const fs = require('fs');

const path = require('path');

// Fetch Missing Maps events from osmcal.org and save to JSON file

async function fetchMissingMapsEvents() {

try {

console.log('Fetching events from osmcal.org...');

// Dynamic import for node-fetch v3 (ESM)

const { default: fetch } = await import('node-fetch');

const response = await fetch('https://osmcal.org/api/v2/events/', {

headers: {

'Accept': 'application/json',

'Client-App': 'missing-maps-website/1.0.0'

}

});

if (!response.ok) {

throw new Error(`HTTP error! status: ${response.status}`);

}

const events = await response.json();

console.log(`Fetched ${events.length} total events`);

// Filter for events with "missing maps" in the title (case insensitive)

const missingMapsEvents = events.filter(event =>

event.name && event.name.toLowerCase().includes('missing maps')

);

console.log(`Found ${missingMapsEvents.length} Missing Maps events`);

// Add build metadata

const eventsData = {

buildTime: new Date().toISOString(),

count: missingMapsEvents.length,

events: missingMapsEvents

};

// Save to app/assets/data/events.json

const dataDir = path.join(__dirname, 'app', 'assets', 'data');

if (!fs.existsSync(dataDir)) {

fs.mkdirSync(dataDir, { recursive: true });

}

const outputPath = path.join(dataDir, 'events.json');

fs.writeFileSync(outputPath, JSON.stringify(eventsData, null, 2));

console.log(`Saved events to ${outputPath}`);

console.log(`Build time: ${eventsData.buildTime}`);

console.log('Event names:');

missingMapsEvents.forEach(event => {

console.log(` - ${event.name} (${event.date.human})`);

});

} catch (error) {

console.error('Error fetching events:', error);

// Create empty events file on error

const dataDir = path.join(__dirname, 'app', 'assets', 'data');

if (!fs.existsSync(dataDir)) {

fs.mkdirSync(dataDir, { recursive: true });

}

const outputPath = path.join(dataDir, 'events.json');

const errorData = {

buildTime: new Date().toISOString(),

count: 0,

events: [],

error: error.message

};

fs.writeFileSync(outputPath, JSON.stringify(errorData, null, 2));

console.log('Created empty events file due to error');

}

}

if (require.main === module) {

fetchMissingMapsEvents();

}

module.exports = fetchMissingMapsEvents;