import type { ScreenerResult } from '$lib/types.js';
import type { LLMAnalysis, CatalystStory } from '$lib/types.js';

const BASE = '/api';

export async function screenTickers(tickers: string[]): Promise<ScreenerResult> {
  const res = await fetch(`${BASE}/screen`, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ tickers }),
  });
  if (!res.ok) throw new Error(await res.text());
  return res.json();
}

export async function fetchCatalysts(): Promise<{ tickers: string[]; stories: CatalystStory[] }> {
  const res = await fetch(`${BASE}/screen/catalysts`);
  if (!res.ok) throw new Error(await res.text());
  return res.json();
}

export async function analyzeTickers(
  tickers: string[],
): Promise<{ analysis: LLMAnalysis | null; reason?: string | null }> {
  const res = await fetch(`${BASE}/analyze`, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ tickers }),
  });
  if (!res.ok) throw new Error(await res.text());
  return res.json();
}