import { useDebounceFn } from '@vueuse/core'
import type {
  AnyFn,
  DebounceFilterOptions,
  MaybeRefOrGetter,
  PromisifyFn,
} from '@vueuse/core'

export type EventAnyFn = AnyFn

export type EventCallbacks = Record<string, EventAnyFn>

export type EventPromiseFn<F extends EventAnyFn> = PromisifyFn<F>

export interface EventOptions extends DebounceFilterOptions {
  ms?: MaybeRefOrGetter<number>
}

export const useEvents = <T extends EventCallbacks>(
  callbacks: T,
  options?: EventOptions,
) => {
  const { ms = 0, maxWait = 0, rejectOnCancel } = options || {}
  return useDebounceFn(
    (key: keyof T, ...args: any) => {
      const callback = callbacks[key] as EventPromiseFn<EventAnyFn>
      if (callback) callback.apply({}, args)
    },
    ms,
    { maxWait: maxWait || ms, rejectOnCancel },
  )
}