import {z} from 'zod'

export type UpdateApiV1TimeOffPoliciesTimeOffPolicyUuidArgs = {'X-Gusto-API-Version'?: '2026-06-15' | undefined, time_off_policy_uuid: string, body: {version: string, name?: string | undefined, policy_type?: ('vacation' | 'sick') | undefined, accrual_method?: ('unlimited' | 'per_pay_period' | 'per_calendar_year' | 'per_anniversary_year' | 'per_hour_worked' | 'per_hour_worked_no_overtime' | 'per_hour_paid' | 'per_hour_paid_no_overtime') | undefined, accrual_rate?: (string | null) | undefined, accrual_rate_unit?: (string | null) | undefined, paid_out_on_termination?: boolean | undefined, accrual_waiting_period_days?: (number | null) | undefined, carryover_limit_hours?: (string | null) | undefined, max_accrual_hours_per_year?: (string | null) | undefined, max_hours?: (string | null) | undefined, policy_reset_date?: (string | null) | undefined, complete?: boolean | undefined}};

export type UpdateApiV1TimeOffPoliciesTimeOffPolicyUuidOptions = {baseUrl?: string | undefined, CompanyAccessAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const timeOffPolicy = z.object({uuid: z.string(), company_uuid: z.string(), name: z.string(), policy_type: z.enum(["vacation", "sick", "bereavement", "custom", "floating_holiday", "jury_duty", "learning_and_development", "parental_leave", "personal_day", "volunteer", "weather"]), accrual_method: z.string(), accrual_rate: z.string().nullable().optional(), accrual_rate_unit: z.string().nullable().optional(), paid_out_on_termination: z.boolean().optional(), accrual_waiting_period_days: z.number().int().nullable().optional(), carryover_limit_hours: z.string().nullable().optional(), max_accrual_hours_per_year: z.string().nullable().optional(), max_hours: z.string().nullable().optional(), policy_reset_date: z.string().nullable().optional(), complete: z.boolean().optional(), version: z.string().nullable().optional(), is_active: z.boolean(), employees: z.array(z.object({uuid: z.string().optional(), balance: z.string().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
};

/**
 * Update a time off policy
 * 
 * PUT /v1/time_off_policies/{time_off_policy_uuid}
 */
export const updateApiV1TimeOffPoliciesTimeOffPolicyUuid = async (args: UpdateApiV1TimeOffPoliciesTimeOffPolicyUuidArgs, options?: UpdateApiV1TimeOffPoliciesTimeOffPolicyUuidOptions) => {
const {baseUrl = "https://api.gusto-demo.com", fetch: fetchFn = fetch, CompanyAccessAuth} = options ?? {}

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

if (args['X-Gusto-API-Version'] != null) headers.set("X-Gusto-API-Version", String(args['X-Gusto-API-Version']))
if (CompanyAccessAuth !== undefined) headers.set('authorization', `Bearer ${CompanyAccessAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/time_off_policies/${encodeURIComponent(String(args.time_off_policy_uuid))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PUT", 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(timeOffPolicy, await res.json())
};