import {z} from 'zod'

export type GetApiWebhooksOptions = {baseUrl?: string | undefined, identity?: string | undefined, authorization?: string | undefined, fetch?: typeof fetch | undefined};

export const allWebhooks = z.object({id: z.string().optional(), url: z.string().optional(), description: z.string().optional(), events: z.array(z.enum(["account.autopay.failed", "account.autopay.processed", "account.autopay.scheduled", "account.history.ready", "account.statements.generated", "account.statements.ready", "card.created", "card.status.active", "card.status.closed", "card.status.inactive", "card.status.reissue", "card.wallet.add", "card.wallet.add_failure", "credit.application.created", "credit.application.submitted", "credit.application.approved", "credit.application.adverse_action", "credit.application.resubmit_required", "develop.api_key.created", "kyb.verification.approved", "kyb.verification.error", "kyb.verification.initiated", "kyb.verification.rejected", "kyb.verification.warning", "kyb.verification.under_review", "kyc.verification.document_required", "kyc.verification.error", "kyc.verification.failure", "kyc.verification.reenter_information", "kyc.verification.success", "kyc.verification.timeout", "kyc.verification.under_review", "portal.data_export", "transactions"])).optional(), version: z.string().optional(), secret: z.string().optional(), status: z.enum(["enabled", "disabled"]).optional(), creted_time: z.string().optional(), updated_time: z.string().optional()});

export const getApiWebhooksResponse = z.object({webhook_subscriptions: z.array(allWebhooks).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
};

/**
 * Get all webhook subscriptions
 * 
 * GET /webhooks
 */
export const getApiWebhooks = async (options?: GetApiWebhooksOptions) => {
const {baseUrl = "https://sandbox.bond.tech/api/v0", fetch: fetchFn = fetch, identity, authorization} = options ?? {}

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

if (identity !== undefined) headers.set("Identity", identity)
if (authorization !== undefined) headers.set("Authorization", authorization)

const url = `${baseUrl.replace(/\/+$/, '')}/webhooks${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(getApiWebhooksResponse, await res.json())
};