import {z} from 'zod'

export type PublicAugmentDto = {domain_rows?: number | undefined, general_rows?: number | undefined, similar_rows?: number | undefined, fill_to_recommended?: boolean | undefined, training_type?: ('instruction_dataset' | 'preference_pairs') | undefined, estimate?: boolean | undefined, idempotency_key?: string | undefined};

export type CreateApiApiV1DatasetsDatasetIdAugmentArgs = {dataset_id: string, body: PublicAugmentDto};

export type CreateApiApiV1DatasetsDatasetIdAugmentOptions = {baseUrl: string, bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const publicAugmentResponseDto = z.object({dataset_id: z.string().nullable(), status: z.enum(["pending", "running", "awaiting_input", "succeeded", "failed"]).nullable(), domain_rows: z.number(), general_rows: z.number(), estimated_credits_consumed: z.number(), estimate: z.boolean()});

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
};

/**
 * Add rows to a dataset from the curated pool
 * 
 * POST /api/v1/datasets/{dataset_id}/augment
 */
export const createApiApiV1DatasetsDatasetIdAugment = async (args: CreateApiApiV1DatasetsDatasetIdAugmentArgs, options: CreateApiApiV1DatasetsDatasetIdAugmentOptions) => {
const {baseUrl, fetch: fetchFn = fetch, bearer} = options ?? {}

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

if (bearer !== undefined) headers.set('authorization', `Bearer ${bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/datasets/${encodeURIComponent(String(args.dataset_id))}/augment${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", 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(publicAugmentResponseDto, await res.json())
};