import type { RequestHandler } from '@sveltejs/kit';
import yahooFinance from 'yahoo-finance2';

/**
 * Example request : GET /stocksapi/chart?query=AAPL&startDate=2025-01-01&
 */
export const GET: RequestHandler = async ({ request }) => {
    const sp = new URL(request.url).searchParams;
    const query = sp.get('query') || 'AAPL';
    const startDate = sp.get('startDate') || '2025-01-01';
    const endDate = sp.get('endDate') || new Date().toISOString().split('T')[0];
    const interval = sp.get('interval') || '1d';

    const data = await yahooFinance.chart(query, { period1: startDate, period2: endDate, interval: interval });
    return new Response(JSON.stringify(data), {
        headers: {
            'Content-Type': 'application/json',
            'Cache-Control': 'no-cache',
        },
    });
};