components/admin/user-growth-chart.tsx

"use client";

import {
  Area,
  AreaChart,
  CartesianGrid,
  ResponsiveContainer,
  Tooltip,
  XAxis,
  YAxis,
} from "recharts";
import { Card, CardContent, CardHeader, CardTitle, CardDescription } from "@/components/ui/card";

interface UserGrowthData {
  date: string;
  users: number;
}

interface UserGrowthChartProps {
  data: UserGrowthData[];
}

export function UserGrowthChart({ data }: UserGrowthChartProps) {
  return (
    <Card>
      <CardHeader>
        <CardTitle>User Growth</CardTitle>
        <CardDescription>Total users over the last 30 days</CardDescription>
      </CardHeader>
      <CardContent className="h-[300px]">
        <ResponsiveContainer width="100%" height="100%">
          <AreaChart
            data={data}
            margin={{ top: 10, right: 30, left: 0, bottom: 0 }}
          >
            <defs>
              <linearGradient id="colorUsers" x1="0" y1="0" x2="0" y2="1">
                <stop offset="5%" stopColor="#8884d8" stopOpacity={0.8} />
                <stop offset="95%" stopColor="#8884d8" stopOpacity={0} />
              </linearGradient>
            </defs>
            <XAxis
              dataKey="date"
              stroke="#888888"
              fontSize={12}
              tickLine={false}
              axisLine={false}
            />
            <YAxis
              stroke="#888888"
              fontSize={12}
              tickLine={false}
              axisLine={false}
              tickFormatter={(value) => `${value}`}
            />
            <CartesianGrid strokeDasharray="3 3" vertical={false} />
            <Tooltip
              contentStyle={{
                backgroundColor: "hsl(var(--background))",
                borderColor: "hsl(var(--border))",
                borderRadius: "var(--radius)",
              }}
            />
            <Area
              type="monotone"
              dataKey="users"
              stroke="#8884d8"
              fillOpacity={1}
              fill="url(#colorUsers)"
            />
          </AreaChart>
        </ResponsiveContainer>
      </CardContent>
    </Card>
  );
}