import {z} from 'zod'

export type CreateApiGetTransactionStatusArgs = {body: {id: string}};

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

export const sha256 = z.string();

export const dateTime = z.string();

export const dateTimeSeconds = z.string();

export const transactionStatus = z.object({state: z.string(), block_number: z.number().int().optional(), block_id: sha256.optional(), block_timestamp: dateTime.optional(), expiration: dateTimeSeconds.optional(), head_number: z.number().int(), head_id: sha256, head_timestamp: dateTime, irreversible_number: z.number().int(), irreversible_id: sha256, irreversible_timestamp: dateTime, last_tracked_block_id: sha256});

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
};

/**
 * Attempts to get current blockchain state and, if available, transaction information given the transaction id. For query to work, the transaction finality status feature must be enabled by configuring the chain plugin with the config option '--transaction-finality-status-max-storage-size-gb' in nodeos.
 * 
 * POST /get_transaction_status
 */
export const createApiGetTransactionStatus = async (args: CreateApiGetTransactionStatusArgs, options?: CreateApiGetTransactionStatusOptions) => {
const {baseUrl = "https://wax.greymass.com/v1/chain", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/get_transaction_status${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(transactionStatus, await res.json())
};