import {z} from 'zod'

export type GetApiInvoicesInvoiceIdInvoiceItemsArgs = {invoice_id: unknown, page?: number | undefined, per_page?: number | undefined, sort?: Array<string> | undefined, order?: ('asc' | 'desc') | undefined, 'q[]'?: Array<string> | undefined};

export type GetApiInvoicesInvoiceIdInvoiceItemsOptions = {baseUrl?: string | undefined, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const invoiceItem = z.object({archived_at: z.string().nullable().optional(), billable_item: z.object({links: z.object({self: z.string().optional()}).optional()}).optional(), code: z.string().max(100).nullable().optional(), concession_type_name: z.string().nullable().optional(), created_at: z.string().optional(), deleted_at: z.string().nullable().optional(), discount_percentage: z.string().nullable().optional(), discounted_amount: z.string().nullable().optional(), id: z.string().optional(), invoice: z.object({links: z.object({self: z.string().optional()}).optional()}).optional(), is_monetary_discount: z.boolean().nullable().optional(), links: z.object({self: z.string().optional()}).optional(), name: z.string().nullable().optional(), net_price: z.string().nullable().optional(), product: z.object({links: z.object({self: z.string().optional()}).optional()}).optional(), quantity: z.string().optional(), tax_amount: z.string().nullable().optional(), tax_name: z.string().nullable().optional(), tax_rate: z.string().nullable().optional(), total_including_tax: z.number().nullable().optional(), unit_price: z.string().optional(), updated_at: z.string().optional()});

export const getApiInvoicesInvoiceIdInvoiceItemsResponse = z.object({invoice_items: z.array(invoiceItem).optional(), total_entries: z.number().int().optional(), links: z.object({self: z.string().optional(), previous: z.string().optional(), next: z.string().optional()}).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 invoice items for invoice
 * 
 * GET /invoices/{invoice_id}/invoice_items
 */
export const getApiInvoicesInvoiceIdInvoiceItems = async (args: GetApiInvoicesInvoiceIdInvoiceItemsArgs, options?: GetApiInvoicesInvoiceIdInvoiceItemsOptions) => {
const {baseUrl = "https://api.au1.cliniko.com/v1", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.per_page != null) query.append("per_page", String(args.per_page))
if (args.sort != null) query.append("sort", args.sort.join(','))
if (args.order != null) query.append("order", String(args.order))
for (const item of args['q[]'] ?? []) query.append("q[]", String(item))
if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

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