import React, { cloneElement, useEffect, useRef } from 'react';
import {
	type AriaDialogProps,
	type AriaModalOverlayProps,
	Overlay,
	useDialog,
	useModalOverlay,
	useOverlayTrigger,
} from 'react-aria';
import { Form, type HTMLFormMethod } from 'react-router';
import {
	type OverlayTriggerProps,
	type OverlayTriggerState,
	useOverlayTriggerState,
} from 'react-stately';
import Button, { ButtonProps } from '~/components/Button';
import Card from '~/components/Card';
import IconButton, { IconButtonProps } from '~/components/IconButton';
import Text from '~/components/Text';
import Title from '~/components/Title';
import cn from '~/utils/cn';
import { useLiveData } from '~/utils/live-data';

export interface DialogProps extends OverlayTriggerProps {
	children:
		| [
				React.ReactElement<ButtonProps> | React.ReactElement<IconButtonProps>,
				React.ReactElement<DialogPanelProps>,
		  ]
		| React.ReactElement<DialogPanelProps>;
}

function Dialog(props: DialogProps) {
	const { pause, resume } = useLiveData();
	const state = useOverlayTriggerState(props);
	const { triggerProps, overlayProps } = useOverlayTrigger(
		{
			type: 'dialog',
		},
		state,
	);

	useEffect(() => {
		if (state.isOpen) {
			pause();
		} else {
			resume();
		}
	}, [state.isOpen]);

	if (Array.isArray(props.children)) {
		const [button, panel] = props.children;
		return (
			<>
				{cloneElement(button, triggerProps)}
				{state.isOpen && (
					<DModal state={state}>
						{cloneElement(panel, {
							...overlayProps,
							close: () => state.close(),
						})}
					</DModal>
				)}
			</>
		);
	}

	return (
		<DModal state={state}>
			{cloneElement(props.children, {
				...overlayProps,
				close: () => state.close(),
			})}
		</DModal>
	);
}

export interface DialogPanelProps extends AriaDialogProps {
	children: React.ReactNode;
	variant?: 'normal' | 'destructive' | 'unactionable';
	onSubmit?: React.FormEventHandler<HTMLFormElement>;
	method?: HTMLFormMethod;
	isDisabled?: boolean;

	// Anonymous (passed by parent)
	close?: () => void;
}

function Panel(props: DialogPanelProps) {
	const {
		children,
		onSubmit,
		isDisabled,
		close,
		variant,
		method = 'POST',
	} = props;
	const ref = useRef<HTMLFormElement | null>(null);
	const { dialogProps } = useDialog(
		{
			...props,
			role: 'alertdialog',
		},
		ref,
	);

	return (
		<Form
			{...dialogProps}
			onSubmit={(event) => {
				if (onSubmit) {
					onSubmit(event);
				}

				close?.();
			}}
			method={method ?? 'POST'}
			ref={ref}
			className={cn(
				'outline-none rounded-3xl w-full max-w-lg',
				'bg-white dark:bg-headplane-900',
			)}
		>
			<Card className="w-full max-w-lg" variant="flat">
				{children}
				<div className="mt-6 flex justify-end gap-4">
					{variant === 'unactionable' ? (
						<Button onPress={close}>Close</Button>
					) : (
						<>
							<Button onPress={close}>Cancel</Button>
							<Button
								type="submit"
								variant={variant === 'destructive' ? 'danger' : 'heavy'}
								isDisabled={isDisabled}
							>
								Confirm
							</Button>
						</>
					)}
				</div>
			</Card>
		</Form>
	);
}

interface DModalProps extends AriaModalOverlayProps {
	children: React.ReactNode;
	state: OverlayTriggerState;
}

function DModal(props: DModalProps) {
	const { children, state } = props;
	const ref = useRef<HTMLDivElement>(null);
	const { modalProps, underlayProps } = useModalOverlay(props, state, ref);

	if (!state.isOpen) {
		return null;
	}

	return (
		<Overlay>
			<div
				{...underlayProps}
				aria-hidden="true"
				className={cn(
					'fixed inset-0 h-screen w-screen z-20',
					'flex items-center justify-center',
					'bg-headplane-900/15 dark:bg-headplane-900/30',
					'entering:animate-in exiting:animate-out',
					'entering:fade-in entering:duration-100 entering:ease-out',
					'exiting:fade-out exiting:duration-50 exiting:ease-in',
				)}
			/>
			<div
				{...modalProps}
				className={cn(
					'fixed inset-0 h-screen w-screen z-20',
					'flex items-center justify-center',
				)}
			>
				{children}
			</div>
		</Overlay>
	);
}

export default Object.assign(Dialog, {
	Button,
	IconButton,
	Panel,
	Title,
	Text,
});