'use client';

import { Area, AreaChart, ResponsiveContainer, Tooltip, XAxis, YAxis } from 'recharts';
import type { StockPriceRow } from '@/types/stock';
import { changeDirection, formatNumber } from '@/lib/utils/stock';

// recharts(d3 포함) 실제 렌더 본체 — StockPriceChart 가 next/dynamic({ssr:false})로 지연 로드.
// 색은 래퍼 dir 클래스(.stock-chart--up/down/flat)의 CSS color 를 currentColor 로 상속
// (recharts stroke/fill 은 SVG presentation attribute 라 var() 미해석 → currentColor 사용).
type Props = {
	// GetDetail.recentPrices — 최신순(newest-first). 호출부에서 length>=2 보장.
	prices: StockPriceRow[];
	name: string;
};

export default function PriceChartInner({ prices, name }: Props)
{
	// 과거→최신 순서로 뒤집어 종가 시계열 구성
	const series = [...prices].reverse().map(p => ({ date: p.tradingDate, close: p.close }));
	const dir = changeDirection(series[series.length - 1].close - series[0].close);

	return (
		<figure className={`stock-chart stock-chart--${dir}`}>
			<figcaption className='stock-chart__caption'>최근 {series.length}일 종가 추이</figcaption>
			<div className='stock-chart__canvas' aria-label={`${name} 최근 ${series.length}일 종가 추이 그래프`} role='img'>
				<ResponsiveContainer width='100%' height='100%'>
					<AreaChart data={series} margin={{ top: 8, right: 8, bottom: 0, left: 0 }}>
						<XAxis dataKey='date' hide />
						<YAxis hide domain={['dataMin', 'dataMax']} />
						<Tooltip
							cursor={{ stroke: 'currentColor', strokeOpacity: 0.3 }}
							contentStyle={{
								background: 'var(--bg-elevated)',
								border: '1px solid var(--border-default)',
								borderRadius: 0,
								fontSize: 'var(--fs-xs)',
								color: 'var(--text-primary)'
							}}
							labelStyle={{ color: 'var(--text-muted)' }}
							formatter={(value) => {
								const n = Array.isArray(value) ? Number(value[0]) : Number(value);
								return [formatNumber(Number.isFinite(n) ? n : null), '종가'];
							}}
							labelFormatter={(label) => String(label)}
						/>
						<Area
							type='monotone'
							dataKey='close'
							stroke='currentColor'
							strokeWidth={2}
							fill='currentColor'
							fillOpacity={0.1}
							dot={false}
							isAnimationActive={false}
						/>
					</AreaChart>
				</ResponsiveContainer>
			</div>
		</figure>
	);
}