/******************************************************************
 * Copyright(C) 2019 - 2020 Nx Studio
 *
 * 主界面 --- 弹窗队列辅助
 *
 *                                  
 ******************************************************************/

const BridgeComponent = require( "bridge.component" );
const { SCENE_TAG } = require( "define" );

cc.Class( {

    extends: BridgeComponent,

    properties: {

    },

    // 显示
    onEnable: function() {

        // 弹窗队列
        this.cur = null;
        this.queue = [];
        this.pushs = [];

        // 弹窗层
        this.popRoot = nx.bridge.ui.getSceneNode( SCENE_TAG.popup );
        if( !this.popRoot ) {
            nx.error( "$Popups:辅助失败,缺少弹窗层popup_tag!" );
            return;
        }

        // 监听
        this.popRoot.on( "child-removed", this.onRemoveChild.bind( this ) );

        // 全局支持
        nx.bridge.popups = this;
    },

    // 关闭
    onDisable: function() {

        // 监听解除
        this.popRoot.off( "child-removed", this.onRemoveChild.bind( this ) );

        // 全局支持
        nx.bridge.popups = null;
    },

    // 子节点移除
    onRemoveChild: function() {

        if( !this.popRoot ){
            return;
        }

        // 当前清理
        this.cur = null;

        // 引导事件
        if( nx.bridge.plot &&
            this.queue.length == 0 &&
            this.pushs.length == 0 &&
            this.popRoot.childrenCount == 0 ) {
            
            // 发布引导事件
            nx.bridge.plot.postKey( "popups_clean" );

            // 如果当前不在引导中,尝试触发引导(比如:升级)
            let cur = nx.bridge.plot.vget( "id" );
            if( nx.dt.strEmpty( cur ) ) {
                nx.bridge.mainui.tryPlot();
                return;
            }
        }
        
        // 下一个
        this.tryPopup();

    },

    // 添加弹窗
    push: function( _wname, _params, _cfgs ) {
        nx.debug( "$Popups:添加弹窗:", _wname );

        if( _cfgs && _cfgs.push ) {
            this.pushs.push( { wid: _wname, args: _params || {} } );
        } else {
            this.queue.push( { wid: _wname, args: _params || {} } );
        }
        this.tryPopup();
    },

    // 清空弹窗
    clean: function( _deep = false ) {
        
        nx.debug( "$Popups:清空弹窗队列" );
        this.queue = [];
        this.cur = null;

        let chds = this.popRoot.children;
        for( let i in chds ) {
            let cmp = chds[i].getComponent( "bridge.window" );
            if( cmp ) {
                cmp.close();
            }
        }

        // 深度清理
        if( _deep ) {
            this.pushs = [];
        }
        
    },

    // 尝试弹出
    tryPopup: function() {

        // 空队列/节点非空
        if( nx.dt.arrEmpty( this.queue ) ||
            this.popRoot.childrenCount > 0 ) {
            this.tryPush();
            return;
        }

        // 加载中
        if( this.cur ) {
            nx.warn( "Popups:载入中:", this.cur._wname );
            return;
        }

        this.cur = this.queue.shift();
        nx.bridge.ui.openWindow( this.cur.wid, this.cur.args, ( _ret, _params ) => {

            if( !_ret ) {
                nx.error( "$Popups:加载失败:", this.cur._wname );
                this.cur = null;
                this.tryPopup();
                return;
            }

            this.cur = null;
        }, true );

    },

    // 尝试推送
    tryPush: function() {

        // 空队列/节点非空
        if( nx.dt.arrEmpty( this.pushs ) ||
            this.popRoot.childrenCount > 0 ) {
            return;
        }

        // 引导阶段不弹出
        if( nx.bridge.plot ) {
            let cur = nx.bridge.plot.vget( "id" );
            if( nx.dt.strNEmpty( cur ) ) {
                return;
            }
        }

        // 加载中
        if( this.cur ) {
            nx.warn( "Popups:载入中:", this.cur._wname );
            return;
        }

        this.cur = this.pushs.shift();
        nx.bridge.ui.openWindow( this.cur.wid, this.cur.args, ( _ret, _params ) => {

            if( !_ret ) {
                nx.error( "$Popups:加载失败:", this.cur._wname );
                this.cur = null;
                this.tryPush();
                return;
            }

            this.cur = null;
        }, true );

    },

} );