export type RegionPostalCodeAreaPostalCodeRange = {begin?: string | undefined, end?: string | undefined};

export type RegionPostalCodeArea = {regionCode?: string | undefined, postalCodes?: Array<RegionPostalCodeAreaPostalCodeRange> | undefined};

export type RegionGeoTargetArea = {geotargetCriteriaIds?: Array<unknown> | undefined};

export type Region = {postalCodeArea?: RegionPostalCodeArea | undefined, regionalInventoryEligible?: boolean | undefined, geotargetArea?: RegionGeoTargetArea | undefined, shippingEligible?: boolean | undefined, merchantId?: unknown | undefined, displayName?: string | undefined, regionId?: string | undefined};

export type CreateApiMerchantIdRegionsArgs = {merchantId: string, regionId?: string | undefined, body: Region};

export type CreateApiMerchantIdRegionsOptions = {baseUrl?: string | undefined, Oauth2?: string | undefined, Oauth2c?: string | undefined, fetch?: typeof fetch | undefined};

/**
 * Creates a region definition in your Merchant Center account.
 * 
 * POST /{merchantId}/regions
 */
export const createApiMerchantIdRegions = async (args: CreateApiMerchantIdRegionsArgs, options?: CreateApiMerchantIdRegionsOptions) => {
const {baseUrl = "https://shoppingcontent.googleapis.com/content/v2.1", fetch: fetchFn = fetch, Oauth2, Oauth2c} = options ?? {}

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

if (args.regionId != null) query.append("regionId", String(args.regionId))
if (Oauth2 !== undefined) headers.set('authorization', `Bearer ${Oauth2}`)
if (Oauth2c !== undefined) headers.set('authorization', `Bearer ${Oauth2c}`)

const url = `${baseUrl.replace(/\/+$/, '')}/${encodeURIComponent(String(args.merchantId))}/regions${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 res.blob()
};