Files
MikrotikManager/components/dashboard/latency-chart.tsx
T
2026-05-03 11:16:07 +07:00

130 lines
3.8 KiB
TypeScript

"use client"
const PALETTE = [
"var(--chart-line-1)",
"var(--chart-line-2)",
"var(--chart-line-3)",
"var(--chart-line-4)",
"var(--chart-1)",
"var(--chart-2)",
"var(--chart-3)",
"var(--chart-4)",
]
/** Легенда для демо-данных (ключи `msk`, `spb`, …). */
const LEGACY_LABELS: Record<string, string> = {
msk: "MSK",
spb: "SPB",
fra: "FRA",
ams: "AMS",
}
interface LatencyChartProps {
series: Record<string, number[]>
/** Подписи линий (ключ → короткое имя). Если нет — берётся legacy или сам ключ. */
labels?: Record<string, string>
}
export function LatencyChart({ series, labels: labelsProp }: LatencyChartProps) {
const W = 800
const H = 220
const pad = { l: 44, r: 12, t: 12, b: 28 }
const iw = W - pad.l - pad.r
const ih = H - pad.t - pad.b
const entries = Object.entries(series).filter(([, arr]) => arr.length > 0)
const pointCount = entries.length ? Math.max(...entries.map(([, a]) => a.length), 2) : 60
const allVals = entries.flatMap(([, arr]) => arr)
const maxVal = Math.ceil(Math.max(1, ...allVals) / 20) * 20 + 10
const xAt = (i: number, n: number) => pad.l + (i / Math.max(n - 1, 1)) * iw
const yAt = (v: number) => pad.t + (1 - v / maxVal) * ih
const gridLines = [0, 0.25, 0.5, 0.75, 1]
const tickIndices = [
0,
Math.floor((pointCount - 1) * 0.25),
Math.floor((pointCount - 1) * 0.5),
Math.floor((pointCount - 1) * 0.75),
pointCount - 1,
]
const labelForIndex = (i: number) => {
const spanMin = 60
const m = Math.round(spanMin * (1 - i / Math.max(pointCount - 1, 1)))
return `-${m}м`
}
return (
<div>
<svg viewBox={`0 0 ${W} ${H}`} style={{ width: "100%", height: 220, display: "block" }}>
{gridLines.map((p, i) => (
<g key={i}>
<line
x1={pad.l}
x2={W - pad.r}
y1={pad.t + ih * p}
y2={pad.t + ih * p}
style={{ stroke: "var(--border)" }}
strokeDasharray={p === 1 ? "0" : "2 4"}
/>
<text
x={pad.l - 8}
y={pad.t + ih * p + 4}
textAnchor="end"
fontSize="10"
style={{ fill: "var(--muted-foreground)" }}
fontFamily="var(--font-mono, monospace)"
>
{Math.round(maxVal * (1 - p))}мс
</text>
</g>
))}
{tickIndices.map((i) => (
<text
key={i}
x={xAt(i, pointCount)}
y={H - 6}
textAnchor="middle"
fontSize="10"
style={{ fill: "var(--muted-foreground)" }}
fontFamily="var(--font-mono, monospace)"
>
{labelForIndex(i)}
</text>
))}
{entries.map(([key, arr], idx) => {
const n = arr.length
const pts = arr.map((v, i) => `${xAt(i, n).toFixed(1)},${yAt(v).toFixed(1)}`).join(" ")
const color = PALETTE[idx % PALETTE.length]
return (
<polyline
key={key}
points={pts}
fill="none"
style={{ stroke: color }}
strokeWidth="1.6"
strokeLinejoin="round"
/>
)
})}
</svg>
<div className="flex flex-wrap gap-x-4 gap-y-2 pt-2 pl-11">
{entries.map(([key], idx) => {
const color = PALETTE[idx % PALETTE.length]
const leg =
labelsProp?.[key] ?? LEGACY_LABELS[key] ?? key.replace(/^src-/, "")
return (
<div key={key} className="flex items-center gap-1.5 text-xs">
<span className="w-3 h-0.5 rounded" style={{ background: color }} />
<span className="font-mono text-foreground">{leg}</span>
</div>
)
})}
</div>
</div>
)
}