418 lines
16 KiB
TypeScript
418 lines
16 KiB
TypeScript
"use client"
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import { useState, useMemo } from "react"
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import { Sidebar } from "@/components/dashboard/sidebar"
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import { useBankingData } from "@/lib/hooks"
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import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card"
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import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select"
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import { RefreshCw, TrendingUp, TrendingDown, ArrowRight } from "lucide-react"
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import { CategoryIcon } from "@/components/ui/category-icon"
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import {
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BarChart,
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Bar,
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XAxis,
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YAxis,
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CartesianGrid,
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Tooltip,
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ResponsiveContainer,
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PieChart,
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Pie,
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Cell,
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LineChart,
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Line,
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Legend,
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} from "recharts"
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import { cn } from "@/lib/utils"
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type Period = "3months" | "6months" | "12months" | "all"
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export default function StatisticsPage() {
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const { data, isLoading } = useBankingData()
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const [period, setPeriod] = useState<Period>("6months")
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const [selectedAccount, setSelectedAccount] = useState<string>("all")
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const stats = useMemo(() => {
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if (!data) return null
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const now = new Date()
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let startDate: Date
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switch (period) {
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case "3months":
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startDate = new Date(now.getFullYear(), now.getMonth() - 3, 1)
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break
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case "6months":
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startDate = new Date(now.getFullYear(), now.getMonth() - 6, 1)
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break
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case "12months":
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startDate = new Date(now.getFullYear(), now.getMonth() - 12, 1)
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break
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default:
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startDate = new Date(0)
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}
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let transactions = data.transactions.filter((t) => new Date(t.date) >= startDate)
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if (selectedAccount !== "all") {
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transactions = transactions.filter((t) => t.accountId === selectedAccount)
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}
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// Monthly breakdown
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const monthlyData = new Map<string, { income: number; expenses: number }>()
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transactions.forEach((t) => {
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const monthKey = t.date.substring(0, 7)
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const current = monthlyData.get(monthKey) || { income: 0, expenses: 0 }
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if (t.amount >= 0) {
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current.income += t.amount
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} else {
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current.expenses += Math.abs(t.amount)
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}
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monthlyData.set(monthKey, current)
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})
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const monthlyChartData = Array.from(monthlyData.entries())
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.sort((a, b) => a[0].localeCompare(b[0]))
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.map(([month, values]) => ({
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month: new Date(month + "-01").toLocaleDateString("fr-FR", { month: "short", year: "2-digit" }),
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revenus: Math.round(values.income),
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depenses: Math.round(values.expenses),
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solde: Math.round(values.income - values.expenses),
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}))
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// Category breakdown (expenses only)
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const categoryTotals = new Map<string, number>()
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transactions
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.filter((t) => t.amount < 0)
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.forEach((t) => {
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const catId = t.categoryId || "uncategorized"
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const current = categoryTotals.get(catId) || 0
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categoryTotals.set(catId, current + Math.abs(t.amount))
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})
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const categoryChartData = Array.from(categoryTotals.entries())
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.map(([categoryId, total]) => {
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const category = data.categories.find((c) => c.id === categoryId)
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return {
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name: category?.name || "Non catégorisé",
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value: Math.round(total),
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color: category?.color || "#94a3b8",
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}
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})
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.sort((a, b) => b.value - a.value)
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.slice(0, 8)
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// Top expenses
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const topExpenses = transactions
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.filter((t) => t.amount < 0)
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.sort((a, b) => a.amount - b.amount)
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.slice(0, 5)
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// Summary
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const totalIncome = transactions.filter((t) => t.amount >= 0).reduce((sum, t) => sum + t.amount, 0)
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const totalExpenses = transactions.filter((t) => t.amount < 0).reduce((sum, t) => sum + Math.abs(t.amount), 0)
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const avgMonthlyExpenses = monthlyData.size > 0 ? totalExpenses / monthlyData.size : 0
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// Balance evolution
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const sortedTransactions = [...transactions].sort((a, b) => new Date(a.date).getTime() - new Date(b.date).getTime())
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let runningBalance = 0
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const balanceByDate = new Map<string, number>()
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sortedTransactions.forEach((t) => {
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runningBalance += t.amount
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balanceByDate.set(t.date, runningBalance)
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})
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const balanceChartData = Array.from(balanceByDate.entries()).map(([date, balance]) => ({
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date: new Date(date).toLocaleDateString("fr-FR", { day: "2-digit", month: "short" }),
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solde: Math.round(balance),
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}))
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return {
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monthlyChartData,
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categoryChartData,
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topExpenses,
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totalIncome,
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totalExpenses,
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avgMonthlyExpenses,
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balanceChartData,
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transactionCount: transactions.length,
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}
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}, [data, period, selectedAccount])
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if (isLoading || !data || !stats) {
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return (
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<div className="flex h-screen">
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<Sidebar />
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<main className="flex-1 flex items-center justify-center">
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<RefreshCw className="w-8 h-8 animate-spin text-muted-foreground" />
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</main>
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</div>
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)
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}
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const formatCurrency = (amount: number) => {
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return new Intl.NumberFormat("fr-FR", {
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style: "currency",
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currency: "EUR",
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}).format(amount)
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}
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return (
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<div className="flex h-screen bg-background">
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<Sidebar />
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<main className="flex-1 overflow-auto">
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<div className="p-6 space-y-6">
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<div className="flex items-center justify-between">
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<div>
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<h1 className="text-2xl font-bold text-foreground">Statistiques</h1>
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<p className="text-muted-foreground">Analysez vos dépenses et revenus</p>
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</div>
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<div className="flex gap-2">
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<Select value={selectedAccount} onValueChange={setSelectedAccount}>
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<SelectTrigger className="w-[180px]">
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<SelectValue placeholder="Compte" />
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</SelectTrigger>
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<SelectContent>
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<SelectItem value="all">Tous les comptes</SelectItem>
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{data.accounts.map((account) => (
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<SelectItem key={account.id} value={account.id}>
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{account.name}
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</SelectItem>
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))}
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</SelectContent>
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</Select>
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<Select value={period} onValueChange={(v) => setPeriod(v as Period)}>
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<SelectTrigger className="w-[150px]">
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<SelectValue placeholder="Période" />
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</SelectTrigger>
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<SelectContent>
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<SelectItem value="3months">3 mois</SelectItem>
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<SelectItem value="6months">6 mois</SelectItem>
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<SelectItem value="12months">12 mois</SelectItem>
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<SelectItem value="all">Tout</SelectItem>
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</SelectContent>
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</Select>
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</div>
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</div>
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{/* Summary Cards */}
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<div className="grid gap-4 md:grid-cols-4">
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<Card>
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<CardHeader className="pb-2">
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<CardTitle className="text-sm font-medium text-muted-foreground flex items-center gap-2">
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<TrendingUp className="w-4 h-4 text-emerald-600" />
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Total Revenus
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</CardTitle>
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</CardHeader>
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<CardContent>
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<div className="text-2xl font-bold text-emerald-600">{formatCurrency(stats.totalIncome)}</div>
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</CardContent>
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</Card>
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<Card>
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<CardHeader className="pb-2">
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<CardTitle className="text-sm font-medium text-muted-foreground flex items-center gap-2">
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<TrendingDown className="w-4 h-4 text-red-600" />
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Total Dépenses
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</CardTitle>
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</CardHeader>
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<CardContent>
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<div className="text-2xl font-bold text-red-600">{formatCurrency(stats.totalExpenses)}</div>
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</CardContent>
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</Card>
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<Card>
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<CardHeader className="pb-2">
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<CardTitle className="text-sm font-medium text-muted-foreground flex items-center gap-2">
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<ArrowRight className="w-4 h-4" />
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Moyenne mensuelle
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</CardTitle>
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</CardHeader>
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<CardContent>
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<div className="text-2xl font-bold">{formatCurrency(stats.avgMonthlyExpenses)}</div>
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</CardContent>
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</Card>
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<Card>
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<CardHeader className="pb-2">
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<CardTitle className="text-sm font-medium text-muted-foreground">Économies</CardTitle>
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</CardHeader>
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<CardContent>
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<div
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className={cn(
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"text-2xl font-bold",
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stats.totalIncome - stats.totalExpenses >= 0 ? "text-emerald-600" : "text-red-600",
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)}
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>
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{formatCurrency(stats.totalIncome - stats.totalExpenses)}
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</div>
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</CardContent>
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</Card>
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</div>
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{/* Charts */}
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<div className="grid gap-6 lg:grid-cols-2">
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{/* Monthly Income vs Expenses */}
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<Card>
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<CardHeader>
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<CardTitle>Revenus vs Dépenses par mois</CardTitle>
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</CardHeader>
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<CardContent>
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{stats.monthlyChartData.length > 0 ? (
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<div className="h-[300px]">
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<ResponsiveContainer width="100%" height="100%">
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<BarChart data={stats.monthlyChartData}>
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<CartesianGrid strokeDasharray="3 3" className="stroke-muted" />
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<XAxis dataKey="month" className="text-xs" />
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<YAxis className="text-xs" tickFormatter={(v) => `${v}€`} />
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<Tooltip
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formatter={(value: number) => formatCurrency(value)}
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contentStyle={{
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backgroundColor: "hsl(var(--card))",
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border: "1px solid hsl(var(--border))",
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borderRadius: "8px",
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}}
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/>
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<Legend />
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<Bar dataKey="revenus" fill="#22c55e" radius={[4, 4, 0, 0]} />
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<Bar dataKey="depenses" fill="#ef4444" radius={[4, 4, 0, 0]} />
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</BarChart>
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</ResponsiveContainer>
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</div>
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) : (
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<div className="h-[300px] flex items-center justify-center text-muted-foreground">
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Pas de données pour cette période
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</div>
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)}
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</CardContent>
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</Card>
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{/* Category Breakdown */}
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<Card>
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<CardHeader>
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<CardTitle>Répartition par catégorie</CardTitle>
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</CardHeader>
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<CardContent>
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{stats.categoryChartData.length > 0 ? (
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<div className="h-[300px]">
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<ResponsiveContainer width="100%" height="100%">
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<PieChart>
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<Pie
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data={stats.categoryChartData}
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cx="50%"
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cy="50%"
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innerRadius={60}
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outerRadius={100}
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paddingAngle={2}
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dataKey="value"
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>
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{stats.categoryChartData.map((entry, index) => (
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<Cell key={`cell-${index}`} fill={entry.color} />
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))}
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</Pie>
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<Tooltip
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formatter={(value: number) => formatCurrency(value)}
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contentStyle={{
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backgroundColor: "hsl(var(--card))",
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border: "1px solid hsl(var(--border))",
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borderRadius: "8px",
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}}
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/>
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<Legend formatter={(value) => <span className="text-sm text-foreground">{value}</span>} />
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</PieChart>
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</ResponsiveContainer>
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</div>
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) : (
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<div className="h-[300px] flex items-center justify-center text-muted-foreground">
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Pas de données pour cette période
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</div>
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)}
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</CardContent>
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</Card>
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{/* Balance Evolution */}
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<Card>
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<CardHeader>
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<CardTitle>Évolution du solde</CardTitle>
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</CardHeader>
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<CardContent>
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{stats.balanceChartData.length > 0 ? (
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<div className="h-[300px]">
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<ResponsiveContainer width="100%" height="100%">
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<LineChart data={stats.balanceChartData}>
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<CartesianGrid strokeDasharray="3 3" className="stroke-muted" />
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<XAxis dataKey="date" className="text-xs" interval="preserveStartEnd" />
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<YAxis className="text-xs" tickFormatter={(v) => `${v}€`} />
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<Tooltip
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formatter={(value: number) => formatCurrency(value)}
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contentStyle={{
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backgroundColor: "hsl(var(--card))",
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border: "1px solid hsl(var(--border))",
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borderRadius: "8px",
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}}
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/>
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<Line type="monotone" dataKey="solde" stroke="#6366f1" strokeWidth={2} dot={false} />
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</LineChart>
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</ResponsiveContainer>
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</div>
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) : (
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<div className="h-[300px] flex items-center justify-center text-muted-foreground">
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Pas de données pour cette période
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</div>
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)}
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</CardContent>
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</Card>
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{/* Top Expenses */}
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<Card>
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<CardHeader>
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<CardTitle>Top 5 dépenses</CardTitle>
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</CardHeader>
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<CardContent>
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{stats.topExpenses.length > 0 ? (
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<div className="space-y-4">
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{stats.topExpenses.map((expense, index) => {
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const category = data.categories.find((c) => c.id === expense.categoryId)
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return (
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<div key={expense.id} className="flex items-center gap-3">
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<div className="w-8 h-8 rounded-full bg-muted flex items-center justify-center text-sm font-semibold">
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{index + 1}
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</div>
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<div className="flex-1 min-w-0">
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<p className="font-medium text-sm truncate">{expense.description}</p>
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<div className="flex items-center gap-2">
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<span className="text-xs text-muted-foreground">
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{new Date(expense.date).toLocaleDateString("fr-FR")}
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</span>
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{category && (
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<span
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className="text-xs px-1.5 py-0.5 rounded inline-flex items-center gap-1"
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style={{ backgroundColor: `${category.color}20`, color: category.color }}
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>
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<CategoryIcon icon={category.icon} color={category.color} size={10} />
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{category.name}
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</span>
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)}
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</div>
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</div>
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<div className="text-red-600 font-semibold tabular-nums">
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{formatCurrency(expense.amount)}
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</div>
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</div>
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)
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})}
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</div>
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) : (
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<div className="h-[200px] flex items-center justify-center text-muted-foreground">
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Pas de dépenses pour cette période
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</div>
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)}
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</CardContent>
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</Card>
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</div>
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</div>
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</main>
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</div>
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)
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}
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