import {z} from 'zod'

export type GetApiProjectsProjectIdNetworkingLoadBalancersArgs = {project_id: string, location?: string | undefined, vpc_network_id?: string | undefined, name?: string | undefined};

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

export const healthCheckOptionsExternalLB = z.object({failure_count: z.number().int(), interval: z.number().int(), success_count: z.number().int(), timeout: z.number().int()});

export const backend = z.object({ip: z.string(), port: z.number().int(), status: z.string()});

export const listenPortAndBackend = z.object({backends: z.array(backend), listen_port: z.number().int()});

export const externalLoadBalancer = z.object({health_check_options: healthCheckOptionsExternalLB, id: z.string(), listen_ports_and_backends: z.array(listenPortAndBackend), location: z.string(), name: z.string(), project_id: z.string(), protocol: z.string(), vip: z.string(), vpc_id: z.string()});

export const listExternalLoadBalancersResponse = z.object({items: z.array(externalLoadBalancer)});

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
};

/**
 * Lists all external load balancers in the project and returns their details.
 * 
 * GET /projects/{project_id}/networking/load-balancers
 */
export const getApiProjectsProjectIdNetworkingLoadBalancers = async (args: GetApiProjectsProjectIdNetworkingLoadBalancersArgs, options?: GetApiProjectsProjectIdNetworkingLoadBalancersOptions) => {
const {baseUrl = "https://api.cloud.crusoe.ai/v1", fetch: fetchFn = fetch} = options ?? {}

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

if (args.location != null) query.append("location", String(args.location))
if (args.vpc_network_id != null) query.append("vpc_network_id", String(args.vpc_network_id))
if (args.name != null) query.append("name", String(args.name))

const url = `${baseUrl.replace(/\/+$/, '')}/projects/${encodeURIComponent(String(args.project_id))}/networking/load-balancers${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(listExternalLoadBalancersResponse, await res.json())
};