server.js

// server.js

const express = require('express');
const cors = require('cors');

const app = express();
const PORT = process.env.PORT || 5000;

// Middleware
app.use(cors());
app.use(express.json());

// Sample Data (to be replaced with actual data sources)
const countries = [];
const timelines = [];
const artifacts = [];
const museums = [];

// Endpoints

// Countries
app.get('/api/countries', (req, res) => {
    // Fetch and return countries data
    res.json(countries);
});

// Timelines
app.get('/api/timelines', (req, res) => {
    // Fetch and return timelines data
    res.json(timelines);
});

// Artifacts
app.get('/api/artifacts', (req, res) => {
    // Fetch and return artifacts data
    res.json(artifacts);
});

// Museums
app.get('/api/museums', (req, res) => {
    // Fetch and return museums data
    res.json(museums);
});

// Gap Detection
app.get('/api/gaps', (req, res) => {
    // Logic for gap detection in historical data
    const gaps = detectGaps(countries, timelines); // Placeholder function
    res.json(gaps);
});

// Placeholder function for detecting gaps
function detectGaps(countries, timelines) {
    // Implement gap detection logic
    return [];
}

// Start the server
app.listen(PORT, () => {
    console.log(`Server is running on http://localhost:${PORT}`);
});