import {z} from 'zod'

export type CurrencyCode = string;

export type RoundedMonetaryAmount = {amount: string, currency: CurrencyCode};

export type ExternalReference = {type: string, id: string, url?: string | undefined};

export type CreateBankTransactionRequest = {bank_account_id: string, date: string, name: string, merchant: string, net_amount: RoundedMonetaryAmount, fee?: RoundedMonetaryAmount | undefined, pending?: boolean | undefined, excluded?: boolean | undefined, external_references?: Array<ExternalReference> | undefined};

export type CreateApiBankTransactionsArgs = {body: CreateBankTransactionRequest};

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

export const currencyCode = z.string();

export const roundedMonetaryAmount = z.object({amount: z.string(), currency: currencyCode});

export const externalReference = z.object({type: z.string(), id: z.string(), url: z.string().optional()});

export const paidTransaction = z.object({id: z.string(), type: z.enum(["INVOICE", "BILL", "CHARGE", "REIMBURSEMENT"])});

export const reconciledTransaction = z.object({id: z.string(), type: z.enum(["BILL", "CHARGE", "REIMBURSEMENT", "INVOICE", "CREDIT_MEMO", "VENDOR_CREDIT", "JOURNAL_ENTRY", "BANK_TRANSACTION"]), payment_id: z.string().optional(), amount: roundedMonetaryAmount.optional(), paid_transaction: paidTransaction.optional()});

export const bankTransaction = z.object({id: z.string(), bank_account_id: z.string(), subsidiary_id: z.string(), date: z.string(), name: z.string(), merchant: z.string(), net_amount: roundedMonetaryAmount, fee: roundedMonetaryAmount, pending: z.boolean(), excluded: z.boolean(), external_references: z.array(externalReference).optional(), reconciled_transactions: z.array(reconciledTransaction)});

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
};

/**
 * Creates a bank transaction
 * 
 * POST /bank-transactions
 */
export const createApiBankTransactions = async (args: CreateApiBankTransactionsArgs, options?: CreateApiBankTransactionsOptions) => {
const {baseUrl = "https://api.rillet.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

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