import { isShadowRoot, isHTMLElement } from '@floating-ui/utils/dom';
import * as React from 'react';
import { useLayoutEffect } from 'react';
import { floor } from '@floating-ui/utils';
import { tabbable } from 'tabbable';

// Avoid Chrome DevTools blue warning.
function getPlatform() {
  const uaData = navigator.userAgentData;
  if (uaData != null && uaData.platform) {
    return uaData.platform;
  }
  return navigator.platform;
}
function getUserAgent() {
  const uaData = navigator.userAgentData;
  if (uaData && Array.isArray(uaData.brands)) {
    return uaData.brands.map(_ref => {
      let {
        brand,
        version
      } = _ref;
      return brand + "/" + version;
    }).join(' ');
  }
  return navigator.userAgent;
}
function isSafari() {
  // Chrome DevTools does not complain about navigator.vendor
  return /apple/i.test(navigator.vendor);
}
function isAndroid() {
  const re = /android/i;
  return re.test(getPlatform()) || re.test(getUserAgent());
}
function isMac() {
  return getPlatform().toLowerCase().startsWith('mac') && !navigator.maxTouchPoints;
}
function isJSDOM() {
  return getUserAgent().includes('jsdom/');
}

const FOCUSABLE_ATTRIBUTE = 'data-floating-ui-focusable';
const TYPEABLE_SELECTOR = "input:not([type='hidden']):not([disabled])," + "[contenteditable]:not([contenteditable='false']),textarea:not([disabled])";
const ARROW_LEFT = 'ArrowLeft';
const ARROW_RIGHT = 'ArrowRight';
const ARROW_UP = 'ArrowUp';
const ARROW_DOWN = 'ArrowDown';

function activeElement(doc) {
  let activeElement = doc.activeElement;
  while (((_activeElement = activeElement) == null || (_activeElement = _activeElement.shadowRoot) == null ? void 0 : _activeElement.activeElement) != null) {
    var _activeElement;
    activeElement = activeElement.shadowRoot.activeElement;
  }
  return activeElement;
}
function contains(parent, child) {
  if (!parent || !child) {
    return false;
  }
  const rootNode = child.getRootNode == null ? void 0 : child.getRootNode();

  // First, attempt with faster native method
  if (parent.contains(child)) {
    return true;
  }

  // then fallback to custom implementation with Shadow DOM support
  if (rootNode && isShadowRoot(rootNode)) {
    let next = child;
    while (next) {
      if (parent === next) {
        return true;
      }
      // @ts-ignore
      next = next.parentNode || next.host;
    }
  }

  // Give up, the result is false
  return false;
}
function getTarget(event) {
  if ('composedPath' in event) {
    return event.composedPath()[0];
  }

  // TS thinks `event` is of type never as it assumes all browsers support
  // `composedPath()`, but browsers without shadow DOM don't.
  return event.target;
}
function isEventTargetWithin(event, node) {
  if (node == null) {
    return false;
  }
  if ('composedPath' in event) {
    return event.composedPath().includes(node);
  }

  // TS thinks `event` is of type never as it assumes all browsers support composedPath, but browsers without shadow dom don't
  const e = event;
  return e.target != null && node.contains(e.target);
}
function isRootElement(element) {
  return element.matches('html,body');
}
function getDocument(node) {
  return (node == null ? void 0 : node.ownerDocument) || document;
}
function isTypeableElement(element) {
  return isHTMLElement(element) && element.matches(TYPEABLE_SELECTOR);
}
function isTypeableCombobox(element) {
  if (!element) return false;
  return element.getAttribute('role') === 'combobox' && isTypeableElement(element);
}
function matchesFocusVisible(element) {
  // We don't want to block focus from working with `visibleOnly`
  // (JSDOM doesn't match `:focus-visible` when the element has `:focus`)
  if (!element || isJSDOM()) return true;
  try {
    return element.matches(':focus-visible');
  } catch (_e) {
    return true;
  }
}
function getFloatingFocusElement(floatingElement) {
  if (!floatingElement) {
    return null;
  }
  // Try to find the element that has `{...getFloatingProps()}` spread on it.
  // This indicates the floating element is acting as a positioning wrapper, and
  // so focus should be managed on the child element with the event handlers and
  // aria props.
  return floatingElement.hasAttribute(FOCUSABLE_ATTRIBUTE) ? floatingElement : floatingElement.querySelector("[" + FOCUSABLE_ATTRIBUTE + "]") || floatingElement;
}

function getNodeChildren(nodes, id, onlyOpenChildren) {
  if (onlyOpenChildren === void 0) {
    onlyOpenChildren = true;
  }
  const directChildren = nodes.filter(node => {
    var _node$context;
    return node.parentId === id && (!onlyOpenChildren || ((_node$context = node.context) == null ? void 0 : _node$context.open));
  });
  return directChildren.flatMap(child => [child, ...getNodeChildren(nodes, child.id, onlyOpenChildren)]);
}
function getDeepestNode(nodes, id) {
  let deepestNodeId;
  let maxDepth = -1;
  function findDeepest(nodeId, depth) {
    if (depth > maxDepth) {
      deepestNodeId = nodeId;
      maxDepth = depth;
    }
    const children = getNodeChildren(nodes, nodeId);
    children.forEach(child => {
      findDeepest(child.id, depth + 1);
    });
  }
  findDeepest(id, 0);
  return nodes.find(node => node.id === deepestNodeId);
}
function getNodeAncestors(nodes, id) {
  var _nodes$find;
  let allAncestors = [];
  let currentParentId = (_nodes$find = nodes.find(node => node.id === id)) == null ? void 0 : _nodes$find.parentId;
  while (currentParentId) {
    const currentNode = nodes.find(node => node.id === currentParentId);
    currentParentId = currentNode == null ? void 0 : currentNode.parentId;
    if (currentNode) {
      allAncestors = allAncestors.concat(currentNode);
    }
  }
  return allAncestors;
}

function stopEvent(event) {
  event.preventDefault();
  event.stopPropagation();
}
function isReactEvent(event) {
  return 'nativeEvent' in event;
}

// License: https://github.com/adobe/react-spectrum/blob/b35d5c02fe900badccd0cf1a8f23bb593419f238/packages/@react-aria/utils/src/isVirtualEvent.ts
function isVirtualClick(event) {
  // FIXME: Firefox is now emitting a deprecation warning for `mozInputSource`.
  // Try to find a workaround for this. `react-aria` source still has the check.
  if (event.mozInputSource === 0 && event.isTrusted) {
    return true;
  }
  if (isAndroid() && event.pointerType) {
    return event.type === 'click' && event.buttons === 1;
  }
  return event.detail === 0 && !event.pointerType;
}
function isVirtualPointerEvent(event) {
  if (isJSDOM()) return false;
  return !isAndroid() && event.width === 0 && event.height === 0 || isAndroid() && event.width === 1 && event.height === 1 && event.pressure === 0 && event.detail === 0 && event.pointerType === 'mouse' ||
  // iOS VoiceOver returns 0.333• for width/height.
  event.width < 1 && event.height < 1 && event.pressure === 0 && event.detail === 0 && event.pointerType === 'touch';
}
function isMouseLikePointerType(pointerType, strict) {
  // On some Linux machines with Chromium, mouse inputs return a `pointerType`
  // of "pen": https://github.com/floating-ui/floating-ui/issues/2015
  const values = ['mouse', 'pen'];
  if (!strict) {
    values.push('', undefined);
  }
  return values.includes(pointerType);
}

var isClient = typeof document !== 'undefined';

var noop = function noop() {};
var index = isClient ? useLayoutEffect : noop;

// https://github.com/mui/material-ui/issues/41190#issuecomment-2040873379
const SafeReact = {
  ...React
};

function useLatestRef(value) {
  const ref = React.useRef(value);
  index(() => {
    ref.current = value;
  });
  return ref;
}
const useInsertionEffect = SafeReact.useInsertionEffect;
const useSafeInsertionEffect = useInsertionEffect || (fn => fn());
function useEffectEvent(callback) {
  const ref = React.useRef(() => {
    if (process.env.NODE_ENV !== "production") {
      throw new Error('Cannot call an event handler while rendering.');
    }
  });
  useSafeInsertionEffect(() => {
    ref.current = callback;
  });
  return React.useCallback(function () {
    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }
    return ref.current == null ? void 0 : ref.current(...args);
  }, []);
}

function isDifferentGridRow(index, cols, prevRow) {
  return Math.floor(index / cols) !== prevRow;
}
function isIndexOutOfListBounds(listRef, index) {
  return index < 0 || index >= listRef.current.length;
}
function getMinListIndex(listRef, disabledIndices) {
  return findNonDisabledListIndex(listRef, {
    disabledIndices
  });
}
function getMaxListIndex(listRef, disabledIndices) {
  return findNonDisabledListIndex(listRef, {
    decrement: true,
    startingIndex: listRef.current.length,
    disabledIndices
  });
}
function findNonDisabledListIndex(listRef, _temp) {
  let {
    startingIndex = -1,
    decrement = false,
    disabledIndices,
    amount = 1
  } = _temp === void 0 ? {} : _temp;
  let index = startingIndex;
  do {
    index += decrement ? -amount : amount;
  } while (index >= 0 && index <= listRef.current.length - 1 && isListIndexDisabled(listRef, index, disabledIndices));
  return index;
}
function getGridNavigatedIndex(listRef, _ref) {
  let {
    event,
    orientation,
    loop,
    rtl,
    cols,
    disabledIndices,
    minIndex,
    maxIndex,
    prevIndex,
    stopEvent: stop = false
  } = _ref;
  let nextIndex = prevIndex;
  if (event.key === ARROW_UP) {
    stop && stopEvent(event);
    if (prevIndex === -1) {
      nextIndex = maxIndex;
    } else {
      nextIndex = findNonDisabledListIndex(listRef, {
        startingIndex: nextIndex,
        amount: cols,
        decrement: true,
        disabledIndices
      });
      if (loop && (prevIndex - cols < minIndex || nextIndex < 0)) {
        const col = prevIndex % cols;
        const maxCol = maxIndex % cols;
        const offset = maxIndex - (maxCol - col);
        if (maxCol === col) {
          nextIndex = maxIndex;
        } else {
          nextIndex = maxCol > col ? offset : offset - cols;
        }
      }
    }
    if (isIndexOutOfListBounds(listRef, nextIndex)) {
      nextIndex = prevIndex;
    }
  }
  if (event.key === ARROW_DOWN) {
    stop && stopEvent(event);
    if (prevIndex === -1) {
      nextIndex = minIndex;
    } else {
      nextIndex = findNonDisabledListIndex(listRef, {
        startingIndex: prevIndex,
        amount: cols,
        disabledIndices
      });
      if (loop && prevIndex + cols > maxIndex) {
        nextIndex = findNonDisabledListIndex(listRef, {
          startingIndex: prevIndex % cols - cols,
          amount: cols,
          disabledIndices
        });
      }
    }
    if (isIndexOutOfListBounds(listRef, nextIndex)) {
      nextIndex = prevIndex;
    }
  }

  // Remains on the same row/column.
  if (orientation === 'both') {
    const prevRow = floor(prevIndex / cols);
    if (event.key === (rtl ? ARROW_LEFT : ARROW_RIGHT)) {
      stop && stopEvent(event);
      if (prevIndex % cols !== cols - 1) {
        nextIndex = findNonDisabledListIndex(listRef, {
          startingIndex: prevIndex,
          disabledIndices
        });
        if (loop && isDifferentGridRow(nextIndex, cols, prevRow)) {
          nextIndex = findNonDisabledListIndex(listRef, {
            startingIndex: prevIndex - prevIndex % cols - 1,
            disabledIndices
          });
        }
      } else if (loop) {
        nextIndex = findNonDisabledListIndex(listRef, {
          startingIndex: prevIndex - prevIndex % cols - 1,
          disabledIndices
        });
      }
      if (isDifferentGridRow(nextIndex, cols, prevRow)) {
        nextIndex = prevIndex;
      }
    }
    if (event.key === (rtl ? ARROW_RIGHT : ARROW_LEFT)) {
      stop && stopEvent(event);
      if (prevIndex % cols !== 0) {
        nextIndex = findNonDisabledListIndex(listRef, {
          startingIndex: prevIndex,
          decrement: true,
          disabledIndices
        });
        if (loop && isDifferentGridRow(nextIndex, cols, prevRow)) {
          nextIndex = findNonDisabledListIndex(listRef, {
            startingIndex: prevIndex + (cols - prevIndex % cols),
            decrement: true,
            disabledIndices
          });
        }
      } else if (loop) {
        nextIndex = findNonDisabledListIndex(listRef, {
          startingIndex: prevIndex + (cols - prevIndex % cols),
          decrement: true,
          disabledIndices
        });
      }
      if (isDifferentGridRow(nextIndex, cols, prevRow)) {
        nextIndex = prevIndex;
      }
    }
    const lastRow = floor(maxIndex / cols) === prevRow;
    if (isIndexOutOfListBounds(listRef, nextIndex)) {
      if (loop && lastRow) {
        nextIndex = event.key === (rtl ? ARROW_RIGHT : ARROW_LEFT) ? maxIndex : findNonDisabledListIndex(listRef, {
          startingIndex: prevIndex - prevIndex % cols - 1,
          disabledIndices
        });
      } else {
        nextIndex = prevIndex;
      }
    }
  }
  return nextIndex;
}

/** For each cell index, gets the item index that occupies that cell */
function createGridCellMap(sizes, cols, dense) {
  const cellMap = [];
  let startIndex = 0;
  sizes.forEach((_ref2, index) => {
    let {
      width,
      height
    } = _ref2;
    if (width > cols) {
      if (process.env.NODE_ENV !== "production") {
        throw new Error("[Floating UI]: Invalid grid - item width at index " + index + " is greater than grid columns");
      }
    }
    let itemPlaced = false;
    if (dense) {
      startIndex = 0;
    }
    while (!itemPlaced) {
      const targetCells = [];
      for (let i = 0; i < width; i++) {
        for (let j = 0; j < height; j++) {
          targetCells.push(startIndex + i + j * cols);
        }
      }
      if (startIndex % cols + width <= cols && targetCells.every(cell => cellMap[cell] == null)) {
        targetCells.forEach(cell => {
          cellMap[cell] = index;
        });
        itemPlaced = true;
      } else {
        startIndex++;
      }
    }
  });

  // convert into a non-sparse array
  return [...cellMap];
}

/** Gets cell index of an item's corner or -1 when index is -1. */
function getGridCellIndexOfCorner(index, sizes, cellMap, cols, corner) {
  if (index === -1) return -1;
  const firstCellIndex = cellMap.indexOf(index);
  const sizeItem = sizes[index];
  switch (corner) {
    case 'tl':
      return firstCellIndex;
    case 'tr':
      if (!sizeItem) {
        return firstCellIndex;
      }
      return firstCellIndex + sizeItem.width - 1;
    case 'bl':
      if (!sizeItem) {
        return firstCellIndex;
      }
      return firstCellIndex + (sizeItem.height - 1) * cols;
    case 'br':
      return cellMap.lastIndexOf(index);
  }
}

/** Gets all cell indices that correspond to the specified indices */
function getGridCellIndices(indices, cellMap) {
  return cellMap.flatMap((index, cellIndex) => indices.includes(index) ? [cellIndex] : []);
}
function isListIndexDisabled(listRef, index, disabledIndices) {
  if (typeof disabledIndices === 'function') {
    return disabledIndices(index);
  } else if (disabledIndices) {
    return disabledIndices.includes(index);
  }
  const element = listRef.current[index];
  return element == null || element.hasAttribute('disabled') || element.getAttribute('aria-disabled') === 'true';
}

const getTabbableOptions = () => ({
  getShadowRoot: true,
  displayCheck:
  // JSDOM does not support the `tabbable` library. To solve this we can
  // check if `ResizeObserver` is a real function (not polyfilled), which
  // determines if the current environment is JSDOM-like.
  typeof ResizeObserver === 'function' && ResizeObserver.toString().includes('[native code]') ? 'full' : 'none'
});
function getTabbableIn(container, dir) {
  const list = tabbable(container, getTabbableOptions());
  const len = list.length;
  if (len === 0) return;
  const active = activeElement(getDocument(container));
  const index = list.indexOf(active);
  const nextIndex = index === -1 ? dir === 1 ? 0 : len - 1 : index + dir;
  return list[nextIndex];
}
function getNextTabbable(referenceElement) {
  return getTabbableIn(getDocument(referenceElement).body, 1) || referenceElement;
}
function getPreviousTabbable(referenceElement) {
  return getTabbableIn(getDocument(referenceElement).body, -1) || referenceElement;
}
function isOutsideEvent(event, container) {
  const containerElement = container || event.currentTarget;
  const relatedTarget = event.relatedTarget;
  return !relatedTarget || !contains(containerElement, relatedTarget);
}
function disableFocusInside(container) {
  const tabbableElements = tabbable(container, getTabbableOptions());
  tabbableElements.forEach(element => {
    element.dataset.tabindex = element.getAttribute('tabindex') || '';
    element.setAttribute('tabindex', '-1');
  });
}
function enableFocusInside(container) {
  const elements = container.querySelectorAll('[data-tabindex]');
  elements.forEach(element => {
    const tabindex = element.dataset.tabindex;
    delete element.dataset.tabindex;
    if (tabindex) {
      element.setAttribute('tabindex', tabindex);
    } else {
      element.removeAttribute('tabindex');
    }
  });
}

export { activeElement, contains, createGridCellMap, disableFocusInside, enableFocusInside, findNonDisabledListIndex, getDeepestNode, getDocument, getFloatingFocusElement, getGridCellIndexOfCorner, getGridCellIndices, getGridNavigatedIndex, getMaxListIndex, getMinListIndex, getNextTabbable, getNodeAncestors, getNodeChildren, getPlatform, getPreviousTabbable, getTabbableOptions, getTarget, getUserAgent, isAndroid, isDifferentGridRow, isEventTargetWithin, isIndexOutOfListBounds, isJSDOM, isListIndexDisabled, isMac, isMouseLikePointerType, isOutsideEvent, isReactEvent, isRootElement, isSafari, isTypeableCombobox, isTypeableElement, isVirtualClick, isVirtualPointerEvent, matchesFocusVisible, stopEvent, useEffectEvent, useLatestRef, index as useModernLayoutEffect };