Refactor: Split Analytics page

Splits the Analytics page into smaller, more manageable components to improve code organization and maintainability.

src/components/analytics/CategorySpendingList.tsx

@@ -0,0 +1,62 @@
+
+import React from 'react';
+import { formatCurrency } from '@/utils/formatters';
+
+interface CategorySpending {
+  title: string;
+  current: number;
+  total: number;
+}
+
+interface CategorySpendingListProps {
+  categories: CategorySpending[];
+  totalExpense: number;
+}
+
+const CategorySpendingList: React.FC<CategorySpendingListProps> = ({
+  categories,
+  totalExpense
+}) => {
+  // 카테고리별 색상 매핑
+  const getCategoryColor = (title: string) => {
+    switch (title) {
+      case '식비': return '#81c784';
+      case '생활비': return '#AED581';
+      case '교통비': return '#2E7D32';
+      default: return '#4CAF50';
+    }
+  };
+
+  return (
+    <div className="neuro-card mb-6">
+      {categories.some(cat => cat.current > 0) ? (
+        <div className="space-y-4">
+          {categories.map((category) => (
+            <div key={category.title} className="flex items-center justify-between">
+              <div className="flex items-center gap-3">
+                <div className="w-6 h-6 rounded-full" style={{
+                  backgroundColor: getCategoryColor(category.title)
+                }}></div>
+                <span>{category.title}</span>
+              </div>
+              <div className="text-right">
+                <p className="font-medium">
+                  {formatCurrency(category.current)}
+                </p>
+                <p className="text-xs text-gray-500">
+                  {totalExpense > 0 ? Math.round(category.current / totalExpense * 100) : 0}%
+                </p>
+              </div>
+            </div>
+          ))}
+        </div>
+      ) : (
+        <div className="py-8 text-center text-gray-400">
+          <p>아직 지출 내역이 없습니다</p>
+        </div>
+      )}
+    </div>
+  );
+};
+
+export default CategorySpendingList;

src/components/analytics/MonthlyComparisonChart.tsx

@@ -0,0 +1,69 @@
+
+import React from 'react';
+import { BarChart, Bar, XAxis, YAxis, Tooltip, ResponsiveContainer, Legend } from 'recharts';
+import { formatCurrency } from '@/utils/formatters';
+
+interface MonthlyData {
+  name: string;
+  budget: number;
+  expense: number;
+}
+
+interface MonthlyComparisonChartProps {
+  monthlyData: MonthlyData[];
+  isEmpty?: boolean;
+}
+
+const MonthlyComparisonChart: React.FC<MonthlyComparisonChartProps> = ({ 
+  monthlyData,
+  isEmpty = false
+}) => {
+  // Format for Y-axis (K format)
+  const formatYAxisTick = (value: number) => {
+    return `${Math.round(value / 1000)}K`;
+  };
+
+  // Format for tooltip (original currency format)
+  const formatTooltip = (value: number | string) => {
+    if (typeof value === 'number') {
+      return formatCurrency(value);
+    }
+    return value;
+  };
+
+  // Empty state component
+  const EmptyGraphState = () => (
+    <div className="flex flex-col items-center justify-center h-48 text-gray-400">
+      <p>데이터가 없습니다</p>
+      <p className="text-sm mt-2">지출 내역을 추가하면 그래프가 표시됩니다</p>
+    </div>
+  );
+
+  return (
+    <div className="neuro-card h-72">
+      {!isEmpty && monthlyData.length > 0 ? (
+        <ResponsiveContainer width="100%" height="100%">
+          <BarChart data={monthlyData} margin={{
+            top: 20,
+            right: 10,
+            left: -10,
+            bottom: 5
+          }} style={{
+            fontSize: '11px'
+          }}>
+            <XAxis dataKey="name" />
+            <YAxis tickFormatter={formatYAxisTick} />
+            <Tooltip formatter={formatTooltip} />
+            <Legend />
+            <Bar dataKey="budget" name="예산" fill="#C8C8C9" radius={[4, 4, 0, 0]} />
+            <Bar dataKey="expense" name="지출" fill="#81c784" radius={[4, 4, 0, 0]} />
+          </BarChart>
+        </ResponsiveContainer>
+      ) : (
+        <EmptyGraphState />
+      )}
+    </div>
+  );
+};
+
+export default MonthlyComparisonChart;

src/components/analytics/PeriodSelector.tsx

@@ -0,0 +1,39 @@
+
+import React from 'react';
+import { ChevronLeft, ChevronRight } from 'lucide-react';
+
+interface PeriodSelectorProps {
+  selectedPeriod: string;
+  onPrevPeriod: () => void;
+  onNextPeriod: () => void;
+}
+
+const PeriodSelector: React.FC<PeriodSelectorProps> = ({
+  selectedPeriod,
+  onPrevPeriod,
+  onNextPeriod
+}) => {
+  return (
+    <div className="flex items-center justify-between mb-6">
+      <button 
+        className="neuro-flat p-2 rounded-full"
+        onClick={onPrevPeriod}
+      >
+        <ChevronLeft size={20} />
+      </button>
+      
+      <div className="flex items-center">
+        <span className="font-medium text-lg">{selectedPeriod}</span>
+      </div>
+      
+      <button 
+        className="neuro-flat p-2 rounded-full"
+        onClick={onNextPeriod}
+      >
+        <ChevronRight size={20} />
+      </button>
+    </div>
+  );
+};
+
+export default PeriodSelector;

src/components/analytics/SummaryCards.tsx

@@ -0,0 +1,50 @@
+
+import React from 'react';
+import { Wallet, CreditCard, PiggyBank } from 'lucide-react';
+import { formatCurrency } from '@/utils/formatters';
+
+interface SummaryCardsProps {
+  totalBudget: number;
+  totalExpense: number;
+  savingsPercentage: number;
+}
+
+const SummaryCards: React.FC<SummaryCardsProps> = ({
+  totalBudget,
+  totalExpense,
+  savingsPercentage
+}) => {
+  return (
+    <div className="grid grid-cols-3 gap-3 mb-8">
+      <div className="neuro-card">
+        <div className="flex items-center gap-2 mb-1 py-[5px]">
+          <Wallet size={24} className="text-gray-500" />
+          <p className="text-gray-500 text-base">예산</p>
+        </div>
+        <p className="text-sm font-bold text-neuro-income">
+          {formatCurrency(totalBudget)}
+        </p>
+      </div>
+      <div className="neuro-card">
+        <div className="flex items-center gap-2 mb-1 py-[5px]">
+          <CreditCard size={24} className="text-gray-500" />
+          <p className="text-gray-500 font-medium text-base">지출</p>
+        </div>
+        <p className="text-sm font-bold text-neuro-income">
+          {formatCurrency(totalExpense)}
+        </p>
+      </div>
+      <div className="neuro-card">
+        <div className="flex items-center gap-2 mb-1 py-[5px]">
+          <PiggyBank size={24} className="text-gray-500" />
+          <p className="text-gray-500 text-base">저축</p>
+        </div>
+        <p className="text-sm font-bold text-neuro-income">
+          {savingsPercentage}%
+        </p>
+      </div>
+    </div>
+  );
+};
+
+export default SummaryCards;

src/pages/Analytics.tsx

@@ -3,14 +3,16 @@ import React, { useState, useEffect } from 'react';
 import NavBar from '@/components/NavBar';
 import ExpenseChart from '@/components/ExpenseChart';
 import AddTransactionButton from '@/components/AddTransactionButton';
-import { BarChart, Bar, XAxis, YAxis, Tooltip, ResponsiveContainer, Legend } from 'recharts';
-import { ChevronLeft, ChevronRight, Wallet, CreditCard, PiggyBank } from 'lucide-react';
 import { useBudget } from '@/contexts/BudgetContext';
-import { formatCurrency } from '@/utils/formatters';
-import { EXPENSE_CATEGORIES } from '@/constants/categoryIcons';
 import { MONTHS_KR } from '@/hooks/useTransactions';
 import { useIsMobile } from '@/hooks/use-mobile';
 
+// 새로 분리한 컴포넌트들 불러오기
+import PeriodSelector from '@/components/analytics/PeriodSelector';
+import SummaryCards from '@/components/analytics/SummaryCards';
+import MonthlyComparisonChart from '@/components/analytics/MonthlyComparisonChart';
+import CategorySpendingList from '@/components/analytics/CategorySpendingList';
+
 const Analytics = () => {
   const [selectedPeriod, setSelectedPeriod] = useState('이번 달');
   const { budgetData, getCategorySpending, transactions } = useBudget();
@@ -22,7 +24,7 @@ const Analytics = () => {
   const savings = Math.max(0, totalBudget - totalExpense);
   const savingsPercentage = totalBudget > 0 ? Math.round(savings / totalBudget * 100) : 0;
   
-  // 카테고리별 지출 차트 데이터 생성 (데이터 초기화 고려)
+  // 카테고리별 지출 차트 데이터 생성
   const categorySpending = getCategorySpending();
   const expenseData = categorySpending.map(category => ({
     name: category.title,
@@ -32,10 +34,10 @@ const Analytics = () => {
            category.title === '교통비' ? '#2E7D32' : '#4CAF50'
   }));
 
-  // 최근 6개월 데이터를 위한 상태 (빈 데이터로 초기화)
+  // 최근 6개월 데이터를 위한 상태
   const [monthlyData, setMonthlyData] = useState<any[]>([]);
   
-  // 월별 데이터 생성 (초기화 로직 개선)
+  // 월별 데이터 생성
   useEffect(() => {
     // 현재 월 가져오기
     const today = new Date();
@@ -65,39 +67,16 @@ const Analytics = () => {
     
     setMonthlyData(last6Months);
   }, [totalBudget, totalExpense]);
-
-  // Custom formatter for Y-axis that removes currency symbol and uses K format
-  const formatYAxisTick = (value: number) => {
-    return `${Math.round(value / 1000)}K`;
-  };
-
-  // Custom formatter for tooltip that keeps the original formatting with currency symbol
-  const formatTooltip = (value: number | string) => {
-    if (typeof value === 'number') {
-      return formatCurrency(value);
-    }
-    return value;
-  };
   
-  // 이전/다음 기간 이동 처리 (현재는 UI만 표시)
+  // 이전/다음 기간 이동 처리
   const handlePrevPeriod = () => {
-    // 필요에 따라 구현
     console.log('이전 기간으로 이동');
   };
   
   const handleNextPeriod = () => {
-    // 필요에 따라 구현
     console.log('다음 기간으로 이동');
   };
   
-  // 그래프 데이터 없을 때 표시할 빈 상태 메시지
-  const EmptyGraphState = () => (
-    <div className="flex flex-col items-center justify-center h-48 text-gray-400">
-      <p>데이터가 없습니다</p>
-      <p className="text-sm mt-2">지출 내역을 추가하면 그래프가 표시됩니다</p>
-    </div>
-  );
-  
   return (
     <div className="min-h-screen bg-neuro-background pb-24">
       <div className={`mx-auto px-4 ${isMobile ? 'w-full' : 'max-w-lg'}`}>
@@ -106,87 +85,30 @@ const Analytics = () => {
           <h1 className="text-2xl font-bold neuro-text mb-5">지출 분석</h1>
           
           {/* Period Selector */}
-          <div className="flex items-center justify-between mb-6">
-            <button 
-              className="neuro-flat p-2 rounded-full"
-              onClick={handlePrevPeriod}
-            >
-              <ChevronLeft size={20} />
-            </button>
-            
-            <div className="flex items-center">
-              <span className="font-medium text-lg">{selectedPeriod}</span>
-            </div>
-            
-            <button 
-              className="neuro-flat p-2 rounded-full"
-              onClick={handleNextPeriod}
-            >
-              <ChevronRight size={20} />
-            </button>
-          </div>
+          <PeriodSelector 
+            selectedPeriod={selectedPeriod}
+            onPrevPeriod={handlePrevPeriod}
+            onNextPeriod={handleNextPeriod}
+          />
           
           {/* Summary Cards */}
-          <div className="grid grid-cols-3 gap-3 mb-8">
-            <div className="neuro-card">
-              <div className="flex items-center gap-2 mb-1 py-[5px]">
-                <Wallet size={24} className="text-gray-500" />
-                <p className="text-gray-500 text-base">예산</p>
-              </div>
-              <p className="text-sm font-bold text-neuro-income">
-                {formatCurrency(totalBudget)}
-              </p>
-            </div>
-            <div className="neuro-card">
-              <div className="flex items-center gap-2 mb-1 py-[5px]">
-                <CreditCard size={24} className="text-gray-500" />
-                <p className="text-gray-500 font-medium text-base">지출</p>
-              </div>
-              <p className="text-sm font-bold text-neuro-income">
-                {formatCurrency(totalExpense)}
-              </p>
-            </div>
-            <div className="neuro-card">
-              <div className="flex items-center gap-2 mb-1 py-[5px]">
-                <PiggyBank size={24} className="text-gray-500" />
-                <p className="text-gray-500 text-base">저축</p>
-              </div>
-              <p className="text-sm font-bold text-neuro-income">
-                {savingsPercentage}%
-              </p>
-            </div>
-          </div>
+          <SummaryCards 
+            totalBudget={totalBudget}
+            totalExpense={totalExpense}
+            savingsPercentage={savingsPercentage}
+          />
         </header>
         
-        {/* Monthly Comparison - MOVED UP */}
+        {/* Monthly Comparison Chart */}
         <div className="mb-8">
           <h2 className="text-lg font-semibold mb-3">월별 그래프</h2>
-          <div className="neuro-card h-72">
-            {monthlyData.length > 0 ? (
-              <ResponsiveContainer width="100%" height="100%">
-                <BarChart data={monthlyData} margin={{
-                  top: 20,
-                  right: 10,
-                  left: -10,
-                  bottom: 5
-                }} style={{
-                  fontSize: '11px'
-                }}>
-                  <XAxis dataKey="name" />
-                  <YAxis tickFormatter={formatYAxisTick} />
-                  <Tooltip formatter={formatTooltip} />
-                  <Legend />
-                  <Bar dataKey="budget" name="예산" fill="#C8C8C9" radius={[4, 4, 0, 0]} />
-                  <Bar dataKey="expense" name="지출" fill="#81c784" radius={[4, 4, 0, 0]} />
-                </BarChart>
-              </ResponsiveContainer>
-            ) : (
-              <EmptyGraphState />
-            )}
-          </div>
+          <MonthlyComparisonChart 
+            monthlyData={monthlyData}
+            isEmpty={monthlyData.length === 0}
+          />
         </div>
         
-        {/* Category Pie Chart - MOVED DOWN */}
+        {/* Category Pie Chart */}
         <h2 className="text-lg font-semibold mb-3">카테고리별 지출</h2>
         {expenseData.some(item => item.value > 0) ? (
           <ExpenseChart data={expenseData} />
@@ -198,35 +120,10 @@ const Analytics = () => {
         
         {/* Top Spending Categories */}
         <h2 className="text-lg font-semibold mb-3 mt-6">주요 지출 카테고리</h2>
-        <div className="neuro-card mb-6">
-          {categorySpending.some(cat => cat.current > 0) ? (
-            <div className="space-y-4">
-              {categorySpending.map((category) => (
-                <div key={category.title} className="flex items-center justify-between">
-                  <div className="flex items-center gap-3">
-                    <div className="w-6 h-6 rounded-full" style={{
-                      backgroundColor: category.title === '식비' ? '#81c784' : 
-                                      category.title === '생활비' ? '#AED581' : '#2E7D32'
-                    }}></div>
-                    <span>{category.title}</span>
-                  </div>
-                  <div className="text-right">
-                    <p className="font-medium">
-                      {formatCurrency(category.current)}
-                    </p>
-                    <p className="text-xs text-gray-500">
-                      {totalExpense > 0 ? Math.round(category.current / totalExpense * 100) : 0}%
-                    </p>
-                  </div>
-                </div>
-              ))}
-            </div>
-          ) : (
-            <div className="py-8 text-center text-gray-400">
-              <p>아직 지출 내역이 없습니다</p>
-            </div>
-          )}
-        </div>
+        <CategorySpendingList 
+          categories={categorySpending}
+          totalExpense={totalExpense}
+        />
       </div>
 
       <AddTransactionButton />