init

components/elevation-chart.tsx

@@ -0,0 +1,74 @@
+"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>
+  );
+}