import {z} from 'zod'

export type Address = unknown;

export type U64 = unknown;

export type EntryFunctionId = string;

export type MoveType = string;

export type HexEncodedBytes = unknown;

export type IdentifierWrapper = string;

export type MoveFunctionVisibility = 'private' | 'public' | 'friend';

export type MoveAbility = string;

export type MoveFunctionGenericTypeParam = {constraints: Array<MoveAbility>};

export type MoveFunction = {name: IdentifierWrapper, visibility: MoveFunctionVisibility, is_entry: boolean, is_view: boolean, generic_type_params: Array<MoveFunctionGenericTypeParam>, params: Array<MoveType>, return: Array<MoveType>};

export type MoveScriptBytecode = {bytecode: HexEncodedBytes, abi?: MoveFunction | undefined};

export type MultisigTransactionPayload = {type: 'entry_function_payload', function: EntryFunctionId, type_arguments: Array<MoveType>, arguments: Array<unknown>};

export type TransactionPayload = {type: 'entry_function_payload', function: EntryFunctionId, type_arguments: Array<MoveType>, arguments: Array<unknown>} | {type: 'script_payload', code: MoveScriptBytecode, type_arguments: Array<MoveType>, arguments: Array<unknown>} | {type: 'module_bundle_payload'} | {type: 'multisig_payload', multisig_address: Address, transaction_payload?: MultisigTransactionPayload | undefined};

export type EncodeSubmissionRequest = {sender: Address, sequence_number: U64, max_gas_amount: U64, gas_unit_price: U64, expiration_timestamp_secs: U64, payload: TransactionPayload, replay_protection_nonce?: U64 | undefined, secondary_signers?: Array<Address> | undefined};

export type CreateApiTransactionsEncodeSubmissionArgs = {body: EncodeSubmissionRequest};

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

export const hexEncodedBytes = z.string();

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
};

/**
 * Encode submission
 * 
 * POST /transactions/encode_submission
 */
export const createApiTransactionsEncodeSubmission = async (args: CreateApiTransactionsEncodeSubmissionArgs, options: CreateApiTransactionsEncodeSubmissionOptions) => {
const {baseUrl, 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 = `${baseUrl.replace(/\/+$/, '')}/transactions/encode_submission${query.size > 0 ? `?${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(hexEncodedBytes, await res.json())
};