import {z} from 'zod'

export type Amount = number;

export type Tags = {[key: string]: unknown} | null;

export type CreateSubscriptionBalanceEntry = {amount?: Amount | undefined, currency?: 'USD' | undefined, description?: string | undefined, tags?: Tags | undefined, type: 'CREDIT'};

export type CreateApiSubscriptionsSubscriptionIdSubscriptionBalanceEntriesArgs = {'Finix-Version'?: string | undefined, 'Content-Type'?: string | undefined, body: CreateSubscriptionBalanceEntry};

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

export const id = z.string().min(1);

export const createdAt = z.string();

export const updatedAt = z.string();

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

export const tags = z.record(z.string(), z.unknown()).nullable();

export const subscriptionBalanceEntry = z.object({id: id.optional(), created_at: createdAt.optional(), updated_at: updatedAt.optional(), amount: amount.optional(), currency: z.literal("USD").optional(), description: z.string().optional(), subscription_id: z.string().optional(), type: z.string().optional(), tags: tags.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
};

/**
 * Create a Subscription Balance Entry
 * 
 * POST /subscriptions/{subscription_id}/subscription_balance_entries
 */
export const createApiSubscriptionsSubscriptionIdSubscriptionBalanceEntries = async (args: CreateApiSubscriptionsSubscriptionIdSubscriptionBalanceEntriesArgs, options?: CreateApiSubscriptionsSubscriptionIdSubscriptionBalanceEntriesOptions) => {
const {baseUrl = "https://finix.sandbox-payments-api.com", 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 (args['Finix-Version'] != null) headers.set("Finix-Version", String(args['Finix-Version']))
if (args['Content-Type'] != null) headers.set("Content-Type", String(args['Content-Type']))
if (BasicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${BasicAuth.username}:${BasicAuth.password}`)}`)

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