import {z} from 'zod'

export type BusinessUnitId = number;

export type PartnerId = number;

export type ContractIdentifier = string;

export type Value = number;

export type MerchantAccountKey = string;

export type Identifier = string;

export type InitiationType = number;

export type CreateApiGeneratePurchaseClosedLoopArgs = {body: {Method: string, BusinessUnitId: BusinessUnitId, PartnerId: PartnerId, ContractIdentifier: ContractIdentifier, Value: Value, MerchantAccountKey: MerchantAccountKey, Identifier: Identifier, InitiationType: InitiationType}};

export type CreateApiGeneratePurchaseClosedLoopOptions = {baseUrl?: string | undefined, BASE64UsernamePassword?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const success = z.boolean();

export const message = z.string();

export const transactionIdentifier = z.string();

export const transactionCode = z.string();

export const generateClosedLoopTransactionCode = z.object({Success: success.optional(), Message: message.optional(), TransactionIdentifier: transactionIdentifier.optional(), TransactionCode: transactionCode.optional()});

export const hash = z.string();

export const image = z.string();

export const generateClosedLoopdTransactionQRCode = z.object({Success: success.optional(), Message: message.optional(), TransactionIdentifier: transactionIdentifier.optional(), Hash: hash.optional(), Image: image.optional()});

export const createApiGeneratePurchaseClosedLoopResponse = z.union([generateClosedLoopTransactionCode, generateClosedLoopdTransactionQRCode]);

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
};

/**
 * Purchase Transaction
 * 
 * POST /GeneratePurchaseClosedLoop
 */
export const createApiGeneratePurchaseClosedLoop = async (args: CreateApiGeneratePurchaseClosedLoopArgs, options?: CreateApiGeneratePurchaseClosedLoopOptions) => {
const {baseUrl = "https://sandboxapi.fitbank.com.br/main/execute", fetch: fetchFn = fetch, BASE64UsernamePassword} = options ?? {}

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

if (BASE64UsernamePassword !== undefined) headers.set('authorization', `Basic ${btoa(`${BASE64UsernamePassword.username}:${BASE64UsernamePassword.password}`)}`)

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