95 lines
3.4 KiB
TypeScript
95 lines
3.4 KiB
TypeScript
"use client"
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interface BandwidthChartProps {
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rx: number[]
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tx: number[]
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}
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export function BandwidthChart({ rx, tx }: BandwidthChartProps) {
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const W = 600, H = 200
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const pad = { l: 44, r: 12, t: 12, b: 28 }
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const iw = W - pad.l - pad.r
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const ih = H - pad.t - pad.b
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const maxVal = Math.max(...rx, ...tx) * 1.15
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const xAt = (i: number, n: number) => pad.l + (i / (n - 1)) * iw
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const yAt = (v: number) => pad.t + (1 - v / maxVal) * ih
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const areaPath = (arr: number[]) => {
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const top = arr.map((v, i) => `${xAt(i, arr.length).toFixed(1)},${yAt(v).toFixed(1)}`).join(" L ")
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return `M ${pad.l},${pad.t + ih} L ${top} L ${pad.l + iw},${pad.t + ih} Z`
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}
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const linePath = (arr: number[]) =>
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arr.map((v, i) => `${xAt(i, arr.length).toFixed(1)},${yAt(v).toFixed(1)}`).join(" ")
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return (
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<div>
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<svg viewBox={`0 0 ${W} ${H}`} style={{ width: "100%", height: 200, display: "block" }}>
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<defs>
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<linearGradient id="rx-grad" x1="0" y1="0" x2="0" y2="1">
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<stop offset="0%" style={{ stopColor: "var(--chart-rx)", stopOpacity: 0.25 }} />
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<stop offset="100%" style={{ stopColor: "var(--chart-rx)", stopOpacity: 0 }} />
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</linearGradient>
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<linearGradient id="tx-grad" x1="0" y1="0" x2="0" y2="1">
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<stop offset="0%" style={{ stopColor: "var(--chart-tx)", stopOpacity: 0.20 }} />
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<stop offset="100%" style={{ stopColor: "var(--chart-tx)", stopOpacity: 0 }} />
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</linearGradient>
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</defs>
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{[0, 0.25, 0.5, 0.75, 1].map((p, i) => (
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<g key={i}>
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<line
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x1={pad.l} x2={W - pad.r}
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y1={pad.t + ih * p} y2={pad.t + ih * p}
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style={{ stroke: "var(--border)" }}
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strokeDasharray={p === 1 ? "0" : "2 4"}
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/>
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<text
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x={pad.l - 8} y={pad.t + ih * p + 4}
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textAnchor="end" fontSize="10"
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style={{ fill: "var(--muted-foreground)" }}
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fontFamily="var(--font-mono, monospace)"
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>
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{Math.round(maxVal * (1 - p))}
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</text>
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</g>
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))}
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<path d={areaPath(rx)} fill="url(#rx-grad)" />
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<polyline points={linePath(rx)} fill="none"
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style={{ stroke: "var(--chart-rx)" }}
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strokeWidth="1.6" strokeLinejoin="round" />
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<path d={areaPath(tx)} fill="url(#tx-grad)" />
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<polyline points={linePath(tx)} fill="none"
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style={{ stroke: "var(--chart-tx)" }}
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strokeWidth="1.6" strokeLinejoin="round" />
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{[0, 15, 30, 45, 59].map((i) => (
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<text
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key={i} x={xAt(i, 60)} y={H - 6}
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textAnchor="middle" fontSize="10"
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style={{ fill: "var(--muted-foreground)" }}
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fontFamily="var(--font-mono, monospace)"
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>
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-{60 - i}м
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</text>
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))}
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</svg>
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{/* Legend */}
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<div className="flex gap-4 pt-2 pl-11">
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{[
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{ key: "rx", label: "RX ↓", color: "var(--chart-rx)" },
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{ key: "tx", label: "TX ↑", color: "var(--chart-tx)" },
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].map(({ key, label, color }) => (
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<div key={key} className="flex items-center gap-1.5 text-xs">
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<span className="w-3 h-0.5 rounded" style={{ background: color }} />
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<span className="font-mono text-foreground">{label}</span>
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</div>
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))}
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</div>
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</div>
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)
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}
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