Files
fintrack/components/dashboard/category-breakdown.tsx

112 lines
3.0 KiB
TypeScript

"use client";
import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
import type { BankingData } from "@/lib/types";
import {
PieChart,
Pie,
Cell,
ResponsiveContainer,
Legend,
Tooltip,
} from "recharts";
interface CategoryBreakdownProps {
data: BankingData;
}
export function CategoryBreakdown({ data }: CategoryBreakdownProps) {
// Get current month expenses by category
const thisMonth = new Date();
thisMonth.setDate(1);
const thisMonthStr = thisMonth.toISOString().slice(0, 7);
const monthExpenses = data.transactions.filter(
(t) => t.date.startsWith(thisMonthStr) && t.amount < 0,
);
const categoryTotals = new Map<string, number>();
monthExpenses.forEach((t) => {
const catId = t.categoryId || "uncategorized";
const current = categoryTotals.get(catId) || 0;
categoryTotals.set(catId, current + Math.abs(t.amount));
});
const chartData = Array.from(categoryTotals.entries())
.map(([categoryId, total]) => {
const category = data.categories.find((c) => c.id === categoryId);
return {
name: category?.name || "Non catégorisé",
value: total,
color: category?.color || "#94a3b8",
};
})
.sort((a, b) => b.value - a.value)
.slice(0, 6);
const formatCurrency = (value: number) => {
return new Intl.NumberFormat("fr-FR", {
style: "currency",
currency: "EUR",
}).format(value);
};
if (chartData.length === 0) {
return (
<Card>
<CardHeader>
<CardTitle>Dépenses par catégorie</CardTitle>
</CardHeader>
<CardContent>
<div className="flex flex-col items-center justify-center py-8 text-center">
<p className="text-muted-foreground">Pas de données ce mois-ci</p>
</div>
</CardContent>
</Card>
);
}
return (
<Card>
<CardHeader>
<CardTitle>Dépenses par catégorie</CardTitle>
</CardHeader>
<CardContent>
<div className="h-[250px]">
<ResponsiveContainer width="100%" height="100%">
<PieChart>
<Pie
data={chartData}
cx="50%"
cy="50%"
innerRadius={50}
outerRadius={80}
paddingAngle={2}
dataKey="value"
>
{chartData.map((entry, index) => (
<Cell key={`cell-${index}`} fill={entry.color} />
))}
</Pie>
<Tooltip
formatter={(value: number) => formatCurrency(value)}
contentStyle={{
backgroundColor: "hsl(var(--card))",
border: "1px solid hsl(var(--border))",
borderRadius: "8px",
}}
/>
<Legend
formatter={(value) => (
<span className="text-sm text-foreground">{value}</span>
)}
/>
</PieChart>
</ResponsiveContainer>
</div>
</CardContent>
</Card>
);
}