import { respath } from "../constants/respath"
import { StorageManager } from "./StorageManager"
import { Stage } from "../views/Stage"


const { regClass, property } = Laya

@regClass()
export class UIManager extends Laya.Script {
  declare owner: Laya.Scene

  private static _instance: UIManager
  onAwake(): void {
    UIManager._instance = this

    StorageManager.getInstance().init()

    this.loadHome()
  }

  public static getInstance(): UIManager {
    return UIManager._instance
  }

  private stage: Stage

  public loadHome(): void {
    Laya.loader.load(respath.home_ui_res).then((go)=>{
      var prefab = go.create()
      this.owner.addChild(prefab)
    })
  }
  
  public loadStage(stageID: string, clean: boolean=false): void {
    if (clean) {
      StorageManager.getInstance().cleanStage()
    }
    if (this.stage) {
        this.stage.onLoadStage(StorageManager.getInstance().loadStage(stageID))
    }
    else {
      Laya.loader.load(respath.stage_ui_res).then((go)=>{
        var prefab = go.create()
        this.stage = this.owner.addChild(prefab).getComponent(Stage)
        this.stage.onLoadStage(StorageManager.getInstance().loadStage(stageID))
      })
    }
  }

  public closeStage(): void {
    if (this.stage) {
      this.stage.owner.destroy()
      this.stage = null
    }
  }

  public loadGameOver(): void {
    Laya.loader.load(respath.gameover_ui_res).then((go)=>{
      var prefab = go.create()
      this.owner.addChild(prefab)
    })
  }
  public loadGameDone(): void {
    Laya.loader.load(respath.gamedone_ui_res).then((go)=>{
      var prefab = go.create()
      this.owner.addChild(prefab)
    })
  }

  onLateUpdate(): void {
    StorageManager.getInstance().saveStage()
  }

}