/*
 * Copyright 2015 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 { Classes, DISPLAYNAME_PREFIX } from "../../common";
import type { HTMLDivProps, Props } from "../../common/props";

export interface DialogFooterProps extends Props, HTMLDivProps {
    /** Dialog actions (typically buttons) are rendered on the right side of the footer. */
    actions?: React.ReactNode;

    /** Child contents are rendered on the left side of the footer. */
    children?: React.ReactNode;

    /**
     * Use a "minimal" appearance for the footer, simply applying an HTML role and
     * some visual padding. This is useful for small dialogs, and should not be used
     * with `<DialogBody useOverflowScrollContainer>`.
     *
     * Note that this is the default behavior when using the CSS API, since that's
     * how the `-dialog-footer` class was first introduced, so these styles are
     * applied without a "modifier" class.
     *
     * When using the JS component API, `minimal` is false by default.
     *
     * Show the footer close from the content.
     * Do not use with scroll body
     * Use for small dialogs (confirm)
     *
     * @default false;
     */
    minimal?: boolean;
}

/**
 * Dialog footer component.
 *
 * @see https://blueprintjs.com/docs/#core/components/dialog.dialog-footer-props
 */
export const DialogFooter = forwardRef<HTMLDivElement, DialogFooterProps>((props, ref) => {
    const { actions, children, className, minimal = false, ...htmlProps } = props;
    return (
        <div
            {...htmlProps}
            className={classNames(Classes.DIALOG_FOOTER, className, {
                [Classes.DIALOG_FOOTER_FIXED]: !minimal,
            })}
            ref={ref}
        >
            <div className={Classes.DIALOG_FOOTER_MAIN_SECTION}>{children}</div>
            {actions != null && <div className={Classes.DIALOG_FOOTER_ACTIONS}>{actions}</div>}
        </div>
    );
});

DialogFooter.displayName = `${DISPLAYNAME_PREFIX}.DialogFooter`;