import {z} from 'zod'

export type WebhookCreateRequest = {url: string, events?: Array<string> | undefined};

export type CreateApiWebhooksArgs = {'Idempotency-Key': string, body: WebhookCreateRequest};

export type CreateApiWebhooksOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const typeId = z.string();

export const webhookStatus = z.enum(["active", "disabled"]);

export const webhook = z.object({id: typeId.optional(), object: z.literal("webhook").optional(), url: z.string().optional(), secret: z.string().optional(), events: z.array(z.string()).optional(), enabled: z.boolean().optional(), complianceOnly: z.boolean(), status: webhookStatus.optional(), createdAt: z.string().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 webhook
 * 
 * POST /webhooks
 */
export const createApiWebhooks = async (args: CreateApiWebhooksArgs, options?: CreateApiWebhooksOptions) => {
const {baseUrl = "https://sandbox-api.polygon.technology/v0.10", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (args['Idempotency-Key'] != null) headers.set("Idempotency-Key", String(args['Idempotency-Key']))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/webhooks${query.size > 0 ? `?${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(webhook, await res.json())
};