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// SPDX-FileCopyrightText: 2024 Shota FUJI <pockawoooh@gmail.com>
// SPDX-License-Identifier: AGPL-3.0-only

import { CopyIcon } from "@radix-ui/react-icons";
import { Box, type BoxProps, IconButton, Text, Tooltip } from "@radix-ui/themes";
import { type FC, useMemo, useRef, useState } from "react";

import css from "./CopyableText.module.css";

export interface CopyableTextProps extends Omit<BoxProps, "children"> {
	children: string;

	mono?: boolean;
}

export const CopyableText: FC<CopyableTextProps> = ({
	children,
	mono = false,
	...rest
}) => {
	const ref = useRef<HTMLTextAreaElement>(null);

	// TODO: 結果をユーザに通知する
	const [_clipboardWriteResult, setClipboardWriteResult] = useState<
		{ ok: false; error: unknown } | { ok: true } | null
	>();

	const rows = useMemo(() => {
		const lines = children.split("\n");

		return Math.min(10, Math.max(3, lines.length));
	}, [children]);

	return (
		<Box position="relative" {...rest}>
			<Box asChild p="2">
				<Text asChild size="2">
					<textarea
						ref={ref}
						className={css.textarea}
						value={children}
						readOnly
						rows={rows}
						style={{
							fontFamily: mono ? "var(--code-font-family)" : "var(--default-font-family)",
						}}
					/>
				</Text>
			</Box>
			<Tooltip content="クリップボードにコピー">
				<Box asChild position="absolute" bottom="2" right="2">
					<IconButton
						size="1"
						variant="surface"
						color="gray"
						onClick={async (event) => {
							event.preventDefault();
							event.stopPropagation();

							try {
								await navigator.clipboard.writeText(children);

								setClipboardWriteResult({ ok: true });
							} catch (error) {
								setClipboardWriteResult({ ok: false, error });
							}
						}}
					>
						<CopyIcon />
					</IconButton>
				</Box>
			</Tooltip>
		</Box>
	);
};