text: import {
    defaultState,
    effectEndTarget,
    ids,
    render,
    rendered,
    setState,
    state,
  } from "./internal.js";
  import LanguageDirectionMixin from "./LanguageDirectionMixin.js";
  import Popup from "./Popup.js";
  import TransitionEffectMixin from "./TransitionEffectMixin.js";
  
  const timeoutKey = Symbol("timeout");
  
  const Base = LanguageDirectionMixin(TransitionEffectMixin(Popup));
  
  /**
   * Lightweight popup intended to display a short, non-critical message
   *
   * The message remains until  the user dismisses it or a specified `duration`
   * elapses.
   *
   * @inherits Popup
   * @mixes LanguageDirectionMixin
   * @mixes TransitionEffectMixin
   */
  class Toast extends Base {
    constructor() {
      super();
      this.addEventListener("mouseout", () => {
        startTimerIfOpened(this);
      });
      this.addEventListener("mouseover", () => {
        clearTimer(this);
      });
    }
  
    attributeChangedCallback(name, oldValue, newValue) {
      if (name === "duration") {
        this.duration = Number(newValue);
      } else {
        super.attributeChangedCallback(name, oldValue, newValue);
      }
    }
  
    get [defaultState]() {
      return Object.assign(super[defaultState], {
        duration: null,
        fromEdge: "bottom",
      });
    }
  
    /**
     * The duration, in milliseconds, for which the toast will appear on screen.
     *
     * The `duration` value refers to the duration of time in which the toast
     * will appear on the screen. In other words, this is the time between
     * the `opened` and `closed` event for the toast.
     *
     * @type {number}
     * @default null
     */
    get duration() {
      return this[state].duration;
    }
    set duration(duration) {
      if (!isNaN(duration)) {
        this[setState]({ duration });
      }
    }
  
    get [effectEndTarget]() {
      return this[ids].frame;
    }
  
    /**
     * The edge of the viewport from which the toast will appear.
     *
     * The `start` and `end` values refer to text direction: in left-to-right
     * languages such as English, these are equivalent to `left` and `right`,
     * respectively.
     *
     * @type {('bottom'|'end'|'left'|'right'|'start'|'top')}
     * @default 'bottom'
     */
    get fromEdge() {
      return this[state].fromEdge;
    }
    set fromEdge(fromEdge) {
      this[setState]({ fromEdge });
    }
  
    [render](/** @type {ChangedFlags} */ changed) {
      super[render](changed);
      if (changed.fromEdge) {
        // Host
        /** @type {IndexedObject<any>} */
        const hostEdgeStyles = {
          bottom: {
            alignItems: "center",
            justifyContent: "flex-end",
          },
          "bottom-left": {
            alignItems: "flex-start",
            justifyContent: "flex-end",
          },
          "bottom-right": {
            alignItems: "flex-end",
            justifyContent: "flex-end",
          },
          top: {
            alignItems: "center",
            justifyContent: null,
          },
          "top-left": {
            alignItems: "flex-start",
            justifyContent: null,
          },
          "top-right": {
            alignItems: "flex-end",
            justifyContent: null,
          },
        };
        Object.assign(this.style, hostEdgeStyles[this[state].fromEdge]);
      }
      if (
        changed.effect ||
        changed.effectPhase ||
        changed.fromEdge ||
        changed.rightToLeft
      ) {
        const { effect, effectPhase, fromEdge, rightToLeft } = this[state];
        /** @type {IndexedObject<string>} */
        const oppositeEdge = {
          "bottom-left": "bottom-right",
          "bottom-right": "bottom-left",
          "top-left": "top-right",
          "top-right": "top-left",
        };
        const languageAdjustedEdge = rightToLeft
          ? oppositeEdge[fromEdge] || fromEdge
          : fromEdge;
  
        /** @type {IndexedObject<string>} */
        const edgeTransforms = {
          bottom: "translateY(100%)",
          "bottom-left": "translateX(-100%)",
          "bottom-right": "translateX(100%)",
          top: "translateY(-100%)",
          "top-left": "translateX(-100%)",
          "top-right": "translateX(100%)",
        };
  
        /** @type {IndexedObject<string>} */
        const openEdgeTransforms = {
          bottom: "translateY(0)",
          "bottom-left": "translateX(0)",
          "bottom-right": "translateX(0)",
          top: "translateY(0)",
          "top-left": "translateX(0)",
          "top-right": "translateX(0)",
        };
  
        const opened =
          (effect === "open" && effectPhase !== "before") ||
          (effect === "close" && effectPhase === "before");
  
        const opacity = opened ? 1 : 0;
        const transform = opened
          ? openEdgeTransforms[languageAdjustedEdge]
          : edgeTransforms[languageAdjustedEdge];
  
        Object.assign(this[ids].frame.style, {
          opacity,
          transform,
        });
      }
    }
  
    [rendered](/** @type {ChangedFlags} */ changed) {
      super[rendered](changed);
      startTimerIfOpened(this);
    }
  }
  
  function clearTimer(/** @type {Toast} */ element) {
    /** @type {any} */ const cast = element;
    if (cast[timeoutKey]) {
      clearTimeout(cast[timeoutKey]);
      cast[timeoutKey] = null;
    }
  }
  
  function startTimer(/** @type {Toast} */ element) {
    clearTimer(element);
    const duration = element[state].duration;
    if (duration !== null && duration > 0) {
      /** @type {any} */ (element)[timeoutKey] = setTimeout(() => {
        element.close();
      }, duration);
    }
  }
  
  function startTimerIfOpened(/** @type {Toast} */ element) {
    if (element.opened) {
      startTimer(element);
    }
  }
  
  export default Toast;
  