import { authFetch } from '../../../utils/authFetch'

export type MatrixStateData = {
  matrixInstanceId: string | number
  wasActive: boolean
  isActive: boolean
  status: 'deactivated' | 'already_inactive' | 'activated' | 'already_active'
}

type MatrixStateResponse = {
  success: boolean
  data?: MatrixStateData
  message?: string
}

const baseUrl = (process.env.NEXT_PUBLIC_API_BASE_URL || '').replace(/\/+$/, '')

async function patch(endpoint: string) {
  const url = `${baseUrl}${endpoint}`
  const res = await authFetch(url, {
    method: 'PATCH',
    headers: { Accept: 'application/json' },
    credentials: 'include'
  })
  const ct = res.headers.get('content-type') || ''
  const raw = await res.text()
  const json: MatrixStateResponse | null = ct.includes('application/json') ? JSON.parse(raw) : null

  if (!res.ok || !json?.success) {
    const msg = json?.message || `Request failed: ${res.status}`
    throw new Error(msg)
  }
  return json.data!
}

export async function deactivateMatrix(id: string | number) {
  if (!id && id !== 0) throw new Error('matrix id required')
  return patch(`/api/admin/matrix/${id}/deactivate`)
}

export async function activateMatrix(id: string | number) {
  if (!id && id !== 0) throw new Error('matrix id required')
  // Assuming symmetrical endpoint; backend may expose this path.
  return patch(`/api/admin/matrix/${id}/activate`)
}