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 LoadBalancerListenerNameV2 = string;

export type LoadBalancerListenerProtocolV2 = 'tcp' | 'udp';

export type Ipv4Address = string;

export type LoadBalancerMemberV2 = {address: Ipv4Address, port: number};

export type LoadBalancerHealthCheckV2 = {intervalSeconds?: number | undefined, timeoutSeconds?: number | undefined, healthyThreshold?: number | undefined, unhealthyThreshold?: number | undefined};

export type LoadBalancerPoolV2 = {proxyProtocolV2?: boolean | undefined, members: Array<LoadBalancerMemberV2>, healthCheck?: LoadBalancerHealthCheckV2 | undefined};

export type LoadBalancerListenerV2 = {name: LoadBalancerListenerNameV2, protocol: LoadBalancerListenerProtocolV2, port: number, allowedCidrs?: Array<string> | undefined, idleTimeoutSeconds?: number | undefined, pool: LoadBalancerPoolV2};

export type NetworkId = string;

export type LoadBalancerV2CreateSpec = {publicIP?: boolean | undefined, listeners: Array<LoadBalancerListenerV2>, networkId: NetworkId, vipAddress?: Ipv4Address | undefined};

export type LoadBalancerV2Create = {metadata: ResourceMetadata, spec: LoadBalancerV2CreateSpec};

export type CreateApiApiV2LoadbalancersArgs = {body: LoadBalancerV2Create};

export type CreateApiApiV2LoadbalancersOptions = {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 loadBalancerListenerNameV2 = z.string().max(63);

export const loadBalancerListenerProtocolV2 = z.enum(["tcp", "udp"]);

export const ipv4Address = z.string();

export const loadBalancerMemberV2 = z.object({address: ipv4Address, port: z.number().int().gte(1).lte(65535)});

export const loadBalancerHealthCheckV2 = z.object({intervalSeconds: z.number().int().gte(1).lte(300).optional(), timeoutSeconds: z.number().int().gte(1).lte(300).optional(), healthyThreshold: z.number().int().gte(1).lte(10).optional(), unhealthyThreshold: z.number().int().gte(1).lte(10).optional()});

export const loadBalancerPoolV2 = z.object({proxyProtocolV2: z.boolean().optional(), members: z.array(loadBalancerMemberV2), healthCheck: loadBalancerHealthCheckV2.optional()});

export const loadBalancerListenerV2 = z.object({name: loadBalancerListenerNameV2, protocol: loadBalancerListenerProtocolV2, port: z.number().int().gte(1).lte(65535), allowedCidrs: z.array(z.string()).optional(), idleTimeoutSeconds: z.number().int().gte(1).lte(86400).optional(), pool: loadBalancerPoolV2});

export const loadBalancerV2Spec = z.object({publicIP: z.boolean().optional(), listeners: z.array(loadBalancerListenerV2)});

export const loadBalancerV2Status = z.object({regionId: z.string(), networkId: z.string(), vipAddress: ipv4Address.optional(), publicIP: ipv4Address.optional()});

export const loadBalancerV2Read = z.object({metadata: projectScopedResourceReadMetadata, spec: loadBalancerV2Spec, status: loadBalancerV2Status});

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 load balancer
 * 
 * POST /api/v2/loadbalancers
 */
export const createApiApiV2Loadbalancers = async (args: CreateApiApiV2LoadbalancersArgs, options: CreateApiApiV2LoadbalancersOptions) => {
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/loadbalancers${query.size > 0 ? `?${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(loadBalancerV2Read, await res.json())
};