import {
  EWindowFormState,
  type IWindowFormEvents,
  type IWindowFormInstance
} from '@/services/windowForm/WindowFormDataManager.ts'
import type { IEventBuilder } from '@/events/IEventBuilder.ts'

/**
 * 订阅事件，并自动取消订阅
 * @param win
 * @param eventBus
 * @param event
 * @param handler
 */
export function safeSubscribe(
  win: IWindowFormInstance,
  eventBus: IEventBuilder<IWindowFormEvents>,
  event: keyof IWindowFormEvents,
  handler: (...args: any[]) => void
) {
  const unsubscribe = eventBus.subscribe(event, (...args: any[]) => {
    // 若窗口已销毁则不再执行
    if (win.state === EWindowFormState.DESTROYED) return
    handler(...args)
  })
  win.subscriptions.push(() => unsubscribe())
}