import {z} from 'zod'

export type PayrollUpdate = {employee_compensations: Array<{employee_uuid?: string | undefined, version?: string | undefined, excluded?: boolean | undefined, payment_method?: ('Direct Deposit' | 'Check') | undefined, memo?: string | undefined, fixed_compensations?: (Array<{name?: string | undefined, amount?: string | undefined, job_uuid?: string | undefined, breakdowns?: (Array<{start_date?: string | undefined, end_date?: string | undefined, amount?: unknown | undefined}>) | undefined}>) | undefined, hourly_compensations?: (Array<{name?: string | undefined, hours?: string | undefined, job_uuid?: string | undefined, breakdowns?: (Array<{start_date?: string | undefined, end_date?: string | undefined, hours?: unknown | undefined}>) | undefined}>) | undefined, deductions?: (Array<{name?: string | undefined, amount?: number | undefined, amount_type?: ('fixed' | 'percent') | undefined, uuid?: string | undefined}>) | undefined, custom_withholdings?: ({federal?: ({override_type?: 'one_time' | undefined, amount?: string | undefined, amount_type?: ('fixed' | 'percent') | undefined}) | undefined, state?: (Array<{employee_state_field_uuid?: string | undefined, override_type?: 'one_time' | undefined, amount?: string | undefined, amount_type?: ('fixed' | 'percent') | undefined}>) | undefined}) | undefined, paid_time_off?: (Array<{name?: string | undefined, hours?: string | undefined, policy_uuid?: string | undefined, final_payout_unused_hours_input?: (string | null) | undefined}>) | undefined, reimbursements?: (Array<{amount?: string | undefined, description?: string | undefined, uuid?: string | undefined}>) | undefined}>, withholding_pay_period?: ('Every week' | 'Every other week' | 'Twice per month' | 'Monthly' | 'Quarterly' | 'Semiannually' | 'Annually') | undefined, skip_regular_deductions?: boolean | undefined, fixed_withholding_rate?: boolean | undefined};

export type UpdateApiV1CompaniesCompanyIdPayrollsPayrollIdArgs = {'X-Gusto-API-Version'?: '2026-06-15' | undefined, company_id: string, payroll_id: string, body: PayrollUpdate};

export type UpdateApiV1CompaniesCompanyIdPayrollsPayrollIdOptions = {baseUrl?: string | undefined, CompanyAccessAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const payrollDeadlineType = z.string();

export const payrollCheckDateType = z.string();

export const payrollProcessedType = z.boolean();

export const payrollProcessedDateType = z.string().nullable();

export const payrollCalculatedAtType = z.string().nullable();

export const payrollPayrollUuidType = z.string();

export const payrollCompanyUuidType = z.string();

export const payrollOffCycleType = z.boolean();

export const offCycleReasonType = z.enum(["Adhoc", "Benefit reversal", "Bonus", "Correction", "Dismissed employee", "Hired employee", "Wage correction", "Tax reconciliation", "Reversal", "Disability insurance distribution", "Transition from old pay schedule"]).nullable();

export const autoPilotType = z.boolean();

export const payrollExternalType = z.boolean();

export const payrollFinalTerminationPayrollType = z.boolean();

export const payrollWithholdingPayPeriodType = z.enum(["Every week", "Every other week", "Twice per month", "Monthly", "Quarterly", "Semiannually", "Annually"]).nullable();

export const payrollSkipRegularDeductionsType = z.boolean().nullable();

export const payrollFixedWithholdingRateType = z.boolean().nullable();

export const payrollPayPeriodType = z.object({start_date: z.string().nullable().optional(), end_date: z.string().nullable().optional(), pay_schedule_uuid: z.string().nullable().optional()});

export const payrollPayrollStatusMetaType = z.object({cancellable: z.boolean().optional(), expected_check_date: z.string().optional(), initial_check_date: z.string().nullable().optional(), expected_debit_time: z.string().optional(), payroll_late: z.boolean().nullable().optional(), initial_debit_cutoff_time: z.string().optional()});

export const payrollEmployeeCompensationsType = z.object({employee_uuid: z.string().optional(), excluded: z.boolean().optional(), first_name: z.string().nullable().optional(), preferred_first_name: z.string().nullable().optional(), last_name: z.string().nullable().optional(), gross_pay: z.string().nullable().optional(), net_pay: z.string().nullable().optional(), check_amount: z.string().nullable().optional(), payment_method: z.enum(["Direct Deposit", "Check", "Historical"]).nullable().optional(), memo: z.string().nullable().optional(), fixed_compensations: z.array(z.object({name: z.string().optional(), amount: z.string().optional(), job_uuid: z.string().optional(), breakdowns: z.array(z.object({start_date: z.string().optional(), end_date: z.string().optional(), amount: z.string().optional()})).optional()})).optional(), hourly_compensations: z.array(z.object({name: z.string().optional(), hours: z.string().optional(), amount: z.string().optional(), job_uuid: z.string().optional(), compensation_multiplier: z.number().optional(), flsa_status: z.string().optional(), breakdowns: z.array(z.object({start_date: z.string().optional(), end_date: z.string().optional(), hours: z.string().optional()})).optional()})).optional(), paid_time_off: z.array(z.object({name: z.string().optional(), hours: z.string().optional(), amount: z.string().nullable().optional(), final_payout_unused_hours_input: z.string().nullable().optional(), approved_request_hours: z.string().nullable().optional()})).optional(), reimbursements: z.array(z.object({amount: z.string(), description: z.string().nullable(), uuid: z.string().nullable().optional(), recurring: z.boolean().optional()})).optional(), custom_withholdings: z.object({federal: z.object({override_type: z.literal("one_time").optional(), amount: z.string().optional(), amount_type: z.enum(["fixed", "percent"]).optional()}).nullable().optional(), state: z.array(z.object({employee_state_field_uuid: z.string().optional(), override_type: z.literal("one_time").optional(), amount: z.string().optional(), amount_type: z.enum(["fixed", "percent"]).optional()})).optional()}).optional(), version: z.string().optional(), deductions: z.array(z.object({name: z.string().optional(), amount: z.number().optional(), amount_type: z.enum(["fixed", "percent"]).optional(), uuid: z.string().optional(), updatable_via_payroll: z.boolean().optional()})).optional()});

export const payrollPaymentSpeedChangedType = z.object({original_check_date: z.string().optional(), current_check_date: z.string().optional(), original_debit_date: z.string().optional(), current_debit_date: z.string().optional(), reason: z.string().optional()});

export const createdAtType = z.string();

export const payrollFixedCompensationTypesType = z.array(z.object({name: z.string().optional()}));

export const metadataWithOneEntity = z.object({entity_type: z.string().optional(), entity_uuid: z.string().optional(), valid_from: z.string().nullable().optional(), valid_up_to: z.string().nullable().optional(), key: z.string().nullable().optional(), state: z.string().nullable().optional()}).and(z.record(z.string(), z.unknown()));

export const entityErrorObject = z.object({error_key: z.string(), category: z.string(), message: z.string().optional(), metadata: z.union([z.object({entities: z.array(metadataWithOneEntity)}), z.object({entity_type: z.string().optional(), entity_uuid: z.string().optional(), valid_from: z.string().nullable().optional(), valid_up_to: z.string().nullable().optional(), key: z.string().nullable().optional(), state: z.string().nullable().optional()}).and(z.record(z.string(), z.unknown()))]).optional(), errors: z.array(z.object({error_key: z.string().optional(), category: z.string().optional(), message: z.string().optional(), metadata: z.object({}).optional()})).optional()});

export const payrollProcessingRequest = z.object({status: z.enum(["calculating", "calculate_success", "submitting", "submit_success", "processing_failed"]).optional(), errors: z.array(entityErrorObject).optional()}).nullable();

export const payrollPartnerOwnedDisbursementType = z.boolean().nullable();

export const payrollPrepared = z.object({payroll_deadline: payrollDeadlineType.optional(), check_date: payrollCheckDateType.optional(), processed: payrollProcessedType.optional(), processed_date: payrollProcessedDateType.optional(), calculated_at: payrollCalculatedAtType.optional(), uuid: payrollPayrollUuidType.optional(), payroll_uuid: payrollPayrollUuidType.optional(), company_uuid: payrollCompanyUuidType.optional(), off_cycle: payrollOffCycleType.optional(), off_cycle_reason: offCycleReasonType.optional(), auto_payroll: autoPilotType.optional(), external: payrollExternalType.optional(), final_termination_payroll: payrollFinalTerminationPayrollType.optional(), withholding_pay_period: payrollWithholdingPayPeriodType.optional(), skip_regular_deductions: payrollSkipRegularDeductionsType.optional(), fixed_withholding_rate: payrollFixedWithholdingRateType.optional(), pay_period: payrollPayPeriodType.optional(), workweeks: z.array(z.object({start_date: z.string().optional(), end_date: z.string().optional()})).nullable().optional(), payroll_status_meta: payrollPayrollStatusMetaType.optional(), employee_compensations: z.array(payrollEmployeeCompensationsType).optional(), payment_speed_changed: payrollPaymentSpeedChangedType.optional(), created_at: createdAtType.optional(), fixed_compensation_types: payrollFixedCompensationTypesType.optional(), processing_request: payrollProcessingRequest.optional(), partner_owned_disbursement: payrollPartnerOwnedDisbursementType.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 payroll by ID
 * 
 * PUT /v1/companies/{company_id}/payrolls/{payroll_id}
 */
export const updateApiV1CompaniesCompanyIdPayrollsPayrollId = async (args: UpdateApiV1CompaniesCompanyIdPayrollsPayrollIdArgs, options?: UpdateApiV1CompaniesCompanyIdPayrollsPayrollIdOptions) => {
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/companies/${encodeURIComponent(String(args.company_id))}/payrolls/${encodeURIComponent(String(args.payroll_id))}${query.size > 0 ? `?${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(payrollPrepared, await res.json())
};