import {z} from 'zod'

export type FilingStatusSetup = {federal?: ('SINGLE' | 'MARRIED' | 'MARRIED_SEPARATELY' | 'HEAD' | 'WIDOWER') | undefined, state?: ('SINGLE' | 'MARRIED' | 'MARRIED_SEPARATELY' | 'HEAD' | 'WIDOWER') | undefined};

export type Withholding = {useWithholding?: boolean | undefined, federalWithholding?: number | undefined, stateWithholding?: number | undefined};

export type HomeOffice = {useHomeOfficeDeduction?: boolean | undefined, homeOfficeArea?: number | undefined};

export type Mileage = {useEstimate?: boolean | undefined, estimate?: number | undefined, useMileageDeduction?: boolean | undefined, vehicleBusinessPercent?: string | undefined};

export type Expenses = {useEstimate?: boolean | undefined, estimate?: number | undefined};

export type Income = {useEstimate?: boolean | undefined, estimate?: number | undefined};

export type TaxSetupPostDto = {countryCode?: string | undefined, state?: string | undefined, filingStatus?: FilingStatusSetup | undefined, annualW2Income?: number | undefined, withholding?: Withholding | undefined, numExemptions?: number | undefined, tipIncome?: number | undefined, overtimeIncome?: number | undefined, homeOffice?: HomeOffice | undefined, mileage?: Mileage | undefined, expenses?: Expenses | undefined, income?: Income | undefined, isSetupComplete?: boolean | undefined} | null;

export type TaxFormRequestDto = {year?: number | undefined, taxSetup?: TaxSetupPostDto | undefined};

export type CreateApiV6ReportsForm1065Args = {body: TaxFormRequestDto};

export type CreateApiV6ReportsForm1065Options = {baseUrl?: string | undefined, EmbedToken?: string | undefined, fetch?: typeof fetch | undefined};

export const reportMeta = z.object({title: z.string().optional(), generatedOn: z.string().optional(), generatedBy: z.string().optional(), footerLine: z.string().optional()});

export const taxFormReportDto = z.object({url: z.string().optional(), meta: reportMeta.optional()});

export const successResponseTaxFormReportDto = z.object({result: z.enum(["SUCCESS", "FAILURE"]).optional(), data: taxFormReportDto.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
};

/**
 * Form 1065
 * 
 * POST /v6/reports/form1065
 */
export const createApiV6ReportsForm1065 = async (args: CreateApiV6ReportsForm1065Args, options?: CreateApiV6ReportsForm1065Options) => {
const {baseUrl = "https://sandbox.tight.com", fetch: fetchFn = fetch, EmbedToken} = options ?? {}

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

if (EmbedToken !== undefined) headers.set('authorization', `Bearer ${EmbedToken}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v6/reports/form1065${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(successResponseTaxFormReportDto, await res.json())
};