import EventManager from "../../Engine/Event/EventManager";
import Tool from "../../Engine/Tool/Tool";
import { _EUnitType, _ICreateUnit } from "../Game/Data/Unit/UnitConfig";
import GameEventName from "../Event/GameEventName";
import BasicObject from "../../Engine/Basic/BasicObject";

/**
 * 实体单元
 * @param 设计目的 规范实体单元的拓展，便于修改、维护
 * @param 可能问题 任意拓展后，出现难以预计的情况
 */
export default abstract class Unit extends BasicObject {
    
    protected _createUnit: _ICreateUnit;

    constructor (createUnit: _ICreateUnit) {
        super();

        this._createUnit = createUnit;
        this._isUpdate = createUnit.isUpdate;

        // 替换唯一ID
        if (this._createUnit.unitID != null) {
            this._id = this._createUnit.unitID;
        }

        this.createNode();
        this.createComponents();
        
        Tool.log(this);
        EventManager.sendEvent(GameEventName.Unit.Unit_CreateUnitComplete, this);
        EventManager.onEvent(GameEventName.Unit.Unit_ReuseUnit, this, this.onReuseUnit, 1);
    }

    /**获得创建数据 */
    public get createUnit (): Readonly<_ICreateUnit> {
        return this._createUnit;
    }

    /**获得节点 */
    public abstract get fgui (): fgui.GComponent;

    /**获得类型 */
    public abstract get type (): _EUnitType;

    /**创建节点 */
    protected abstract createNode (): void;

    /**创建组件 */
    protected abstract createComponents (): void;

    protected onReuseUnit (createUnit: _ICreateUnit): void {
        this._createUnit = createUnit;
        this._isUpdate = createUnit.isUpdate;
    }
}