/*
 * Copyright 2017 Palantir Technologies, Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import classNames from "classnames";
import { forwardRef } from "react";

import { type Alignment, type ButtonVariant, Classes, type Size } from "../../common";
import { DISPLAYNAME_PREFIX, type HTMLDivProps, type Props } from "../../common/props";

export interface ButtonGroupProps extends Props, HTMLDivProps, React.RefAttributes<HTMLDivElement> {
    /**
     * Text alignment within button. By default, icons and text will be centered
     * within the button. Passing `"start"` or `"end"` will align the button
     * text to that side and push `icon` and `endIcon` to either edge. Passing
     * `"center"` will center the text and icons together.
     */
    alignText?: Alignment;

    /** Buttons in this group. */
    children: React.ReactNode;

    /**
     * Whether the button group should take up the full width of its container.
     *
     * @default false
     */
    fill?: boolean;

    /**
     * Whether the child buttons should appear with minimal styling.
     *
     * @deprecated use `variant="minimal"` instead
     * @default false
     */
    minimal?: boolean;

    /**
     * Whether the child buttons should use outlined styles.
     *
     * @deprecated use `variant="outlined"` instead
     * @default false
     */
    outlined?: boolean;

    /**
     * Visual style variant for the child buttons.
     *
     * @default "solid"
     */
    variant?: ButtonVariant;

    /**
     * Whether the child buttons should appear with large styling.
     *
     * @deprecated use `size="large"` instead.
     * @default false
     */
    large?: boolean;

    /**
     * The size of the child buttons.
     *
     * @default "medium"
     */
    size?: Size;

    /**
     * Whether the button group should appear with vertical styling.
     *
     * @default false
     */
    vertical?: boolean;
}

// this component is simple enough that tests would be purely tautological.
/* istanbul ignore next */
/**
 * Button group component.
 *
 * @see https://blueprintjs.com/docs/#core/components/button-group
 */
export const ButtonGroup: React.FC<ButtonGroupProps> = forwardRef<HTMLDivElement, ButtonGroupProps>((props, ref) => {
    const {
        alignText,
        className,
        fill,
        // eslint-disable-next-line @typescript-eslint/no-deprecated
        minimal,
        // eslint-disable-next-line @typescript-eslint/no-deprecated
        outlined,
        // eslint-disable-next-line @typescript-eslint/no-deprecated
        large,
        size = "medium",
        variant = "solid",
        vertical,
        ...htmlProps
    } = props;

    const buttonGroupClasses = classNames(
        Classes.BUTTON_GROUP,
        {
            [Classes.FILL]: fill,
            [Classes.VERTICAL]: vertical,
        },
        Classes.alignmentClass(alignText),
        Classes.sizeClass(size, { large }),
        Classes.variantClass(variant, { minimal, outlined }),
        className,
    );
    return (
        <div {...htmlProps} ref={ref} className={buttonGroupClasses}>
            {props.children}
        </div>
    );
});
ButtonGroup.displayName = `${DISPLAYNAME_PREFIX}.ButtonGroup`;