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knur-app/components/elevation-chart.tsx

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2026-06-18 09:43:25 +02:00
"use client";
import { useEffect, useState } from "react";
import { Area, AreaChart, CartesianGrid, ResponsiveContainer, Tooltip, XAxis, YAxis } from "recharts";
type Props = {
data: { distanceKm: number; altM: number }[];
};
export function ElevationChart({ data }: Props) {
const [mounted, setMounted] = useState(false);
useEffect(() => setMounted(true), []);
if (!mounted) {
return <div className="h-[140px] animate-pulse rounded-lg border border-muted/40 bg-surface" />;
}
const altitudes = data.map((p) => p.altM);
const minAlt = Math.min(...altitudes);
const maxAlt = Math.max(...altitudes);
const pad = Math.max(5, Math.round((maxAlt - minAlt) * 0.15));
return (
<div className="rounded-lg border border-muted/40 bg-surface p-4">
<div className="mb-2 text-sm text-fg/60">Profil wysokości</div>
<ResponsiveContainer width="100%" height={110}>
<AreaChart data={data} margin={{ top: 4, right: 8, left: 0, bottom: 0 }}>
<defs>
<linearGradient id="elevGradient" x1="0" y1="0" x2="0" y2="1">
<stop offset="5%" stopColor="var(--color-accent)" stopOpacity={0.25} />
<stop offset="95%" stopColor="var(--color-accent)" stopOpacity={0} />
</linearGradient>
</defs>
<CartesianGrid stroke="var(--color-muted)" opacity={0.3} vertical={false} />
<XAxis
dataKey="distanceKm"
stroke="var(--color-fg)"
opacity={0.5}
fontSize={11}
tickFormatter={(v) => `${Number(v).toFixed(1)} km`}
interval={Math.max(0, Math.floor(data.length / 5) - 1)}
/>
<YAxis
stroke="var(--color-fg)"
opacity={0.5}
fontSize={11}
width={44}
tickFormatter={(v) => `${Math.round(v)} m`}
domain={[minAlt - pad, maxAlt + pad]}
/>
<Tooltip
contentStyle={{
background: "var(--color-bg)",
border: "1px solid var(--color-muted)",
borderRadius: 8,
fontSize: 12,
color: "var(--color-fg)",
}}
formatter={(value) => [`${Math.round(Number(value))} m n.p.m.`, "Wysokość"]}
labelFormatter={(label) => `${Number(label).toFixed(2)} km`}
/>
<Area
type="monotone"
dataKey="altM"
stroke="var(--color-accent)"
strokeWidth={2}
fill="url(#elevGradient)"
dot={false}
/>
</AreaChart>
</ResponsiveContainer>
</div>
);
}