import {z} from 'zod'

export type CreateApiModelMediaScoreArgs = {authorization?: string | undefined, body: BodyInit};

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

export const contributionGroup = z.object({output_group: z.string().optional(), contributions: z.array(z.array(z.string()))});

export const scoreResponse = z.object({id: z.string().optional(), fields: z.array(z.string()).optional(), score: z.array(z.array(z.string())), featureShapleyContributions: z.object({features: z.array(z.string()), contributionGroups: z.array(contributionGroup)}).optional(), predictionIntervals: z.object({fields: z.array(z.string()), rows: z.array(z.array(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
};

/**
 * score_media_model_media_score_post
 * 
 * POST /model/media-score
 */
export const createApiModelMediaScore = async (args: CreateApiModelMediaScoreArgs, options?: CreateApiModelMediaScoreOptions) => {
const {baseUrl = "https://www.example.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.authorization != null) headers.set("authorization", String(args.authorization))

const url = `${baseUrl.replace(/\/+$/, '')}/model/media-score${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: args.body})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(scoreResponse, await res.json())
};