import {z} from 'zod'

export type GetApiDedicatedBetaEndpointArgs = {project_id?: (string | null) | undefined, cursor?: (string | null) | undefined, limit?: (number | null) | undefined, 'X-Friendli-Team'?: (string | null) | undefined};

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

export const inferenceDeploymentStatus = z.enum(["UNKNOWN", "INITIALIZING", "RUNNING", "UPDATING", "SLEEPING", "AWAKING", "FAILED", "STOPPING", "TERMINATING", "TERMINATED", "READY"]);

export const inferenceDeploymentErrorCode = z.enum(["WORKLOAD_INIT_UNKNOWN_ERROR", "WORKLOAD_INIT_SETTINGS_ERROR", "WORKLOAD_INIT_GRPC_ERROR", "WORKLOAD_INIT_MANIFEST_NOT_FOUND_ERROR", "WORKLOAD_INIT_MANIFEST_TYPE_ERROR", "WORKLOAD_INIT_DOWNLOAD_ERROR", "WORKLOAD_INIT_INVALID_TOKEN_ERROR", "WORKLOAD_INIT_CANNOT_ACCESS_REPO_ERROR", "WORKLOAD_INIT_HF_WANDB_API_ERROR", "WORKLOAD_INIT_INSUFFICIENT_DISK_ERROR", "INFERENCE_ENGINE_UNKNOWN_ERROR", "INFERENCE_ENGINE_INVALID_ARGUMENT_ERROR", "INFERENCE_ENGINE_MEMORY_ERROR", "INFERENCE_ENGINE_METERING_CLIENT_CONFIG_ERROR"]);

export const dedicatedEndpointStatus = z.object({status: inferenceDeploymentStatus, errorCode: inferenceDeploymentErrorCode.nullable().optional(), createdAt: z.string(), updatedAt: z.string().nullable().optional(), phase: z.enum(["REQUESTING_VIRTUAL_MACHINE", "DOWNLOADING_MODEL", "ENGINE_INITIALIZING"]).nullable().optional()});

export const dedicatedEndpointListResponse = z.object({data: z.record(z.string(), dedicatedEndpointStatus).optional(), nextCursor: z.string().nullable().optional()});

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 all endpoints
 * 
 * GET /dedicated/beta/endpoint
 */
export const getApiDedicatedBetaEndpoint = async (args: GetApiDedicatedBetaEndpointArgs, options?: GetApiDedicatedBetaEndpointOptions) => {
const {baseUrl = "https://api.friendli.ai", fetch: fetchFn = fetch, token} = options ?? {}

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

if (args.project_id != null) query.append("project_id", String(args.project_id))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (args.limit != null) query.append("limit", String(args.limit))
if (args['X-Friendli-Team'] != null) headers.set("X-Friendli-Team", String(args['X-Friendli-Team']))
if (token !== undefined) headers.set('authorization', `Bearer ${token}`)

const url = `${baseUrl.replace(/\/+$/, '')}/dedicated/beta/endpoint${query.size > 0 ? `?${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(dedicatedEndpointListResponse, await res.json())
};