import {z} from 'zod'

export type BillingCycleType = 0 | 1 | 2 | 3 | 4 | 5 | 6;

export type SubscriptionTransition = {fromCatalogItemId?: (string | null) | undefined, fromSubscriptionId?: (string | null) | undefined, toCatalogItemId?: (string | null) | undefined, toSubscriptionId?: (string | null) | undefined, transitionType?: (string | null) | undefined, quantity?: number | undefined, billingCycle?: BillingCycleType | undefined, term?: (string | null) | undefined};

export type CreateApiApiV1SubscriptionsIdTransitionArgs = {id: number, body: SubscriptionTransition};

export type CreateApiApiV1SubscriptionsIdTransitionOptions = {baseUrl: string, Bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const attributes = z.object({objectType: z.string().nullable().optional()});

export const event = z.object({name: z.string().nullable().optional(), timeStamp: z.string().optional(), status: z.string().nullable().optional(), attributes: attributes.optional()});

export const billingCycleType = z.union([z.literal(0), z.literal(1), z.literal(2), z.literal(3), z.literal(4), z.literal(5), z.literal(6)]);

export const subscriptionTransitionResponse = z.object({events: z.array(event).nullable().optional(), attributes: attributes.optional(), fromCatalogItemId: z.string().nullable().optional(), fromSubscriptionId: z.string().nullable().optional(), toCatalogItemId: z.string().nullable().optional(), toSubscriptionId: z.string().nullable().optional(), transitionType: z.string().nullable().optional(), quantity: z.number().int().optional(), billingCycle: billingCycleType.optional(), term: 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
};

/**
 * POST /api/v1/Subscriptions/{id}/transition
 */
export const createApiApiV1SubscriptionsIdTransition = async (args: CreateApiApiV1SubscriptionsIdTransitionArgs, options: CreateApiApiV1SubscriptionsIdTransitionOptions) => {
const {baseUrl, fetch: fetchFn = fetch, Bearer} = options ?? {}

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

if (Bearer !== undefined) headers.set("Authorization", Bearer)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/Subscriptions/${encodeURIComponent(String(args.id))}/transition${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(subscriptionTransitionResponse, await res.json())
};