Bar Chart Active

import { type ChartPoint, barY, defineChart } from "@tanstack/charts";
import { motion } from "@tanstack/charts/motion";
import { tooltip } from "@tanstack/charts/tooltip";
import { Chart } from "@tanstack/react-charts/core";
import { useMemo } from "react";

import { scaleBand, scaleLinear } from "d3-scale";
import { TrendingUp } from "lucide-react";

import { Card, CardContent, CardDescription, CardFooter, CardHeader, CardTitle } from "@/components/ui/card";

interface BrowserDatum {
    browser: string;
    visitors: number;
    fill?: string;
}

const browserData: BrowserDatum[] = [
    { browser: "chrome", visitors: 187, fill: "var(--chart-1)" },
    { browser: "safari", visitors: 200, fill: "var(--chart-2)" },
    { browser: "firefox", visitors: 275, fill: "var(--chart-3)" },
    { browser: "edge", visitors: 173, fill: "var(--chart-4)" },
    { browser: "other", visitors: 90, fill: "var(--chart-5)" },
];

const browserNames = browserData.map((b) => b.browser);
const chartColors = ["var(--chart-1)", "var(--chart-2)", "var(--chart-3)", "var(--chart-4)", "var(--chart-5)"];

const motionRenderer = motion({
    initial: "always",
    transition: { type: "spring", stiffness: 170, damping: 18, mass: 1 },
});

function titleCase(value: string) {
    return value.charAt(0).toUpperCase() + value.slice(1);
}

function shadcnTooltipContent<TDatum>(points: readonly ChartPoint<TDatum>[]) {
    return {
        title: titleCase(String(points[0]?.xValue ?? "")),
        rows: points.map((point) => ({
            label: "Visitors",
            value: Number(point.yValue ?? point.xValue ?? 0).toLocaleString("en-US"),
            color: point.color,
        })),
    };
}

export function BarChartActive() {
    const data = useMemo(() => browserData, []);

    const definition = useMemo(
        () =>
            defineChart(
                {
                    renderer: motionRenderer,
                    motion: {
                        transition: { type: "spring", stiffness: 170, damping: 18, mass: 1 },
                    },
                    marks: [
                        barY(data, {
                            id: "visitor-bars",
                            x: "browser",
                            y: "visitors",
                            color: "browser",
                            fill: (row) =>
                                row.browser === "firefox"
                                    ? `color-mix(in srgb, var(--chart-3) 80%, transparent)`
                                    : chartColors[browserNames.indexOf(row.browser)]!,
                            stroke: (row) => (row.browser === "firefox" ? "var(--chart-3)" : "none"),
                            strokeWidth: 2,
                            strokeDasharray: (row) => (row.browser === "firefox" ? "4 4" : "none"),
                            radius: 8,
                        }),
                    ],
                    scales: {
                        x: {
                            scale: () => scaleBand<string>().paddingInner(0.2).paddingOuter(0.1),
                            axis: {
                                line: false,
                                ticks: {
                                    size: 0,
                                    padding: 10,
                                    format: titleCase,
                                },
                            },
                        },
                        y: { scale: scaleLinear, grid: true, axis: false },
                    },
                    color: { domain: browserNames, range: chartColors },
                    margin: { top: 10, right: 10, bottom: 30, left: 10 },
                    theme: {
                        foreground: "var(--muted-foreground)",
                        grid: "var(--border)",
                        background: "transparent",
                    },
                },
                {
                    focus: "group-x",
                    tooltip: {
                        use: tooltip,
                        motion: { type: "spring", stiffness: 170, damping: 18 },
                        className:
                            "font-sans shadow-none rounded-md bg-popover text-popover-foreground border p-2 text-xs",
                        anchor: "group-center",
                        placement: "auto",
                        sort: "color-domain",
                        content: (points) => shadcnTooltipContent(points),
                    },
                },
            ),
        [data],
    );

    return (
        <Card className="w-full max-w-xl">
            <CardHeader>
                <CardTitle>Active SaaS Subscriptions</CardTitle>
                <CardDescription>Monthly active account upgrades and renewal growth</CardDescription>
            </CardHeader>
            <CardContent>
                <div className="h-[250px] w-full">
                    <Chart
                        definition={definition}
                        renderer={motionRenderer}
                        height={250}
                        ariaLabel="Active SaaS Subscriptions Chart"
                    />
                </div>
            </CardContent>
            <CardFooter className="flex-col items-start gap-2 text-sm">
                <div className="flex items-center gap-2 leading-none font-medium">
                    Active subscriptions increased by 5.2% this month{" "}
                    <TrendingUp className="h-4 w-4 text-emerald-500" />
                </div>
                <div className="text-muted-foreground leading-none">Showing total visitors for the last 6 months</div>
            </CardFooter>
        </Card>
    );
}

export default BarChartActive;