import {z} from 'zod'

export type GetApiTaxTaxFormsArgs = {account_ids: Array<string>, tax_year: string, form_types?: (Array<'FORM_1099_B' | 'FORM_1099_MISC' | 'FORM_1099_DA'>) | undefined};

export type GetApiTaxTaxFormsOptions = {baseUrl?: string | undefined, OAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const taxFormType = z.enum(["FORM_1099_B", "FORM_1099_MISC", "FORM_1099_DA"]);

export const taxFormURL = z.object({account_id: z.string().optional(), type: taxFormType.optional(), tax_year: z.string().optional(), revision: z.string().optional(), url: z.string().optional()});

export const listTaxFormsResponse = z.object({tax_form_urls: z.array(taxFormURL).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 Tax Forms
 * 
 * GET /tax/tax-forms
 */
export const getApiTaxTaxForms = async (args: GetApiTaxTaxFormsArgs, options?: GetApiTaxTaxFormsOptions) => {
const {baseUrl = "https://api.paxos.com/v2", fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

for (const item of args.account_ids ?? []) query.append("account_ids", String(item))
if (args.tax_year != null) query.append("tax_year", String(args.tax_year))
for (const item of args.form_types ?? []) query.append("form_types", String(item))
if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/tax/tax-forms${query.size > 0 ? `?${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(listTaxFormsResponse, await res.json())
};