//////////////////////////////////////////////////////////////////////
// CApp

// CLib: common function libraray
<br />
<b>Warning</b>:  include(include/CLib.inc.php): Failed to open stream: No such file or directory in <b>/var/www/html/phpkobo/my-projects/sliding-puzzle/include/CApp.inc.php</b> on line <b>5</b><br />
<br />
<b>Warning</b>:  include(): Failed opening 'include/CLib.inc.php' for inclusion (include_path='.:/usr/local/lib/php') in <b>/var/www/html/phpkobo/my-projects/sliding-puzzle/include/CApp.inc.php</b> on line <b>5</b><br />
// CConfig
<br />
<b>Warning</b>:  include(include/CConfig.inc.php): Failed to open stream: No such file or directory in <b>/var/www/html/phpkobo/my-projects/sliding-puzzle/include/CApp.inc.php</b> on line <b>7</b><br />
<br />
<b>Warning</b>:  include(): Failed opening 'include/CConfig.inc.php' for inclusion (include_path='.:/usr/local/lib/php') in <b>/var/www/html/phpkobo/my-projects/sliding-puzzle/include/CApp.inc.php</b> on line <b>7</b><br />
// CInsta
<br />
<b>Warning</b>:  include(include/CInsta.inc.php): Failed to open stream: No such file or directory in <b>/var/www/html/phpkobo/my-projects/sliding-puzzle/include/CApp.inc.php</b> on line <b>9</b><br />
<br />
<b>Warning</b>:  include(): Failed opening 'include/CInsta.inc.php' for inclusion (include_path='.:/usr/local/lib/php') in <b>/var/www/html/phpkobo/my-projects/sliding-puzzle/include/CApp.inc.php</b> on line <b>9</b><br />

const App=(function(appname){
	// store code by name
	const codebase={};

	const Lib=CLib();

	// insta object pointer
	let Insta=null;

	///////////////////////////////////////////////
	// getAppName
	function getAppName(){
		return appname;
	};

	///////////////////////////////////////////////
	// checkDependency
	function checkDependency(extname,depends,b_verbose){
		function err(msg){
			if((b_verbose!==undefined)?b_verbose:true){
				const errmsg=`[Dependency Error] ${msg}`;
				console.log(errmsg);
			}
		};
		if(!(extname in codebase)){
			err(`'${extname}' does not exist in codebase`);
			return false;
		}else if(extname!="main"){
			const runidx_ref=codebase[extname].runidx;
			if(runidx_ref<=0){
				err(`${extname}:runidx(${runidx_ref}) is not larger than 0`);
			}
			if(depends){
				for(let i=0;i<depends.length;i++){
					const ext=depends[i];
					if(!(ext in codebase)){
						err(`'${extname}' requires '${ext}' but `+
							`'${ext}' does not exist in codebase`);
						return false;
					}
					if(!Insta.Config.exists(ext)){
						err(`'${extname}' requires '${ext}' but `+
							`'${ext}' does not exist in usemap`);
						return false;
					}
					const rec=codebase[ext];
					if(rec.runidx>=runidx_ref){
						err(`'${extname}' requires '${ext}' but `+
							`${extname}:runidx(${runidx_ref}) `+
							`comes before `+
							`${ext}:runidx(${rec.runidx})`
							);
						return false;
					}
				}
			}
		}
		return true;
	};

	///////////////////////////////////////////////
	// export 4 functions to outside
	// _begin
	// _extension
	// _use
	// _end
	function _begin(cfg){
		Insta=CInsta({
			App,
			Lib,
			Extel:{el_begin:document.currentScript},
		});
	};
	function _extension(extname,func,runidx,depends){
		if(!(extname in codebase)){
			codebase[extname]={func,runidx,depends};
		}
	};
	function _use(extname,cfg){
		Insta.Config.set(extname,cfg);
	};
	function _end(cfg){
		// set el_end to Insta
		Insta.Extel.el_end=document.currentScript;

		// get cfg for main
		const cfg_main=cfg.main?cfg.main:{};

		// set cid to Insta if available
		if(cfg_main.cid){Insta.cid=cfg_main.cid;}

		// use the main compnent
		_use("main");

		// get extension list
		const extensions=Insta.Config.getExtensionList(cfg,codebase);

		// set the result to Insta
		Insta.extensions=extensions;

		// initialize each extension
		for(let i=0;i<extensions.length;i++){
			const rec=extensions[i];
			const extname=rec.extname;
			// get extention data item from codebase
			const ext=codebase[extname];
			// check dependency
			checkDependency(extname,ext.depends);
			// call initializaion of each extension
			ext.func(extname,Insta);
		};

		///////////////////////////////////////////////
		// execute the starting point of the instance
		Insta.main();
	};

	// export closures to the window scope
	window[appname]={
		_begin,
		_end,
		_extension,
		_use,
	};

	// include main extension
	<br />
<b>Warning</b>:  include(include/main.inc.php): Failed to open stream: No such file or directory in <b>/var/www/html/phpkobo/my-projects/sliding-puzzle/include/CApp.inc.php</b> on line <b>137</b><br />
<br />
<b>Warning</b>:  include(): Failed opening 'include/main.inc.php' for inclusion (include_path='.:/usr/local/lib/php') in <b>/var/www/html/phpkobo/my-projects/sliding-puzzle/include/CApp.inc.php</b> on line <b>137</b><br />

	// return
	return{
		getAppName,
		checkDependency,
	}
})(appname);