// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.

import type { ComboboxProps } from "@coreai-ds/react-components";
import type { JSXElement } from "@coreai-ds/react-components";
import { useId } from "@coreai-ds/react-components";
import * as React from 'react';
import { makeStyles } from "@coreai-ds/react-components";
import { typographyStyles } from "@coreai-ds/react-components";
import { Combobox } from "@coreai-ds/react-components";
import { Option } from "@coreai-ds/react-components";

const useStyles = makeStyles({
    root: {
        // Stack the label above the field with a gap
        display: 'grid',
        gridTemplateRows: 'repeat(1fr)',
        justifyItems: 'start',
        gap: '2px',
        maxWidth: '400px',
    },
    description: {
        ...typographyStyles.caption1,
    },
});

export const Multiselect = (props: Partial<Omit<ComboboxProps, "label" | "dynamicWidth">>): JSXElement => {
    const comboId = useId('combo-multi');
    const selectedListId = `${comboId}-selection`;
    const [selectedOptions, setSelectedOptions] = React.useState<string[]>([]);
    const options = ['Cat', 'Dog', 'Ferret', 'Fish', 'Hamster', 'Snake'];
    const styles = useStyles();
    const onSelect: ComboboxProps['onOptionSelect'] = (event, data) => {
        setSelectedOptions(data.selectedOptions);
    };
    const labelledBy = selectedOptions.length > 0 ? `${comboId} ${selectedListId}` : comboId;
    return (<div className={styles.root}>
      <label id={comboId}>Best pets</label>
      <Combobox aria-labelledby={labelledBy} multiselect={true} placeholder="Select one or more animals" onOptionSelect={onSelect} {...props}>
        {options.map(option => (<Option key={option} disabled={option === 'Ferret'}>
            {option}
          </Option>))}
      </Combobox>
      {selectedOptions.length ? (<span id={selectedListId} className={styles.description}>
          Chosen pets: {selectedOptions.join(', ')}
        </span>) : null}
    </div>);
};

export default Multiselect;