import {z} from 'zod'

export type KubernetesLabelValue = string;

export type Tag = {name: string, value: string};

export type TagList = Array<Tag>;

export type ResourceMetadata = {name: KubernetesLabelValue, description?: string | undefined, tags?: TagList | undefined};

export type Ipv4Address = string;

export type Ipv4AddressList = Array<Ipv4Address>;

export type Route = {prefix: string, nexthop: string};

export type Routes = Array<Route>;

export type RegionId = string;

export type NetworkReservations = {prefixLength: number, providerReservedPrefixLength?: number | undefined};

export type NetworkV2CreateSpec = {dnsNameservers: Ipv4AddressList, routes?: Routes | undefined, organizationId: string, projectId: string, regionId: RegionId, prefix: string, reservations?: NetworkReservations | undefined};

export type NetworkV2Create = {metadata: ResourceMetadata, spec: NetworkV2CreateSpec};

export type CreateApiApiV2NetworksArgs = {body: NetworkV2Create};

export type CreateApiApiV2NetworksOptions = {baseUrl: string, oauth2Authentication?: string | undefined, fetch?: typeof fetch | undefined};

export const kubernetesLabelValue = z.string();

export const tag = z.object({name: z.string(), value: z.string()});

export const tagList = z.array(tag);

export const resourceProvisioningStatus = z.enum(["unknown", "provisioning", "provisioned", "deprovisioning", "error"]);

export const resourceHealthStatus = z.enum(["unknown", "healthy", "degraded", "error"]);

export const projectScopedResourceReadMetadata = z.object({name: kubernetesLabelValue, description: z.string().optional(), tags: tagList.optional(), id: z.string(), creationTime: z.string(), createdBy: z.string().optional(), modifiedTime: z.string().optional(), modifiedBy: z.string().optional(), deletionTime: z.string().optional(), provisioningStatus: resourceProvisioningStatus, healthStatus: resourceHealthStatus, organizationId: z.string(), projectId: z.string()});

export const ipv4Address = z.string();

export const ipv4AddressList = z.array(ipv4Address);

export const route = z.object({prefix: z.string(), nexthop: z.string()});

export const routes = z.array(route);

export const networkV2Spec = z.object({dnsNameservers: ipv4AddressList, routes: routes.optional()});

export const networkReservations = z.object({prefixLength: z.number().int().gte(0).lte(30), providerReservedPrefixLength: z.number().int().gte(0).lte(30).optional()});

export const networkV2Status = z.object({regionId: z.string(), prefix: z.string(), reservations: networkReservations.optional()});

export const networkV2Read = z.object({metadata: projectScopedResourceReadMetadata, spec: networkV2Spec, status: networkV2Status});

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 network
 * 
 * POST /api/v2/networks
 */
export const createApiApiV2Networks = async (args: CreateApiApiV2NetworksArgs, options: CreateApiApiV2NetworksOptions) => {
const {baseUrl, fetch: fetchFn = fetch, oauth2Authentication} = options ?? {}

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

if (oauth2Authentication !== undefined) headers.set('authorization', `Bearer ${oauth2Authentication}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/networks${query.size > 0 ? `?${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(networkV2Read, await res.json())
};