import {z} from 'zod'

export type GetApiV1ReferenceNumberReferenceNumberArgs = {auditUser: string, referenceNumber: string};

export type GetApiV1ReferenceNumberReferenceNumberOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const currency = z.string();

export const amount = z.number();

export const createdDate = z.string();

export const dueDate = z.string();

export const id = z.string();

export const paidAmount = z.number();

export const paymentReference = z.object({number: z.string().optional(), type: z.enum(["MOD10", "FINNISH_7_3_1", "CUSTOMER_SPECIFIC"])});

export const datePeriod = z.object({start: z.string().optional(), end: z.string().optional()});

export const status = z.enum(["CLOSED", "OPEN", "OVERDUE", "PAID", "PAID_PARTIALLY", "WRITE-OFF"]);

export const dunningStatus = z.enum(["WAIT", "REMINDER1_SENT", "CARD_BLOCKED", "REMINDER2_SENT", "REMINDER3_SENT", "REMINDER4_SENT", "REMINDER5_SENT", "REMINDER6_SENT", "REMINDER7_SENT", "SENT_TO_COLLECTION", "STOPPED", "DONE"]);

export const dunning = z.object({dunningStatus: dunningStatus.optional(), reminder1TriggerDate: z.string().optional(), blockTriggerDate: z.string().optional(), reminder2TriggerDate: z.string().optional(), collectionTriggerDate: z.string().optional()});

export const invoiceNumber = z.string();

export const accountId = z.string();

export const invoiceResponse = z.object({currency: currency.optional(), amount: amount.optional(), createdDate: createdDate.optional(), dueDate: dueDate.optional(), id: id.optional(), paidAmount: paidAmount.optional(), paymentReference: paymentReference.optional(), period: datePeriod.optional(), status: status.optional(), dunning: dunning.optional(), invoiceNumber: invoiceNumber.optional(), accountId: accountId.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
};

/**
 * Get invoice for given reference number
 * 
 * GET /v1/referenceNumber/{referenceNumber}
 */
export const getApiV1ReferenceNumberReferenceNumber = async (args: GetApiV1ReferenceNumberReferenceNumberArgs, options: GetApiV1ReferenceNumberReferenceNumberOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.auditUser != null) query.append("auditUser", String(args.auditUser))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/referenceNumber/${encodeURIComponent(String(args.referenceNumber))}${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(invoiceResponse, await res.json())
};