radial-chart-05

"use client"

import {
  Label,
  PolarAngleAxis,
  PolarRadiusAxis,
  RadialBar,
  RadialBarChart,
} from "recharts"

import {
  Card,
  CardContent,
  CardDescription,
  CardFooter,
  CardHeader,
  CardTitle,
} from "@/components/ui/card"
import { ChartContainer, type ChartConfig } from "@/components/ui/chart"

const COPY = {
  title: "Project budget",
  description: "Allocation by team",
  unit: "total",
} as const

// Amounts in USD. Each series occupies its share of one complete ring.
const ALLOCATIONS = [
  { key: "design", label: "Design", amount: 42000, color: "var(--chart-2)" },
  {
    key: "engineering",
    label: "Engineering",
    amount: 38000,
    color: "var(--chart-3)",
  },
  {
    key: "research",
    label: "Research",
    amount: 20000,
    color: "var(--primary)",
  },
] as const

const TOTAL = ALLOCATIONS.reduce((sum, item) => sum + item.amount, 0)
const DATA = [
  Object.fromEntries(ALLOCATIONS.map((item) => [item.key, item.amount])),
]
const TOTAL_LABEL = new Intl.NumberFormat("en-US", {
  style: "currency",
  currency: "USD",
  notation: "compact",
  maximumFractionDigits: 0,
}).format(TOTAL)

const CHART_CONFIG = Object.fromEntries(
  ALLOCATIONS.map((item) => [
    item.key,
    { label: item.label, color: item.color },
  ])
) satisfies ChartConfig

/** A segmented budget ring with a center total and a full text breakdown. */
export default function RadialChart05() {
  return (
    <Card className="mx-auto w-full max-w-sm">
      <CardHeader>
        <CardTitle>
          <h2>{COPY.title}</h2>
        </CardTitle>
        <CardDescription>{COPY.description}</CardDescription>
      </CardHeader>
      <CardContent>
        <ChartContainer
          config={CHART_CONFIG}
          role="img"
          aria-label={`Project budget: ${TOTAL.toLocaleString("en-US")} dollars. ${ALLOCATIONS.map((item) => `${item.label}: ${item.amount.toLocaleString("en-US")} dollars`).join(". ")}.`}
          className="mx-auto aspect-square w-full max-w-64"
        >
          <RadialBarChart
            accessibilityLayer={false}
            data={DATA}
            startAngle={90}
            endAngle={-270}
            innerRadius="70%"
            outerRadius="100%"
          >
            <PolarAngleAxis type="number" domain={[0, TOTAL]} tick={false} />
            {ALLOCATIONS.map((item) => (
              <RadialBar
                key={item.key}
                dataKey={item.key}
                stackId="budget"
                fill={`var(--color-${item.key})`}
                stroke="var(--card)"
                strokeWidth={3}
              />
            ))}
            <PolarRadiusAxis tick={false} tickLine={false} axisLine={false}>
              <Label
                content={({ viewBox }) => {
                  if (!viewBox || !("cx" in viewBox)) return null
                  return (
                    <text
                      x={viewBox.cx}
                      y={viewBox.cy}
                      textAnchor="middle"
                      dominantBaseline="middle"
                    >
                      <tspan
                        x={viewBox.cx}
                        y={viewBox.cy}
                        fontSize={30}
                        className="fill-foreground font-medium tabular-nums"
                      >
                        {TOTAL_LABEL}
                      </tspan>
                      <tspan
                        x={viewBox.cx}
                        y={(viewBox.cy ?? 0) + 24}
                        fontSize={12}
                        className="fill-muted-foreground"
                      >
                        {COPY.unit}
                      </tspan>
                    </text>
                  )
                }}
              />
            </PolarRadiusAxis>
          </RadialBarChart>
        </ChartContainer>
      </CardContent>
      <CardFooter>
        <ul role="list" className="grid w-full gap-3 text-sm">
          {ALLOCATIONS.map((item) => (
            <li
              key={item.key}
              className="grid grid-cols-[auto_minmax(0,1fr)] items-center gap-x-2 gap-y-1 min-[18rem]:grid-cols-[auto_minmax(0,1fr)_auto]"
            >
              <span
                aria-hidden="true"
                className="size-2.5 shrink-0 rounded-[2px]"
                style={{ backgroundColor: item.color }}
              />
              <span className="min-w-0 wrap-anywhere">{item.label}</span>
              <span className="col-start-2 font-medium tabular-nums min-[18rem]:col-start-auto">
                {item.amount.toLocaleString("en-US", {
                  style: "currency",
                  currency: "USD",
                  maximumFractionDigits: 0,
                })}
              </span>
            </li>
          ))}
        </ul>
      </CardFooter>
    </Card>
  )
}