import {z} from 'zod'

export type NodeInfo = {address: string, availableCpus: number, availableDiskGb: number, availableMemoryMb: number, bootId?: (string | null) | undefined, csrPem?: (string | null) | undefined, diskCordonedAt?: (string | null) | undefined, id: string, labels: {[key: string]: string}, lastHeartbeatAt?: (string | null) | undefined, registeredAt: string, reservedDiskGb?: number | undefined, runtime?: string | undefined, smolvmAddress: string, smolvmVersion?: (string | null) | undefined, status: string, totalCpus: number, totalDiskGb: number, totalMemoryMb: number, usedCpus?: number | undefined, usedDiskGb?: number | undefined, usedMemoryMb?: number | undefined};

export type CreateApiV1NodesRegisterArgs = {body: NodeInfo};

export type CreateApiV1NodesRegisterOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const nodeInfo = z.object({address: z.string(), availableCpus: z.number().int().gte(0), availableDiskGb: z.number().int().gte(0), availableMemoryMb: z.number().int().gte(0), bootId: z.string().nullable().optional(), csrPem: z.string().nullable().optional(), diskCordonedAt: z.string().nullable().optional(), id: z.string(), labels: z.record(z.string(), z.string()), lastHeartbeatAt: z.string().nullable().optional(), registeredAt: z.string(), reservedDiskGb: z.number().int().gte(0).optional(), runtime: z.string().optional(), smolvmAddress: z.string(), smolvmVersion: z.string().nullable().optional(), status: z.string(), totalCpus: z.number().int().gte(0), totalDiskGb: z.number().int().gte(0), totalMemoryMb: z.number().int().gte(0), usedCpus: z.number().optional(), usedDiskGb: z.number().int().gte(0).optional(), usedMemoryMb: z.number().int().gte(0).optional()});

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
};

/**
 * Register a node.
 * 
 * POST /v1/nodes/register
 */
export const createApiV1NodesRegister = async (args: CreateApiV1NodesRegisterArgs, options?: CreateApiV1NodesRegisterOptions) => {
const {baseUrl = "https://api.smolmachines.com", 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 = `${baseUrl.replace(/\/+$/, '')}/v1/nodes/register${query.size > 0 ? `?${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(nodeInfo, await res.json())
};