import {z} from 'zod'

export type SlurmClusterInternalConfig = {[key: string]: string};

export type SlurmClusterPostRequest = {home_volume_size?: string | undefined, location: string, login_node_type?: string | undefined, login_replicas?: number | undefined, name: string, root_ssh_pub_keys: Array<string>, subnet_id?: string | undefined, internal_config?: SlurmClusterInternalConfig | undefined};

export type CreateApiProjectsProjectIdSlurmClustersArgs = {project_id: string, body: SlurmClusterPostRequest};

export type CreateApiProjectsProjectIdSlurmClustersOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const operation = z.object({completed_at: z.string(), metadata: z.string(), operation_id: z.string(), result: z.string().optional(), started_at: z.string(), state: z.enum(["IN_PROGRESS", "SUCCEEDED", "FAILED"])});

export const asyncOperationResponse = z.object({operation: operation});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Create a new slurm cluster owned by the logged in user.
 * 
 * POST /projects/{project_id}/slurm/clusters
 */
export const createApiProjectsProjectIdSlurmClusters = async (args: CreateApiProjectsProjectIdSlurmClustersArgs, options?: CreateApiProjectsProjectIdSlurmClustersOptions) => {
const {baseUrl = "https://api.cloud.crusoe.ai/v1", fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
headers.set('accept', "application/json")

const url = `${baseUrl.replace(/\/+$/, '')}/projects/${encodeURIComponent(String(args.project_id))}/slurm/clusters${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(asyncOperationResponse, await res.json())
};