slotted([calcite-hydrated][disabled]),:host([disabled]) [calcite-hydrated][disabled]{opacity:1}.interaction-container{display:contents}`;
class SwatchGroup extends LitElement {
  constructor() {
    super();
    this.items = [];
    this.slotRef = createRef();
    this.focusSetter = useSetFocus()(this);
    this.interactiveContainer = useInteractive(this);
    this.disabled = false;
    this.scale = "m";
    this.selectedItems = [];
    this.selectionMode = "none";
    this.calciteSwatchGroupSelect = createEvent({ cancelable: false });
    this.listen("calciteInternalSwatchKeyEvent", this.calciteInternalSwatchKeyEventListener);
    this.listen("calciteSwatchSelect", this.calciteSwatchSelectListener);
    this.listen("calciteInternalSwatchSelect", this.calciteInternalSwatchSelectListener);
    this.listen("calciteInternalSyncSelectedSwatches", this.calciteInternalSyncSelectedSwatches);
  }
  static {
    this.properties = { disabled: [7, {}, { reflect: true, type: Boolean }], label: 1, scale: [3, {}, { reflect: true }], selectedItems: [0, {}, { attribute: false }], selectionMode: [3, {}, { reflect: true }] };
  }
  static {
    this.styles = styles;
  }
  async setFocus(options) {
    return this.focusSetter(() => this.el, options);
  }
  willUpdate(changes) {
    if (changes.has("selectionMode") && (this.hasUpdated || this.selectionMode !== "none")) {
      this.updateItems();
    }
  }
  calciteInternalSwatchKeyEventListener(event) {
    if (event.composedPath().includes(this.el)) {
      const interactiveItems = this.items?.filter((el) => !el.disabled);
      switch (event.detail.key) {
        case "ArrowRight":
          focusElementInGroup(interactiveItems, event.detail.target, "next");
          break;
        case "ArrowLeft":
          focusElementInGroup(interactiveItems, event.detail.target, "previous");
          break;
        case "Home":
          focusElementInGroup(interactiveItems, event.detail.target, "first");
          break;
        case "End":
          focusElementInGroup(interactiveItems, event.detail.target, "last");
          break;
      }
    }
    event.stopPropagation();
  }
  calciteSwatchSelectListener(event) {
    if (event.composedPath().includes(this.el)) {
      this.setSelectedItems(true, event.target);
    }
    event.stopPropagation();
  }
  calciteInternalSwatchSelectListener(event) {
    if (event.composedPath().includes(this.el)) {
      this.setSelectedItems(false, event.target);
    }
    event.stopPropagation();
  }
  calciteInternalSyncSelectedSwatches(event) {
    if (event.composedPath().includes(this.el)) {
      this.updateSelectedItems();
      if (this.selectionMode === "single" && this.selectedItems.length > 1) {
        this.setSelectedItems(false, event.target);
      }
    }
    event.stopPropagation();
  }
  updateItems(event) {
    const itemsFromSlot = this.slotRef.value?.assignedElements({ flatten: true }).filter((el) => el?.matches("calcite-swatch"));
    this.items = !event ? itemsFromSlot : slotChangeGetAssignedElements(event);
    if (this.items?.length < 1) {
      return;
    }
    this.items?.forEach((el) => {
      el.interactive = true;
      el.scale = this.scale;
      el.selectionMode = this.selectionMode;
      el.parentSwatchGroup = this.el;
    });
    this.setSelectedItems(false);
  }
  updateSelectedItems() {
    this.selectedItems = this.items?.filter((el) => el.selected);
  }
  setSelectedItems(emit, elToMatch) {
    if (elToMatch) {
      this.items?.forEach((el) => {
        const matchingEl = elToMatch === el;
        switch (this.selectionMode) {
          case "multiple":
            if (matchingEl) {
              el.selected = !el.selected;
            }
            break;
          case "single":
            el.selected = matchingEl ? !el.selected : false;
            break;
          case "single-persist":
            el.selected = !!matchingEl;
            break;
        }
      });
    }
    this.updateSelectedItems();
    if (emit) {
      this.calciteSwatchGroupSelect.emit();
    }
  }
  render() {
    const role = this.selectionMode === "none" || this.selectionMode === "multiple" ? "group" : "radiogroup";
    const { disabled } = this;
    return this.interactiveContainer({ disabled, children: html`<div .ariaLabel=${this.label} class=${safeClassMap(CSS.container)} .role=${role}><slot @slotchange=${this.updateItems} ${ref(this.slotRef)}></slot></div>` });
  }
}
customElement("calcite-swatch-group", SwatchGroup);
export {
  SwatchGroup
};
