import {z} from 'zod'

export type GetApiApiPublicV1Hip4OutcomesArgs = {hours?: number | undefined};

export type GetApiApiPublicV1Hip4OutcomesOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const parsedPriceBinary = z.object({class: z.string(), expiry: z.string().optional(), period: z.string(), targetPrice: z.number().optional(), underlying: z.string()});

export const hIP4OutcomeSide = z.object({assetId: z.number().int(), coinKey: z.string(), index: z.number().int(), name: z.string(), sideToken: z.string()});

export const hIP4OutcomeListItem = z.object({description: z.string().optional(), displayName: z.string().optional(), fills: z.number().int(), firstTraded: z.string().optional(), lastTraded: z.string().optional(), name: z.string().optional(), notionalUsdh: z.number().optional(), outcomeId: z.number().int(), priceBinary: parsedPriceBinary.optional(), sides: z.array(hIP4OutcomeSide).nullable(), uniqueWallets: z.number().int()});

export const listOutcomesBody = z.object({$schema: z.string().optional(), count: z.number().int(), outcomes: z.array(hIP4OutcomeListItem).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
};

/**
 * Get API public v1 hip4 outcomes
 * 
 * GET /api/public/v1/hip4/outcomes
 */
export const getApiApiPublicV1Hip4Outcomes = async (args: GetApiApiPublicV1Hip4OutcomesArgs, options?: GetApiApiPublicV1Hip4OutcomesOptions) => {
const {baseUrl = "https://api.coinversa.ai", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/public/v1/hip4/outcomes${query.size > 0 ? `?${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(listOutcomesBody, await res.json())
};