import {z} from 'zod'

export type CreateApiMcpV1ActionsUdCartCheckoutArgs = {body: {paymentMethodId?: string | undefined, useAccountBalance?: boolean | undefined, discountCode?: string | undefined, contactId?: string | undefined}};

export type CreateApiMcpV1ActionsUdCartCheckoutOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const checkoutResponse = z.object({success: z.boolean().optional(), orderId: z.number().optional(), paymentId: z.number().optional(), summary: z.object({itemCount: z.number().optional(), domains: z.array(z.string()).optional(), subtotal: z.number().optional(), subtotalFormatted: z.string().optional(), discounts: z.number().optional(), discountsFormatted: z.string().optional(), creditsUsed: z.number().optional(), creditsUsedFormatted: z.string().optional(), salesTax: z.number().optional(), salesTaxFormatted: z.string().optional(), totalCharged: z.number().optional(), totalChargedFormatted: z.string().optional(), paymentMethod: z.string().optional()}).optional(), note: 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
};

/**
 * Complete cart checkout
 * 
 * POST /mcp/v1/actions/ud_cart_checkout
 */
export const createApiMcpV1ActionsUdCartCheckout = async (args: CreateApiMcpV1ActionsUdCartCheckoutArgs, options?: CreateApiMcpV1ActionsUdCartCheckoutOptions) => {
const {baseUrl = "https://api.unstoppabledomains.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/mcp/v1/actions/ud_cart_checkout${query.size > 0 ? `?${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(checkoutResponse, await res.json())
};