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

export type InstantVMConfig = {config_id: string, name: string, password?: (string | null) | undefined, organization_ssh_keys?: (OrganizationSshKeysSelectiveConfig | OrganizationSshKeysNonSelectiveConfig) | undefined, ssh_keys?: Array<string> | undefined, cloud_init?: (InstantCloudInit | null) | undefined, tags?: Array<string> | undefined};

export type CreateApiVirtualMachinesInstantArgs = {body: InstantVMConfig};

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

export const instantVMResult = z.object({vm_id: z.string()});

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
};

/**
 * Deploy an instant virtual machine
 * 
 * POST /virtual-machines/instant
 * 
 * Also accepts auth: APIKeyHeader
 */
export const createApiVirtualMachinesInstant = async (args: CreateApiVirtualMachinesInstantArgs, options: CreateApiVirtualMachinesInstantOptions) => {
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 (apiTokenAuth !== undefined) headers.set('authorization', `Bearer ${apiTokenAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/virtual-machines/instant${query.size > 0 ? `?${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(instantVMResult, await res.json())
};