import {z} from 'zod'

export type PauseOption = 'immediately' | 'end_of_term' | 'specific_date';

export type PauseSubscriptionRequest = {pause_option?: (PauseOption | null) | undefined, pause_at?: (string | null) | undefined};

export type CreateApiSubscriptionsSubscriptionIdPauseArgs = {subscription_id: string, 'X-Profile-Id': string, body: PauseSubscriptionRequest};

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

export const subscriptionId = z.string();

export const subscriptionStatus = z.enum(["active", "created", "in_active", "pending", "trial", "paused", "unpaid", "onetime", "cancelled", "failed"]);

export const profileId = z.string();

export const merchantId = z.string();

export const customerId = z.string();

export const pauseSubscriptionResponse = z.object({id: subscriptionId, status: subscriptionStatus, merchant_reference_id: z.string().nullable().optional(), profile_id: profileId, merchant_id: merchantId, customer_id: customerId, paused_at: z.string().nullable().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
};

/**
 * Subscription - Pause Subscription
 * 
 * POST /subscriptions/{subscription_id}/pause
 */
export const createApiSubscriptionsSubscriptionIdPause = async (args: CreateApiSubscriptionsSubscriptionIdPauseArgs, options: CreateApiSubscriptionsSubscriptionIdPauseOptions) => {
const {baseUrl, fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args['X-Profile-Id'] != null) headers.set("X-Profile-Id", String(args['X-Profile-Id']))
if (apiKey !== undefined) headers.set("Authorization", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/subscriptions/${encodeURIComponent(String(args.subscription_id))}/pause${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(pauseSubscriptionResponse, await res.json())
};