import {z} from 'zod'

export type GetApiDiV1LogsModelIdLoglinesArgs = {model_id: unknown, searchType?: ('TERM' | 'NESTED' | 'MATCH') | undefined, since_time?: unknown | undefined, pagesize?: number | undefined, pos?: number | undefined, version?: string | undefined};

export type GetApiDiV1LogsModelIdLoglinesOptions = {baseUrl?: string | undefined, basicAuthToken?: string | undefined, fetch?: typeof fetch | undefined};

export const v1MetaInfo = z.object({training_id: z.string().optional(), user_id: z.string().optional(), time: z.number().optional(), rindex: z.number().optional()});

export const v1LogLine = z.object({meta: v1MetaInfo.optional(), line: z.string().optional()});

export const v1LogLinesList = z.object({models: z.array(v1LogLine).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 loglines, based on query
 * 
 * GET /di/v1/logs/{model_id}/loglines
 * 
 * Also accepts auth: watsonAuthToken, watsonAuthTokenQuery
 */
export const getApiDiV1LogsModelIdLoglines = async (args: GetApiDiV1LogsModelIdLoglinesArgs, options?: GetApiDiV1LogsModelIdLoglinesOptions) => {
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 (args.searchType != null) query.append("searchType", String(args.searchType))
if (args.since_time != null) query.append("since_time", String(args.since_time))
if (args.pagesize != null) query.append("pagesize", String(args.pagesize))
if (args.pos != null) query.append("pos", String(args.pos))
if (args.version != null) query.append("version", String(args.version))
if (basicAuthToken !== undefined) headers.set("Authorization", basicAuthToken)

const url = `${baseUrl.replace(/\/+$/, '')}/di/v1/logs/${encodeURIComponent(String(args.model_id))}/loglines${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(v1LogLinesList, await res.json())
};