const base = '/api'

async function req(path, opts = {}) {
  const res = await fetch(base + path, {
    headers: { 'Content-Type': 'application/json' },
    ...opts,
  })
  if (!res.ok) {
    const text = await res.text().catch(() => '')
    throw new Error(`${res.status}: ${text || res.statusText}`)
  }
  if (res.status === 204) return null
  return res.json()
}

export const api = {
  status: () => req('/status'),
  config: () => req('/config'),
  putConfig: (cfg) => req('/config', { method: 'PUT', body: JSON.stringify(cfg) }),
  domains: () => req('/domains'),
  addDomain: (d) => req('/domains', { method: 'POST', body: JSON.stringify(d) }),
  deleteDomain: (name) =>
    req(`/domains/${encodeURIComponent(name)}`, { method: 'DELETE' }),
  patchDomain: (name, body) =>
    req(`/domains/${encodeURIComponent(name)}`, {
      method: 'PATCH',
      body: JSON.stringify(body),
    }),
  logs: (params = {}) => {
    const q = new URLSearchParams(
      Object.fromEntries(Object.entries(params).filter(([, v]) => v !== '' && v != null))
    ).toString()
    return req('/logs' + (q ? `?${q}` : ''))
  },
  clearLogs: (params = {}) => {
    const q = new URLSearchParams(
      Object.fromEntries(Object.entries(params).filter(([, v]) => v !== '' && v != null))
    ).toString()
    return req('/logs' + (q ? `?${q}` : ''), { method: 'DELETE' })
  },
  restart: () => req('/proxy/restart', { method: 'POST' }),
}