import type { MarketContext, PortfolioHolding, PortfolioAdvice } from '$lib/types.js';
import { authFetch } from './auth.js';

const BASE = '/api';

export async function fetchPortfolio(): Promise<{
  advice: PortfolioAdvice[];
  holdings: PortfolioHolding[];
  marketContext: MarketContext | null;
  netWorth: number | null;
  error?: string;
}> {
  const res = await authFetch(`${BASE}/finance/portfolio`);
  if (!res.ok) throw new Error(await res.text());
  return res.json();
}

export async function addHolding(
  holding: PortfolioHolding,
): Promise<{ holdings: PortfolioHolding[] }> {
  const res = await authFetch(`${BASE}/finance/holdings`, {
    method: 'POST',
    body: JSON.stringify(holding),
  });
  if (!res.ok) throw new Error(await res.text());
  return res.json();
}

export async function removeHolding(ticker: string): Promise<{ holdings: PortfolioHolding[] }> {
  const res = await authFetch(`${BASE}/finance/holdings/${ticker}`, { method: 'DELETE' });
  if (!res.ok) throw new Error(await res.text());
  return res.json();
}

export async function fetchMarketContext(): Promise<MarketContext> {
  const res = await authFetch(`${BASE}/finance/market-context`);
  if (!res.ok) throw new Error(await res.text());
  return res.json();
}