import { ChangeEvent, Component, CSSProperties, HTMLProps, ReactNode } from "react";

export = Autocomplete;
declare namespace Autocomplete {
    interface Props {
        /**
         * The items to display in the dropdown menu
         */
        items: any[];
        /**
         * The value to display in the input field
         */
        value: any;
        /**
         * Arguments: `event: Event, value: String`
         *
         * Invoked every time the user changes the input's value.
         */
        onChange?: ((e: ChangeEvent<HTMLInputElement>, value: string) => void) | undefined;
        /**
         * Arguments: `value: String, item: Any`
         *
         * Invoked when the user selects an item from the dropdown menu.
         */
        onSelect?: ((value: string, item: any) => void) | undefined;
        /**
         * Arguments: `item: Any, value: String`
         *
         * Invoked for each entry in `items` and its return value is used to
         * determine whether or not it should be displayed in the dropdown menu.
         * By default all items are always rendered.
         */
        shouldItemRender?: ((item: any, value: string) => boolean) | undefined;
        /**
         * Arguments: `item: Any`
         *
         * Invoked when attempting to select an item. The return value is used to
         * determine whether the item should be selectable or not.
         * By default all items are selectable.
         */
        isItemSelectable?: ((item: any) => boolean) | undefined;
        /**
         * Arguments: `itemA: Any, itemB: Any, value: String`
         *
         * The function which is used to sort `items` before display.
         */
        sortItems?: ((a: any, b: any, value: string) => number) | undefined;
        /**
         * Arguments: `item: Any`
         *
         * Used to read the display value from each entry in `items`.
         */
        getItemValue: (item: any) => string;
        /**
         * Arguments: `item: Any, isHighlighted: Boolean, styles: Object`
         *
         * Invoked for each entry in `items` that also passes `shouldItemRender` to
         * generate the render tree for each item in the dropdown menu. `styles` is
         * an optional set of styles that can be applied to improve the look/feel
         * of the items in the dropdown menu.
         */
        renderItem: (item: any, isHighlighted: boolean, styles?: CSSProperties) => ReactNode;
        /**
         * Arguments: `items: Array<Any>, value: String, styles: Object`
         *
         * Invoked to generate the render tree for the dropdown menu. Ensure the
         * returned tree includes every entry in `items` or else the highlight order
         * and keyboard navigation logic will break. `styles` will contain
         * { top, left, minWidth } which are the coordinates of the top-left corner
         * and the width of the dropdown menu.
         */
        renderMenu?:
            | ((
                items: ReactNode[],
                value: string,
                styles: CSSProperties,
            ) => ReactNode)
            | undefined;
        /**
         * Styles that are applied to the dropdown menu in the default `renderMenu`
         * implementation. If you override `renderMenu` and you want to use
         * `menuStyle` you must manually apply them (`this.props.menuStyle`).
         */
        menuStyle?: CSSProperties | undefined;
        /**
         * Arguments: `props: Object`
         *
         * Invoked to generate the input element. The `props` argument is the result
         * of merging `props.inputProps` with a selection of props that are required
         * both for functionality and accessibility. At the very least you need to
         * apply `props.ref` and all `props.on<event>` event handlers. Failing to do
         * this will cause `Autocomplete` to behave unexpectedly.
         */
        renderInput?: ((props: HTMLProps<HTMLInputElement>) => ReactNode) | undefined;
        /**
         * Props passed to `props.renderInput`. By default these props will be
         * applied to the `<input />` element rendered by `Autocomplete`, unless you
         * have specified a custom value for `props.renderInput`. Any properties
         * supported by `HTMLInputElement` can be specified, apart from the
         * following which are set by `Autocomplete`: value, autoComplete, role,
         * aria-autocomplete. `inputProps` is commonly used for (but not limited to)
         * placeholder, event handlers (onFocus, onBlur, etc.), autoFocus, etc..
         */
        inputProps?: HTMLProps<HTMLInputElement> | undefined;
        /**
         * Props that are applied to the element which wraps the `<input />` and
         * dropdown menu elements rendered by `Autocomplete`.
         */
        wrapperProps?: HTMLProps<HTMLDivElement> | undefined;
        /**
         * This is a shorthand for `wrapperProps={{ style: <your styles> }}`.
         * Note that `wrapperStyle` is applied before `wrapperProps`, so the latter
         * will win if it contains a `style` entry.
         */
        wrapperStyle?: CSSProperties | undefined;
        /**
         * Whether or not to automatically highlight the top match in the dropdown
         * menu.
         *
         * @default true
         */
        autoHighlight?: boolean | undefined;
        /**
         * Whether or not to automatically select the highlighted item when the
         * `<input>` loses focus.
         */
        selectOnBlur?: boolean | undefined;
        /**
         * Arguments: `isOpen: Boolean`
         *
         * Invoked every time the dropdown menu's visibility changes (i.e. every
         * time it is displayed/hidden).
         */
        onMenuVisibilityChange?: ((isOpen: boolean) => void) | undefined;
        /**
         * Used to override the internal logic which displays/hides the dropdown
         * menu. This is useful if you want to force a certain state based on your
         * UX/business logic. Use it together with `onMenuVisibilityChange` for
         * fine-grained control over the dropdown menu dynamics.
         */
        open?: boolean | undefined;
        debug?: boolean | undefined;
    }

    interface State {
        /**
         * True when the menu is visible. Provided to `onMenuVisibilityChange`.
         */
        isOpen: boolean;

        /**
         * Index of the highlighted item, `null` if none currently is.
         */
        highlightedIndex: number | null;

        /**
         * These three `menu___` values are used in CSS to layout the menu.
         */
        menuLeft?: number | undefined;
        menuTop?: number | undefined;
        menuWidth?: number | undefined;
    }
}
declare class Autocomplete extends Component<Autocomplete.Props, Autocomplete.State> {
    /**
     * Autocomplete exposes a subset of `HTMLInputElement` properties to the parent component.
     * They can be accessed through Autocomplete's `ref` prop.
     */
    blur: HTMLInputElement["blur"];
    checkValidity: HTMLInputElement["checkValidity"];
    click: HTMLInputElement["click"];
    focus: HTMLInputElement["focus"];
    select: HTMLInputElement["select"];
    setCustomValidity: HTMLInputElement["setCustomValidity"];
    setSelectionRange: HTMLInputElement["setSelectionRange"];
}