import _extends from "@babel/runtime/helpers/esm/extends";
import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
import * as React from "react";
import { r as reactIsExports } from "../../../react-is/index.js";
import PropTypes from "../../../prop-types/index.js";
import { clsx } from "../../../clsx/dist/clsx.js";
import styled from "../styles/styled.js";
import BreadcrumbCollapsed from "./BreadcrumbCollapsed.js";
import breadcrumbsClasses, { getBreadcrumbsUtilityClass } from "./breadcrumbsClasses.js";
import { jsx } from "react/jsx-runtime";
import { useDefaultProps } from "../DefaultPropsProvider/DefaultPropsProvider.js";
import useSlotProps from "../node_modules/@mui/utils/esm/useSlotProps/useSlotProps.js";
import composeClasses from "../node_modules/@mui/utils/esm/composeClasses/composeClasses.js";
import Typography from "../Typography/Typography.js";
import integerPropType from "../node_modules/@mui/utils/esm/integerPropType/integerPropType.js";
const _excluded = ["children", "className", "component", "slots", "slotProps", "expandText", "itemsAfterCollapse", "itemsBeforeCollapse", "maxItems", "separator"];
const useUtilityClasses = (ownerState) => {
  const {
    classes
  } = ownerState;
  const slots = {
    root: ["root"],
    li: ["li"],
    ol: ["ol"],
    separator: ["separator"]
  };
  return composeClasses(slots, getBreadcrumbsUtilityClass, classes);
};
const BreadcrumbsRoot = styled(Typography, {
  name: "MuiBreadcrumbs",
  slot: "Root",
  overridesResolver: (props, styles) => {
    return [{
      [`& .${breadcrumbsClasses.li}`]: styles.li
    }, styles.root];
  }
})({});
const BreadcrumbsOl = styled("ol", {
  name: "MuiBreadcrumbs",
  slot: "Ol",
  overridesResolver: (props, styles) => styles.ol
})({
  display: "flex",
  flexWrap: "wrap",
  alignItems: "center",
  padding: 0,
  margin: 0,
  listStyle: "none"
});
const BreadcrumbsSeparator = styled("li", {
  name: "MuiBreadcrumbs",
  slot: "Separator",
  overridesResolver: (props, styles) => styles.separator
})({
  display: "flex",
  userSelect: "none",
  marginLeft: 8,
  marginRight: 8
});
function insertSeparators(items, className, separator, ownerState) {
  return items.reduce((acc, current, index) => {
    if (index < items.length - 1) {
      acc = acc.concat(current, /* @__PURE__ */ jsx(BreadcrumbsSeparator, {
        "aria-hidden": true,
        className,
        ownerState,
        children: separator
      }, `separator-${index}`));
    } else {
      acc.push(current);
    }
    return acc;
  }, []);
}
const Breadcrumbs = /* @__PURE__ */ React.forwardRef(function Breadcrumbs2(inProps, ref) {
  const props = useDefaultProps({
    props: inProps,
    name: "MuiBreadcrumbs"
  });
  const {
    children,
    className,
    component = "nav",
    slots = {},
    slotProps = {},
    expandText = "Show path",
    itemsAfterCollapse = 1,
    itemsBeforeCollapse = 1,
    maxItems = 8,
    separator = "/"
  } = props, other = _objectWithoutPropertiesLoose(props, _excluded);
  const [expanded, setExpanded] = React.useState(false);
  const ownerState = _extends({}, props, {
    component,
    expanded,
    expandText,
    itemsAfterCollapse,
    itemsBeforeCollapse,
    maxItems,
    separator
  });
  const classes = useUtilityClasses(ownerState);
  const collapsedIconSlotProps = useSlotProps({
    elementType: slots.CollapsedIcon,
    externalSlotProps: slotProps.collapsedIcon,
    ownerState
  });
  const listRef = React.useRef(null);
  const renderItemsBeforeAndAfter = (allItems2) => {
    const handleClickExpand = () => {
      setExpanded(true);
      const focusable = listRef.current.querySelector("a[href],button,[tabindex]");
      if (focusable) {
        focusable.focus();
      }
    };
    if (itemsBeforeCollapse + itemsAfterCollapse >= allItems2.length) {
      if (process.env.NODE_ENV !== "production") {
        console.error(["MUI: You have provided an invalid combination of props to the Breadcrumbs.", `itemsAfterCollapse={${itemsAfterCollapse}} + itemsBeforeCollapse={${itemsBeforeCollapse}} >= maxItems={${maxItems}}`].join("\n"));
      }
      return allItems2;
    }
    return [...allItems2.slice(0, itemsBeforeCollapse), /* @__PURE__ */ jsx(BreadcrumbCollapsed, {
      "aria-label": expandText,
      slots: {
        CollapsedIcon: slots.CollapsedIcon
      },
      slotProps: {
        collapsedIcon: collapsedIconSlotProps
      },
      onClick: handleClickExpand
    }, "ellipsis"), ...allItems2.slice(allItems2.length - itemsAfterCollapse, allItems2.length)];
  };
  const allItems = React.Children.toArray(children).filter((child) => {
    if (process.env.NODE_ENV !== "production") {
      if (reactIsExports.isFragment(child)) {
        console.error(["MUI: The Breadcrumbs component doesn't accept a Fragment as a child.", "Consider providing an array instead."].join("\n"));
      }
    }
    return /* @__PURE__ */ React.isValidElement(child);
  }).map((child, index) => /* @__PURE__ */ jsx("li", {
    className: classes.li,
    children: child
  }, `child-${index}`));
  return /* @__PURE__ */ jsx(BreadcrumbsRoot, _extends({
    ref,
    component,
    color: "text.secondary",
    className: clsx(classes.root, className),
    ownerState
  }, other, {
    children: /* @__PURE__ */ jsx(BreadcrumbsOl, {
      className: classes.ol,
      ref: listRef,
      ownerState,
      children: insertSeparators(expanded || maxItems && allItems.length <= maxItems ? allItems : renderItemsBeforeAndAfter(allItems), classes.separator, separator, ownerState)
    })
  }));
});
process.env.NODE_ENV !== "production" ? Breadcrumbs.propTypes = {
  // ┌────────────────────────────── Warning ──────────────────────────────┐
  // │ These PropTypes are generated from the TypeScript type definitions. │
  // │    To update them, edit the d.ts file and run `pnpm proptypes`.     │
  // └─────────────────────────────────────────────────────────────────────┘
  /**
   * The content of the component.
   */
  children: PropTypes.node,
  /**
   * Override or extend the styles applied to the component.
   */
  classes: PropTypes.object,
  /**
   * @ignore
   */
  className: PropTypes.string,
  /**
   * The component used for the root node.
   * Either a string to use a HTML element or a component.
   */
  component: PropTypes.elementType,
  /**
   * Override the default label for the expand button.
   *
   * For localization purposes, you can use the provided [translations](/material-ui/guides/localization/).
   * @default 'Show path'
   */
  expandText: PropTypes.string,
  /**
   * If max items is exceeded, the number of items to show after the ellipsis.
   * @default 1
   */
  itemsAfterCollapse: integerPropType,
  /**
   * If max items is exceeded, the number of items to show before the ellipsis.
   * @default 1
   */
  itemsBeforeCollapse: integerPropType,
  /**
   * Specifies the maximum number of breadcrumbs to display. When there are more
   * than the maximum number, only the first `itemsBeforeCollapse` and last `itemsAfterCollapse`
   * will be shown, with an ellipsis in between.
   * @default 8
   */
  maxItems: integerPropType,
  /**
   * Custom separator node.
   * @default '/'
   */
  separator: PropTypes.node,
  /**
   * The props used for each slot inside the Breadcumb.
   * @default {}
   */
  slotProps: PropTypes.shape({
    collapsedIcon: PropTypes.oneOfType([PropTypes.func, PropTypes.object])
  }),
  /**
   * The components used for each slot inside the Breadcumb.
   * Either a string to use a HTML element or a component.
   * @default {}
   */
  slots: PropTypes.shape({
    CollapsedIcon: PropTypes.elementType
  }),
  /**
   * The system prop that allows defining system overrides as well as additional CSS styles.
   */
  sx: PropTypes.oneOfType([PropTypes.arrayOf(PropTypes.oneOfType([PropTypes.func, PropTypes.object, PropTypes.bool])), PropTypes.func, PropTypes.object])
} : void 0;
export {
  Breadcrumbs as default
};
