/*******************************************************************************
 * 
 * Nx框架
 * 
 *      产生全局服务入口window.nx
 * 
 *          2021.12.10
 ******************************************************************************/

const ERR = require( "error" );
const NxDefine = require( "nx.define" );
const NxMod = require( "nx.mod" );

var NxEntry = cc.Class( {

	extends: NxMod,

	name: "NxEntry",

	// 初始化
	initialize: function( _args ) {

		// 初始化
		if( !this._super( _args ) ) {
			cc.error( "初始化NX框架失败!" );
			return false;
		}

		nx.frame = this;

		// 系统初始化
		this._initSystemVars();
		this.initGameSpeed();

		// 模块载入
		nx.factory.createService( "nx.gui" );
		nx.factory.createService( "nx.res" );
		nx.factory.createService( "nx.tween" );
		nx.factory.createService( "nx.storage" );
		nx.factory.createService( "nx.assets" );
		nx.factory.createService( "nx.event" );
		nx.factory.createService( "nx.misc" );
		nx.factory.createService( "nx.text" );
		nx.factory.createService( "nx.view.mgr" );
		nx.factory.createService( "nx.plugin.manager" );

		// 视图创建
		nx.plugin.add( this, [ "view" ] );
		this.vbuild( NxDefine.ViewFrame );

		// nx.factory.createService( "nx.cmd.manager" );
		nx.factory.createService( "nx.funs" );
		nx.factory.createService( "nx.audio" );
		nx.factory.createService( "nx.timers" );
		nx.factory.createService( "nx.web.gate" );
		nx.factory.createService( "nx.jsr" );
		// nx.factory.createService( "nxJsb" );

		// SDK实例化
		this.initSDK();

		// 视图参数初始化
		this._initViewData();

		// 通用命令注册
		this.instCmds();

		return true;
	},

	// 销毁
	uninitialize: function() {

		// 通用命令注销
		this.uninstCmds();

		// 窗体尺寸变化监听解除
		cc.view.setResizeCallback( null );

		nx.frame = null;

		// USPER
		return this._super();
	},

	// 系统初始化
	_initSystemVars: function() {

		// 设备初始化
		// cc.game.setFrameRate( CFG.FPS );
		// cc.game.showFPS = false;
	},

	// 视图参数初始化
	_initViewData: function() {

		// 窗体尺寸变化监听
		cc.view.setResizeCallback( this._freshFrameSize.bind( this ) );
		this._freshFrameSize();

	},

	// 刷新窗体尺寸
	_freshFrameSize: function() {

		let fs = cc.view.getFrameSize();
		let ds = cc.view.getDesignResolutionSize();

		this.vset( "IsLandscape", ds.width >= ds.height );

		let hfr = fs.height / fs.width;
		let hdr = ds.height / ds.width;
		this.vset( "HeightRate", hdr / hfr );

		// 最大宽高比
		// 主要用于背景图等比填充
		this.vset( "DesignWHRate", ds.width / ds.height );
		this.vset( "RuntimeWHRate", fs.width / fs.height );
		this.vset( "MaxWHRate", 1560 / 720 );

	},

	/***
	 * *********************************************************************
	 * 命令相关
	 * *********************************************************************
	 */

	// 通用命令安装
	instCmds: function() {

		if( !nx.cmd ) {
			return;
		}

		// // 创建窗口
		// nx.cmd.regCmd( "open_window", ( _cb, _name, _p1, _p2 ) => {

		//     nx.createWindow( _name, ( _e, _p ) => {
		// 		nx.dt.fnInvoke( _cb, _e, _p );
		//     }, { p1: _p1, p2: _p2 } );

		// },  "创建指定窗口 [窗体名][参数1][参数2]" );

		// // 关闭窗口
		// nx.cmd.regCmd( "close_window", ( _cb, _name ) => {

		//     nx.closeWindow( _name );
		// 	nx.dt.fnInvoke( _cb );

		// },  "关闭指定窗口 [窗体名]" );

		// 发送消息
		nx.cmd.regCmd( "send_event", ( _cb, _event, _p1, _p2 ) => {

			let ret = nx.event.send( _event, { p1: _p1, p2: _p2 } );
			nx.dt.fnInvoke( _cb, ret ? null : nx.genError( ERR.COM.InvalidEvent ) );

		}, "发送消息 [事件名][参数1][参数2]" );

	},

	// 通用命令卸载
	uninstCmds: function() {

		if( nx.cmd ) {
			// nx.cmd.unregCmd( "open_window" );   
			// nx.cmd.unregCmd( "close_window" );    
			nx.cmd.unregCmd( "send_event" );
		}
	},

	/***
	 * *********************************************************************
	 * SDK相关
	 * *********************************************************************
	 */

	// SDK实例化
	initSDK: function() {

		// 根据当前平台创建SDK接口
		let sdk = "nx.sdk.web";
		if( cc.sys.isNative ) {
			switch( cc.sys.os ) {
				case cc.sys.OS_IOS: sdk = "nx.sdk.ios"; break;
				// case cc.sys.OS_OSX: sdk = "nx.sdk.ios"; break;
				case cc.sys.OS_ANDROID: sdk = "nx.sdk.android"; break;
				default: break;
			}
		}
		nx.info( "[SDK系统]" + cc.sys.os + ",[当前SDK]" + sdk );
		nx.sdk = nx.factory.createService( sdk );

	},

	/***
	 * *********************************************************************
	 * 游戏加速
	 * *********************************************************************
	 */

	// 游戏加速初始化
	initGameSpeed: function() {

		if( !this.gspeed ) {
			this.setGameSpeed( 1 );
		}

		// Director方法覆盖
		cc.Director.prototype.calculateDeltaTime = function( now ) {

			if( !now ) now = performance.now();

			// avoid delta time from being negative
			// negative deltaTime would be caused by the precision of now's value, for details please see: https://developer.mozilla.org/zh-CN/docs/Web/API/window/requestAnimationFrame
			this._deltaTime = now > this._lastUpdate ? ( now - this._lastUpdate ) / 1000 : 0;
			if( CC_DEBUG && ( this._deltaTime > 1 ) ) {
				this._deltaTime = 1 / 60.0;
			}
			if( window.nx && nx.frame ){
				this._deltaTime *= nx.frame.gspeed;
			}
			
			this._lastUpdate = now;
		}

	},

	// 设置速度
	setGameSpeed: function( _speed ) {
		this.gspeed = Math.max( 1, _speed );
	},

	// 获取速度
	getGameSpeed: function() {
		return this.gspeed;
	},

} );

module.exports = NxEntry;