"use strict";
'use client';

var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard").default;
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.useCompositeRoot = useCompositeRoot;
var React = _interopRequireWildcard(require("react"));
var _isElementDisabled = require("@base-ui/utils/isElementDisabled");
var _useStableCallback = require("@base-ui/utils/useStableCallback");
var _useMergedRefs = require("@base-ui/utils/useMergedRefs");
var _composite = require("../composite");
var _constants = require("../constants");
const EMPTY_ARRAY = [];
function useCompositeRoot(params) {
  const {
    itemSizes,
    cols = 1,
    loopFocus = true,
    dense = false,
    orientation = 'both',
    direction,
    highlightedIndex: externalHighlightedIndex,
    onHighlightedIndexChange: externalSetHighlightedIndex,
    rootRef: externalRef,
    enableHomeAndEndKeys = false,
    stopEventPropagation = false,
    disabledIndices,
    modifierKeys = EMPTY_ARRAY
  } = params;
  const [internalHighlightedIndex, internalSetHighlightedIndex] = React.useState(0);
  const isGrid = cols > 1;
  const rootRef = React.useRef(null);
  const mergedRef = (0, _useMergedRefs.useMergedRefs)(rootRef, externalRef);
  const elementsRef = React.useRef([]);
  const hasSetDefaultIndexRef = React.useRef(false);
  const highlightedIndex = externalHighlightedIndex ?? internalHighlightedIndex;
  const onHighlightedIndexChange = (0, _useStableCallback.useStableCallback)((index, shouldScrollIntoView = false) => {
    (externalSetHighlightedIndex ?? internalSetHighlightedIndex)(index);
    if (shouldScrollIntoView) {
      const newActiveItem = elementsRef.current[index];
      (0, _composite.scrollIntoViewIfNeeded)(rootRef.current, newActiveItem, direction, orientation);
    }
  });
  const onMapChange = (0, _useStableCallback.useStableCallback)(map => {
    if (map.size === 0 || hasSetDefaultIndexRef.current) {
      return;
    }
    hasSetDefaultIndexRef.current = true;
    const sortedElements = Array.from(map.keys());
    const activeItem = sortedElements.find(compositeElement => compositeElement?.hasAttribute(_constants.ACTIVE_COMPOSITE_ITEM)) ?? null;
    // Set the default highlighted index of an arbitrary composite item.
    const activeIndex = activeItem ? sortedElements.indexOf(activeItem) : -1;
    if (activeIndex !== -1) {
      onHighlightedIndexChange(activeIndex);
    }
    (0, _composite.scrollIntoViewIfNeeded)(rootRef.current, activeItem, direction, orientation);
  });
  const props = React.useMemo(() => ({
    'aria-orientation': orientation === 'both' ? undefined : orientation,
    ref: mergedRef,
    onFocus(event) {
      const element = rootRef.current;
      if (!element || !(0, _composite.isNativeInput)(event.target)) {
        return;
      }
      event.target.setSelectionRange(0, event.target.value.length ?? 0);
    },
    onKeyDown(event) {
      const RELEVANT_KEYS = enableHomeAndEndKeys ? _composite.ALL_KEYS : _composite.ARROW_KEYS;
      if (!RELEVANT_KEYS.has(event.key)) {
        return;
      }
      if (isModifierKeySet(event, modifierKeys)) {
        return;
      }
      const element = rootRef.current;
      if (!element) {
        return;
      }
      const isRtl = direction === 'rtl';
      const horizontalForwardKey = isRtl ? _composite.ARROW_LEFT : _composite.ARROW_RIGHT;
      const forwardKey = {
        horizontal: horizontalForwardKey,
        vertical: _composite.ARROW_DOWN,
        both: horizontalForwardKey
      }[orientation];
      const horizontalBackwardKey = isRtl ? _composite.ARROW_RIGHT : _composite.ARROW_LEFT;
      const backwardKey = {
        horizontal: horizontalBackwardKey,
        vertical: _composite.ARROW_UP,
        both: horizontalBackwardKey
      }[orientation];
      if ((0, _composite.isNativeInput)(event.target) && !(0, _isElementDisabled.isElementDisabled)(event.target)) {
        const selectionStart = event.target.selectionStart;
        const selectionEnd = event.target.selectionEnd;
        const textContent = event.target.value ?? '';
        // return to native textbox behavior when
        // 1 - Shift is held to make a text selection, or if there already is a text selection
        if (selectionStart == null || event.shiftKey || selectionStart !== selectionEnd) {
          return;
        }
        // 2 - arrow-ing forward and not in the last position of the text
        if (event.key !== backwardKey && selectionStart < textContent.length) {
          return;
        }
        // 3 -arrow-ing backward and not in the first position of the text
        if (event.key !== forwardKey && selectionStart > 0) {
          return;
        }
      }
      let nextIndex = highlightedIndex;
      const minIndex = (0, _composite.getMinListIndex)(elementsRef, disabledIndices);
      const maxIndex = (0, _composite.getMaxListIndex)(elementsRef, disabledIndices);
      if (isGrid) {
        const sizes = itemSizes || Array.from({
          length: elementsRef.current.length
        }, () => ({
          width: 1,
          height: 1
        }));
        // To calculate movements on the grid, we use hypothetical cell indices
        // as if every item was 1x1, then convert back to real indices.
        const cellMap = (0, _composite.createGridCellMap)(sizes, cols, dense);
        const minGridIndex = cellMap.findIndex(index => index != null && !(0, _composite.isListIndexDisabled)(elementsRef, index, disabledIndices));
        // last enabled index
        const maxGridIndex = cellMap.reduce((foundIndex, index, cellIndex) => index != null && !(0, _composite.isListIndexDisabled)(elementsRef, index, disabledIndices) ? cellIndex : foundIndex, -1);
        nextIndex = cellMap[(0, _composite.getGridNavigatedIndex)({
          current: cellMap.map(itemIndex => itemIndex ? elementsRef.current[itemIndex] : null)
        }, {
          event,
          orientation,
          loopFocus,
          cols,
          // treat undefined (empty grid spaces) as disabled indices so we
          // don't end up in them
          disabledIndices: (0, _composite.getGridCellIndices)([...(disabledIndices || elementsRef.current.map((_, index) => (0, _composite.isListIndexDisabled)(elementsRef, index) ? index : undefined)), undefined], cellMap),
          minIndex: minGridIndex,
          maxIndex: maxGridIndex,
          prevIndex: (0, _composite.getGridCellIndexOfCorner)(highlightedIndex > maxIndex ? minIndex : highlightedIndex, sizes, cellMap, cols,
          // use a corner matching the edge closest to the direction we're
          // moving in so we don't end up in the same item. Prefer
          // top/left over bottom/right.
          // eslint-disable-next-line no-nested-ternary
          event.key === _composite.ARROW_DOWN ? 'bl' : event.key === _composite.ARROW_RIGHT ? 'tr' : 'tl'),
          rtl: isRtl
        })]; // navigated cell will never be nullish
      }
      const forwardKeys = {
        horizontal: [horizontalForwardKey],
        vertical: [_composite.ARROW_DOWN],
        both: [horizontalForwardKey, _composite.ARROW_DOWN]
      }[orientation];
      const backwardKeys = {
        horizontal: [horizontalBackwardKey],
        vertical: [_composite.ARROW_UP],
        both: [horizontalBackwardKey, _composite.ARROW_UP]
      }[orientation];
      const preventedKeys = isGrid ? RELEVANT_KEYS : {
        horizontal: enableHomeAndEndKeys ? _composite.HORIZONTAL_KEYS_WITH_EXTRA_KEYS : _composite.HORIZONTAL_KEYS,
        vertical: enableHomeAndEndKeys ? _composite.VERTICAL_KEYS_WITH_EXTRA_KEYS : _composite.VERTICAL_KEYS,
        both: RELEVANT_KEYS
      }[orientation];
      if (enableHomeAndEndKeys) {
        if (event.key === _composite.HOME) {
          nextIndex = minIndex;
        } else if (event.key === _composite.END) {
          nextIndex = maxIndex;
        }
      }
      if (nextIndex === highlightedIndex && (forwardKeys.includes(event.key) || backwardKeys.includes(event.key))) {
        if (loopFocus && nextIndex === maxIndex && forwardKeys.includes(event.key)) {
          nextIndex = minIndex;
        } else if (loopFocus && nextIndex === minIndex && backwardKeys.includes(event.key)) {
          nextIndex = maxIndex;
        } else {
          nextIndex = (0, _composite.findNonDisabledListIndex)(elementsRef, {
            startingIndex: nextIndex,
            decrement: backwardKeys.includes(event.key),
            disabledIndices
          });
        }
      }
      if (nextIndex !== highlightedIndex && !(0, _composite.isIndexOutOfListBounds)(elementsRef, nextIndex)) {
        if (stopEventPropagation) {
          event.stopPropagation();
        }
        if (preventedKeys.has(event.key)) {
          event.preventDefault();
        }
        onHighlightedIndexChange(nextIndex, true);

        // Wait for FocusManager `returnFocus` to execute.
        queueMicrotask(() => {
          elementsRef.current[nextIndex]?.focus();
        });
      }
    }
  }), [cols, dense, direction, disabledIndices, elementsRef, enableHomeAndEndKeys, highlightedIndex, isGrid, itemSizes, loopFocus, mergedRef, modifierKeys, onHighlightedIndexChange, orientation, stopEventPropagation]);
  return React.useMemo(() => ({
    props,
    highlightedIndex,
    onHighlightedIndexChange,
    elementsRef,
    disabledIndices,
    onMapChange,
    relayKeyboardEvent: props.onKeyDown
  }), [props, highlightedIndex, onHighlightedIndexChange, elementsRef, disabledIndices, onMapChange]);
}
function isModifierKeySet(event, ignoredModifierKeys) {
  for (const key of _composite.MODIFIER_KEYS.values()) {
    if (ignoredModifierKeys.includes(key)) {
      continue;
    }
    if (event.getModifierState(key)) {
      return true;
    }
  }
  return false;
}