export type LabelListParameters = string;

export type Id = number;

export type PurchaseOrderNumber = number;

export type DiscountType = 'fixed' | 'percentage' | null;

export type TaxType = 'fixed' | 'percentage' | null;

export type CustomFields = Record<string, never> | null;

export type PatchApiPurchaseOrdersNumberArgs = {number: string, body: {description?: (string | null) | undefined, label_list?: LabelListParameters | undefined, vendor_id?: Id | undefined, part_location_id?: number | undefined, number?: PurchaseOrderNumber | undefined, discount_type?: DiscountType | undefined, discount_percentage?: number | undefined, discount?: number | undefined, shipping?: number | undefined, tax_1_percentage?: number | undefined, tax_1?: number | undefined, tax_1_type?: TaxType | undefined, tax_2_percentage?: number | undefined, tax_2?: number | undefined, tax_2_type?: TaxType | undefined, custom_fields?: CustomFields | undefined, purchase_order_line_items_attributes?: (Array<{part_id?: number | undefined, quantity?: number | undefined, unit_cost?: number | undefined}>) | undefined}};

export type PatchApiPurchaseOrdersNumberOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, accountToken?: string | undefined, fetch?: typeof fetch | undefined};

/**
 * Update Purchase Order
 * 
 * PATCH /purchase_orders/{number}
 */
export const patchApiPurchaseOrdersNumber = async (args: PatchApiPurchaseOrdersNumberArgs, options?: PatchApiPurchaseOrdersNumberOptions) => {
const {baseUrl = "https://secure.fleetio.com/api", fetch: fetchFn = fetch, apiKey, accountToken} = options ?? {}

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

if (apiKey !== undefined) headers.set("Authorization", apiKey)
if (accountToken !== undefined) headers.set("Account-Token", accountToken)

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

const res = await fetchFn(url, {method: "PATCH", 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 undefined
};