// TopBarController.ts
import { _decorator, Component, Node, Button, Label, find } from 'cc';
import { SaveDataManager } from '../LevelSystem/SaveDataManager';
const { ccclass, property } = _decorator;

@ccclass('TopBarController')
export class TopBarController extends Component {
  /* 顶部资源 & 关卡 */
  @property(Node) moneyAddBtn: Node = null;          // 绿色 +
  @property(Node) diamondAddBtn: Node = null;        // 紫色 +
  @property(Node) moneyLabel: Node = null;           // 金币数字
  @property(Node) diamondLabel: Node = null;         // 钻石数字


  private sdm: SaveDataManager = null;

  onLoad() {
    this.sdm = SaveDataManager.getInstance();
    this.bindButtons();
    this.refreshAll();
  }

  /* 绑定按钮事件 */
  private bindButtons() {
    this.moneyAddBtn?.on(Button.EventType.CLICK, () => this.addCoins(100), this);
    this.diamondAddBtn?.on(Button.EventType.CLICK, () => this.addDiamonds(20), this);


  }

  /* ================= 业务逻辑 ================= */
  private addCoins(v: number) { 
    this.sdm.addCoins(v, 'ad'); 
    this.refreshCurrency(); 
  }
  
  private addDiamonds(v: number) { 
    this.sdm.addDiamonds(v, 'ad'); 
    this.refreshCurrency(); 
  }



  /* ================= 刷新 ================= */
  private refreshCurrency() {
    const mLbl = this.moneyLabel?.getComponent(Label) || this.moneyLabel as unknown as Label;
    if (mLbl) mLbl.string = this.format(this.sdm.getCoins());
    const dLbl = this.diamondLabel?.getComponent(Label) || this.diamondLabel as unknown as Label;
    if (dLbl) dLbl.string = this.format(this.sdm.getDiamonds());
  }
  
  private refreshAll() {
    this.refreshCurrency();
  }

  // 供外部调用的公共刷新接口
  public updateUI(): void {
    this.refreshAll();
  }

  // 供其他控制器调用的静态更新方法
  public static updateTopBarUI(): void {
    const topBarNode = find('Canvas/TopBar');
    const topBarController = topBarNode?.getComponent('TopBarController');
    if (topBarController && 'updateUI' in topBarController) {
      (topBarController as any).updateUI();
    }
  }
  
  /* =============== Util =============== */
  private format(n: number) { 
    return n >= 1000000 ? (n / 1e6).toFixed(1) + 'M' : n >= 1000 ? (n / 1e3).toFixed(1) + 'K' : n.toString(); 
  }
}