<?php
//记录信息日志
function logInfo(){
	$content = '[INF] ';
	$args = func_get_args();
	$argc = func_num_args();
	for($i=0;$i<$argc;$i++){
		$content .= $args[$i] . ' ';
	}
	$content .= PHP_EOL;
	print($content);
	file_put_contents(LOG_PATH, $content, FILE_APPEND);
}
//记录错误日志
function logError(){
	$content = '[ERR] ';
	$args = func_get_args();
	$argc = func_num_args();
	for($i=0;$i<$argc;$i++){
		$content .= $args[$i] . ' ';
	}
	$content .= PHP_EOL;
	print($content);
	file_put_contents(LOG_PATH, $content, FILE_APPEND);
}

//获取操作系统名称
function getOsName(){
	if(substr(PHP_OS,0,3)==='WIN')
		return "win";
	else
		return "linux";
}

//判断是否键值对类型的数组
function isAssocArray($array){
	if(! is_array($array) )
		return false;
	return array_keys($array) !== range(0, count($array) - 1);
}

//获取文件扩展名,小写
function getFileExt($fileName){
	return strtolower(pathinfo($fileName,PATHINFO_EXTENSION));
}

//是否压缩文件
function isZipFile($fileName){
	$fileExt = getFileExt($fileName);
	return in_array($fileExt,array("zip","7z"));
}
//获取 gopeed.exe 路径
function getGoPeedPath($toolDir){
	return pathJoin($toolDir,"gopeed.exe");
}

//获取 7z.exe 路径
function get7ZipPath($toolDir){
	return pathJoin($toolDir,"7z.exe");
}
//两个参数的路径拼接
function twoPathJoin($base, $path) {
	return rtrim( $base, '/' ) . '/' . ltrim( $path, '/' );
}

//支持中文的递归创建目录
//iconv方法是为了防止中文乱码，保证可以创建识别中文目录
//不用iconv方法格式的话，将无法创建中文目录,第三参数的开启递归模式，默认是关闭的
function createDirectory($path,$encoding="GBK"){
	mkdir(iconv("UTF-8", $encoding ,$path),0777,true);
}
//不定参数路径拼接
function pathJoin($base, $path) {
	$newPath = twoPathJoin($base, $path);
	$args = func_get_args();
	$argc = func_num_args();
	for($i=2;$i<$argc;$i++){
		$newPath = twoPathJoin($newPath,$args[$i]);
	}
    return $newPath;
}

//拷贝文件到，自动创建目录，自动覆盖
function fileCopy(string $filePath, string $targetPath){
	$targetDir = dirname($targetPath);
	if(!is_dir($targetDir)){
		createDirectory($targetDir);
	}
		
	if( file_exists($targetPath) ){
		unlink($targetPath);
	}
	copy($filePath,$targetPath);
	return true;
}

//枚举子目录
function scanSubDir($dir,$exclude_names = array()){
	$filelist = scandir($dir);
	$subdirs = array();
	foreach($filelist as $filename){
		//过滤掉当前目录和上级目录
		if($filename == "." || $filename ==".."){
			continue;
		}
		//过滤掉排查的名称
		if(in_array($filename,$exclude_names)){
			continue;
		}
		//判断是否是文件夹
		$filepath = pathJoin($dir,$filename);
		if(is_dir($filepath) ){
			array_push($subdirs,$filename);
		}
	}
	return $subdirs;
}

//枚举所有仓库名
function scanRepoNames($vendoDir){
	$repos = array();
	$users = scanSubDir($vendorDir);
	foreach($users as $user){
		$userdir = pathJoin($vendorDir,$user);
		$names = scanSubDir($userdir);
		foreach($names as $name){
			array_push($repos,$user . '/' . $name);
		}
	}
	array_push($repos,"."); //.名称表示顶层包，放最后
	return $repos;
}

//解析所有仓库配置
function loadRepoConfigs($vendorDir,$repoNames){
	$configs = array();
	foreach($repoNames as $repoName){
		if($repoName == '.')
			$cfgPath = pathJoin(dirname($vendorDir),'composer.json');
		else
			$cfgPath = pathJoin($vendorDir,$repoName,'composer.json');
		$data = json_decode(file_get_contents($cfgPath), true);
		if(!$data){
			logError('invalid composer.json',$cfgPath);
			return false;
		}
		$configs[$repoName] = $data;
	}
	return $configs;
}

//解析部署配置文件
function loadConfig($cfgPath){
	$config = json_decode(file_get_contents($cfgPath), true);
	if(!$config){
		logError("failed to decode config file",$cfgPath);
		return false;
	}
	logInfo("succeeded to decode config file",$cfgPath);
	
	if(! $config['distribute-mode']){
		logError("distribute-mode node not exists");
		return false;
	}
	if(! $config['cache-dir'] ){
		logError("cache-dir node not exists");
		return false;
	}
	return $config;
}

//多线程下载文件
function downloadToDir($toolDir,$ossHost,$repoName,$repoVersion,$fileName,$targetDir){
	if (!file_exists($targetDir)){
		mkdir($targetDir,0777,true);
	}

	$targetPath = pathJoin($targetDir,$fileName);
	if( file_exists($targetPath) ) {
		return $targetPath;
	}
	$gopeed = getGoPeedPath($toolDir);
	
	$remoteUrl = pathJoin($ossHost,$repoName,$repoVersion,$fileName);
	$cmd = $gopeed." -D=" . $targetDir . " " . $remoteUrl;
	system($cmd, $ret);
	if ($ret != 0) {
		return false;
	}
	return $targetPath;
}

//解压缩文件
function unzipFile($toolDir,$zipFile, $targetDir){
	$fileExt = getFileExt($zipFile);
	if($fileExt == "zip"){
		$zip= new \ZipArchive;
		if($zip->open($zipFile)==true){
			$zip->extractTo($targetDir);
			$zip->close();
			return true;
		}
		else{
			return false;
		}
	}
	if($fileExt == "7z"){
		$sevenZip = get7ZipPath($toolDir);
		$logPath = $zipFile . '.log';
		$cmd = $sevenZip . " x $zipFile -o$targetDir -aoa > " . $logPath;
		system($cmd, $ret);
		if ($ret != 0) {
			return false;
		}
		return true;
	}
	return false;
}