import {z} from 'zod'

export type GetApiInvoicesInvoiceIdRenderArgs = {invoice_id: string};

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

export const frequency = z.enum(["Weekly", "Bi-Weekly", "Monthly", "Bi-Monthly", "Quarterly"]);

export const appModelsInvoicesInvoiceStatus = z.enum(["draft", "issued", "paid", "partially paid", "overdue", "expired", "cancelled", "archived", "uncollectible"]);

export const renderedBusiness = z.object({id: z.string().optional(), operatingName: z.string(), legalName: z.string().optional(), email: z.string(), phone: z.string().optional(), address: z.object({}).optional(), website: z.string().optional(), styling: z.object({}).optional(), paymentSettings: z.object({}).optional(), metadata: z.object({}).optional()});

export const renderedBusinessAndInvoice = z.object({id: z.string().optional(), dateIssued: z.string(), invoiceNumber: z.number().int(), clientDetails: z.object({}), paymentTerms: z.array(z.object({})).optional(), paymentInstructions: z.object({}).optional(), billingPeriodStart: z.string().optional(), billingPeriodEnd: z.string().optional(), lineItems: z.array(z.object({})), taxRate: z.number(), totalTax: z.number(), subTotal: z.number(), totalDue: z.number(), paymentDueDate: z.string(), totalDiscount: z.number().optional(), depositAmount: z.number().optional(), depositDate: z.string().optional(), parentProjectId: z.string().optional(), recurringFrequency: frequency.optional(), status: appModelsInvoicesInvoiceStatus.optional(), metadata: z.object({}).optional(), payments: z.array(z.object({})).optional(), totalPaid: z.number().optional(), totalOutstanding: z.number().optional(), biller: renderedBusiness.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
};

/**
 * Render Invoice Data
 * 
 * GET /invoices/{invoice_id}/render
 */
export const getApiInvoicesInvoiceIdRender = async (args: GetApiInvoicesInvoiceIdRenderArgs, options: GetApiInvoicesInvoiceIdRenderOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/invoices/${encodeURIComponent(String(args.invoice_id))}/render${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(renderedBusinessAndInvoice, await res.json())
};