import { _decorator, resources, SpriteFrame, Asset } from 'cc'
import Singleton from '../Base/Singleton'

export class ResourceManager extends Singleton {
  static get Instance() {
    return super.GetInstance<ResourceManager>()
  }

  loadRes<T extends Asset>(path: string, type: new (...args: any[]) => T) {
    return new Promise<T>((resolve, reject) => {
      resources.load(path, type, (err, res) => {
        if (err) {
          reject(err)
          return
        }
        resolve(res)
      })
    })
  }

  loadDir<T extends Asset>(path: string, type: new (...args: any[]) => T) {
    return new Promise<T[]>((resolve, reject) => {
      resources.loadDir(path, type, (err, res) => {
        if (err) {
          reject(err)
          return
        }
        resolve(res)
      })
    })
  }
}