import {z} from 'zod'

export type OrganizationSshKeysSelectiveConfig = {mode: 'selective', ssh_key_ids: Array<string>};

export type OrganizationSshKeysNonSelectiveConfig = {mode: 'all' | 'none'};

export type CloudInitWriteFile = {encoding?: (string | null) | undefined, content: string, owner?: (string | null) | undefined, path: string, permissions?: (string | null) | undefined};

export type BareMetalCloudInit = {packages?: Array<string> | undefined, write_files?: Array<CloudInitWriteFile> | undefined, runcmd?: Array<string> | undefined};

export type KubernetesVersion = '1.35' | '1.34' | '1.33' | '1.32';

export type KubernetesAddon = {authentication_config_b64?: (unknown | null) | undefined, version: KubernetesVersion};

export type SlurmAddon = {version: string};

export type BareMetalAddons = {kubernetes?: (KubernetesAddon | null) | undefined, slurm?: (SlurmAddon | null) | undefined};

export type BareMetalDeployConfig = {location_id: string, gpu_count: number, name: string, organization_ssh_keys?: (OrganizationSshKeysSelectiveConfig | OrganizationSshKeysNonSelectiveConfig) | undefined, ssh_keys?: Array<string> | undefined, network_type: 'infiniband' | 'ethernet', sub_order?: (number | null) | undefined, storage_id?: (string | null) | undefined, tags?: Array<string> | undefined, cloudinit_script?: (BareMetalCloudInit | null) | undefined, addons?: (BareMetalAddons | null) | undefined, custom_hostname?: (string | null) | undefined};

export type CreateApiBareMetalArgs = {'Idempotency-Key'?: (string | null) | undefined, body: BareMetalDeployConfig};

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

export const deployBareResult = z.object({rental_id: z.string(), warning: z.string().nullable()});

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
};

/**
 * Provision a new bare-metal server rental
 * 
 * POST /bare-metal/
 * 
 * Also accepts auth: APIKeyHeader
 */
export const createApiBareMetal = async (args: CreateApiBareMetalArgs, options: CreateApiBareMetalOptions) => {
const {baseUrl, fetch: fetchFn = fetch, apiTokenAuth} = options ?? {}

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

if (args['Idempotency-Key'] != null) headers.set("Idempotency-Key", String(args['Idempotency-Key']))
if (apiTokenAuth !== undefined) headers.set('authorization', `Bearer ${apiTokenAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/bare-metal/${query.size > 0 ? `?${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(deployBareResult, await res.json())
};