import {z} from 'zod'

export type GetApiV1VmsMachineTypesArgs = {projectId?: string | undefined};

export type GetApiV1VmsMachineTypesOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const decimal = z.object({value: z.string().optional()});

export const commitmentTerm = z.enum(["COMMITMENT_TERM_NONE", "COMMITMENT_TERM_1_MONTH", "COMMITMENT_TERM_3_MONTHS", "COMMITMENT_TERM_6_MONTHS", "COMMITMENT_TERM_12_MONTHS", "COMMITMENT_TERM_24_MONTHS", "COMMITMENT_TERM_36_MONTHS", "COMMITMENT_TERM_60_MONTHS"]);

export const virtualMachineTypePrice = z.object({commitmentTerm: commitmentTerm, gpuPriceHr: decimal, memoryGibPriceHr: decimal, vcpuPriceHr: decimal});

export const vMMachineType = z.object({cpuModel: z.string(), dataCenterId: z.string(), gpuModel: z.string(), gpuModelId: z.string(), gpuPriceHr: decimal, ipv4PriceHr: decimal, machineType: z.string(), maxGpuFree: z.number().int(), maxMemoryGibFree: z.number().int(), maxStorageGibFree: z.number().int(), maxVcpuFree: z.number().int(), maxVcpuPerGpu: z.number(), maxVcpuPerMemoryGib: z.number(), memoryGibPriceHr: decimal, minMemoryGib: z.number(), minStorageGibPriceHr: decimal, minVcpu: z.number(), minVcpuPerGpu: z.number(), minVcpuPerMemoryGib: z.number(), prices: z.array(virtualMachineTypePrice), renewableEnergy: z.boolean(), totalGpuFree: z.number().int(), totalMemoryGibFree: z.number().int(), totalStorageGibFree: z.number().int(), totalVcpuFree: z.number().int(), vcpuPriceHr: decimal});

export const listVMMachineTypesResponse = z.object({machineTypes: z.array(vMMachineType)});

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
};

/**
 * List virtual machine types
 * 
 * GET /v1/vms/machine-types
 */
export const getApiV1VmsMachineTypes = async (args: GetApiV1VmsMachineTypesArgs, options?: GetApiV1VmsMachineTypesOptions) => {
const {baseUrl = "https://rest.compute.cudo.org", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.projectId != null) query.append("projectId", String(args.projectId))
if (bearerAuth !== undefined) headers.set("Authorization", bearerAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/vms/machine-types${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

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

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