import {z} from 'zod'

export type GetApiContestsReferralContestIdArgs = {contest_id: number, leaderboard_limit?: number | undefined};

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

export const referralContestLeaderboardItem = z.object({user_id: z.number().int(), telegram_id: z.number().int().nullable().optional(), username: z.string().nullable().optional(), full_name: z.string().nullable().optional(), referrals_count: z.number().int(), total_amount_kopeks: z.number().int(), total_amount_rubles: z.number()});

export const referralContestDetailResponse = z.object({id: z.number().int(), title: z.string(), description: z.string().nullable().optional(), prize_text: z.string().nullable().optional(), contest_type: z.string(), start_at: z.string(), end_at: z.string(), daily_summary_time: z.string(), daily_summary_times: z.string().nullable().optional(), timezone: z.string(), is_active: z.boolean(), last_daily_summary_date: z.string().nullable().optional(), last_daily_summary_at: z.string().nullable().optional(), final_summary_sent: z.boolean(), created_by: z.number().int().nullable().optional(), created_at: z.string(), updated_at: z.string(), total_events: z.number().int().nullable().optional(), leaderboard: z.array(referralContestLeaderboardItem).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 Referral
 * 
 * GET /contests/referral/{contest_id}
 */
export const getApiContestsReferralContestId = async (args: GetApiContestsReferralContestIdArgs, options: GetApiContestsReferralContestIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (args.leaderboard_limit != null) query.append("leaderboard_limit", String(args.leaderboard_limit))
if (APIKeyHeader !== undefined) headers.set("X-API-Key", APIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/contests/referral/${encodeURIComponent(String(args.contest_id))}${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(referralContestDetailResponse, await res.json())
};