import {z} from 'zod'

export type GetApiV1PointsSummaryArgs = {address: unknown};

export type GetApiV1PointsSummaryOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const pointsTier = z.union([z.literal(0), z.literal(1), z.literal(2), z.literal(3), z.literal(4), z.literal(5)]);

export const pointsSeasonSummaryDto = z.object({address: z.string(), createdAt: z.number().int(), id: z.string(), previousRank: z.number().int(), previousReferralPoints: z.string(), previousTotalPoints: z.string(), rank: z.number().int(), referralPoints: z.string(), season: z.number().int(), tier: pointsTier, totalPoints: z.string(), updatedAt: z.number().int()});

export const listOfPointsSeasonSummariesDtos = z.object({data: z.array(pointsSeasonSummaryDto)});

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
};

/**
 * Returns a list of points season summaries for a given address
 * 
 * GET /v1/points/summary
 */
export const getApiV1PointsSummary = async (args: GetApiV1PointsSummaryArgs, options?: GetApiV1PointsSummaryOptions) => {
const {baseUrl = "https://api.ethereal.trade", fetch: fetchFn = fetch} = options ?? {}

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

if (args.address != null) query.append("address", String(args.address))

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