import { getGlobalNode } from "../kernel/battle/BattleConst";
import { BlockSkillSwitcher } from "../kernel/battle/map/blockSkill/BlockSkillSwitcher";
import { MapView } from "../kernel/battle/map/MapView";
import GlobalNode from "../kernel/GlobalNode";
import { BlcokSkillViewBase } from "./BlockSkillViewBase";
import BlockView from "./BlockView";

export class BlockSkillSwitcherView extends BlcokSkillViewBase {

    private _aniNode: cc.Node;
    private _open: boolean = false;

    private _callbackBind;

    constructor(owner: BlockView, mapView: MapView) {
        super(owner, mapView);

        this._aniNode = cc.instantiate(mapView.prefabCollection.getChildByName('switcher'));
        this._aniNode.active = true;

        this._aniNode.setPosition(this._owner.owner.pixelPos);
        mapView.txtUpLayer.addChild(this._aniNode);

        this._callbackBind = this.onLazyUpdate.bind(this);

        getGlobalNode().getComponent(GlobalNode).schedule(this._callbackBind, 0.1);
    }

    onPositionChange(x: number, y: number): void {
        super.onPositionChange(x, y);
        this._aniNode.setPosition(x, y);
    }

    onDead(): void {
        super.onDead();
        getGlobalNode().getComponent(GlobalNode).unschedule(this._callbackBind);
        this._aniNode.destroy();
        this._aniNode = null;
    }

    onDestroy(): void {
        super.onDestroy();
        getGlobalNode().getComponent(GlobalNode).unschedule(this._callbackBind);
    }

    private onLazyUpdate() {
        let skill: BlockSkillSwitcher = this._owner.owner.skill as BlockSkillSwitcher;
        if (skill.isOpen != this._open) {
            this._open = skill.isOpen;

            let ani = this._aniNode.getComponent(cc.Animation);
            let state = ani.getAnimationState('ani_switcher');
            state.stop();
            // state.time = (this._open ? 0 : state.clip.duration);
            state.wrapMode = (this._open ? cc.WrapMode.Normal : cc.WrapMode.Reverse);
            state.play();
            // ani.play('ani_switcher');
        }
    }

}