import {z} from 'zod'

export type UpdateAutoscalingSettingsV1 = {min_replica?: (number | null) | undefined, max_replica?: (number | null) | undefined, autoscaling_window?: (number | null) | undefined, scale_down_delay?: (number | null) | undefined, concurrency_target?: (number | null) | undefined, target_utilization_percentage?: (number | null) | undefined, target_in_flight_tokens?: (number | null) | undefined, max_scale_down_rate?: (number | null) | undefined};

export type PatchApiV1ModelsModelIdDeploymentsDevelopmentAutoscalingSettingsArgs = {body: UpdateAutoscalingSettingsV1};

export type PatchApiV1ModelsModelIdDeploymentsDevelopmentAutoscalingSettingsOptions = {baseUrl: string, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const updateAutoscalingSettingsStatusV1 = z.enum(["ACCEPTED", "QUEUED", "UNCHANGED"]);

export const updateAutoscalingSettingsResponseV1 = z.object({status: updateAutoscalingSettingsStatusV1, message: 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
};

/**
 * Updates a development deployment's autoscaling settings
 * 
 * PATCH /v1/models/{model_id}/deployments/development/autoscaling_settings
 */
export const patchApiV1ModelsModelIdDeploymentsDevelopmentAutoscalingSettings = async (args: PatchApiV1ModelsModelIdDeploymentsDevelopmentAutoscalingSettingsArgs, options: PatchApiV1ModelsModelIdDeploymentsDevelopmentAutoscalingSettingsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/models/${encodeURIComponent(String(args.model_id))}/deployments/development/autoscaling_settings${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PATCH", 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(updateAutoscalingSettingsResponseV1, await res.json())
};