import {z} from 'zod'

export type GetApiReturnRequestsArgs = {limit?: number | undefined, starting_after?: string | undefined, sort_order?: ('asc' | 'desc') | undefined, connected_account_id?: string | undefined, type?: ('sepa' | 'sepa_instant') | undefined, status?: ('received' | 'sent' | 'accepted' | 'rejected' | 'pending' | 'denied') | undefined, return_reason?: string | undefined, related_payment_id?: string | undefined, related_payment_type?: ('payment_order' | 'incoming_payment') | undefined, start_date?: string | undefined, end_date?: string | undefined, start_value_date?: string | undefined, end_value_date?: string | undefined, file_id?: string | undefined};

export type GetApiReturnRequestsOptions = {baseUrl?: string | undefined, sec0?: string | undefined, fetch?: typeof fetch | undefined};

export const returnRequestDetails = z.object({id: z.string(), object: z.literal("return_request"), type: z.enum(["sepa", "sepa_instant"]), connected_account_id: z.string(), related_payment_id: z.string(), related_payment_type: z.enum(["payment_order", "incoming_payment"]), return_reason: z.string(), status: z.enum(["received", "accepted", "denied", "rejected", "pending", "failed", "sent"]), status_details: z.string(), metadata: z.object({}), bank_data: z.object({file_id: z.string(), message_id: z.string(), transaction_id: z.string(), end_to_end_id: z.string()}), created_at: z.string(), additional_information: z.array(z.string())});

export const returnRequestSearchResult = z.object({records: z.array(returnRequestDetails).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
};

/**
 * List return requests
 * 
 * GET /return_requests
 */
export const getApiReturnRequests = async (args: GetApiReturnRequestsArgs, options?: GetApiReturnRequestsOptions) => {
const {baseUrl = "https://sandbox.numeral.io/v1", fetch: fetchFn = fetch, sec0} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.starting_after != null) query.append("starting_after", String(args.starting_after))
if (args.sort_order != null) query.append("sort_order", String(args.sort_order))
if (args.connected_account_id != null) query.append("connected_account_id", String(args.connected_account_id))
if (args.type != null) query.append("type", String(args.type))
if (args.status != null) query.append("status", String(args.status))
if (args.return_reason != null) query.append("return_reason", String(args.return_reason))
if (args.related_payment_id != null) query.append("related_payment_id", String(args.related_payment_id))
if (args.related_payment_type != null) query.append("related_payment_type", String(args.related_payment_type))
if (args.start_date != null) query.append("start_date", String(args.start_date))
if (args.end_date != null) query.append("end_date", String(args.end_date))
if (args.start_value_date != null) query.append("start_value_date", String(args.start_value_date))
if (args.end_value_date != null) query.append("end_value_date", String(args.end_value_date))
if (args.file_id != null) query.append("file_id", String(args.file_id))
if (sec0 !== undefined) headers.set("x-api-key", sec0)

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

const res = await fetchFn(url, {method: "GET", headers})

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

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