'use strict';

function getConfig() {
  return {
    instanceUrl: process.env.BOKANTE_INSTANCE_URL || 'https://bokante.o-k-i.net',
    accessToken: process.env.BOKANTE_ACCESS_TOKEN
  };
}

async function mastodonFetch(url, options) {
  const {accessToken} = getConfig();
  const response = await fetch(url, {
    ...options,
    headers: {
      Authorization: `Bearer ${accessToken}`,
      ...options.headers
    }
  });

  if (!response.ok) {
    const body = await response.text();
    throw new Error(`Mastodon ${response.status}: ${body}`);
  }

  return response.json();
}

async function createStatus(text, {visibility = 'public'} = {}) {
  const {instanceUrl} = getConfig();
  return mastodonFetch(`${instanceUrl}/api/v1/statuses`, {
    method: 'POST',
    headers: {'Content-Type': 'application/json'},
    body: JSON.stringify({status: text, visibility})
  });
}

async function getStatusContext(statusId) {
  const {instanceUrl} = getConfig();
  return mastodonFetch(`${instanceUrl}/api/v1/statuses/${statusId}/context`, {
    method: 'GET'
  });
}

module.exports = {createStatus, getStatusContext};