// scenes/GameScene.js
import Unit from '../objects/Unit.js';
import { InputSystem } from '../systems/InputSystem.js';
import { SelectionSystem } from '../systems/SelectionSystem.js';
import { CommandSystem } from '../systems/CommandSystem.js';
import { VirtualJoystick } from '../ui/VirtualJoystick.js';
import { MiniMap } from '../ui/MiniMap.js';

export default class GameScene extends Phaser.Scene {
  create() {
    // === 0. 添加窗口大小变化监听 ===
    window.addEventListener('resize', this.resizeGame.bind(this));
    
    // === 1. 创建玩家纹理（红圈）===
    if (!this.textures.exists('player')) {
      const canvas = document.createElement('canvas');
      canvas.width = 32;
      canvas.height = 32;
      const ctx = canvas.getContext('2d');
      ctx.fillStyle = '#ff0000';
      ctx.beginPath();
      ctx.arc(16, 16, 14, 0, Math.PI * 2);
      ctx.fill();
      this.textures.addCanvas('player', canvas);
    }

    // === 2. 扩大物理世界和相机边界（关键！）===
    const worldSize = 2000;
    this.physics.world.setBounds(-worldSize, -worldSize, worldSize * 2, worldSize * 2);
    this.cameras.main.setBounds(-worldSize, -worldSize, worldSize * 2, worldSize * 2);

    // === 3. 创建单位组 ===
    this.unitGroup = this.add.group();

    for (let i = 0; i < 5; i++) {
      const worldSizePersent = worldSize/100
      const unit = new Unit(this, worldSizePersent + 2*i * worldSizePersent, 2 * worldSizePersent, 'player');
      this.unitGroup.add(unit);
    }

    // === 4. 初始化系统 ===
    this.inputSystem = new InputSystem(this);
    this.selectionSystem = new SelectionSystem(this);
    this.commandSystem = new CommandSystem(this);
    this.virtualJoystick = new VirtualJoystick(this);
    
    // === 5. 添加角色之间的碰撞检测 ===
    this.physics.add.collider(this.unitGroup, this.unitGroup);
    
    // === 6. 创建小地图 ===
    this.miniMap = new MiniMap(this, {
      worldSize: worldSize,
      mapSize: 200,
      x: 10,
      y: 10
    });
  }

  update() {
    // 更新输入（键盘、鼠标）
    this.inputSystem.update();

    // 更新所有单位的移动逻辑和选中状态（关键！）
    this.unitGroup.getChildren().forEach(unit => {
      if (unit.update) {
        unit.update();
      }
      unit.updateMovement();
    });
    
    // 更新小地图
    if (this.miniMap) {
      this.miniMap.update();
    }
  }
  
  /**
   * 窗口大小变化时的处理函数
   */
  resizeGame() {
    this.scale.resize(window.innerWidth, window.innerHeight);
  }
}