import {z} from 'zod'

export type PointsComparison = 'gt' | 'gte' | 'lt' | 'lte' | 'eq' | 'ne';

export type GetApiV1LeaderboardsPointsArgs = {pointsComparison?: PointsComparison | undefined, leaderboardId?: string | undefined, userId?: string | undefined, asc?: boolean | undefined, start?: string | undefined, limit?: number | undefined, points?: number | undefined};

export type GetApiV1LeaderboardsPointsOptions = {baseUrl: string, accessToken?: string | undefined, fetch?: typeof fetch | undefined};

export const fundsUpdatedReasons = z.enum(["free_gift", "host_cut", "referrer_cut", "parent_cut", "transaction_voided", "game_played", "game_outcome", "pending_outcome", "purchase", "redeem", "refund", "payout", "admin_update", "distributor_cut", "achievement"]);

export const leaderboardPoints = z.object({reason: fundsUpdatedReasons, points: z.number(), leaderboardId: z.string(), userId: z.string(), updatedAt: z.string(), distributorId: z.string(), version: z.number(), gamesDeclared: z.number(), gamesCorrectAnswers: z.number()});

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 /v1/leaderboards/points
 */
export const getApiV1LeaderboardsPoints = async (args: GetApiV1LeaderboardsPointsArgs, options: GetApiV1LeaderboardsPointsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, accessToken} = options ?? {}

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

if (args.pointsComparison != null) query.append("pointsComparison", String(args.pointsComparison))
if (args.leaderboardId != null) query.append("leaderboardId", String(args.leaderboardId))
if (args.userId != null) query.append("userId", String(args.userId))
if (args.asc != null) query.append("asc", String(args.asc))
if (args.start != null) query.append("start", String(args.start))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.points != null) query.append("points", String(args.points))
if (accessToken !== undefined) headers.set('authorization', `Bearer ${accessToken}`)

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