import {z} from 'zod'

export type GetApiV1GatewayCustomersCustomerIdPaymentMethodsArgs = {customerId: string, type: 'card'};

export type GetApiV1GatewayCustomersCustomerIdPaymentMethodsOptions = {baseUrl?: string | undefined, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const listGatewayCustomerPaymentMethodsResponse = z.array(z.object({savedPaymentMethodId: z.string(), scheme: z.string(), last4: z.string(), expiryMonth: z.number(), expiryYear: z.number(), expiryStatus: z.enum(["active", "expired", "expiring"]), storeFutureUsage: z.enum(["on_session", "off_session"]).optional(), isDpan: z.boolean().optional()}));

export const getApiV1GatewayCustomersCustomerIdPaymentMethodsResponse = z.object({status: z.literal("SUCCEEDED"), data: listGatewayCustomerPaymentMethodsResponse});

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
};

/**
 * List a customer's saved payment methods
 * 
 * GET /v1/gateway/customers/{customerId}/payment-methods
 */
export const getApiV1GatewayCustomersCustomerIdPaymentMethods = async (args: GetApiV1GatewayCustomersCustomerIdPaymentMethodsArgs, options?: GetApiV1GatewayCustomersCustomerIdPaymentMethodsOptions) => {
const {baseUrl = "https://api.breeze.cash", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (args.type != null) query.append("type", String(args.type))
if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/gateway/customers/${encodeURIComponent(String(args.customerId))}/payment-methods${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(getApiV1GatewayCustomersCustomerIdPaymentMethodsResponse, await res.json())
};