import {z} from 'zod'

export type CreateApiV2EventSubscriptionsArgs = {body: {event: string, entity_id: string, attributes?: ({delay?: number | undefined, headers?: ({int_head?: number | undefined, bool_head?: boolean | undefined, float_head?: number | undefined, string_head?: string | undefined}) | undefined, callback: string, secret_key?: string | undefined, use_tls_12?: boolean | undefined, retry_count?: number | undefined, integration_id?: string | undefined, docid_queryparam?: boolean | undefined, include_metadata?: boolean | undefined, delete_access_token?: boolean | undefined}) | undefined}};

export type CreateApiV2EventSubscriptionsOptions = {baseUrl?: string | undefined, Bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiV2EventSubscriptionsResponse = z.object({data: z.object({id: z.string().optional()}).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 event subscription
 * 
 * POST /v2/event-subscriptions
 */
export const createApiV2EventSubscriptions = async (args: CreateApiV2EventSubscriptionsArgs, options?: CreateApiV2EventSubscriptionsOptions) => {
const {baseUrl = "https://api.signnow.com", 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 ${Bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/event-subscriptions${query.size > 0 ? `?${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(createApiV2EventSubscriptionsResponse, await res.json())
};