import { NextRequest, NextResponse } from "next/server";

// Demo analytics data for MoneyMind
const demoAnalytics = {
  metrics: {
    currentBalance: 15420.50,
    totalIncome: 3500.00,
    totalExpenses: 2180.75,
    netCashFlow: 1319.25,
  },
  categoryBreakdown: {
    expenses: [
      { category: "Housing", total: 850.00, percentage: 39 },
      { category: "Food", total: 420.50, percentage: 19 },
      { category: "Transport", total: 280.25, percentage: 13 },
      { category: "Entertainment", total: 180.00, percentage: 8 },
      { category: "Utilities", total: 250.00, percentage: 11 },
      { category: "Other", total: 200.00, percentage: 10 },
    ],
    income: [
      { category: "Salary", total: 3000.00, percentage: 86 },
      { category: "Freelance", total: 500.00, percentage: 14 },
    ]
  },
  monthlyTrends: [
    { 
      month: "Apr 2025", 
      income: 3200.00, 
      expenses: 2100.00,
      balance: 1100.00 
    },
    { 
      month: "May 2025", 
      income: 3400.00, 
      expenses: 2250.00,
      balance: 1150.00 
    },
    { 
      month: "Jun 2025", 
      income: 3300.00, 
      expenses: 2050.00,
      balance: 1250.00 
    },
    { 
      month: "Jul 2025", 
      income: 3500.00, 
      expenses: 2180.75,
      balance: 1319.25 
    },
  ],
  budgetStatus: [
    {
      id: "1",
      name: "Monthly Food Budget",
      categoryName: "Food",
      amount: 500.00,
      spent: 420.50,
      remaining: 79.50,
      percentage: 84.1,
    },
    {
      id: "2",
      name: "Entertainment Budget",
      categoryName: "Entertainment",
      amount: 200.00,
      spent: 180.00,
      remaining: 20.00,
      percentage: 90.0,
    },
    {
      id: "3",
      name: "Transport Budget",
      categoryName: "Transport",
      amount: 300.00,
      spent: 280.25,
      remaining: 19.75,
      percentage: 93.4,
    },
  ],
  goalProgress: [
    {
      id: "1",
      name: "Emergency Fund",
      priority: "high",
      targetAmount: 10000.00,
      currentAmount: 7500.00,
      remaining: 2500.00,
      percentage: 75.0,
      targetDate: "2025-12-31",
    },
    {
      id: "2",
      name: "New Car",
      priority: "medium",
      targetAmount: 25000.00,
      currentAmount: 8500.00,
      remaining: 16500.00,
      percentage: 34.0,
      targetDate: "2026-06-30",
    },
    {
      id: "3",
      name: "Vacation Fund",
      priority: "low",
      targetAmount: 5000.00,
      currentAmount: 1200.00,
      remaining: 3800.00,
      percentage: 24.0,
      targetDate: "2025-12-15",
    },
  ],
};

export async function GET(request: NextRequest) {
  try {
    // Return demo analytics data
    return NextResponse.json(demoAnalytics);
  } catch (error) {
    console.error("Error fetching analytics:", error);
    return NextResponse.json(
      { error: "Failed to fetch analytics" },
      { status: 500 }
    );
  }
}