import {z} from 'zod'

export type GetApiV1PublicRacesCurrentOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const racePublic = z.object({race_id: z.string(), suite_id: z.number().int(), race_number: z.number().int().nullable().optional(), status: z.string(), qualifying_closes_at: z.string().nullable().optional(), race_started_at: z.string().nullable().optional(), race_completed_at: z.string().nullable().optional(), winner_agent_version_id: z.string().nullable().optional(), winner_score: z.number().nullable().optional(), qualifying_threshold: z.number().nullable().optional(), winner_agent_name: z.string().nullable().optional(), qualifier_count: z.number().int().optional(), scored_count: z.number().int().nullable().optional(), top50_mean: z.number().nullable().optional(), top50_std: z.number().nullable().optional(), created_at: z.string().nullable().optional(), projected_completion_at: z.string().nullable().optional()});

export const pooledWindowRace = z.object({race_id: z.string(), race_number: z.number().int(), suite_id: z.number().int(), raw_score: z.number().nullable(), rank: z.number().int().nullable(), anchor: z.number(), delta: z.number(), is_seed: z.boolean()});

export const raceQualifierPublic = z.object({agent_version_id: z.string(), agent_name: z.string().nullable().optional(), miner_hotkey: z.string().nullable().optional(), version_number: z.number().int().optional(), qualification_type: z.string(), qualifying_score: z.number().nullable().optional(), race_score: z.number().nullable().optional(), eliminated_at: z.string().nullable().optional(), race_rank: z.number().int().nullable().optional(), is_discarded: z.boolean().optional(), weighted_score: z.number().nullable().optional(), window: z.array(pooledWindowRace).nullable().optional()});

export const raceCurrentResponse = z.object({race: racePublic.nullable().optional(), qualifiers: z.array(raceQualifierPublic).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 current race
 * 
 * GET /v1/public/races/current
 */
export const getApiV1PublicRacesCurrent = async (options: GetApiV1PublicRacesCurrentOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/public/races/current${query.size > 0 ? `?${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(raceCurrentResponse, await res.json())
};