import { Resource } from '@modelcontextprotocol/sdk/types.js';
import { nasaService } from '../services/nasa.service.js';
// Resource template pattern: nasa://apod/{date}
export function isApodResource(uri: string): { match: boolean; date?: string } {
const pattern = /^nasa:\/\/apod\/(\d{4}-\d{2}-\d{2})$/;
const match = uri.match(pattern);
if (match) {
return { match: true, date: match[1] };
}
return { match: false };
}
export function listApodResources(): Resource[] {
const today = new Date().toISOString().split('T')[0];
const yesterday = new Date(Date.now() - 86400000).toISOString().split('T')[0];
return [
{
uri: `nasa://apod/${today}`,
name: `APOD for ${today}`,
description: "Today's Astronomy Picture of the Day",
mimeType: 'application/json',
},
{
uri: `nasa://apod/${yesterday}`,
name: `APOD for ${yesterday}`,
description: "Yesterday's Astronomy Picture of the Day",
mimeType: 'application/json',
},
];
}
export async function getApodResourceContent(uri: string, date: string): Promise<{ uri: string; mimeType: string; text: string }> {
try {
const apodData = await nasaService.getApod(date);
const content = {
date: apodData.date,
title: apodData.title,
explanation: apodData.explanation,
url: apodData.url,
hdurl: apodData.hdurl,
media_type: apodData.media_type,
service_version: apodData.service_version,
copyright: apodData.copyright,
};
return {
uri,
mimeType: 'application/json',
text: JSON.stringify(content, null, 2),
};
} catch (error) {
return {
uri,
mimeType: 'application/json',
text: JSON.stringify({ error: `Failed to fetch APOD for ${date}: ${error}` }, null, 2),
};
}
}
