import {z} from 'zod'

export type GetApiMfV1ServiceIdArgs = {id: number};

export type GetApiMfV1ServiceIdOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const modelParameters = z.object({name: z.string().optional(), type: z.string().optional(), value: z.string().optional()});

export const modelParametersList = z.array(modelParameters);

export const serviceModel = z.object({id: z.number().optional(), model_name: z.string().optional(), model_type: z.string().optional(), position: z.number().int().optional(), creation_timestamp: z.string().optional(), user_id: z.number().optional(), group_id: z.number().optional(), service_id: z.number().optional(), reamrk: z.string().optional()});

export const serviceModelVersion = z.object({id: z.number().optional(), version: z.string(), creation_timestamp: z.string().optional(), latest_flag: z.number().int().optional(), source: z.string(), filepath: z.string(), model: serviceModel.optional()});

export const serviceModelVersions = z.array(serviceModelVersion);

export const getService = z.object({id: z.number().optional(), service_name: z.string().optional(), type: z.string().optional(), status: z.string().optional(), endpoint_type: z.string().optional(), parameters: modelParametersList.optional(), namespace: z.string().optional(), creation_timestamp: z.string().optional(), last_updated_timestamp: z.string().optional(), cpu: z.number().optional(), gpu: z.string().optional(), memory: z.number().optional(), user_id: z.number().optional(), group_id: z.number().optional(), log_path: z.string().optional(), remark: z.string().optional(), image: z.string().optional(), modelversion: serviceModelVersions.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 Service by Service Id
 * 
 * GET /mf/v1/service/{id}
 */
export const getApiMfV1ServiceId = async (args: GetApiMfV1ServiceIdArgs, options?: GetApiMfV1ServiceIdOptions) => {
const {baseUrl = "http://gateway.mlss.mf", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/mf/v1/service/${encodeURIComponent(String(args.id))}${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(getService, await res.json())
};