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

import { DataList, Flex, Grid, Text } from "@radix-ui/themes";
import type { Meta, StoryObj } from "@storybook/react";
import { type FC, useState } from "react";

import * as Spreadsheet from "./Spreadsheet.ts";

const ROWS = 9;
const COLUMNS = 9;

const CellPosition: FC<{ row: number; column: number }> = ({ row, column }) => {
	const col = String.fromCharCode("A".charCodeAt(0) + column);

	return col + (row + 1);
};

export default {
	component: Spreadsheet.Root,
	render() {
		const [selection, setSelection] = useState<Spreadsheet.Selection>(() => {
			return {
				cursor: null,
				expandingTo: null,
				committed: [],
				cells: [],
			};
		});

		return (
			<Flex direction="column" gap="3">
				<Spreadsheet.Root
					asChild
					selection={selection}
					rows={ROWS}
					columns={COLUMNS}
					onSelectionChange={setSelection}
				>
					<Grid columns="repeat(10, 2rem)">
						<Spreadsheet.Row asChild row={-1}>
							<div style={{ display: "contents" }}>
								<Spreadsheet.ColumnHeader />
								{Array.from({ length: COLUMNS }, (_, i) => {
									return (
										<Spreadsheet.ColumnHeader key={i} asChild>
											<Text align="center" color="gray" weight="bold">
												{String.fromCharCode("A".charCodeAt(0) + i)}
											</Text>
										</Spreadsheet.ColumnHeader>
									);
								})}
							</div>
						</Spreadsheet.Row>
						{Array.from({ length: ROWS }, (_, row) => {
							return (
								<Spreadsheet.Row key={row} row={row} asChild>
									<div style={{ display: "contents" }}>
										<Spreadsheet.RowHeader asChild>
											<Text align="center" color="gray" weight="bold">
												{row + 1}
											</Text>
										</Spreadsheet.RowHeader>
										{Array.from({ length: COLUMNS }, (_, column) => {
											return (
												<Spreadsheet.Cell key={column} column={column} asChild>
													<Text
														align="center"
														color={
															selection.cursor &&
															selection.cursor.row === row &&
															selection.cursor.column === column
																? "red"
																: selection.cells.some(
																			(value) =>
																				value.row === row && value.column === column,
																		)
																	? "pink"
																	: undefined
														}
													>
														<CellPosition row={row} column={column} />
													</Text>
												</Spreadsheet.Cell>
											);
										})}
									</div>
								</Spreadsheet.Row>
							);
						})}
					</Grid>
				</Spreadsheet.Root>
				<DataList.Root>
					<DataList.Item>
						<DataList.Label>Cursor</DataList.Label>
						<DataList.Value>
							{selection.cursor ? <CellPosition {...selection.cursor} /> : "---"}
						</DataList.Value>
					</DataList.Item>
					<DataList.Item>
						<DataList.Label>Expanding to</DataList.Label>
						<DataList.Value>
							{selection.expandingTo ? (
								<CellPosition {...selection.expandingTo} />
							) : (
								"---"
							)}
						</DataList.Value>
					</DataList.Item>
					<DataList.Item>
						<DataList.Label>Committed</DataList.Label>
						<DataList.Value>
							<Flex wrap="wrap" gap="2">
								{selection.committed.map((cell) => (
									<Text key={cell.row + "-" + cell.column}>
										<CellPosition {...cell} />
									</Text>
								))}
							</Flex>
						</DataList.Value>
					</DataList.Item>
					<DataList.Item>
						<DataList.Label>Final selected cells</DataList.Label>
						<DataList.Value>
							<Flex wrap="wrap" gap="2">
								{selection.cells.map((cell) => (
									<Text key={cell.row + "-" + cell.column}>
										<CellPosition {...cell} />
									</Text>
								))}
							</Flex>
						</DataList.Value>
					</DataList.Item>
				</DataList.Root>
			</Flex>
		);
	},
} satisfies Meta<(typeof Spreadsheet)["Root"]>;

type Story = StoryObj<(typeof Spreadsheet)["Root"]>;

export const Demo: Story = {};