import {z} from 'zod'

export type GetApiApiV1LeaderboardArgs = {domain?: string | undefined, q?: string | undefined, limit?: number | undefined, offset?: number | undefined};

export type GetApiApiV1LeaderboardOptions = {baseUrl: string, bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const leaderboardDomainDto = z.object({code: z.string().nullable(), slug: z.string(), name: z.string()});

export const leaderboardPaginationDto = z.object({limit: z.number().int(), offset: z.number().int(), total: z.number().int(), has_more: z.boolean()});

export const leaderboardCountryDto = z.object({code: z.string(), name: z.string()});

export const leaderboardUserLinksDto = z.object({homepage: z.string().nullable(), github: z.string().nullable(), x: z.string().nullable(), linkedin: z.string().nullable()});

export const leaderboardUserStatsDto = z.object({submissions: z.number().int(), best_win_rate_pct: z.number().nullable(), data_points: z.number().int()});

export const leaderboardUserDto = z.object({user_id: z.string(), display_name: z.string().nullable(), avatar_url: z.string().nullable(), bio: z.string().nullable(), country: leaderboardCountryDto.nullable(), links: leaderboardUserLinksDto, stats: leaderboardUserStatsDto});

export const leaderboardBaseModelDto = z.object({display_name: z.string(), family: z.string().nullable(), size: z.string().nullable()});

export const leaderboardModelDto = z.object({name: z.string(), base_model: leaderboardBaseModelDto.nullable()});

export const leaderboardScoreDto = z.object({domain_win_rate_pct: z.number(), normalized_score: z.number().nullable(), percentile: z.number().int().nullable(), task_win_rate_pct: z.number().nullable()});

export const leaderboardDatasetDto = z.object({name: z.string().nullable(), rows_before: z.number().int().nullable(), rows_after: z.number().int().nullable(), huggingface_url: z.string().nullable(), kaggle_url: z.string().nullable()});

export const leaderboardRowDto = z.object({rank: z.number().int(), user: leaderboardUserDto, model: leaderboardModelDto, alignment: z.boolean(), score: leaderboardScoreDto, dataset: leaderboardDatasetDto, model_huggingface_url: z.string().nullable(), model_kaggle_url: z.string().nullable(), completed_at: z.string().nullable(), domain: leaderboardDomainDto});

export const leaderboardResponseDto = z.object({domain: leaderboardDomainDto.nullable(), pagination: leaderboardPaginationDto, data: z.array(leaderboardRowDto), generated_at: z.string().nullable()});

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
};

/**
 * Top users for one domain, by best AutoScientist run
 * 
 * GET /api/v1/leaderboard
 */
export const getApiApiV1Leaderboard = async (args: GetApiApiV1LeaderboardArgs, options: GetApiApiV1LeaderboardOptions) => {
const {baseUrl, fetch: fetchFn = fetch, bearer} = options ?? {}

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

if (args.domain != null) query.append("domain", String(args.domain))
if (args.q != null) query.append("q", String(args.q))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (bearer !== undefined) headers.set('authorization', `Bearer ${bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/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(leaderboardResponseDto, await res.json())
};