import {z} from 'zod'

export type GetApiV1PublicLeaderboardArgs = {suite_id?: (number | null) | undefined, score_type?: string | undefined, limit?: number | undefined, offset?: number | undefined, q?: (string | null) | undefined};

export type GetApiV1PublicLeaderboardOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const safeEnvironmentMetadata = z.object({display_name: z.string(), catalog_epoch: z.string(), contract_version: z.string(), runtime_version: z.string(), result_schema_version: z.string()});

export const suitePublic = z.object({suite_id: z.number().int(), suite_version: z.number().int(), is_active: z.boolean(), execution_kind: z.enum(["legacy_shoppingbench", "envpack"]).optional(), environment: safeEnvironmentMetadata.nullable().optional(), benchmark_name: z.string().nullable().optional(), benchmark_number: z.number().int().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 leaderboardEntry = z.object({rank: z.number().int(), agent_version_id: z.string(), agent_name: z.string(), miner_hotkey: z.string(), version_number: z.number().int(), final_score: z.number(), race_score: z.number().nullable().optional(), eligible_at: z.string().nullable().optional(), is_discarded: z.boolean().optional(), is_miner_banned: z.boolean().optional(), is_current_top: z.boolean().optional(), was_top: z.boolean().optional(), top_at: z.string().nullable().optional(), is_active_qualifier: z.boolean().optional(), outranked_by_agent_version_id: z.string().nullable().optional(), eliminated_at: z.string().nullable().optional(), weighted_score: z.number().nullable().optional(), window: z.array(pooledWindowRace).nullable().optional()});

export const leaderboardResponse = z.object({total: z.number().int(), limit: z.number().int(), offset: z.number().int(), suite: suitePublic, entries: z.array(leaderboardEntry), unique_miners: z.number().int(), agents_submitted_24h: z.number().int().optional(), challenge_threshold: z.number().nullable().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 leaderboard
 * 
 * GET /v1/public/leaderboard
 */
export const getApiV1PublicLeaderboard = async (args: GetApiV1PublicLeaderboardArgs, options: GetApiV1PublicLeaderboardOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.suite_id != null) query.append("suite_id", String(args.suite_id))
if (args.score_type != null) query.append("score_type", String(args.score_type))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.q != null) query.append("q", String(args.q))

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