const API_BASE = '/api';

async function fetchJSON(path) {
  const res = await fetch(`${API_BASE}${path}`);
  if (!res.ok) throw new Error(`API error: ${res.status}`);
  return res.json();
}

async function postJSON(path, body) {
  const res = await fetch(`${API_BASE}${path}`, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify(body),
  });
  if (!res.ok) throw new Error(`API error: ${res.status}`);
  return res.json();
}

export const getTournaments = () => fetchJSON('/tournaments');
export const getTournament = (id) => fetchJSON(`/tournaments/${id}`);
export const getSchedule = (id) => fetchJSON(`/tournaments/${id}/schedule`);
export const getScore = (tid, gid) => fetchJSON(`/tournaments/${tid}/games/${gid}/score`);
export const updateScore = (tid, gid, u) => postJSON(`/tournaments/${tid}/games/${gid}/score`, u);
export const getAuditLog = (tid, gid) => fetchJSON(`/tournaments/${tid}/games/${gid}/audit`);
export const getQuestionnaire = (id) => fetchJSON(`/tournaments/${id}/questionnaire`);
export const submitQuestionnaire = (id, d) => postJSON(`/tournaments/${id}/questionnaire`, d);
export const getQuestionnaireResults = (id) => fetchJSON(`/tournaments/${id}/questionnaire/results`);
export const getResults = (id) => fetchJSON(`/tournaments/${id}/results`);

export function createGameWebSocket(tourneyId, gameId, userId = 'anon') {
  const proto = location.protocol === 'https:' ? 'wss:' : 'ws:';
  return new WebSocket(`${proto}//${location.host}/ws/game/${tourneyId}/${gameId}?user_id=${userId}`);
}

export function createTournamentWebSocket(tourneyId) {
  const proto = location.protocol === 'https:' ? 'wss:' : 'ws:';
  return new WebSocket(`${proto}//${location.host}/ws/tournament/${tourneyId}`);
}