import {z} from 'zod'

export type GetApiTaxReturnsArgs = {entity_id?: number | undefined, external_entity_id?: string | undefined, tax_year?: number | undefined};

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

export const taxReturn = z.object({id: z.number().int().optional(), tax_return_name: z.string().nullable().optional(), tax_year: z.number().int().nullable().optional(), entity_id: z.number().int().optional(), entity_name: z.string().nullable().optional(), external_entity_id: z.string().nullable().optional(), entity_type: z.string().nullable().optional(), client_name: z.string().nullable().optional(), client_email: z.string().nullable().optional(), assigned_to: z.string().nullable().optional(), assigned_to_email: z.string().nullable().optional(), questionnaire_id: z.number().int().nullable().optional(), status: z.enum(["awaiting_upload", "action_required", "error", "finished", "invoice_paid", "processing", "sending", "sent", "filed"]).nullable().optional(), current_status: z.string().nullable().optional(), draft_status: z.string().nullable().optional(), all_signed: z.boolean().optional(), all_paid: z.boolean().nullable().optional(), can_mark_as_filed: z.boolean().optional(), signed_signature_count: z.number().int().optional(), total_signature_count: z.number().int().optional(), paid_payment_count: z.number().int().optional(), total_payment_count: z.number().int().optional(), outstanding_voucher_count: z.number().int().optional(), has_payment: z.boolean().optional(), payment_status: z.string().nullable().optional(), payment_amount: z.number().nullable().optional(), k1_distribution_status: z.string().nullable().optional(), reminder_disabled: z.boolean().optional(), last_sent_at: z.string().nullable().optional(), last_reminder_sent_at: z.string().nullable().optional(), sent_to_documents_at: z.string().nullable().optional(), created_at: z.string().optional(), updated_at: z.string().optional(), link: z.string().nullable().optional()});

export const getApiTaxReturnsResponse = z.array(taxReturn);

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 returns for an entity
 * 
 * GET /tax_returns
 */
export const getApiTaxReturns = async (args: GetApiTaxReturnsArgs, options?: GetApiTaxReturnsOptions) => {
const {baseUrl = "https://api.soraban.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.entity_id != null) query.append("entity_id", String(args.entity_id))
if (args.external_entity_id != null) query.append("external_entity_id", String(args.external_entity_id))
if (args.tax_year != null) query.append("tax_year", String(args.tax_year))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

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