// packages/components/src/popover/index.tsx
import clsx from "clsx";
import { useFloating, flip as flipMiddleware, shift as shiftMiddleware, limitShift, autoUpdate, arrow, offset as offsetMiddleware, size } from "@floating-ui/react-dom";
import { motion } from "framer-motion";
import { useRef, useLayoutEffect, forwardRef, createContext, useContext, useMemo, useState, useCallback, createPortal } from "@wordpress/element";
import { useReducedMotion, useViewportMatch, useMergeRefs, __experimentalUseDialog as useDialog } from "@wordpress/compose";
import { close } from "@wordpress/icons";
import deprecated from "@wordpress/deprecated";
import { Path, SVG } from "@wordpress/primitives";
import { __ } from "@wordpress/i18n";
import Button from "../button/index.js";
import ScrollLock from "../scroll-lock/index.js";
import { Slot, Fill, useSlot } from "../slot-fill/index.js";
import { computePopoverPosition, positionToPlacement, placementToMotionAnimationProps, getReferenceElement } from "./utils.js";
import { contextConnect, useContextSystem } from "../context/index.js";
import { overlayMiddlewares } from "./overlay-middlewares.js";
import { StyleProvider } from "../style-provider/index.js";
import { jsx as _jsx, jsxs as _jsxs, Fragment as _Fragment } from "react/jsx-runtime";
var SLOT_NAME = "Popover";
var OVERFLOW_PADDING = 8;
var ArrowTriangle = () => /* @__PURE__ */ _jsxs(SVG, {
  xmlns: "http://www.w3.org/2000/svg",
  viewBox: "0 0 100 100",
  className: "components-popover__triangle",
  role: "presentation",
  children: [/* @__PURE__ */ _jsx(Path, {
    className: "components-popover__triangle-bg",
    d: "M 0 0 L 50 50 L 100 0"
  }), /* @__PURE__ */ _jsx(Path, {
    className: "components-popover__triangle-border",
    d: "M 0 0 L 50 50 L 100 0",
    vectorEffect: "non-scaling-stroke"
  })]
});
var slotNameContext = createContext(void 0);
slotNameContext.displayName = "__unstableSlotNameContext";
var fallbackContainerClassname = "components-popover__fallback-container";
var getPopoverFallbackContainer = () => {
  let container = document.body.querySelector("." + fallbackContainerClassname);
  if (!container) {
    container = document.createElement("div");
    container.className = fallbackContainerClassname;
    document.body.append(container);
  }
  return container;
};
var UnforwardedPopover = (props, forwardedRef) => {
  const {
    animate = true,
    headerTitle,
    constrainTabbing,
    onClose,
    children,
    className,
    noArrow = true,
    position,
    placement: placementProp = "bottom-start",
    offset: offsetProp = 0,
    focusOnMount = "firstElement",
    anchor,
    expandOnMobile,
    onFocusOutside,
    __unstableSlotName = SLOT_NAME,
    flip = true,
    resize = true,
    shift = false,
    inline = false,
    variant,
    style: contentStyle,
    // Deprecated props
    __unstableForcePosition,
    anchorRef,
    anchorRect,
    getAnchorRect,
    isAlternate,
    // Rest
    ...contentProps
  } = useContextSystem(props, "Popover");
  let computedFlipProp = flip;
  let computedResizeProp = resize;
  if (__unstableForcePosition !== void 0) {
    deprecated("`__unstableForcePosition` prop in wp.components.Popover", {
      since: "6.1",
      version: "6.3",
      alternative: "`flip={ false }` and  `resize={ false }`"
    });
    computedFlipProp = !__unstableForcePosition;
    computedResizeProp = !__unstableForcePosition;
  }
  if (anchorRef !== void 0) {
    deprecated("`anchorRef` prop in wp.components.Popover", {
      since: "6.1",
      alternative: "`anchor` prop"
    });
  }
  if (anchorRect !== void 0) {
    deprecated("`anchorRect` prop in wp.components.Popover", {
      since: "6.1",
      alternative: "`anchor` prop"
    });
  }
  if (getAnchorRect !== void 0) {
    deprecated("`getAnchorRect` prop in wp.components.Popover", {
      since: "6.1",
      alternative: "`anchor` prop"
    });
  }
  const computedVariant = isAlternate ? "toolbar" : variant;
  if (isAlternate !== void 0) {
    deprecated("`isAlternate` prop in wp.components.Popover", {
      since: "6.2",
      alternative: "`variant` prop with the `'toolbar'` value"
    });
  }
  const arrowRef = useRef(null);
  const [fallbackReferenceElement, setFallbackReferenceElement] = useState(null);
  const anchorRefFallback = useCallback((node) => {
    setFallbackReferenceElement(node);
  }, []);
  const isMobileViewport = useViewportMatch("medium", "<");
  const isExpanded = expandOnMobile && isMobileViewport;
  const hasArrow = !isExpanded && !noArrow;
  const normalizedPlacementFromProps = position ? positionToPlacement(position) : placementProp;
  const middleware = [...placementProp === "overlay" ? overlayMiddlewares() : [], offsetMiddleware(offsetProp), computedFlipProp && flipMiddleware(), computedResizeProp && size({
    padding: OVERFLOW_PADDING,
    apply(sizeProps) {
      var _refs$floating$curren;
      const {
        firstElementChild
      } = (_refs$floating$curren = refs.floating.current) !== null && _refs$floating$curren !== void 0 ? _refs$floating$curren : {};
      if (!(firstElementChild instanceof HTMLElement)) {
        return;
      }
      Object.assign(firstElementChild.style, {
        maxHeight: `${Math.max(0, sizeProps.availableHeight)}px`,
        overflow: "auto"
      });
    }
  }), shift && shiftMiddleware({
    crossAxis: true,
    limiter: limitShift(),
    padding: 1
    // Necessary to avoid flickering at the edge of the viewport.
  }), arrow({
    element: arrowRef
  })];
  const slotName = useContext(slotNameContext) || __unstableSlotName;
  const slot = useSlot(slotName);
  let onDialogClose;
  if (onClose || onFocusOutside) {
    onDialogClose = (type, event) => {
      if (type === "focus-outside") {
        const blurTarget = event?.target;
        const referenceElement = refs.reference.current;
        const floatingElement = refs.floating.current;
        const isBlurFromThisPopover = referenceElement && "contains" in referenceElement && referenceElement.contains(blurTarget) || floatingElement?.contains(blurTarget);
        if (!isBlurFromThisPopover) {
          return;
        }
        if (onFocusOutside) {
          onFocusOutside(event);
        } else if (onClose) {
          onClose();
        }
      } else if (onClose) {
        onClose();
      }
    };
  }
  const [dialogRef, dialogProps] = useDialog({
    constrainTabbing,
    focusOnMount,
    __unstableOnClose: onDialogClose,
    // @ts-expect-error The __unstableOnClose property needs to be deprecated first (see https://github.com/WordPress/gutenberg/pull/27675)
    onClose: onDialogClose
  });
  const {
    // Positioning coordinates
    x,
    y,
    // Object with "regular" refs to both "reference" and "floating"
    refs,
    // Type of CSS position property to use (absolute or fixed)
    strategy,
    update,
    placement: computedPlacement,
    middlewareData: {
      arrow: arrowData
    }
  } = useFloating({
    placement: normalizedPlacementFromProps === "overlay" ? void 0 : normalizedPlacementFromProps,
    middleware,
    whileElementsMounted: (referenceParam, floatingParam, updateParam) => autoUpdate(referenceParam, floatingParam, updateParam, {
      layoutShift: false,
      animationFrame: true
    })
  });
  const arrowCallbackRef = useCallback((node) => {
    arrowRef.current = node;
    update();
  }, [update]);
  const anchorRefTop = anchorRef?.top;
  const anchorRefBottom = anchorRef?.bottom;
  const anchorRefStartContainer = anchorRef?.startContainer;
  const anchorRefCurrent = anchorRef?.current;
  useLayoutEffect(() => {
    const resultingReferenceElement = getReferenceElement({
      anchor,
      anchorRef,
      anchorRect,
      getAnchorRect,
      fallbackReferenceElement
    });
    refs.setReference(resultingReferenceElement);
  }, [anchor, anchorRef, anchorRefTop, anchorRefBottom, anchorRefStartContainer, anchorRefCurrent, anchorRect, getAnchorRect, fallbackReferenceElement, refs]);
  const mergedFloatingRef = useMergeRefs([refs.setFloating, dialogRef, forwardedRef]);
  const style = isExpanded ? void 0 : {
    position: strategy,
    top: 0,
    left: 0,
    // `x` and `y` are framer-motion specific props and are shorthands
    // for `translateX` and `translateY`. Currently it is not possible
    // to use `translateX` and `translateY` because those values would
    // be overridden by the return value of the
    // `placementToMotionAnimationProps` function.
    x: computePopoverPosition(x),
    y: computePopoverPosition(y)
  };
  const shouldReduceMotion = useReducedMotion();
  const shouldAnimate = animate && !isExpanded && !shouldReduceMotion;
  const [animationFinished, setAnimationFinished] = useState(false);
  const {
    style: motionInlineStyles,
    ...otherMotionProps
  } = useMemo(() => placementToMotionAnimationProps(computedPlacement), [computedPlacement]);
  const animationProps = shouldAnimate ? {
    style: {
      ...contentStyle,
      ...motionInlineStyles,
      ...style
    },
    onAnimationComplete: () => setAnimationFinished(true),
    ...otherMotionProps
  } : {
    animate: false,
    style: {
      ...contentStyle,
      ...style
    }
  };
  const isPositioned = (!shouldAnimate || animationFinished) && x !== null && y !== null;
  let content = /* @__PURE__ */ _jsxs(motion.div, {
    className: clsx(className, {
      "is-expanded": isExpanded,
      "is-positioned": isPositioned,
      // Use the 'alternate' classname for 'toolbar' variant for back compat.
      [`is-${computedVariant === "toolbar" ? "alternate" : computedVariant}`]: computedVariant
    }),
    ...animationProps,
    ...contentProps,
    ref: mergedFloatingRef,
    ...dialogProps,
    tabIndex: -1,
    children: [isExpanded && /* @__PURE__ */ _jsx(ScrollLock, {}), isExpanded && /* @__PURE__ */ _jsxs("div", {
      className: "components-popover__header",
      children: [/* @__PURE__ */ _jsx("span", {
        className: "components-popover__header-title",
        children: headerTitle
      }), /* @__PURE__ */ _jsx(Button, {
        className: "components-popover__close",
        size: "small",
        icon: close,
        onClick: onClose,
        label: __("Close")
      })]
    }), /* @__PURE__ */ _jsx("div", {
      className: "components-popover__content",
      children
    }), hasArrow && /* @__PURE__ */ _jsx("div", {
      ref: arrowCallbackRef,
      className: ["components-popover__arrow", `is-${computedPlacement.split("-")[0]}`].join(" "),
      style: {
        left: typeof arrowData?.x !== "undefined" && Number.isFinite(arrowData.x) ? `${arrowData.x}px` : "",
        top: typeof arrowData?.y !== "undefined" && Number.isFinite(arrowData.y) ? `${arrowData.y}px` : ""
      },
      children: /* @__PURE__ */ _jsx(ArrowTriangle, {})
    })]
  });
  const shouldRenderWithinSlot = slot.ref && !inline;
  const hasAnchor = anchorRef || anchorRect || anchor;
  if (shouldRenderWithinSlot) {
    content = /* @__PURE__ */ _jsx(Fill, {
      name: slotName,
      children: content
    });
  } else if (!inline) {
    content = createPortal(/* @__PURE__ */ _jsx(StyleProvider, {
      document,
      children: content
    }), getPopoverFallbackContainer());
  }
  if (hasAnchor) {
    return content;
  }
  return /* @__PURE__ */ _jsxs(_Fragment, {
    children: [/* @__PURE__ */ _jsx("span", {
      ref: anchorRefFallback
    }), content]
  });
};
var PopoverSlot = forwardRef(({
  name = SLOT_NAME
}, ref) => {
  return /* @__PURE__ */ _jsx(Slot, {
    bubblesVirtually: true,
    name,
    className: "popover-slot",
    ref
  });
});
var Popover = Object.assign(contextConnect(UnforwardedPopover, "Popover"), {
  /**
   * Renders a slot that is used internally by Popover for rendering content.
   */
  Slot: Object.assign(PopoverSlot, {
    displayName: "Popover.Slot"
  }),
  /**
   * Provides a context to manage popover slot names.
   *
   * This is marked as unstable and should not be used directly.
   */
  __unstableSlotNameProvider: Object.assign(slotNameContext.Provider, {
    displayName: "Popover.__unstableSlotNameProvider"
  })
});
var popover_default = Popover;
export {
  Popover,
  PopoverSlot,
  SLOT_NAME,
  popover_default as default
};
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