import {z} from 'zod'

export type GetApiV1alpha1InferenceDeploymentsParametersArgs = {gatewayIds?: Array<string> | undefined};

export type GetApiV1alpha1InferenceDeploymentsParametersOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const deploymentRuntimeParametersRuntimeVersions = z.object({versions: z.array(z.string()).optional()});

export const deploymentRuntimeParametersRuntimeConfigOptions = z.object({allowedKeys: z.array(z.string()).optional()});

export const deploymentRuntimeParametersEngineEnvOptions = z.object({allowedNames: z.array(z.string()).optional()});

export const deploymentRuntimeParameters = z.object({runtimeVersions: z.record(z.string(), deploymentRuntimeParametersRuntimeVersions).optional(), runtimeConfigOptions: z.record(z.string(), deploymentRuntimeParametersRuntimeConfigOptions).optional(), engineEnvOptions: z.record(z.string(), deploymentRuntimeParametersEngineEnvOptions).optional()});

export const deploymentResourceParameters = z.object({instanceTypes: z.array(z.string()).optional()});

export const getDeploymentParametersResponse = z.object({gatewayIds: z.array(z.string()), runtimeParameters: deploymentRuntimeParameters.optional(), resourceParameters: deploymentResourceParameters.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
};

/**
 * Get deployment parameters
 * 
 * GET /v1alpha1/inference/deployments/parameters
 */
export const getApiV1alpha1InferenceDeploymentsParameters = async (args: GetApiV1alpha1InferenceDeploymentsParametersArgs, options?: GetApiV1alpha1InferenceDeploymentsParametersOptions) => {
const {baseUrl = "https://api.coreweave.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

for (const item of args.gatewayIds ?? []) query.append("gatewayIds", String(item))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1alpha1/inference/deployments/parameters${query.size > 0 ? `?${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(getDeploymentParametersResponse, await res.json())
};