import {z} from 'zod'

export type CartSource = 'NotSet' | 'ProgCentral' | 'Tanc' | 'MyAccount' | 'CommerceApi' | 'Pos' | 'ProgAnywhere' | 'ProgConnect' | 'ProgMarketplaceSingleCart';

export type Store = {progressiveMerchantId?: number | undefined, merchantStoreId?: (string | null) | undefined, salesAssociate?: (string | null) | undefined, merchantApplicationIdentifier?: (string | null) | undefined, merchantTerminalId?: (string | null) | undefined, isNotifyStoreOnApplication?: boolean | undefined, source?: CartSource | undefined};

export type ItemType = 'LeaseItem' | 'DeliveryFee';

export type DeliveryTypeEnum = 'TakeWith' | 'InStorePickup' | 'Delivery';

export type Item = {lineNumber?: number | undefined, sku?: (string | null) | undefined, model?: (string | null) | undefined, description?: (string | null) | undefined, priceEach?: number | undefined, quantity?: number | undefined, lineTotal?: number | undefined, isNew?: boolean | undefined, type?: ItemType | undefined, deliveryType?: DeliveryTypeEnum | undefined, deliveryLocation?: (string | null) | undefined, gtin?: (string | null) | undefined, gtinType?: (string | null) | undefined, sellerId?: (string | null) | undefined};

export type CustomDataField = {key?: (string | null) | undefined, value?: (string | null) | undefined};

export type CustomData = {keys?: (Array<CustomDataField> | null) | undefined};

export type Cart = {store?: Store | undefined, cartId?: number | undefined, applicationId: number, merchantTransactionId?: (string | null) | undefined, deposit?: number | undefined, cartTotal?: number | undefined, items?: (Array<Item> | null) | undefined, custom?: CustomData | undefined};

export type CreateApiApplicationCartArgs = {body: Cart};

export type CreateApiApplicationCartOptions = {baseUrl?: string | undefined, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const createApiApplicationCartResponse = z.number().int();

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
};

/**
 * Submit cart information
 * 
 * POST /application/cart
 */
export const createApiApplicationCart = async (args: CreateApiApplicationCartArgs, options?: CreateApiApplicationCartOptions) => {
const {baseUrl = "https://capi.beta.progleasing.com/api/v1", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/application/cart${query.size > 0 ? `?${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(createApiApplicationCartResponse, await res.json())
};