import { _decorator, Collider2D, Component, Contact2DType, Node } from "cc";
import { GlobalData } from "../config/GlobalData";
import { GameState } from "../config/Config";
import { NoteControl } from "./NoteControl";
import { EventDispatcher } from "../libs/EventDispatcher";
const { ccclass, property } = _decorator;

@ccclass("LineControl")
export class LineControl extends Component {
  start() {
    // 监听碰撞事件
    this.node
      .getComponent(Collider2D)
      .on(Contact2DType.BEGIN_CONTACT, this.onCollisionEnter, this);
  }

  onCollisionEnter(selfCollider: Collider2D, otherCollider: Collider2D) {
    // 如果游戏状态不是进行中，直接返回
    if (GlobalData.gameState != GameState.PLAYING) {
      return;
    }

    if (otherCollider.tag == 2) {
      // 1. 剩余生命值减 1
      GlobalData.lifeNumPerRound--;

      // 2. 剩余生命值是否大于等于0
      if (GlobalData.lifeNumPerRound >= 0) {
        // 触发音符碰到线事件
        EventDispatcher.getTarget().emit(EventDispatcher.UPDATE_LIFE);
      }
      // 3. 如果小于0，游戏结束
      if (GlobalData.lifeNumPerRound < 0) {
        GlobalData.gameState = GameState.GAME_OVER;
        // 调用 NoteControl 中的 pause 方法暂停音符
        otherCollider.getComponent(NoteControl).noteHitLine();
        // 发送游戏结束事件
        EventDispatcher.getTarget().emit(EventDispatcher.GAME_OVER);
      } else {
        GlobalData.gameState = GameState.PAUSED;
        otherCollider.getComponent(NoteControl).noteHitLine();
        // 发送暂停事件
        EventDispatcher.getTarget().emit(EventDispatcher.GAME_PAUSE);
      }
      // 4. 如果剩余生命值大于等于0，继续游戏（弹出暂停界面）

      // 线碰到了音符
    }
  }

  update(deltaTime: number) {}
}