import {z} from 'zod'

export type CreditNoteCreateRequest = {invoice_id: string, amount: number, number?: string | undefined, reason_code: 'chargeback' | 'duplicate' | 'fraudulent' | 'requested_by_customer' | 'missing_remittance' | 'overpayment_on_invoice' | 'invoice_was_refunded' | 'double_payment_on_invoice' | 'missing_invoice_in_resolve' | 'credit_transfer' | 'other', reason_message?: string | undefined, credit_note_url?: string | undefined};

export type CreateApiCreditNotesArgs = {body: CreditNoteCreateRequest};

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

export const creditNoteAction = z.object({status: z.enum(["pending", "processing", "failed", "completed"]).optional()});

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
};

/**
 * Create a credit note
 * 
 * POST /credit-notes
 * 
 * Also accepts auth: basicAuth
 */
export const createApiCreditNotes = async (args: CreateApiCreditNotesArgs, options?: CreateApiCreditNotesOptions) => {
const {baseUrl = "https://app-sandbox.resolvepay.com/api", 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 = `${baseUrl.replace(/\/+$/, '')}/credit-notes${query.size > 0 ? `?${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(creditNoteAction, await res.json())
};