function apiError(message, status) {
  const err = new Error(message)
  err.status = status
  return err
}

export async function myGainsApi() {
  const token = localStorage.getItem('token')
  const res = await fetch('/api/game/my-gains', {
    headers: { Authorization: `Bearer ${token}` },
  })
  const data = await res.json()
  if (!res.ok) throw apiError(data.message || 'Erreur lors de la récupération des gains.', res.status)
  return data
}

export async function participateApi(code) {
  const token = localStorage.getItem('token')
  const res = await fetch('/api/game/participate', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      Authorization: `Bearer ${token}`,
    },
    body: JSON.stringify({ code }),
  })
  const data = await res.json()
  if (!res.ok) throw apiError(data.message || 'Erreur lors de la participation.', res.status)
  return data
}