import {z} from 'zod'

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

export const getApiWebhooksResponse = z.object({ok: z.literal(true), data: z.array(z.object({id: z.string(), tenantId: z.string(), url: z.string(), events: z.array(z.enum(["tx.pending", "tx.approved", "tx.denied", "tx.signed", "spend.threshold", "policy.violation", "wallet_action.transfer.failed", "wallet_action.transfer.succeeded", "wallet_action.send_calls.failed", "wallet_action.send_calls.succeeded", "wallet.raw_signature.created", "wallet.private_key_exported", "user.wallet.created", "intent.created", "intent.authorized", "intent.executed", "intent.failed", "intent.rejected", "intent.canceled", "intent.expired"])), enabled: z.boolean(), maxRetries: z.number().int().gte(0).lte(10), retryBackoffMs: z.number().int().gte(1000).lte(3600000), description: z.string().nullable().optional(), createdAt: z.string(), updatedAt: z.string().optional()}).and(z.record(z.string(), z.unknown())))});

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
};

/**
 * List webhook configurations
 * 
 * GET /webhooks
 */
export const getApiWebhooks = async (options?: GetApiWebhooksOptions) => {
const {baseUrl = "http://localhost:3200", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

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())
};