import {z} from 'zod'

export type LeagueID = string;

export type PerMode = string;

export type PlayerOrTeam = 'Player' | 'Team';

export type Season = string;

export type SeasonType = string;

export type GetApiAssistleadersArgs = {LeagueID: LeagueID, PerMode: PerMode, PlayerOrTeam: PlayerOrTeam, Season: Season, SeasonType: SeasonType};

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

export const getApiAssistleadersResponse = z.object({parameters: z.object({LeagueID: z.literal("$request.query.LeagueID").optional(), PerMode: z.literal("$request.query.PerMode").optional(), PlayerOrTeam: z.literal("$request.query.PlayerOrTeam").optional(), Season: z.literal("$request.query.Season").optional(), SeasonType: z.literal("$request.query.SeasonType").optional()}).optional(), resource: z.literal("assistleaders").optional(), resultSets: z.array(z.unknown()).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
};

/**
 * AssistLeaders
 * 
 * GET /assistleaders
 */
export const getApiAssistleaders = async (args: GetApiAssistleadersArgs, options?: GetApiAssistleadersOptions) => {
const {baseUrl = "https://stats.nba.com/stats", fetch: fetchFn = fetch} = options ?? {}

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

if (args.LeagueID != null) query.append("LeagueID", String(args.LeagueID))
if (args.PerMode != null) query.append("PerMode", String(args.PerMode))
if (args.PlayerOrTeam != null) query.append("PlayerOrTeam", String(args.PlayerOrTeam))
if (args.Season != null) query.append("Season", String(args.Season))
if (args.SeasonType != null) query.append("SeasonType", String(args.SeasonType))

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