import {
    useEffect,
    useImperativeHandle,
    useMemo,
    useRef,
    useState,
} from 'react';
/* eslint-disable no-restricted-imports */
import PopperUnstyled from '@mui/base/PopperUnstyled';
/* eslint-disable no-restricted-imports */
import ClickAwayListener from '@mui/base/ClickAwayListener';
/* eslint-disable no-restricted-imports */
import Grow from '@mui/material/Grow';

import { styled } from '../styled';

import { PopperProps, VirtualElement } from './interface';
import { PopperArrow } from './PopoverArrow';
export const Popper = ({
    children,
    content,
    anchorEl: propsAnchorEl,
    placement = 'top-start',
    defaultVisible = false,
    visible: propsVisible,
    trigger = 'hover',
    pointerEnterDelay = 100,
    pointerLeaveDelay = 100,
    onVisibleChange,
    popoverStyle,
    popoverClassName,
    anchorStyle,
    anchorClassName,
    zIndex,
    offset = [0, 5],
    showArrow = false,
    popperHandlerRef,
    onClick,
    onClickAway,
    ...popperProps
}: PopperProps) => {
    const [anchorEl, setAnchorEl] = useState<VirtualElement>(null);
    const [visible, setVisible] = useState(defaultVisible);
    const [arrowRef, setArrowRef] = useState<HTMLElement>(null);
    const popperRef = useRef();
    const pointerLeaveTimer = useRef<number>();
    const pointerEnterTimer = useRef<number>();

    const visibleControlledByParent = typeof propsVisible !== 'undefined';
    const isAnchorCustom = typeof propsAnchorEl !== 'undefined';

    const hasHoverTrigger = useMemo(() => {
        return (
            trigger === 'hover' ||
            (Array.isArray(trigger) && trigger.includes('hover'))
        );
    }, [trigger]);

    const hasClickTrigger = useMemo(() => {
        return (
            trigger === 'click' ||
            (Array.isArray(trigger) && trigger.includes('click'))
        );
    }, [trigger]);

    const onPointerEnterHandler = () => {
        if (!hasHoverTrigger || visibleControlledByParent) {
            return;
        }
        window.clearTimeout(pointerLeaveTimer.current);

        pointerEnterTimer.current = window.setTimeout(() => {
            setVisible(true);
        }, pointerEnterDelay);
    };

    const onPointerLeaveHandler = () => {
        if (!hasHoverTrigger || visibleControlledByParent) {
            return;
        }
        window.clearTimeout(pointerEnterTimer.current);
        pointerLeaveTimer.current = window.setTimeout(() => {
            setVisible(false);
        }, pointerLeaveDelay);
    };

    useEffect(() => {
        onVisibleChange?.(visible);
    }, [visible, onVisibleChange]);

    useImperativeHandle(popperHandlerRef, () => {
        return {
            setVisible: (visible: boolean) => {
                !visibleControlledByParent && setVisible(visible);
            },
        };
    });

    return (
        <ClickAwayListener
            onClickAway={() => {
                if (visibleControlledByParent) {
                    onClickAway?.();
                } else {
                    setVisible(false);
                }
            }}
        >
            <Container>
                {isAnchorCustom ? null : (
                    <div
                        ref={(dom: HTMLDivElement) => setAnchorEl(dom)}
                        onClick={e => {
                            if (!hasClickTrigger || visibleControlledByParent) {
                                onClick?.(e);
                                return;
                            }
                            setVisible(!visible);
                        }}
                        onPointerEnter={onPointerEnterHandler}
                        onPointerLeave={onPointerLeaveHandler}
                        style={anchorStyle}
                        className={anchorClassName}
                    >
                        {children}
                    </div>
                )}
                <BasicStyledPopper
                    popperRef={popperRef}
                    open={visibleControlledByParent ? propsVisible : visible}
                    zIndex={zIndex}
                    anchorEl={isAnchorCustom ? propsAnchorEl : anchorEl}
                    placement={placement}
                    transition
                    modifiers={[
                        {
                            name: 'offset',
                            options: {
                                offset,
                            },
                        },
                        {
                            name: 'arrow',
                            enabled: showArrow,
                            options: {
                                element: arrowRef,
                            },
                        },
                    ]}
                    {...popperProps}
                >
                    {({ TransitionProps }) => (
                        <Grow {...TransitionProps}>
                            <div
                                onPointerEnter={onPointerEnterHandler}
                                onPointerLeave={onPointerLeaveHandler}
                                style={popoverStyle}
                                className={popoverClassName}
                            >
                                {showArrow && (
                                    <PopperArrow
                                        placement={placement}
                                        ref={setArrowRef}
                                    />
                                )}
                                {content}
                            </div>
                        </Grow>
                    )}
                </BasicStyledPopper>
            </Container>
        </ClickAwayListener>
    );
};

// The children of ClickAwayListener must be a DOM Node to judge whether the click is outside, use node.contains
const Container = styled('div')({
    display: 'contents',
});

const BasicStyledPopper = styled(PopperUnstyled, {
    shouldForwardProp: propName => !['zIndex'].some(name => name === propName),
})<{
    zIndex?: number;
}>(({ zIndex, theme }) => {
    return {
        zIndex: zIndex || theme.affine.zIndex.popover,
    };
});