import {z} from 'zod'

export type GetApiDiV2ExperimentExpIdArgs = {exp_id: string};

export type GetApiDiV2ExperimentExpIdOptions = {baseUrl?: string | undefined, basicAuthToken?: string | undefined, fetch?: typeof fetch | undefined};

export const deploySetting = z.object({can_deploy_as_offline_service: z.boolean().optional()});

export const dSSInfo = z.object({flow_name: z.string().optional(), flow_version: z.string().optional(), flow_id: z.number().optional(), project_name: z.string().optional(), project_id: z.number().optional(), workspace_name: z.string().optional(), workspace_id: z.number().int().optional()});

export const experimentWithoutPipeline = z.object({id: z.string().optional(), name: z.string().optional(), description: z.string().optional(), tags: z.array(z.string()).optional(), group_id: z.string().optional(), group_name: z.string().optional(), version_name: z.string().optional(), deploy_setting: deploySetting.optional(), dss_info: dSSInfo.optional(), source_system: z.enum(["MLSS", "DSS", "WTSS"]).optional(), create_user: z.string().optional(), create_time: z.string().optional(), update_user: z.string().optional(), update_time: z.string().optional(), latest_execute_time: z.string().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
};

/**
 * GetExperiment
 * 
 * GET /di/v2/experiment/{exp_id}
 * 
 * Also accepts auth: watsonAuthToken, watsonAuthTokenQuery
 */
export const getApiDiV2ExperimentExpId = async (args: GetApiDiV2ExperimentExpIdArgs, options?: GetApiDiV2ExperimentExpIdOptions) => {
const {baseUrl = "https://di.prophecis.com", fetch: fetchFn = fetch, basicAuthToken} = options ?? {}

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

if (basicAuthToken !== undefined) headers.set("Authorization", basicAuthToken)

const url = `${baseUrl.replace(/\/+$/, '')}/di/v2/experiment/${encodeURIComponent(String(args.exp_id))}${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(experimentWithoutPipeline, await res.json())
};