import {z} from 'zod'

export type CoreWeaveAuth = Record<string, never>;

export type WeightsAndBiasesAuth = {apiKey?: string | undefined, serverUrl?: string | undefined, enableUsageReports?: boolean | undefined, enableRateLimiting?: boolean | undefined};

export type EndpointConfiguration = {additionalDns?: Array<string> | undefined};

export type BodyBasedRouting = {apiType: 'API_TYPE_OPENAI'};

export type HeaderBasedRouting = {headerName: string};

export type PathBasedRouting = Record<string, never>;

export type UpdateGatewayRequest = {id: string, name: string, zones?: Array<string> | undefined, coreWeaveAuth?: CoreWeaveAuth | undefined, weightsAndBiasesAuth?: WeightsAndBiasesAuth | undefined, endpointConfiguration?: EndpointConfiguration | undefined, bodyBasedRouting?: BodyBasedRouting | undefined, headerBasedRouting?: HeaderBasedRouting | undefined, pathBasedRouting?: PathBasedRouting | undefined};

export type PatchApiV1alpha1InferenceGatewaysIdArgs = {id: string, body: UpdateGatewayRequest};

export type PatchApiV1alpha1InferenceGatewaysIdOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const coreWeaveAuth = z.object({});

export const weightsAndBiasesAuth = z.object({apiKey: z.string().optional(), serverUrl: z.string().optional(), enableUsageReports: z.boolean().optional(), enableRateLimiting: z.boolean().optional()});

export const endpointConfiguration = z.object({additionalDns: z.array(z.string()).optional()});

export const bodyBasedRouting = z.object({apiType: z.literal("API_TYPE_OPENAI")});

export const headerBasedRouting = z.object({headerName: z.string()});

export const pathBasedRouting = z.object({});

export const gatewaySpec = z.object({id: z.string().optional(), name: z.string().optional(), zones: z.array(z.string()).optional(), coreWeaveAuth: coreWeaveAuth.optional(), weightsAndBiasesAuth: weightsAndBiasesAuth.optional(), organizationId: z.string().optional(), endpointConfiguration: endpointConfiguration.optional(), bodyBasedRouting: bodyBasedRouting.optional(), headerBasedRouting: headerBasedRouting.optional(), pathBasedRouting: pathBasedRouting.optional()});

export const condition = z.object({type: z.string().optional(), lastUpdateTime: z.string().optional(), reason: z.string().optional(), message: z.string().optional(), zone: z.string().optional(), status: z.enum(["True", "False", "Unknown"]).optional()});

export const gatewayStatus = z.object({createdAt: z.string().optional(), updatedAt: z.string().optional(), conditions: z.array(condition).optional(), endpoints: z.array(z.string()).optional(), status: z.enum(["STATUS_CREATING", "STATUS_READY", "STATUS_UPDATING", "STATUS_DELETING", "STATUS_ERROR"]).optional()});

export const gateway = z.object({spec: gatewaySpec.optional(), status: gatewayStatus.optional()});

export const updateGatewayResponse = z.object({gateway: gateway.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
};

/**
 * Update gateway
 * 
 * PATCH /v1alpha1/inference/gateways/{id}
 */
export const patchApiV1alpha1InferenceGatewaysId = async (args: PatchApiV1alpha1InferenceGatewaysIdArgs, options?: PatchApiV1alpha1InferenceGatewaysIdOptions) => {
const {baseUrl = "https://api.coreweave.com", 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 = `${baseUrl.replace(/\/+$/, '')}/v1alpha1/inference/gateways/${encodeURIComponent(String(args.id))}${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(updateGatewayResponse, await res.json())
};